1158 lines
58 KiB
HTML
1158 lines
58 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-update-index(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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body.book #header{text-align:center}
|
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|
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body.book #header .details br+span::before{content:none!important}
|
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body.book #toc{border:0!important;text-align:left!important;padding:0!important;margin:0!important}
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.print-only{display:block!important}
|
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.show-for-print{display:inherit!important}}
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@media print,amzn-kf8{#header>h1:first-child{margin-top:1.25rem}
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.sect1{padding:0!important}
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.sect1+.sect1{border:0}
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#footer{background:none}
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#footer-text{color:rgba(0,0,0,.6);font-size:.9em}}
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@media amzn-kf8{#header,#content,#footnotes,#footer{padding:0}}
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|
</style>
|
||
|
</head>
|
||
|
<body class="manpage">
|
||
|
<div id="header">
|
||
|
<h1>git-update-index(1) Manual Page</h1>
|
||
|
<h2 id="_name">NAME</h2>
|
||
|
<div class="sectionbody">
|
||
|
<p>git-update-index - Register file contents in the working tree to the index</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 update-index</em>
|
||
|
[--add] [--remove | --force-remove] [--replace]
|
||
|
[--refresh] [-q] [--unmerged] [--ignore-missing]
|
||
|
[(--cacheinfo <mode>,<object>,<file>)…​]
|
||
|
[--chmod=(+|-)x]
|
||
|
[--[no-]assume-unchanged]
|
||
|
[--[no-]skip-worktree]
|
||
|
[--[no-]fsmonitor-valid]
|
||
|
[--ignore-submodules]
|
||
|
[--[no-]split-index]
|
||
|
[--[no-|test-|force-]untracked-cache]
|
||
|
[--[no-]fsmonitor]
|
||
|
[--really-refresh] [--unresolve] [--again | -g]
|
||
|
[--info-only] [--index-info]
|
||
|
[-z] [--stdin] [--index-version <n>]
|
||
|
[--verbose]
|
||
|
[--] [<file>…​]</pre>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="sect1">
|
||
|
<h2 id="_description">DESCRIPTION</h2>
|
||
|
<div class="sectionbody">
|
||
|
<div class="paragraph">
|
||
|
<p>Modifies the index or directory cache. Each file mentioned is updated
|
||
|
into the index and any <em>unmerged</em> or <em>needs updating</em> state is
|
||
|
cleared.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>See also <a href="git-add.html">git-add</a>(1) for a more user-friendly way to do some of
|
||
|
the most common operations on the index.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>The way <em>git update-index</em> handles files it is told about can be modified
|
||
|
using the various options:</p>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="sect1">
|
||
|
<h2 id="_options">OPTIONS</h2>
|
||
|
<div class="sectionbody">
|
||
|
<div class="dlist">
|
||
|
<dl>
|
||
|
<dt class="hdlist1">--add</dt>
|
||
|
<dd>
|
||
|
<p>If a specified file isn’t in the index already then it’s
|
||
|
added.
|
||
|
Default behaviour is to ignore new files.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--remove</dt>
|
||
|
<dd>
|
||
|
<p>If a specified file is in the index but is missing then it’s
|
||
|
removed.
