1509 lines
69 KiB
HTML
1509 lines
69 KiB
HTML
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]-->
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta name="generator" content="Asciidoctor 1.5.8">
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<title>git-fetch(1)</title>
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<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Open+Sans:300,300italic,400,400italic,600,600italic%7CNoto+Serif:400,400italic,700,700italic%7CDroid+Sans+Mono:400,700">
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<style>
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/* Asciidoctor default stylesheet | MIT License | http://asciidoctor.org */
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/* Uncomment @import statement below to use as custom stylesheet */
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/*@import "https://fonts.googleapis.com/css?family=Open+Sans:300,300italic,400,400italic,600,600italic%7CNoto+Serif:400,400italic,700,700italic%7CDroid+Sans+Mono:400,700";*/
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article,aside,details,figcaption,figure,footer,header,hgroup,main,nav,section,summary{display:block}
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audio,canvas,video{display:inline-block}
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audio:not([controls]){display:none;height:0}
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script{display:none!important}
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html{font-family:sans-serif;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%}
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a{background:transparent}
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a:focus{outline:thin dotted}
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a:active,a:hover{outline:0}
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h1{font-size:2em;margin:.67em 0}
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abbr[title]{border-bottom:1px dotted}
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b,strong{font-weight:bold}
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dfn{font-style:italic}
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hr{-moz-box-sizing:content-box;box-sizing:content-box;height:0}
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mark{background:#ff0;color:#000}
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code,kbd,pre,samp{font-family:monospace;font-size:1em}
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pre{white-space:pre-wrap}
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q{quotes:"\201C" "\201D" "\2018" "\2019"}
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small{font-size:80%}
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sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}
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sup{top:-.5em}
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sub{bottom:-.25em}
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img{border:0}
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svg:not(:root){overflow:hidden}
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figure{margin:0}
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fieldset{border:1px solid silver;margin:0 2px;padding:.35em .625em .75em}
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legend{border:0;padding:0}
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button,input,select,textarea{font-family:inherit;font-size:100%;margin:0}
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button,input{line-height:normal}
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button,select{text-transform:none}
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button,html input[type="button"],input[type="reset"],input[type="submit"]{-webkit-appearance:button;cursor:pointer}
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button[disabled],html input[disabled]{cursor:default}
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input[type="checkbox"],input[type="radio"]{box-sizing:border-box;padding:0}
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button::-moz-focus-inner,input::-moz-focus-inner{border:0;padding:0}
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textarea{overflow:auto;vertical-align:top}
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table{border-collapse:collapse;border-spacing:0}
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*,*::before,*::after{-moz-box-sizing:border-box;-webkit-box-sizing:border-box;box-sizing:border-box}
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html,body{font-size:100%}
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body{background:#fff;color:rgba(0,0,0,.8);padding:0;margin:0;font-family:"Noto Serif","DejaVu Serif",serif;font-weight:400;font-style:normal;line-height:1;position:relative;cursor:auto;tab-size:4;-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased}
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a:hover{cursor:pointer}
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img,object,embed{max-width:100%;height:auto}
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object,embed{height:100%}
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img{-ms-interpolation-mode:bicubic}
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.left{float:left!important}
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.right{float:right!important}
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.text-left{text-align:left!important}
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.text-right{text-align:right!important}
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.text-center{text-align:center!important}
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.text-justify{text-align:justify!important}
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.hide{display:none}
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img,object,svg{display:inline-block;vertical-align:middle}
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textarea{height:auto;min-height:50px}
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select{width:100%}
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.center{margin-left:auto;margin-right:auto}
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.stretch{width:100%}
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.subheader,.admonitionblock td.content>.title,.audioblock>.title,.exampleblock>.title,.imageblock>.title,.listingblock>.title,.literalblock>.title,.stemblock>.title,.openblock>.title,.paragraph>.title,.quoteblock>.title,table.tableblock>.title,.verseblock>.title,.videoblock>.title,.dlist>.title,.olist>.title,.ulist>.title,.qlist>.title,.hdlist>.title{line-height:1.45;color:#7a2518;font-weight:400;margin-top:0;margin-bottom:.25em}
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div,dl,dt,dd,ul,ol,li,h1,h2,h3,#toctitle,.sidebarblock>.content>.title,h4,h5,h6,pre,form,p,blockquote,th,td{margin:0;padding:0;direction:ltr}
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a{color:#2156a5;text-decoration:underline;line-height:inherit}
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a:hover,a:focus{color:#1d4b8f}
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a img{border:none}
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p{font-family:inherit;font-weight:400;font-size:1em;line-height:1.6;margin-bottom:1.25em;text-rendering:optimizeLegibility}
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p aside{font-size:.875em;line-height:1.35;font-style:italic}
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h1,h2,h3,#toctitle,.sidebarblock>.content>.title,h4,h5,h6{font-family:"Open Sans","DejaVu Sans",sans-serif;font-weight:300;font-style:normal;color:#ba3925;text-rendering:optimizeLegibility;margin-top:1em;margin-bottom:.5em;line-height:1.0125em}
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h1 small,h2 small,h3 small,#toctitle small,.sidebarblock>.content>.title small,h4 small,h5 small,h6 small{font-size:60%;color:#e99b8f;line-height:0}
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h1{font-size:2.125em}
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h2{font-size:1.6875em}
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h3,#toctitle,.sidebarblock>.content>.title{font-size:1.375em}
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h4,h5{font-size:1.125em}
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h6{font-size:1em}
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hr{border:solid #dddddf;border-width:1px 0 0;clear:both;margin:1.25em 0 1.1875em;height:0}
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em,i{font-style:italic;line-height:inherit}
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strong,b{font-weight:bold;line-height:inherit}
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small{font-size:60%;line-height:inherit}
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code{font-family:"Droid Sans Mono","DejaVu Sans Mono",monospace;font-weight:400;color:rgba(0,0,0,.9)}
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ul,ol,dl{font-size:1em;line-height:1.6;margin-bottom:1.25em;list-style-position:outside;font-family:inherit}
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ul,ol{margin-left:1.5em}
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ul li ul,ul li ol{margin-left:1.25em;margin-bottom:0;font-size:1em}
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ul.square li ul,ul.circle li ul,ul.disc li ul{list-style:inherit}
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ul.square{list-style-type:square}
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ul.circle{list-style-type:circle}
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ul.disc{list-style-type:disc}
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ol li ul,ol li ol{margin-left:1.25em;margin-bottom:0}
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dl dt{margin-bottom:.3125em;font-weight:bold}
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dl dd{margin-bottom:1.25em}
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abbr,acronym{text-transform:uppercase;font-size:90%;color:rgba(0,0,0,.8);border-bottom:1px dotted #ddd;cursor:help}
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abbr{text-transform:none}
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blockquote{margin:0 0 1.25em;padding:.5625em 1.25em 0 1.1875em;border-left:1px solid #ddd}
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blockquote cite{display:block;font-size:.9375em;color:rgba(0,0,0,.6)}
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blockquote cite::before{content:"\2014 \0020"}
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blockquote cite a,blockquote cite a:visited{color:rgba(0,0,0,.6)}
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blockquote,blockquote p{line-height:1.6;color:rgba(0,0,0,.85)}
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@media screen and (min-width:768px){h1,h2,h3,#toctitle,.sidebarblock>.content>.title,h4,h5,h6{line-height:1.2}