|
||
|
Default behavior is to ignore removed file.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--refresh</dt>
|
||
|
<dd>
|
||
|
<p>Looks at the current index and checks to see if merges or
|
||
|
updates are needed by checking stat() information.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">-q</dt>
|
||
|
<dd>
|
||
|
<p> Quiet. If --refresh finds that the index needs an update, the
|
||
|
default behavior is to error out. This option makes
|
||
|
<em>git update-index</em> continue anyway.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--ignore-submodules</dt>
|
||
|
<dd>
|
||
|
<p>Do not try to update submodules. This option is only respected
|
||
|
when passed before --refresh.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--unmerged</dt>
|
||
|
<dd>
|
||
|
<p> If --refresh finds unmerged changes in the index, the default
|
||
|
behavior is to error out. This option makes <em>git update-index</em>
|
||
|
continue anyway.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--ignore-missing</dt>
|
||
|
<dd>
|
||
|
<p>Ignores missing files during a --refresh</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--cacheinfo <mode>,<object>,<path></dt>
|
||
|
<dt class="hdlist1">--cacheinfo <mode> <object> <path></dt>
|
||
|
<dd>
|
||
|
<p>Directly insert the specified info into the index. For
|
||
|
backward compatibility, you can also give these three
|
||
|
arguments as three separate parameters, but new users are
|
||
|
encouraged to use a single-parameter form.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--index-info</dt>
|
||
|
<dd>
|
||
|
<p>Read index information from stdin.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--chmod=(+|-)x</dt>
|
||
|
<dd>
|
||
|
<p>Set the execute permissions on the updated files.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--[no-]assume-unchanged</dt>
|
||
|
<dd>
|
||
|
<p>When this flag is specified, the object names recorded
|
||
|
for the paths are not updated. Instead, this option
|
||
|
sets/unsets the "assume unchanged" bit for the
|
||
|
paths. When the "assume unchanged" bit is on, the user
|
||
|
promises not to change the file and allows Git to assume
|
||
|
that the working tree file matches what is recorded in
|
||
|
the index. If you want to change the working tree file,
|
||
|
you need to unset the bit to tell Git. This is
|
||
|
sometimes helpful when working with a big project on a
|
||
|
filesystem that has very slow lstat(2) system call
|
||
|
(e.g. cifs).</p>
|
||
|
<div class="paragraph">
|
||
|
<p>Git will fail (gracefully) in case it needs to modify this file
|
||
|
in the index e.g. when merging in a commit;
|
||
|
thus, in case the assumed-untracked file is changed upstream,
|
||
|
you will need to handle the situation manually.</p>
|
||
|
</div>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--really-refresh</dt>
|
||
|
<dd>
|
||
|
<p>Like <code>--refresh</code>, but checks stat information unconditionally,
|
||
|
without regard to the "assume unchanged" setting.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--[no-]skip-worktree</dt>
|
||
|
<dd>
|
||
|
<p>When one of these flags is specified, the object name recorded
|
||
|
for the paths are not updated. Instead, these options
|
||
|
set and unset the "skip-worktree" bit for the paths. See
|
||
|
section "Skip-worktree bit" below for more information.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--[no-]fsmonitor-valid</dt>
|
||
|
<dd>
|
||
|
<p>When one of these flags is specified, the object name recorded
|
||
|
for the paths are not updated. Instead, these options
|
||
|
set and unset the "fsmonitor valid" bit for the paths. See
|
||
|
section "File System Monitor" below for more information.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">-g</dt>
|
||
|
<dt class="hdlist1">--again</dt>
|
||
|
<dd>
|
||
|
<p>Runs <em>git update-index</em> itself on the paths whose index
|
||
|
entries are different from those from the <code>HEAD</code> commit.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--unresolve</dt>
|
||
|
<dd>
|
||
|
<p>Restores the <em>unmerged</em> or <em>needs updating</em> state of a
|
||
|
file during a merge if it was cleared by accident.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--info-only</dt>
|
||
|
<dd>
|
||
|
<p>Do not create objects in the object database for all
|
||
|
<file> arguments that follow this flag; just insert
|
||
|
their object IDs into the index.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--force-remove</dt>
|
||
|
<dd>
|
||
|
<p>Remove the file from the index even when the working directory
|
||
|
still has such a file. (Implies --remove.)</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--replace</dt>
|
||
|
<dd>
|
||
|
<p>By default, when a file <code>path</code> exists in the index,
|
||
|
<em>git update-index</em> refuses an attempt to add <code>path/file</code>.