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h1{font-size:2.75em}
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h2{font-size:2.3125em}
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h3,#toctitle,.sidebarblock>.content>.title{font-size:1.6875em}
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h4{font-size:1.4375em}}
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table{background:#fff;margin-bottom:1.25em;border:solid 1px #dedede}
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table thead,table tfoot{background:#f7f8f7}
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table thead tr th,table thead tr td,table tfoot tr th,table tfoot tr td{padding:.5em .625em .625em;font-size:inherit;color:rgba(0,0,0,.8);text-align:left}
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table tr th,table tr td{padding:.5625em .625em;font-size:inherit;color:rgba(0,0,0,.8)}
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table tr.even,table tr.alt,table tr:nth-of-type(even){background:#f8f8f7}
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table thead tr th,table tfoot tr th,table tbody tr td,table tr td,table tfoot tr td{display:table-cell;line-height:1.6}
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h1,h2,h3,#toctitle,.sidebarblock>.content>.title,h4,h5,h6{line-height:1.2;word-spacing:-.05em}
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h1 strong,h2 strong,h3 strong,#toctitle strong,.sidebarblock>.content>.title strong,h4 strong,h5 strong,h6 strong{font-weight:400}
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.clearfix::before,.clearfix::after,.float-group::before,.float-group::after{content:" ";display:table}
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.clearfix::after,.float-group::after{clear:both}
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*:not(pre)>code{font-size:.9375em;font-style:normal!important;letter-spacing:0;padding:.1em .5ex;word-spacing:-.15em;background-color:#f7f7f8;-webkit-border-radius:4px;border-radius:4px;line-height:1.45;text-rendering:optimizeSpeed;word-wrap:break-word}
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*:not(pre)>code.nobreak{word-wrap:normal}
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*:not(pre)>code.nowrap{white-space:nowrap}
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pre,pre>code{line-height:1.45;color:rgba(0,0,0,.9);font-family:"Droid Sans Mono","DejaVu Sans Mono",monospace;font-weight:400;text-rendering:optimizeSpeed}
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em em{font-style:normal}
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strong strong{font-weight:400}
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.keyseq{color:rgba(51,51,51,.8)}
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kbd{font-family:"Droid Sans Mono","DejaVu Sans Mono",monospace;display:inline-block;color:rgba(0,0,0,.8);font-size:.65em;line-height:1.45;background-color:#f7f7f7;border:1px solid #ccc;-webkit-border-radius:3px;border-radius:3px;-webkit-box-shadow:0 1px 0 rgba(0,0,0,.2),0 0 0 .1em white inset;box-shadow:0 1px 0 rgba(0,0,0,.2),0 0 0 .1em #fff inset;margin:0 .15em;padding:.2em .5em;vertical-align:middle;position:relative;top:-.1em;white-space:nowrap}
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.keyseq kbd:first-child{margin-left:0}
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.keyseq kbd:last-child{margin-right:0}
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.menuseq,.menuref{color:#000}
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.menuseq b:not(.caret),.menuref{font-weight:inherit}
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.menuseq{word-spacing:-.02em}
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.menuseq b.caret{font-size:1.25em;line-height:.8}
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.menuseq i.caret{font-weight:bold;text-align:center;width:.45em}
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b.button::before,b.button::after{position:relative;top:-1px;font-weight:400}
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b.button::before{content:"[";padding:0 3px 0 2px}
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b.button::after{content:"]";padding:0 2px 0 3px}
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p a>code:hover{color:rgba(0,0,0,.9)}
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#header,#content,#footnotes,#footer{width:100%;margin-left:auto;margin-right:auto;margin-top:0;margin-bottom:0;max-width:62.5em;*zoom:1;position:relative;padding-left:.9375em;padding-right:.9375em}
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#header::before,#header::after,#content::before,#content::after,#footnotes::before,#footnotes::after,#footer::before,#footer::after{content:" ";display:table}
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#header::after,#content::after,#footnotes::after,#footer::after{clear:both}
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#content{margin-top:1.25em}
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#content::before{content:none}
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#header>h1:first-child{color:rgba(0,0,0,.85);margin-top:2.25rem;margin-bottom:0}
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#header>h1:first-child+#toc{margin-top:8px;border-top:1px solid #dddddf}
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#header>h1:only-child,body.toc2 #header>h1:nth-last-child(2){border-bottom:1px solid #dddddf;padding-bottom:8px}
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#header .details{border-bottom:1px solid #dddddf;line-height:1.45;padding-top:.25em;padding-bottom:.25em;padding-left:.25em;color:rgba(0,0,0,.6);display:-ms-flexbox;display:-webkit-flex;display:flex;-ms-flex-flow:row wrap;-webkit-flex-flow:row wrap;flex-flow:row wrap}
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#header .details span:first-child{margin-left:-.125em}
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#header .details span.email a{color:rgba(0,0,0,.85)}
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#header .details br{display:none}
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#header .details br+span::before{content:"\00a0\2013\00a0"}
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#header .details br+span.author::before{content:"\00a0\22c5\00a0";color:rgba(0,0,0,.85)}
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#header .details br+span#revremark::before{content:"\00a0|\00a0"}
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#header #revnumber{text-transform:capitalize}
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#header #revnumber::after{content:"\00a0"}
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#content>h1:first-child:not([class]){color:rgba(0,0,0,.85);border-bottom:1px solid #dddddf;padding-bottom:8px;margin-top:0;padding-top:1rem;margin-bottom:1.25rem}
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#toc{border-bottom:1px solid #e7e7e9;padding-bottom:.5em}
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#toc>ul{margin-left:.125em}
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#toc ul.sectlevel0>li>a{font-style:italic}
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#toc ul.sectlevel0 ul.sectlevel1{margin:.5em 0}
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#toc ul{font-family:"Open Sans","DejaVu Sans",sans-serif;list-style-type:none}
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#toc li{line-height:1.3334;margin-top:.3334em}
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#toc a{text-decoration:none}
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#toc a:active{text-decoration:underline}
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#toctitle{color:#7a2518;font-size:1.2em}
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@media screen and (min-width:768px){#toctitle{font-size:1.375em}
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body.toc2{padding-left:15em;padding-right:0}
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#toc.toc2{margin-top:0!important;background-color:#f8f8f7;position:fixed;width:15em;left:0;top:0;border-right:1px solid #e7e7e9;border-top-width:0!important;border-bottom-width:0!important;z-index:1000;padding:1.25em 1em;height:100%;overflow:auto}
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#toc.toc2 #toctitle{margin-top:0;margin-bottom:.8rem;font-size:1.2em}
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#toc.toc2>ul{font-size:.9em;margin-bottom:0}
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#toc.toc2 ul ul{margin-left:0;padding-left:1em}
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#toc.toc2 ul.sectlevel0 ul.sectlevel1{padding-left:0;margin-top:.5em;margin-bottom:.5em}
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body.toc2.toc-right{padding-left:0;padding-right:15em}
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body.toc2.toc-right #toc.toc2{border-right-width:0;border-left:1px solid #e7e7e9;left:auto;right:0}}
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@media screen and (min-width:1280px){body.toc2{padding-left:20em;padding-right:0}
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#toc.toc2{width:20em}
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#toc.toc2 #toctitle{font-size:1.375em}
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#toc.toc2>ul{font-size:.95em}
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#toc.toc2 ul ul{padding-left:1.25em}
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body.toc2.toc-right{padding-left:0;padding-right:20em}}
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#content #toc{border-style:solid;border-width:1px;border-color:#e0e0dc;margin-bottom:1.25em;padding:1.25em;background:#f8f8f7;-webkit-border-radius:4px;border-radius:4px}
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#content #toc>:first-child{margin-top:0}
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#content #toc>:last-child{margin-bottom:0}
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#footer{max-width:100%;background-color:rgba(0,0,0,.8);padding:1.25em}
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#footer-text{color:rgba(255,255,255,.8);line-height:1.44}
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#content{margin-bottom:.625em}
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.sect1{padding-bottom:.625em}
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@media screen and (min-width:768px){#content{margin-bottom:1.25em}
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.sect1{padding-bottom:1.25em}}
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.sect1:last-child{padding-bottom:0}
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.sect1+.sect1{border-top:1px solid #e7e7e9}
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#content h1>a.anchor,h2>a.anchor,h3>a.anchor,#toctitle>a.anchor,.sidebarblock>.content>.title>a.anchor,h4>a.anchor,h5>a.anchor,h6>a.anchor{position:absolute;z-index:1001;width:1.5ex;margin-left:-1.5ex;display:block;text-decoration:none!important;visibility:hidden;text-align:center;font-weight:400}
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#content h1>a.anchor::before,h2>a.anchor::before,h3>a.anchor::before,#toctitle>a.anchor::before,.sidebarblock>.content>.title>a.anchor::before,h4>a.anchor::before,h5>a.anchor::before,h6>a.anchor::before{content:"\00A7";font-size:.85em;display:block;padding-top:.1em}
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#content h1:hover>a.anchor,#content h1>a.anchor:hover,h2:hover>a.anchor,h2>a.anchor:hover,h3:hover>a.anchor,#toctitle:hover>a.anchor,.sidebarblock>.content>.title:hover>a.anchor,h3>a.anchor:hover,#toctitle>a.anchor:hover,.sidebarblock>.content>.title>a.anchor:hover,h4:hover>a.anchor,h4>a.anchor:hover,h5:hover>a.anchor,h5>a.anchor:hover,h6:hover>a.anchor,h6>a.anchor:hover{visibility:visible}
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#content h1>a.link,h2>a.link,h3>a.link,#toctitle>a.link,.sidebarblock>.content>.title>a.link,h4>a.link,h5>a.link,h6>a.link{color:#ba3925;text-decoration:none}
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#content h1>a.link:hover,h2>a.link:hover,h3>a.link:hover,#toctitle>a.link:hover,.sidebarblock>.content>.title>a.link:hover,h4>a.link:hover,h5>a.link:hover,h6>a.link:hover{color:#a53221}
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||
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.audioblock,.imageblock,.literalblock,.listingblock,.stemblock,.videoblock{margin-bottom:1.25em}
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.admonitionblock td.content>.title,.audioblock>.title,.exampleblock>.title,.imageblock>.title,.listingblock>.title,.literalblock>.title,.stemblock>.title,.openblock>.title,.paragraph>.title,.quoteblock>.title,table.tableblock>.title,.verseblock>.title,.videoblock>.title,.dlist>.title,.olist>.title,.ulist>.title,.qlist>.title,.hdlist>.title{text-rendering:optimizeLegibility;text-align:left;font-family:"Noto Serif","DejaVu Serif",serif;font-size:1rem;font-style:italic}
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table.tableblock.fit-content>caption.title{white-space:nowrap;width:0}
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.paragraph.lead>p,#preamble>.sectionbody>[class="paragraph"]:first-of-type p{font-size:1.21875em;line-height:1.6;color:rgba(0,0,0,.85)}
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table.tableblock #preamble>.sectionbody>[class="paragraph"]:first-of-type p{font-size:inherit}
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.admonitionblock>table{border-collapse:separate;border:0;background:none;width:100%}
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.admonitionblock>table td.icon{text-align:center;width:80px}
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.admonitionblock>table td.icon img{max-width:none}
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.admonitionblock>table td.icon .title{font-weight:bold;font-family:"Open Sans","DejaVu Sans",sans-serif;text-transform:uppercase}
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.admonitionblock>table td.content{padding-left:1.125em;padding-right:1.25em;border-left:1px solid #dddddf;color:rgba(0,0,0,.6)}
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.admonitionblock>table td.content>:last-child>:last-child{margin-bottom:0}
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|
.exampleblock>.content{border-style:solid;border-width:1px;border-color:#e6e6e6;margin-bottom:1.25em;padding:1.25em;background:#fff;-webkit-border-radius:4px;border-radius:4px}
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a.image{text-decoration:none;display:inline-block}
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div.unbreakable{page-break-inside:avoid}
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.big{font-size:larger}
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.small{font-size:smaller}
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.underline{text-decoration:underline}
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.overline{text-decoration:overline}
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.aqua-background{background-color:#00fafa}
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.gray{color:#606060}
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|
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|
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|
.maroon{color:#600000}
|
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|
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|
.navy{color:#000060}
|
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|
.navy-background{background-color:#00007d}
|
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|
.olive{color:#606000}
|
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|
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|
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|
.purple{color:#600060}
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.red{color:#bf0000}
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.teal{color:#006060}
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|
.teal-background{background-color:#007d7d}
|
||
|
.white{color:#bfbfbf}
|
||
|
.white-background{background-color:#fafafa}
|
||
|
.yellow{color:#bfbf00}
|
||
|
.yellow-background{background-color:#fafa00}
|
||
|
span.icon>.fa{cursor:default}
|
||
|
a span.icon>.fa{cursor:inherit}
|
||
|
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|
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|
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|
||
|
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|
||
|
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|
||
|
.admonitionblock td.icon .icon-caution::before{content:"\f06d";color:#bf3400}
|
||
|
.admonitionblock td.icon .icon-important::before{content:"\f06a";color:#bf0000}
|
||
|
.conum[data-value]{display:inline-block;color:#fff!important;background-color:rgba(0,0,0,.8);-webkit-border-radius:100px;border-radius:100px;text-align:center;font-size:.75em;width:1.67em;height:1.67em;line-height:1.67em;font-family:"Open Sans","DejaVu Sans",sans-serif;font-style:normal;font-weight:bold}
|
||
|
.conum[data-value] *{color:#fff!important}
|
||
|
.conum[data-value]+b{display:none}
|
||
|
.conum[data-value]::after{content:attr(data-value)}
|
||
|
pre .conum[data-value]{position:relative;top:-.125em}
|
||
|
b.conum *{color:inherit!important}
|
||
|
.conum:not([data-value]):empty{display:none}
|
||
|
dt,th.tableblock,td.content,div.footnote{text-rendering:optimizeLegibility}
|
||
|
h1,h2,p,td.content,span.alt{letter-spacing:-.01em}
|
||
|
p strong,td.content strong,div.footnote strong{letter-spacing:-.005em}
|
||
|
p,blockquote,dt,td.content,span.alt{font-size:1.0625rem}
|
||
|
p{margin-bottom:1.25rem}
|
||
|
.sidebarblock p,.sidebarblock dt,.sidebarblock td.content,p.tableblock{font-size:1em}
|
||
|
.exampleblock>.content{background-color:#fffef7;border-color:#e0e0dc;-webkit-box-shadow:0 1px 4px #e0e0dc;box-shadow:0 1px 4px #e0e0dc}
|
||
|
.print-only{display:none!important}
|
||
|
@page{margin:1.25cm .75cm}
|
||
|
@media print{*{-webkit-box-shadow:none!important;box-shadow:none!important;text-shadow:none!important}
|
||
|
html{font-size:80%}
|
||
|
a{color:inherit!important;text-decoration:underline!important}
|
||
|
a.bare,a[href^="#"],a[href^="mailto:"]{text-decoration:none!important}
|
||
|
a[href^="http:"]:not(.bare)::after,a[href^="https:"]:not(.bare)::after{content:"(" attr(href) ")";display:inline-block;font-size:.875em;padding-left:.25em}
|
||
|
abbr[title]::after{content:" (" attr(title) ")"}
|
||
|
pre,blockquote,tr,img,object,svg{page-break-inside:avoid}
|
||
|
thead{display:table-header-group}
|
||
|
svg{max-width:100%}
|
||
|
p,blockquote,dt,td.content{font-size:1em;orphans:3;widows:3}
|
||
|
h2,h3,#toctitle,.sidebarblock>.content>.title{page-break-after:avoid}
|
||
|
#toc,.sidebarblock,.exampleblock>.content{background:none!important}
|
||
|
#toc{border-bottom:1px solid #dddddf!important;padding-bottom:0!important}
|
||
|
body.book #header{text-align:center}
|
||
|
body.book #header>h1:first-child{border:0!important;margin:2.5em 0 1em}
|
||
|
body.book #header .details{border:0!important;display:block;padding:0!important}
|
||
|
body.book #header .details span:first-child{margin-left:0!important}
|
||
|
body.book #header .details br{display:block}
|
||
|
body.book #header .details br+span::before{content:none!important}
|
||
|
body.book #toc{border:0!important;text-align:left!important;padding:0!important;margin:0!important}
|
||
|
body.book #toc,body.book #preamble,body.book h1.sect0,body.book .sect1>h2{page-break-before:always}
|
||
|
.listingblock code[data-lang]::before{display:block}
|
||
|
#footer{padding:0 .9375em}
|
||
|
.hide-on-print{display:none!important}
|
||
|
.print-only{display:block!important}
|
||
|
.hide-for-print{display:none!important}
|
||
|
.show-for-print{display:inherit!important}}
|
||
|
@media print,amzn-kf8{#header>h1:first-child{margin-top:1.25rem}
|
||
|
.sect1{padding:0!important}
|
||
|
.sect1+.sect1{border:0}
|
||
|
#footer{background:none}
|
||
|
#footer-text{color:rgba(0,0,0,.6);font-size:.9em}}
|
||
|
@media amzn-kf8{#header,#content,#footnotes,#footer{padding:0}}
|
||
|
</style>
|
||
|
</head>
|
||
|
<body class="manpage">
|
||
|
<div id="header">
|
||
|
<h1>git-fetch(1) Manual Page</h1>
|
||
|
<h2 id="_name">NAME</h2>
|
||
|
<div class="sectionbody">
|
||
|
<p>git-fetch - Download objects and refs from another repository</p>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div id="content">
|
||
|
<div class="sect1">
|
||
|
<h2 id="_synopsis">SYNOPSIS</h2>
|
||
|
<div class="sectionbody">
|
||
|
<div class="verseblock">
|
||
|
<pre class="content"><em>git fetch</em> [<options>] [<repository> [<refspec>…​]]
|
||
|
<em>git fetch</em> [<options>] <group>
|
||
|
<em>git fetch</em> --multiple [<options>] [(<repository> | <group>)…​]
|
||
|
<em>git fetch</em> --all [<options>]</pre>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="sect1">
|
||
|
<h2 id="_description">DESCRIPTION</h2>
|
||
|
<div class="sectionbody">
|
||
|
<div class="paragraph">
|
||
|
<p>Fetch branches and/or tags (collectively, "refs") from one or more
|
||
|
other repositories, along with the objects necessary to complete their
|
||
|
histories. Remote-tracking branches are updated (see the description
|
||
|
of <refspec> below for ways to control this behavior).</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>By default, any tag that points into the histories being fetched is
|
||
|
also fetched; the effect is to fetch tags that
|
||
|
point at branches that you are interested in. This default behavior
|
||
|
can be changed by using the --tags or --no-tags options or by
|
||
|
configuring remote.<name>.tagOpt. By using a refspec that fetches tags
|
||
|
explicitly, you can fetch tags that do not point into branches you
|
||
|
are interested in as well.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p><em>git fetch</em> can fetch from either a single named repository or URL,
|
||
|
or from several repositories at once if <group> is given and
|
||
|
there is a remotes.<group> entry in the configuration file.