|
||
|
Similarly if a file <code>path/file</code> exists, a file <code>path</code>
|
||
|
cannot be added. With --replace flag, existing entries
|
||
|
that conflict with the entry being added are
|
||
|
automatically removed with warning messages.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--stdin</dt>
|
||
|
<dd>
|
||
|
<p>Instead of taking list of paths from the command line,
|
||
|
read list of paths from the standard input. Paths are
|
||
|
separated by LF (i.e. one path per line) by default.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--verbose</dt>
|
||
|
<dd>
|
||
|
<p>Report what is being added and removed from index.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--index-version <n></dt>
|
||
|
<dd>
|
||
|
<p>Write the resulting index out in the named on-disk format version.
|
||
|
Supported versions are 2, 3 and 4. The current default version is 2
|
||
|
or 3, depending on whether extra features are used, such as
|
||
|
<code>git add -N</code>.</p>
|
||
|
<div class="paragraph">
|
||
|
<p>Version 4 performs a simple pathname compression that reduces index
|
||
|
size by 30%-50% on large repositories, which results in faster load
|
||
|
time. Version 4 is relatively young (first released in 1.8.0 in
|
||
|
October 2012). Other Git implementations such as JGit and libgit2
|
||
|
may not support it yet.</p>
|
||
|
</div>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">-z</dt>
|
||
|
<dd>
|
||
|
<p>Only meaningful with <code>--stdin</code> or <code>--index-info</code>; paths are
|
||
|
separated with NUL character instead of LF.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--split-index</dt>
|
||
|
<dt class="hdlist1">--no-split-index</dt>
|
||
|
<dd>
|
||
|
<p>Enable or disable split index mode. If split-index mode is
|
||
|
already enabled and <code>--split-index</code> is given again, all
|
||
|
changes in $GIT_DIR/index are pushed back to the shared index
|
||
|
file.</p>
|
||
|
<div class="paragraph">
|
||
|
<p>These options take effect whatever the value of the <code>core.splitIndex</code>
|
||
|
configuration variable (see <a href="git-config.html">git-config</a>(1)). But a warning is
|
||
|
emitted when the change goes against the configured value, as the
|
||
|
configured value will take effect next time the index is read and this
|
||
|
will remove the intended effect of the option.</p>
|
||
|
</div>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--untracked-cache</dt>
|
||
|
<dt class="hdlist1">--no-untracked-cache</dt>
|
||
|
<dd>
|
||
|
<p>Enable or disable untracked cache feature. Please use
|
||
|
<code>--test-untracked-cache</code> before enabling it.</p>
|
||
|
<div class="paragraph">
|
||
|
<p>These options take effect whatever the value of the <code>core.untrackedCache</code>
|
||
|
configuration variable (see <a href="git-config.html">git-config</a>(1)). But a warning is
|
||
|
emitted when the change goes against the configured value, as the
|
||
|
configured value will take effect next time the index is read and this
|
||
|
will remove the intended effect of the option.</p>
|
||
|
</div>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--test-untracked-cache</dt>
|
||
|
<dd>
|
||
|
<p>Only perform tests on the working directory to make sure
|
||
|
untracked cache can be used. You have to manually enable
|
||
|
untracked cache using <code>--untracked-cache</code> or
|
||
|
<code>--force-untracked-cache</code> or the <code>core.untrackedCache</code>
|
||
|
configuration variable afterwards if you really want to use
|
||
|
it. If a test fails the exit code is 1 and a message
|
||
|
explains what is not working as needed, otherwise the exit
|
||
|
code is 0 and OK is printed.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--force-untracked-cache</dt>
|
||
|
<dd>
|
||
|
<p>Same as <code>--untracked-cache</code>. Provided for backwards
|
||
|
compatibility with older versions of Git where
|
||
|
<code>--untracked-cache</code> used to imply <code>--test-untracked-cache</code> but
|
||
|
this option would enable the extension unconditionally.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--fsmonitor</dt>
|
||
|
<dt class="hdlist1">--no-fsmonitor</dt>
|
||
|
<dd>
|
||
|
<p>Enable or disable files system monitor feature. These options
|
||
|
take effect whatever the value of the <code>core.fsmonitor</code>
|
||
|
configuration variable (see <a href="git-config.html">git-config</a>(1)). But a warning
|
||
|
is emitted when the change goes against the configured value, as
|
||
|
the configured value will take effect next time the index is
|
||
|
read and this will remove the intended effect of the option.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1">--</dt>
|
||
|
<dd>
|
||
|
<p>Do not interpret any more arguments as options.</p>
|
||
|
</dd>
|
||
|
<dt class="hdlist1"><file></dt>
|
||
|
<dd>
|
||
|
<p>Files to act on.