|
||
|
(See <a href="git-config.html">git-config</a>(1)).</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>When no remote is specified, by default the <code>origin</code> remote will be used,
|
||
|
unless there’s an upstream branch configured for the current branch.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>The names of refs that are fetched, together with the object names
|
||
|
they point at, are written to <code>.git/FETCH_HEAD</code>. This information
|
||
|
may be used by scripts or other git commands, such as <a href="git-pull.html">git-pull</a>(1).</p>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="sect1">
|
||
|
<h2 id="_options">OPTIONS</h2>
|
||
|
<div class="sectionbody">
|
||
|
<div class="dlist">
|
||
|
<dl>
|
||
|
<dt class="hdlist1">--all</dt>
|
||
|
<dd>
|
||
|
<p>Fetch all remotes.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">-a</dt>
|
||
|
<dt class="hdlist1">--append</dt>
|
||
|
<dd>
|
||
|
<p>Append ref names and object names of fetched refs to the
|
||
|
existing contents of <code>.git/FETCH_HEAD</code>. Without this
|
||
|
option old data in <code>.git/FETCH_HEAD</code> will be overwritten.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--depth=<depth></dt>
|
||
|
<dd>
|
||
|
<p>Limit fetching to the specified number of commits from the tip of
|
||
|
each remote branch history. If fetching to a <em>shallow</em> repository
|
||
|
created by <code>git clone</code> with <code>--depth=<depth></code> option (see
|
||
|
<a href="git-clone.html">git-clone</a>(1)), deepen or shorten the history to the specified
|
||
|
number of commits. Tags for the deepened commits are not fetched.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--deepen=<depth></dt>
|
||
|
<dd>
|
||
|
<p>Similar to --depth, except it specifies the number of commits
|
||
|
from the current shallow boundary instead of from the tip of
|
||
|
each remote branch history.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--shallow-since=<date></dt>
|
||
|
<dd>
|
||
|
<p>Deepen or shorten the history of a shallow repository to
|
||
|
include all reachable commits after <date>.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--shallow-exclude=<revision></dt>
|
||
|
<dd>
|
||
|
<p>Deepen or shorten the history of a shallow repository to
|
||
|
exclude commits reachable from a specified remote branch or tag.
|
||
|
This option can be specified multiple times.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--unshallow</dt>
|
||
|
<dd>
|
||
|
<p>If the source repository is complete, convert a shallow
|
||
|
repository to a complete one, removing all the limitations
|
||
|
imposed by shallow repositories.</p>
|
||
|
<div class="paragraph">
|
||
|
<p>If the source repository is shallow, fetch as much as possible so that
|
||
|
the current repository has the same history as the source repository.</p>
|
||
|
</div>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--update-shallow</dt>
|
||
|
<dd>
|
||
|
<p>By default when fetching from a shallow repository,
|
||
|
<code>git fetch</code> refuses refs that require updating
|
||
|
.git/shallow. This option updates .git/shallow and accept such
|
||
|
refs.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--negotiation-tip=<commit|glob></dt>
|
||
|
<dd>
|
||
|
<p>By default, Git will report, to the server, commits reachable
|
||
|
from all local refs to find common commits in an attempt to
|
||
|
reduce the size of the to-be-received packfile. If specified,
|
||
|
Git will only report commits reachable from the given tips.
|
||
|
This is useful to speed up fetches when the user knows which
|
||
|
local ref is likely to have commits in common with the
|
||
|
upstream ref being fetched.</p>
|
||
|
<div class="paragraph">
|
||
|
<p>This option may be specified more than once; if so, Git will report
|
||
|
commits reachable from any of the given commits.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>The argument to this option may be a glob on ref names, a ref, or the (possibly
|
||
|
abbreviated) SHA-1 of a commit. Specifying a glob is equivalent to specifying
|
||
|
this option multiple times, one for each matching ref name.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>See also the <code>fetch.negotiationAlgorithm</code> configuration variable
|
||
|
documented in <a href="git-config.html">git-config</a>(1).</p>
|
||
|
</div>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--dry-run</dt>
|
||
|
<dd>
|
||
|
<p>Show what would be done, without making any changes.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">-f</dt>
|
||
|
<dt class="hdlist1">--force</dt>
|
||
|
<dd>
|
||
|
<p>When <em>git fetch</em> is used with <code><src>:<dst></code> refspec it may
|
||
|
refuse to update the local branch as discussed
|
||
|
in the <code><refspec></code> part below.
|
||
|
This option overrides that check.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">-k</dt>
|
||
|
<dt class="hdlist1">--keep</dt>
|
||
|
<dd>
|
||
|
<p>Keep downloaded pack.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--multiple</dt>
|
||
|
<dd>
|
||
|
<p>Allow several <repository> and <group> arguments to be
|
||
|
specified. No <refspec>s may be specified.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">-p</dt>
|
||
|
<dt class="hdlist1">--prune</dt>
|
||
|
<dd>
|
||
|
<p>Before fetching, remove any remote-tracking references that no
|
||
|
longer exist on the remote. Tags are not subject to pruning
|
||
|
if they are fetched only because of the default tag
|
||
|
auto-following or due to a --tags option. However, if tags
|
||
|
are fetched due to an explicit refspec (either on the command
|
||
|
line or in the remote configuration, for example if the remote
|
||
|
was cloned with the --mirror option), then they are also
|
||
|
subject to pruning. Supplying <code>--prune-tags</code> is a shorthand for
|
||
|
providing the tag refspec.</p>
|
||
|
<div class="paragraph">
|
||
|
<p>See the PRUNING section below for more details.</p>
|
||
|
</div>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">-P</dt>
|
||
|
<dt class="hdlist1">--prune-tags</dt>
|
||
|
<dd>
|
||
|
<p>Before fetching, remove any local tags that no longer exist on
|
||
|
the remote if <code>--prune</code> is enabled. This option should be used
|
||
|
more carefully, unlike <code>--prune</code> it will remove any local
|
||
|
references (local tags) that have been created. This option is
|
||
|
a shorthand for providing the explicit tag refspec along with
|
||
|
<code>--prune</code>, see the discussion about that in its documentation.</p>
|
||
|
<div class="paragraph">
|
||
|
<p>See the PRUNING section below for more details.</p>
|
||
|
</div>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">-n</dt>
|
||
|
<dt class="hdlist1">--no-tags</dt>
|
||
|
<dd>
|
||
|
<p>By default, tags that point at objects that are downloaded
|
||
|
from the remote repository are fetched and stored locally.
|
||
|
This option disables this automatic tag following. The default
|
||
|
behavior for a remote may be specified with the remote.<name>.tagOpt
|
||
|
setting. See <a href="git-config.html">git-config</a>(1).</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--refmap=<refspec></dt>
|
||
|
<dd>
|
||
|
<p>When fetching refs listed on the command line, use the
|
||
|
specified refspec (can be given more than once) to map the
|
||
|
refs to remote-tracking branches, instead of the values of
|
||
|
<code>remote.*.fetch</code> configuration variables for the remote
|
||
|
repository. See section on "Configured Remote-tracking
|
||
|
Branches" for details.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">-t</dt>
|
||
|
<dt class="hdlist1">--tags</dt>
|
||
|
<dd>
|
||
|
<p>Fetch all tags from the remote (i.e., fetch remote tags
|
||
|
<code>refs/tags/*</code> into local tags with the same name), in addition
|
||
|
to whatever else would otherwise be fetched. Using this
|
||
|
option alone does not subject tags to pruning, even if --prune
|
||
|
is used (though tags may be pruned anyway if they are also the
|
||
|
destination of an explicit refspec; see <code>--prune</code>).</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--recurse-submodules[=yes|on-demand|no]</dt>
|
||
|
<dd>
|
||
|
<p>This option controls if and under what conditions new commits of
|
||
|
populated submodules should be fetched too. It can be used as a
|
||
|
boolean option to completely disable recursion when set to <em>no</em> or to
|
||
|
unconditionally recurse into all populated submodules when set to
|
||
|
<em>yes</em>, which is the default when this option is used without any
|
||
|
value. Use <em>on-demand</em> to only recurse into a populated submodule
|
||
|
when the superproject retrieves a commit that updates the submodule’s
|
||
|
reference to a commit that isn’t already in the local submodule
|
||
|
clone.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">-j</dt>
|
||
|
<dt class="hdlist1">--jobs=<n></dt>
|
||
|
<dd>
|
||
|
<p>Number of parallel children to be used for fetching submodules.
|
||
|
Each will fetch from different submodules, such that fetching many
|
||
|
submodules will be faster. By default submodules will be fetched
|
||
|
one at a time.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--no-recurse-submodules</dt>
|
||
|
<dd>
|
||
|
<p>Disable recursive fetching of submodules (this has the same effect as
|
||
|
using the <code>--recurse-submodules=no</code> option).</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--submodule-prefix=<path></dt>
|
||
|
<dd>
|
||
|
<p>Prepend <path> to paths printed in informative messages
|
||
|
such as "Fetching submodule foo". This option is used
|
||
|
internally when recursing over submodules.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--recurse-submodules-default=[yes|on-demand]</dt>
|
||
|
<dd>
|
||
|
<p>This option is used internally to temporarily provide a
|
||
|
non-negative default value for the --recurse-submodules
|
||
|
option. All other methods of configuring fetch’s submodule
|
||
|
recursion (such as settings in <a href="gitmodules.html">gitmodules</a>(5) and
|
||
|
<a href="git-config.html">git-config</a>(1)) override this option, as does
|
||
|
specifying --[no-]recurse-submodules directly.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">-u</dt>
|
||
|
<dt class="hdlist1">--update-head-ok</dt>
|
||
|
<dd>
|
||
|
<p>By default <em>git fetch</em> refuses to update the head which
|
||
|
corresponds to the current branch. This flag disables the
|
||
|
check. This is purely for the internal use for <em>git pull</em>
|
||
|
to communicate with <em>git fetch</em>, and unless you are
|
||
|
implementing your own Porcelain you are not supposed to
|
||
|
use it.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--upload-pack <upload-pack></dt>
|
||
|
<dd>
|
||
|
<p>When given, and the repository to fetch from is handled
|
||
|
by <em>git fetch-pack</em>, <code>--exec=<upload-pack></code> is passed to
|
||
|
the command to specify non-default path for the command
|
||
|
run on the other end.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">-q</dt>
|
||
|
<dt class="hdlist1">--quiet</dt>
|
||
|
<dd>
|
||
|
<p>Pass --quiet to git-fetch-pack and silence any other internally
|
||
|
used git commands. Progress is not reported to the standard error
|
||
|
stream.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">-v</dt>
|
||
|
<dt class="hdlist1">--verbose</dt>
|
||
|
<dd>
|
||
|
<p>Be verbose.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--progress</dt>
|
||
|
<dd>
|
||
|
<p>Progress status is reported on the standard error stream
|
||
|
by default when it is attached to a terminal, unless -q
|
||
|
is specified. This flag forces progress status even if the
|
||
|
standard error stream is not directed to a terminal.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">-o <option></dt>
|
||
|
<dt class="hdlist1">--server-option=<option></dt>
|
||
|
<dd>
|
||
|
<p>Transmit the given string to the server when communicating using
|
||
|
protocol version 2. The given string must not contain a NUL or LF
|
||
|
character.
|
||
|
When multiple <code>--server-option=<option></code> are given, they are all
|
||
|
sent to the other side in the order listed on the command line.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">-4</dt>
|
||
|
<dt class="hdlist1">--ipv4</dt>
|
||
|
<dd>
|
||
|
<p>Use IPv4 addresses only, ignoring IPv6 addresses.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">-6</dt>
|
||
|
<dt class="hdlist1">--ipv6</dt>
|
||
|
<dd>
|
||
|
<p>Use IPv6 addresses only, ignoring IPv4 addresses.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1"><repository></dt>
|
||
|
<dd>
|
||
|
<p>The "remote" repository that is the source of a fetch
|
||
|
or pull operation. This parameter can be either a URL
|
||
|
(see the section <a href="#URLS">GIT URLS</a> below) or the name
|
||
|
of a remote (see the section <a href="#REMOTES">REMOTES</a> below).</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1"><group></dt>
|
||
|
<dd>
|
||
|
<p>A name referring to a list of repositories as the value
|
||
|
of remotes.<group> in the configuration file.
|
||
|
(See <a href="git-config.html">git-config</a>(1)).</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1"><refspec></dt>
|
||
|
<dd>
|
||
|
<p>Specifies which refs to fetch and which local refs to update.
|
||
|
When no <refspec>s appear on the command line, the refs to fetch
|
||
|
are read from <code>remote.<repository>.fetch</code> variables instead
|
||
|
(see <a href="#CRTB">CONFIGURED REMOTE-TRACKING BRANCHES</a> below).</p>
|
||
|
<div class="paragraph">
|
||
|
<p>The format of a <refspec> parameter is an optional plus
|
||
|
<code>+</code>, followed by the source <src>, followed
|
||
|
by a colon <code>:</code>, followed by the destination ref <dst>.
|
||
|
The colon can be omitted when <dst> is empty. <src> is
|
||
|
typically a ref, but it can also be a fully spelled hex object
|
||
|
name.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p><code>tag <tag></code> means the same as <code>refs/tags/<tag>:refs/tags/<tag></code>;
|
||
|
it requests fetching everything up to the given tag.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>The remote ref that matches <src>
|
||
|
is fetched, and if <dst> is not an empty string, an attempt
|
||
|
is made to update the local ref that matches it.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>Whether that update is allowed without <code>--force</code> depends on the ref
|
||
|
namespace it’s being fetched to, the type of object being fetched, and
|
||
|
whether the update is considered to be a fast-forward. Generally, the
|
||
|
same rules apply for fetching as when pushing, see the <code><refspec>...</code>
|
||
|
section of <a href="git-push.html">git-push</a>(1) for what those are. Exceptions to those
|
||
|
rules particular to <em>git fetch</em> are noted below.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>Until Git version 2.20, and unlike when pushing with
|
||
|
<a href="git-push.html">git-push</a>(1), any updates to <code>refs/tags/*</code> would be accepted
|
||
|
without <code>+</code> in the refspec (or <code>--force</code>). When fetching, we promiscuously
|
||
|
considered all tag updates from a remote to be forced fetches. Since
|
||
|
Git version 2.20, fetching to update <code>refs/tags/*</code> works the same way
|
||
|
as when pushing. I.e. any updates will be rejected without <code>+</code> in the
|
||
|
refspec (or <code>--force</code>).</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>Unlike when pushing with <a href="git-push.html">git-push</a>(1), any updates outside of
|
||
|
<code>refs/{tags,heads}/*</code> will be accepted without <code>+</code> in the refspec (or
|
||
|
<code>--force</code>), whether that’s swapping e.g. a tree object for a blob, or
|
||
|
a commit for another commit that’s doesn’t have the previous commit as
|
||
|
an ancestor etc.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>Unlike when pushing with <a href="git-push.html">git-push</a>(1), there is no
|
||
|
configuration which’ll amend these rules, and nothing like a
|
||
|
<code>pre-fetch</code> hook analogous to the <code>pre-receive</code> hook.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>As with pushing with <a href="git-push.html">git-push</a>(1), all of the rules described
|
||
|
above about what’s not allowed as an update can be overridden by
|
||
|
adding an the optional leading <code>+</code> to a refspec (or using <code>--force</code>
|
||
|
command line option). The only exception to this is that no amount of
|
||
|
forcing will make the <code>refs/heads/*</code> namespace accept a non-commit
|
||
|
object.</p>
|
||
|
</div>
|
||
|
<div class="admonitionblock note">
|
||
|
<table>
|
||
|
<tr>
|
||
|
<td class="icon">
|
||
|
<div class="title">Note</div>
|
||
|
</td>
|
||
|
<td class="content">
|
||
|
When the remote branch you want to fetch is known to
|
||
|
be rewound and rebased regularly, it is expected that
|
||
|
its new tip will not be descendant of its previous tip
|
||
|
(as stored in your remote-tracking branch the last time
|
||
|
you fetched). You would want
|
||
|
to use the <code>+</code> sign to indicate non-fast-forward updates
|
||
|
will be needed for such branches. There is no way to
|
||
|
determine or declare that a branch will be made available
|
||
|
in a repository with this behavior; the pulling user simply
|
||
|
must know this is the expected usage pattern for a branch.
|
||
|
</td>
|
||
|
</tr>
|
||
|
</table>
|
||
|
</div>
|
||
|
</dd>
|
||
|
</dl>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="sect1">
|
||
|
<h2 id="_git_urls">GIT URLS<a id="URLS"></a></h2>
|
||
|
<div class="sectionbody">
|
||
|
<div class="paragraph">
|
||
|
<p>In general, URLs contain information about the transport protocol, the
|
||
|
address of the remote server, and the path to the repository.