|
||
|
Note that files beginning with <em>.</em> are discarded. This includes
|
||
|
<code>./file</code> and <code>dir/./file</code>. If you don’t want this, then use
|
||
|
cleaner names.
|
||
|
The same applies to directories ending <em>/</em> and paths with <em>//</em></p>
|
||
|
</dd>
|
||
|
</dl>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="sect1">
|
||
|
<h2 id="_using_refresh">USING --REFRESH</h2>
|
||
|
<div class="sectionbody">
|
||
|
<div class="paragraph">
|
||
|
<p><code>--refresh</code> does not calculate a new sha1 file or bring the index
|
||
|
up to date for mode/content changes. But what it <strong>does</strong> do is to
|
||
|
"re-match" the stat information of a file with the index, so that you
|
||
|
can refresh the index for a file that hasn’t been changed but where
|
||
|
the stat entry is out of date.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>For example, you’d want to do this after doing a <em>git read-tree</em>, to link
|
||
|
up the stat index details with the proper files.</p>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="sect1">
|
||
|
<h2 id="_using_cacheinfo_or_info_only">USING --CACHEINFO OR --INFO-ONLY</h2>
|
||
|
<div class="sectionbody">
|
||
|
<div class="paragraph">
|
||
|
<p><code>--cacheinfo</code> is used to register a file that is not in the
|
||
|
current working directory. This is useful for minimum-checkout
|
||
|
merging.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>To pretend you have a file at path with mode and sha1, say:</p>
|
||
|
</div>
|
||
|
<div class="listingblock">
|
||
|
<div class="content">
|
||
|
<pre>$ git update-index --add --cacheinfo <mode>,<sha1>,<path></pre>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p><code>--info-only</code> is used to register files without placing them in the object
|
||
|
database. This is useful for status-only repositories.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>Both <code>--cacheinfo</code> and <code>--info-only</code> behave similarly: the index is updated
|
||
|
but the object database isn’t. <code>--cacheinfo</code> is useful when the object is
|
||
|
in the database but the file isn’t available locally. <code>--info-only</code> is
|
||
|
useful when the file is available, but you do not wish to update the
|
||
|
object database.</p>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="sect1">
|
||
|
<h2 id="_using_index_info">USING --INDEX-INFO</h2>
|
||
|
<div class="sectionbody">
|
||
|
<div class="paragraph">
|
||
|
<p><code>--index-info</code> is a more powerful mechanism that lets you feed
|
||
|
multiple entry definitions from the standard input, and designed
|
||
|
specifically for scripts. It can take inputs of three formats:</p>
|
||
|
</div>
|
||
|
<div class="olist arabic">
|
||
|
<ol class="arabic">
|
||
|
<li>
|
||
|
<p>mode SP type SP sha1 TAB path</p>
|
||
|
<div class="paragraph">
|
||
|
<p>This format is to stuff <code>git ls-tree</code> output into the index.</p>
|
||
|
</div>
|
||
|
</li>
|
||
|
<li>
|
||
|
<p>mode SP sha1 SP stage TAB path</p>
|
||
|
<div class="paragraph">
|
||
|
<p>This format is to put higher order stages into the
|
||
|
index file and matches <em>git ls-files --stage</em> output.</p>
|
||
|
</div>
|
||
|
</li>
|
||
|
<li>
|
||
|
<p>mode SP sha1 TAB path</p>
|
||
|
<div class="paragraph">
|
||
|
<p>This format is no longer produced by any Git command, but is
|
||
|
and will continue to be supported by <code>update-index --index-info</code>.</p>
|
||
|
</div>
|
||
|
</li>
|
||
|
</ol>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>To place a higher stage entry to the index, the path should
|
||
|
first be removed by feeding a mode=0 entry for the path, and
|
||
|
then feeding necessary input lines in the third format.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>For example, starting with this index:</p>
|
||
|
</div>
|
||
|
<div class="listingblock">
|
||
|
<div class="content">
|
||
|
<pre>$ git ls-files -s
|
||
|
100644 8a1218a1024a212bb3db30becd860315f9f3ac52 0 frotz</pre>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>you can feed the following input to <code>--index-info</code>:</p>
|
||
|
</div>
|
||
|
<div class="listingblock">
|
||
|
<div class="content">
|
||
|
<pre>$ git update-index --index-info
|
||
|
0 0000000000000000000000000000000000000000 frotz
|
||
|
100644 8a1218a1024a212bb3db30becd860315f9f3ac52 1 frotz
|
||
|
100755 8a1218a1024a212bb3db30becd860315f9f3ac52 2 frotz</pre>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>The first line of the input feeds 0 as the mode to remove the
|
||
|
path; the SHA-1 does not matter as long as it is well formatted.
|
||
|
Then the second and third line feeds stage 1 and stage 2 entries
|
||
|
for that path. After the above, we would end up with this:</p>
|
||
|
</div>
|
||
|
<div class="listingblock">
|
||
|
<div class="content">
|
||
|
<pre>$ git ls-files -s
|
||
|
100644 8a1218a1024a212bb3db30becd860315f9f3ac52 1 frotz
|
||
|
100755 8a1218a1024a212bb3db30becd860315f9f3ac52 2 frotz</pre>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="sect1">
|
||
|
<h2 id="_using_assume_unchanged_bit">USING “ASSUME UNCHANGED” BIT</h2>
|
||
|
<div class="sectionbody">
|
||
|
<div class="paragraph">
|
||
|
<p>Many operations in Git depend on your filesystem to have an
|
||
|
efficient <code>lstat(2)</code> implementation, so that <code>st_mtime</code>
|
||
|
information for working tree files can be cheaply checked to see
|
||
|
if the file contents have changed from the version recorded in
|
||
|
the index file. Unfortunately, some filesystems have
|
||
|
inefficient <code>lstat(2)</code>. If your filesystem is one of them, you
|
||
|
can set "assume unchanged" bit to paths you have not changed to
|
||
|
cause Git not to do this check. Note that setting this bit on a
|
||
|
path does not mean Git will check the contents of the file to
|
||
|
see if it has changed — it makes Git to omit any checking and
|
||
|
assume it has <strong>not</strong> changed. When you make changes to working
|
||
|
tree files, you have to explicitly tell Git about it by dropping
|
||
|
"assume unchanged" bit, either before or after you modify them.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>In order to set "assume unchanged" bit, use <code>--assume-unchanged</code>
|
||
|
option. To unset, use <code>--no-assume-unchanged</code>. To see which files
|
||
|
have the "assume unchanged" bit set, use <code>git ls-files -v</code>
|
||
|
(see <a href="git-ls-files.html">git-ls-files</a>(1)).</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>The command looks at <code>core.ignorestat</code> configuration variable. When
|
||
|
this is true, paths updated with <code>git update-index paths...</code> and
|
||
|
paths updated with other Git commands that update both index and
|
||
|
working tree (e.g. <em>git apply --index</em>, <em>git checkout-index -u</em>,
|
||
|
and <em>git read-tree -u</em>) are automatically marked as "assume