|
||
|
Depending on the transport protocol, some of this information may be
|
||
|
absent.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>Git supports ssh, git, http, and https protocols (in addition, ftp,
|
||
|
and ftps can be used for fetching, but this is inefficient and
|
||
|
deprecated; do not use it).</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>The native transport (i.e. git:// URL) does no authentication and
|
||
|
should be used with caution on unsecured networks.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>The following syntaxes may be used with them:</p>
|
||
|
</div>
|
||
|
<div class="ulist">
|
||
|
<ul>
|
||
|
<li>
|
||
|
<p>ssh://[user@]host.xz[:port]/path/to/repo.git/</p>
|
||
|
</li>
|
||
|
<li>
|
||
|
<p>git://host.xz[:port]/path/to/repo.git/</p>
|
||
|
</li>
|
||
|
<li>
|
||
|
<p>http[s]://host.xz[:port]/path/to/repo.git/</p>
|
||
|
</li>
|
||
|
<li>
|
||
|
<p>ftp[s]://host.xz[:port]/path/to/repo.git/</p>
|
||
|
</li>
|
||
|
</ul>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>An alternative scp-like syntax may also be used with the ssh protocol:</p>
|
||
|
</div>
|
||
|
<div class="ulist">
|
||
|
<ul>
|
||
|
<li>
|
||
|
<p>[user@]host.xz:path/to/repo.git/</p>
|
||
|
</li>
|
||
|
</ul>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>This syntax is only recognized if there are no slashes before the
|
||
|
first colon. This helps differentiate a local path that contains a
|
||
|
colon. For example the local path <code>foo:bar</code> could be specified as an
|
||
|
absolute path or <code>./foo:bar</code> to avoid being misinterpreted as an ssh
|
||
|
url.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>The ssh and git protocols additionally support ~username expansion:</p>
|
||
|
</div>
|
||
|
<div class="ulist">
|
||
|
<ul>
|
||
|
<li>
|
||
|
<p>ssh://[user@]host.xz[:port]/~[user]/path/to/repo.git/</p>
|
||
|
</li>
|
||
|
<li>
|
||
|
<p>git://host.xz[:port]/~[user]/path/to/repo.git/</p>
|
||
|
</li>
|
||
|
<li>
|
||
|
<p>[user@]host.xz:/~[user]/path/to/repo.git/</p>
|
||
|
</li>
|
||
|
</ul>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>For local repositories, also supported by Git natively, the following
|
||
|
syntaxes may be used:</p>
|
||
|
</div>
|
||
|
<div class="ulist">
|
||
|
<ul>
|
||
|
<li>
|
||
|
<p>/path/to/repo.git/</p>
|
||
|
</li>
|
||
|
<li>
|
||
|
<p>file:///path/to/repo.git/</p>
|
||
|
</li>
|
||
|
</ul>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>These two syntaxes are mostly equivalent, except when cloning, when
|
||
|
the former implies --local option. See <a href="git-clone.html">git-clone</a>(1) for
|
||
|
details.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>When Git doesn’t know how to handle a certain transport protocol, it
|
||
|
attempts to use the <em>remote-<transport></em> remote helper, if one
|
||
|
exists. To explicitly request a remote helper, the following syntax
|
||
|
may be used:</p>
|
||
|
</div>
|
||
|
<div class="ulist">
|
||
|
<ul>
|
||
|
<li>
|
||
|
<p><transport>::<address></p>
|
||
|
</li>
|
||
|
</ul>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>where <address> may be a path, a server and path, or an arbitrary
|
||
|
URL-like string recognized by the specific remote helper being
|
||
|
invoked. See <a href="gitremote-helpers.html">gitremote-helpers</a>(1) for details.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>If there are a large number of similarly-named remote repositories and
|
||
|
you want to use a different format for them (such that the URLs you
|
||
|
use will be rewritten into URLs that work), you can create a
|
||
|
configuration section of the form:</p>
|
||
|
</div>
|
||
|
<div class="listingblock">
|
||
|
<div class="content">
|
||
|
<pre> [url "<actual url base>"]
|
||
|
insteadOf = <other url base></pre>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>For example, with this:</p>
|
||
|
</div>
|
||
|
<div class="listingblock">
|
||
|
<div class="content">
|
||
|
<pre> [url "git://git.host.xz/"]
|
||
|
insteadOf = host.xz:/path/to/
|
||
|
insteadOf = work:</pre>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>a URL like "work:repo.git" or like "host.xz:/path/to/repo.git" will be
|
||
|
rewritten in any context that takes a URL to be "git://git.host.xz/repo.git".</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>If you want to rewrite URLs for push only, you can create a
|
||
|
configuration section of the form:</p>
|
||
|
</div>
|
||
|
<div class="listingblock">
|
||
|
<div class="content">
|
||
|
<pre> [url "<actual url base>"]
|
||
|
pushInsteadOf = <other url base></pre>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>For example, with this:</p>
|
||
|
</div>
|
||
|
<div class="listingblock">
|
||
|
<div class="content">
|
||
|
<pre> [url "ssh://example.org/"]
|
||
|
pushInsteadOf = git://example.org/</pre>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>a URL like "git://example.org/path/to/repo.git" will be rewritten to
|
||
|
"ssh://example.org/path/to/repo.git" for pushes, but pulls will still
|
||
|
use the original URL.</p>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="sect1">
|
||
|
<h2 id="_remotes">REMOTES<a id="REMOTES"></a></h2>
|
||
|
<div class="sectionbody">
|
||
|
<div class="paragraph">
|
||
|
<p>The name of one of the following can be used instead
|
||
|
of a URL as <code><repository></code> argument:</p>
|
||
|
</div>
|
||
|
<div class="ulist">
|
||
|
<ul>
|
||
|
<li>
|
||
|
<p>a remote in the Git configuration file: <code>$GIT_DIR/config</code>,</p>
|
||
|
</li>
|
||
|
<li>
|
||
|
<p>a file in the <code>$GIT_DIR/remotes</code> directory, or</p>
|
||
|
</li>
|
||
|
<li>
|
||
|
<p>a file in the <code>$GIT_DIR/branches</code> directory.</p>
|
||
|
</li>
|
||
|
</ul>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>All of these also allow you to omit the refspec from the command line
|
||
|
because they each contain a refspec which git will use by default.</p>
|
||
|
</div>
|
||
|
<div class="sect2">
|
||
|
<h3 id="_named_remote_in_configuration_file">Named remote in configuration file</h3>
|
||
|
<div class="paragraph">
|
||
|
<p>You can choose to provide the name of a remote which you had previously
|
||
|
configured using <a href="git-remote.html">git-remote</a>(1), <a href="git-config.html">git-config</a>(1)
|
||
|
or even by a manual edit to the <code>$GIT_DIR/config</code> file. The URL of
|
||
|
this remote will be used to access the repository. The refspec
|
||
|
of this remote will be used by default when you do
|
||
|
not provide a refspec on the command line. The entry in the
|
||
|
config file would appear like this:</p>
|
||
|
</div>
|
||
|
<div class="listingblock">
|
||
|
<div class="content">
|
||
|
<pre> [remote "<name>"]
|
||
|
url = <url>
|
||
|
pushurl = <pushurl>
|
||
|
push = <refspec>
|
||
|
fetch = <refspec></pre>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>The <code><pushurl></code> is used for pushes only. It is optional and defaults
|
||
|
to <code><url></code>.</p>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="sect2">
|
||
|
<h3 id="_named_file_in_git_dirremotes">Named file in <code>$GIT_DIR/remotes</code></h3>
|
||
|
<div class="paragraph">
|
||
|
<p>You can choose to provide the name of a
|
||
|
file in <code>$GIT_DIR/remotes</code>. The URL
|
||
|
in this file will be used to access the repository. The refspec
|
||
|
in this file will be used as default when you do not
|
||
|
provide a refspec on the command line. This file should have the
|
||
|
following format:</p>
|
||
|
</div>
|
||
|
<div class="listingblock">
|
||
|
<div class="content">
|
||
|
<pre> URL: one of the above URL format
|
||
|
Push: <refspec>
|
||
|
Pull: <refspec></pre>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p><code>Push:</code> lines are used by <em>git push</em> and
|
||
|
<code>Pull:</code> lines are used by <em>git pull</em> and <em>git fetch</em>.
|
||
|
Multiple <code>Push:</code> and <code>Pull:</code> lines may
|
||
|
be specified for additional branch mappings.</p>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="sect2">
|
||
|
<h3 id="_named_file_in_git_dirbranches">Named file in <code>$GIT_DIR/branches</code></h3>
|
||
|
<div class="paragraph">
|
||
|
<p>You can choose to provide the name of a
|
||
|
file in <code>$GIT_DIR/branches</code>.
|
||
|
The URL in this file will be used to access the repository.