|
||
|
unchanged". Note that "assume unchanged" bit is <strong>not</strong> set if
|
||
|
<code>git update-index --refresh</code> finds the working tree file matches
|
||
|
the index (use <code>git update-index --really-refresh</code> if you want
|
||
|
to mark them as "assume unchanged").</p>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="sect1">
|
||
|
<h2 id="_examples">EXAMPLES</h2>
|
||
|
<div class="sectionbody">
|
||
|
<div class="paragraph">
|
||
|
<p>To update and refresh only the files already checked out:</p>
|
||
|
</div>
|
||
|
<div class="listingblock">
|
||
|
<div class="content">
|
||
|
<pre>$ git checkout-index -n -f -a && git update-index --ignore-missing --refresh</pre>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="dlist">
|
||
|
<dl>
|
||
|
<dt class="hdlist1">On an inefficient filesystem with <code>core.ignorestat</code> set</dt>
|
||
|
<dd>
|
||
|
<div class="listingblock">
|
||
|
<div class="content">
|
||
|
<pre>$ git update-index --really-refresh <b class="conum">(1)</b>
|
||
|
$ git update-index --no-assume-unchanged foo.c <b class="conum">(2)</b>
|
||
|
$ git diff --name-only <b class="conum">(3)</b>
|
||
|
$ edit foo.c
|
||
|
$ git diff --name-only <b class="conum">(4)</b>
|
||
|
M foo.c
|
||
|
$ git update-index foo.c <b class="conum">(5)</b>
|
||
|
$ git diff --name-only <b class="conum">(6)</b>
|
||
|
$ edit foo.c
|
||
|
$ git diff --name-only <b class="conum">(7)</b>
|
||
|
$ git update-index --no-assume-unchanged foo.c <b class="conum">(8)</b>
|
||
|
$ git diff --name-only <b class="conum">(9)</b>
|
||
|
M foo.c</pre>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="colist arabic">
|
||
|
<ol>
|
||
|
<li>
|
||
|
<p>forces lstat(2) to set "assume unchanged" bits for paths that match index.</p>
|
||
|
</li>
|
||
|
<li>
|
||
|
<p>mark the path to be edited.</p>
|
||
|
</li>
|
||
|
<li>
|
||
|
<p>this does lstat(2) and finds index matches the path.</p>
|
||
|
</li>
|
||
|
<li>
|
||
|
<p>this does lstat(2) and finds index does <strong>not</strong> match the path.</p>
|
||
|
</li>
|
||
|
<li>
|
||
|
<p>registering the new version to index sets "assume unchanged" bit.</p>
|
||
|
</li>
|
||
|
<li>
|
||
|
<p>and it is assumed unchanged.</p>
|
||
|
</li>
|
||
|
<li>
|
||
|
<p>even after you edit it.</p>
|
||
|
</li>
|
||
|
<li>
|
||
|
<p>you can tell about the change after the fact.</p>
|
||
|
</li>
|
||
|
<li>
|
||
|
<p>now it checks with lstat(2) and finds it has been changed.</p>
|
||
|
</li>
|
||
|
</ol>
|
||
|
</div>
|
||
|
</dd>
|
||
|
</dl>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="sect1">
|
||
|
<h2 id="_skip_worktree_bit">SKIP-WORKTREE BIT</h2>
|
||
|
<div class="sectionbody">
|
||
|
<div class="paragraph">
|
||
|
<p>Skip-worktree bit can be defined in one (long) sentence: When reading
|
||
|
an entry, if it is marked as skip-worktree, then Git pretends its
|
||
|
working directory version is up to date and read the index version
|
||
|
instead.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>To elaborate, "reading" means checking for file existence, reading
|
||
|
file attributes or file content. The working directory version may be
|
||
|
present or absent. If present, its content may match against the index
|
||
|
version or not. Writing is not affected by this bit, content safety
|
||
|
is still first priority. Note that Git <em>can</em> update working directory
|
||
|
file, that is marked skip-worktree, if it is safe to do so (i.e.
|
||
|
working directory version matches index version)</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>Although this bit looks similar to assume-unchanged bit, its goal is
|
||
|
different from assume-unchanged bit’s. Skip-worktree also takes
|
||
|
precedence over assume-unchanged bit when both are set.</p>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="sect1">
|
||
|
<h2 id="_split_index">SPLIT INDEX</h2>
|
||
|
<div class="sectionbody">
|
||
|
<div class="paragraph">
|
||
|
<p>This mode is designed for repositories with very large indexes, and
|
||
|
aims at reducing the time it takes to repeatedly write these indexes.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>In this mode, the index is split into two files, $GIT_DIR/index and
|
||
|
$GIT_DIR/sharedindex.<SHA-1>. Changes are accumulated in
|
||
|
$GIT_DIR/index, the split index, while the shared index file contains
|
||
|
all index entries and stays unchanged.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>All changes in the split index are pushed back to the shared index
|
||
|
file when the number of entries in the split index reaches a level
|
||
|
specified by the splitIndex.maxPercentChange config variable (see
|
||
|
<a href="git-config.html">git-config</a>(1)).</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>Each time a new shared index file is created, the old shared index
|
||
|
files are deleted if their modification time is older than what is
|
||
|
specified by the splitIndex.sharedIndexExpire config variable (see
|
||
|
<a href="git-config.html">git-config</a>(1)).</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>To avoid deleting a shared index file that is still used, its
|
||
|
modification time is updated to the current time everytime a new split
|
||
|
index based on the shared index file is either created or read from.</p>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="sect1">
|
||
|
<h2 id="_untracked_cache">UNTRACKED CACHE</h2>
|
||
|
<div class="sectionbody">
|
||
|
<div class="paragraph">
|
||
|
<p>This cache is meant to speed up commands that involve determining
|
||
|
untracked files such as <code>git status</code>.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>This feature works by recording the mtime of the working tree
|
||
|
directories and then omitting reading directories and stat calls
|
||
|
against files in those directories whose mtime hasn’t changed. For
|
||
|
this to work the underlying operating system and file system must
|
||
|
change the <code>st_mtime</code> field of directories if files in the directory
|
||
|
are added, modified or deleted.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>You can test whether the filesystem supports that with the
|
||
|
<code>--test-untracked-cache</code> option. The <code>--untracked-cache</code> option used
|
||
|
to implicitly perform that test in older versions of Git, but that’s
|
||
|
no longer the case.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>If you want to enable (or disable) this feature, it is easier to use
|
||
|
the <code>core.untrackedCache</code> configuration variable (see
|
||
|
<a href="git-config.html">git-config</a>(1)) than using the <code>--untracked-cache</code> option to
|
||
|
<code>git update-index</code> in each repository, especially if you want to do so
|
||
|
across all repositories you use, because you can set the configuration
|
||
|
variable to <code>true</code> (or <code>false</code>) in your <code>$HOME/.gitconfig</code> just once
|
||
|
and have it affect all repositories you touch.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>When the <code>core.untrackedCache</code> configuration variable is changed, the
|
||
|
untracked cache is added to or removed from the index the next time a
|
||
|
command reads the index; while when <code>--[no-|force-]untracked-cache</code>
|
||
|
are used, the untracked cache is immediately added to or removed from
|
||
|
the index.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>Before 2.17, the untracked cache had a bug where replacing a directory
|
||
|
with a symlink to another directory could cause it to incorrectly show
|
||
|
files tracked by git as untracked. See the "status: add a failing test
|
||
|
showing a core.untrackedCache bug" commit to git.git. A workaround for
|
||
|
that is (and this might work for other undiscovered bugs in the
|
||
|
future):</p>
|
||
|
</div>
|
||
|
<div class="listingblock">
|
||
|
<div class="content">
|
||
|
<pre>$ git -c core.untrackedCache=false status</pre>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>This bug has also been shown to affect non-symlink cases of replacing
|
||
|