|
||
|
This file should have the following format:</p>
|
||
|
</div>
|
||
|
<div class="listingblock">
|
||
|
<div class="content">
|
||
|
<pre> <url>#<head></pre>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p><code><url></code> is required; <code>#<head></code> is optional.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>Depending on the operation, git will use one of the following
|
||
|
refspecs, if you don’t provide one on the command line.
|
||
|
<code><branch></code> is the name of this file in <code>$GIT_DIR/branches</code> and
|
||
|
<code><head></code> defaults to <code>master</code>.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>git fetch uses:</p>
|
||
|
</div>
|
||
|
<div class="listingblock">
|
||
|
<div class="content">
|
||
|
<pre> refs/heads/<head>:refs/heads/<branch></pre>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>git push uses:</p>
|
||
|
</div>
|
||
|
<div class="listingblock">
|
||
|
<div class="content">
|
||
|
<pre> HEAD:refs/heads/<head></pre>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="sect1">
|
||
|
<h2 id="_configured_remote_tracking_branches">CONFIGURED REMOTE-TRACKING BRANCHES<a id="CRTB"></a></h2>
|
||
|
<div class="sectionbody">
|
||
|
<div class="paragraph">
|
||
|
<p>You often interact with the same remote repository by
|
||
|
regularly and repeatedly fetching from it. In order to keep track
|
||
|
of the progress of such a remote repository, <code>git fetch</code> allows you
|
||
|
to configure <code>remote.<repository>.fetch</code> configuration variables.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>Typically such a variable may look like this:</p>
|
||
|
</div>
|
||
|
<div class="listingblock">
|
||
|
<div class="content">
|
||
|
<pre>[remote "origin"]
|
||
|
fetch = +refs/heads/*:refs/remotes/origin/*</pre>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>This configuration is used in two ways:</p>
|
||
|
</div>
|
||
|
<div class="ulist">
|
||
|
<ul>
|
||
|
<li>
|
||
|
<p>When <code>git fetch</code> is run without specifying what branches
|
||
|
and/or tags to fetch on the command line, e.g. <code>git fetch origin</code>
|
||
|
or <code>git fetch</code>, <code>remote.<repository>.fetch</code> values are used as
|
||
|
the refspecs—​they specify which refs to fetch and which local refs
|
||
|
to update. The example above will fetch
|
||
|
all branches that exist in the <code>origin</code> (i.e. any ref that matches
|
||
|
the left-hand side of the value, <code>refs/heads/*</code>) and update the
|
||
|
corresponding remote-tracking branches in the <code>refs/remotes/origin/*</code>
|
||
|
hierarchy.</p>
|
||
|
</li>
|
||
|
<li>
|
||
|
<p>When <code>git fetch</code> is run with explicit branches and/or tags
|
||
|
to fetch on the command line, e.g. <code>git fetch origin master</code>, the
|
||
|
<refspec>s given on the command line determine what are to be
|
||
|
fetched (e.g. <code>master</code> in the example,
|
||
|
which is a short-hand for <code>master:</code>, which in turn means
|
||
|
"fetch the <em>master</em> branch but I do not explicitly say what
|
||
|
remote-tracking branch to update with it from the command line"),
|
||
|
and the example command will
|
||
|
fetch <em>only</em> the <em>master</em> branch. The <code>remote.<repository>.fetch</code>
|
||
|
values determine which
|
||
|
remote-tracking branch, if any, is updated. When used in this
|
||
|
way, the <code>remote.<repository>.fetch</code> values do not have any
|
||
|
effect in deciding <em>what</em> gets fetched (i.e. the values are not
|
||
|
used as refspecs when the command-line lists refspecs); they are
|
||
|
only used to decide <em>where</em> the refs that are fetched are stored
|
||
|
by acting as a mapping.</p>
|
||
|
</li>
|
||
|
</ul>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>The latter use of the <code>remote.<repository>.fetch</code> values can be
|
||
|
overridden by giving the <code>--refmap=<refspec></code> parameter(s) on the
|
||
|
command line.</p>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="sect1">
|
||
|
<h2 id="_pruning">PRUNING</h2>
|
||
|
<div class="sectionbody">
|
||
|
<div class="paragraph">
|
||
|
<p>Git has a default disposition of keeping data unless it’s explicitly
|
||
|
thrown away; this extends to holding onto local references to branches
|
||
|
on remotes that have themselves deleted those branches.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>If left to accumulate, these stale references might make performance
|
||
|
worse on big and busy repos that have a lot of branch churn, and
|
||
|
e.g. make the output of commands like <code>git branch -a --contains
|
||
|
<commit></code> needlessly verbose, as well as impacting anything else
|
||
|
that’ll work with the complete set of known references.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>These remote-tracking references can be deleted as a one-off with
|
||
|
either of:</p>
|
||
|
</div>
|
||
|
<div class="listingblock">
|
||
|
<div class="content">
|
||
|
<pre># While fetching
|
||
|
$ git fetch --prune <name>
|
||
|
|
||
|
# Only prune, don't fetch
|
||
|
$ git remote prune <name></pre>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>To prune references as part of your normal workflow without needing to
|
||
|
remember to run that, set <code>fetch.prune</code> globally, or
|
||
|
<code>remote.<name>.prune</code> per-remote in the config. See
|
||
|
<a href="git-config.html">git-config</a>(1).</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>Here’s where things get tricky and more specific. The pruning feature
|
||
|
doesn’t actually care about branches, instead it’ll prune local <→
|
||
|
remote-references as a function of the refspec of the remote (see
|
||
|
<code><refspec></code> and <a href="#CRTB">CONFIGURED REMOTE-TRACKING BRANCHES</a> above).</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>Therefore if the refspec for the remote includes
|
||
|
e.g. <code>refs/tags/*:refs/tags/*</code>, or you manually run e.g. <code>git fetch
|
||
|
--prune <name> "refs/tags/*:refs/tags/*"</code> it won’t be stale remote
|
||
|
tracking branches that are deleted, but any local tag that doesn’t
|
||
|
exist on the remote.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>This might not be what you expect, i.e. you want to prune remote
|
||
|
<code><name></code>, but also explicitly fetch tags from it, so when you fetch
|
||
|
from it you delete all your local tags, most of which may not have
|
||
|
come from the <code><name></code> remote in the first place.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>So be careful when using this with a refspec like
|
||
|
<code>refs/tags/*:refs/tags/*</code>, or any other refspec which might map
|
||
|
references from multiple remotes to the same local namespace.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>Since keeping up-to-date with both branches and tags on the remote is
|
||
|
a common use-case the <code>--prune-tags</code> option can be supplied along with
|
||
|
<code>--prune</code> to prune local tags that don’t exist on the remote, and
|
||
|
force-update those tags that differ. Tag pruning can also be enabled
|
||
|
with <code>fetch.pruneTags</code> or <code>remote.<name>.pruneTags</code> in the config. See
|
||
|
<a href="git-config.html">git-config</a>(1).</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>The <code>--prune-tags</code> option is equivalent to having
|
||
|
<code>refs/tags/*:refs/tags/*</code> declared in the refspecs of the remote. This
|
||
|
can lead to some seemingly strange interactions:</p>
|
||
|
</div>
|
||
|
<div class="listingblock">
|
||
|
<div class="content">
|
||
|
<pre># These both fetch tags
|
||
|
$ git fetch --no-tags origin 'refs/tags/*:refs/tags/*'
|
||
|
$ git fetch --no-tags --prune-tags origin</pre>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>The reason it doesn’t error out when provided without <code>--prune</code> or its
|
||
|
config versions is for flexibility of the configured versions, and to
|
||
|
maintain a 1=1 mapping between what the command line flags do, and
|
||
|
what the configuration versions do.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>It’s reasonable to e.g. configure <code>fetch.pruneTags=true</code> in
|
||
|
<code>~/.gitconfig</code> to have tags pruned whenever <code>git fetch --prune</code> is
|
||
|
run, without making every invocation of <code>git fetch</code> without <code>--prune</code>
|
||
|
an error.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>Pruning tags with <code>--prune-tags</code> also works when fetching a URL
|
||
|
instead of a named remote. These will all prune tags not found on
|
||
|
origin:</p>
|
||
|
</div>
|
||
|
<div class="listingblock">
|
||
|
<div class="content">
|
||
|
<pre>$ git fetch origin --prune --prune-tags
|
||
|
$ git fetch origin --prune 'refs/tags/*:refs/tags/*'
|
||
|
$ git fetch <url of origin> --prune --prune-tags
|
||
|
$ git fetch <url of origin> --prune 'refs/tags/*:refs/tags/*'</pre>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="sect1">
|
||
|
<h2 id="_output">OUTPUT</h2>
|
||
|
<div class="sectionbody">
|
||
|
<div class="paragraph">
|
||
|
<p>The output of "git fetch" depends on the transport method used; this
|
||
|
section describes the output when fetching over the Git protocol
|
||
|
(either locally or via ssh) and Smart HTTP protocol.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>The status of the fetch is output in tabular form, with each line
|
||
|
representing the status of a single ref. Each line is of the form:</p>
|
||
|
</div>
|
||
|
<div class="listingblock">
|
||
|
<div class="content">
|
||
|
<pre> <flag> <summary> <from> -> <to> [<reason>]</pre>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>The status of up-to-date refs is shown only if the --verbose option is
|
||
|
used.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>In compact output mode, specified with configuration variable
|
||
|
fetch.output, if either entire <code><from></code> or <code><to></code> is found in the
|
||
|
other string, it will be substituted with <code>*</code> in the other string. For
|
||
|
example, <code>master -> origin/master</code> becomes <code>master -> origin/*</code>.</p>
|
||
|
</div>
|
||
|
<div class="dlist">
|
||
|
<dl>
|
||
|
<dt class="hdlist1">flag</dt>
|
||
|
<dd>
|
||
|
<p>A single character indicating the status of the ref:</p>
|
||
|
<div class="dlist">
|
||
|
<dl>
|
||
|
<dt class="hdlist1">(space)</dt>
|
||
|
<dd>
|
||
|
<p>for a successfully fetched fast-forward;</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1"><code>+</code></dt>
|
||
|
<dd>
|
||
|
<p>for a successful forced update;</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1"><code>-</code></dt>
|
||
|
<dd>
|
||
|
<p>for a successfully pruned ref;</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1"><code>t</code></dt>
|
||
|
<dd>
|
||
|
<p>for a successful tag update;</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1"><code>*</code></dt>
|
||
|
<dd>
|
||
|
<p>for a successfully fetched new ref;</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1"><code>!</code></dt>
|
||
|
<dd>
|
||
|
<p>for a ref that was rejected or failed to update; and</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1"><code>=</code></dt>
|
||
|
<dd>
|
||
|
<p>for a ref that was up to date and did not need fetching.</p>
|
||
|
</dd>
|
||
|
</dl>
|
||
|
</div>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">summary</dt>
|
||
|
<dd>
|
||
|
<p>For a successfully fetched ref, the summary shows the old and new
|
||
|
values of the ref in a form suitable for using as an argument to
|
||
|
<code>git log</code> (this is <code><old>..<new></code> in most cases, and
|
||
|
<code><old>...<new></code> for forced non-fast-forward updates).</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">from</dt>
|
||
|
<dd>
|
||
|
<p>The name of the remote ref being fetched from, minus its
|
||
|
<code>refs/<type>/</code> prefix. In the case of deletion, the name of
|
||
|
the remote ref is "(none)".</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">to</dt>
|
||
|
<dd>
|
||
|
<p>The name of the local ref being updated, minus its
|
||
|
<code>refs/<type>/</code> prefix.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">reason</dt>
|
||
|
<dd>
|
||
|
<p>A human-readable explanation. In the case of successfully fetched
|
||
|
refs, no explanation is needed. For a failed ref, the reason for
|
||
|
failure is described.</p>
|
||
|
</dd>
|
||
|
</dl>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="sect1">
|
||
|
<h2 id="_examples">EXAMPLES</h2>
|
||
|
<div class="sectionbody">
|
||
|
<div class="ulist">
|
||
|
<ul>
|
||
|
<li>
|
||
|
<p>Update the remote-tracking branches:</p>
|
||
|
<div class="listingblock">
|
||
|
<div class="content">
|
||
|
<pre>$ git fetch origin</pre>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>The above command copies all branches from the remote refs/heads/
|
||
|
namespace and stores them to the local refs/remotes/origin/ namespace,
|
||
|
unless the branch.<name>.fetch option is used to specify a non-default
|
||
|
refspec.</p>
|
||
|
</div>
|
||
|
</li>
|
||
|
<li>
|
||
|
<p>Using refspecs explicitly:</p>
|
||
|
<div class="listingblock">
|
||
|
<div class="content">
|
||
|
<pre>$ git fetch origin +pu:pu maint:tmp</pre>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>This updates (or creates, as necessary) branches <code>pu</code> and <code>tmp</code> in
|
||
|
the local repository by fetching from the branches (respectively)
|
||
|
<code>pu</code> and <code>maint</code> from the remote repository.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>The <code>pu</code> branch will be updated even if it is does not fast-forward,
|
||
|
because it is prefixed with a plus sign; <code>tmp</code> will not be.</p>
|
||
|
</div>
|
||
|
</li>
|
||
|
<li>
|
||
|
<p>Peek at a remote’s branch, without configuring the remote in your local
|
||
|
repository:</p>
|
||
|
<div class="listingblock">
|
||
|
<div class="content">
|
||
|
<pre>$ git fetch git://git.kernel.org/pub/scm/git/git.git maint
|
||
|
$ git log FETCH_HEAD</pre>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>The first command fetches the <code>maint</code> branch from the repository at
|
||
|
<code>git://git.kernel.org/pub/scm/git/git.git</code> and the second command uses
|
||
|
<code>FETCH_HEAD</code> to examine the branch with <a href="git-log.html">git-log</a>(1). The fetched
|
||
|
objects will eventually be removed by git’s built-in housekeeping (see
|
||
|
<a href="git-gc.html">git-gc</a>(1)).</p>
|
||
|
</div>
|
||
|
</li>
|
||
|
</ul>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="sect1">
|
||
|
<h2 id="_security">SECURITY</h2>
|
||
|
<div class="sectionbody">
|
||
|
<div class="paragraph">
|
||
|
<p>The fetch and push protocols are not designed to prevent one side from
|
||
|
stealing data from the other repository that was not intended to be
|
||
|
shared. If you have private data that you need to protect from a malicious
|
||
|
peer, your best option is to store it in another repository. This applies
|
||
|
to both clients and servers. In particular, namespaces on a server are not
|
||
|
effective for read access control; you should only grant read access to a
|
||
|
namespace to clients that you would trust with read access to the entire
|
||
|
repository.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>The known attack vectors are as follows:</p>
|
||
|
</div>
|
||
|
<div class="olist arabic">
|
||
|
<ol class="arabic">
|
||
|
<li>
|
||
|
<p>The victim sends "have" lines advertising the IDs of objects it has that
|
||
|
are not explicitly intended to be shared but can be used to optimize the
|
||
|
transfer if the peer also has them. The attacker chooses an object ID X
|
||
|
to steal and sends a ref to X, but isn’t required to send the content of
|
||
|
X because the victim already has it. Now the victim believes that the
|
||
|
attacker has X, and it sends the content of X back to the attacker
|
||
|
later. (This attack is most straightforward for a client to perform on a
|
||
|
server, by creating a ref to X in the namespace the client has access
|
||
|
to and then fetching it. The most likely way for a server to perform it
|
||
|
on a client is to "merge" X into a public branch and hope that the user
|
||
|
does additional work on this branch and pushes it back to the server
|
||
|
without noticing the merge.)</p>
|
||
|
</li>
|
||
|
<li>
|
||
|
<p>As in #1, the attacker chooses an object ID X to steal. The victim sends
|
||
|
an object Y that the attacker already has, and the attacker falsely
|
||
|
claims to have X and not Y, so the victim sends Y as a delta against X.
|
||
|
The delta reveals regions of X that are similar to Y to the attacker.</p>
|
||
|
</li>
|
||
|
</ol>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="sect1">
|
||
|
<h2 id="_bugs">BUGS</h2>
|
||
|
<div class="sectionbody">
|
||
|
<div class="paragraph">
|
||
|
<p>Using --recurse-submodules can only fetch new commits in already checked
|
||
|
out submodules right now. When e.g. upstream added a new submodule in the
|
||
|
just fetched commits of the superproject the submodule itself can not be
|
||
|
fetched, making it impossible to check out that submodule later without
|
||
|
having to do a fetch again. This is expected to be fixed in a future Git
|
||
|
version.</p>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="sect1">
|
||
|
<h2 id="_see_also">SEE ALSO</h2>
|
||
|
<div class="sectionbody">
|
||
|
<div class="paragraph">
|
||
|
<p><a href="git-pull.html">git-pull</a>(1)</p>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="sect1">
|
||
|
<h2 id="_git">GIT</h2>
|
||
|
<div class="sectionbody">
|
||
|
<div class="paragraph">
|
||
|
<p>Part of the <a href="git.html">git</a>(1) suite</p>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div id="footer">
|
||
|
<div id="footer-text">
|
||
|
Last updated 2019-02-26 19:31:11 UTC
|
||
|
</div>
|
||
|
</div>
|
||
|
</body>
|
||
|
</html>
|