a directory with a file when it comes to the internal structures of
|
||
|
the untracked cache, but no case has been reported where this resulted in
|
||
|
wrong "git status" output.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>There are also cases where existing indexes written by git versions
|
||
|
before 2.17 will reference directories that don’t exist anymore,
|
||
|
potentially causing many "could not open directory" warnings to be
|
||
|
printed on "git status". These are new warnings for existing issues
|
||
|
that were previously silently discarded.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>As with the bug described above the solution is to one-off do a "git
|
||
|
status" run with <code>core.untrackedCache=false</code> to flush out the leftover
|
||
|
bad data.</p>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="sect1">
|
||
|
<h2 id="_file_system_monitor">FILE SYSTEM MONITOR</h2>
|
||
|
<div class="sectionbody">
|
||
|
<div class="paragraph">
|
||
|
<p>This feature is intended to speed up git operations for repos that have
|
||
|
large working directories.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>It enables git to work together with a file system monitor (see the
|
||
|
"fsmonitor-watchman" section of <a href="githooks.html">githooks</a>(5)) that can
|
||
|
inform it as to what files have been modified. This enables git to avoid
|
||
|
having to lstat() every file to find modified files.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>When used in conjunction with the untracked cache, it can further improve
|
||
|
performance by avoiding the cost of scanning the entire working directory
|
||
|
looking for new files.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>If you want to enable (or disable) this feature, it is easier to use
|
||
|
the <code>core.fsmonitor</code> configuration variable (see
|
||
|
<a href="git-config.html">git-config</a>(1)) than using the <code>--fsmonitor</code> option to
|
||
|
<code>git update-index</code> in each repository, especially if you want to do so
|
||
|
across all repositories you use, because you can set the configuration
|
||
|
variable in your <code>$HOME/.gitconfig</code> just once and have it affect all
|
||
|
repositories you touch.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>When the <code>core.fsmonitor</code> configuration variable is changed, the
|
||
|
file system monitor is added to or removed from the index the next time
|
||
|
a command reads the index. When <code>--[no-]fsmonitor</code> are used, the file
|
||
|
system monitor is immediately added to or removed from the index.</p>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="sect1">
|
||
|
<h2 id="_configuration">CONFIGURATION</h2>
|
||
|
<div class="sectionbody">
|
||
|
<div class="paragraph">
|
||
|
<p>The command honors <code>core.filemode</code> configuration variable. If
|
||
|
your repository is on a filesystem whose executable bits are
|
||
|
unreliable, this should be set to <em>false</em> (see <a href="git-config.html">git-config</a>(1)).
|
||
|
This causes the command to ignore differences in file modes recorded
|
||
|
in the index and the file mode on the filesystem if they differ only on
|
||
|
executable bit. On such an unfortunate filesystem, you may
|
||
|
need to use <em>git update-index --chmod=</em>.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>Quite similarly, if <code>core.symlinks</code> configuration variable is set
|
||
|
to <em>false</em> (see <a href="git-config.html">git-config</a>(1)), symbolic links are checked out
|
||
|
as plain files, and this command does not modify a recorded file mode
|
||
|
from symbolic link to regular file.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>The command looks at <code>core.ignorestat</code> configuration variable. See
|
||
|
<em>Using "assume unchanged" bit</em> section above.</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>The command also looks at <code>core.trustctime</code> configuration variable.
|
||
|
It can be useful when the inode change time is regularly modified by
|
||
|
something outside Git (file system crawlers and backup systems use
|
||
|
ctime for marking files processed) (see <a href="git-config.html">git-config</a>(1)).</p>
|
||
|
</div>
|
||
|
<div class="paragraph">
|
||
|
<p>The untracked cache extension can be enabled by the
|
||
|
<code>core.untrackedCache</code> configuration variable (see
|
||
|
<a href="git-config.html">git-config</a>(1)).</p>
|
||
|
</div>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div class="sect1">
|
||
|
<h2 id="_see_also">SEE ALSO</h2>
|
||
|
<div class="sectionbody">
|
||
|
<div class="paragraph">
|
||
|
<p><a href="git-config.html">git-config</a>(1),
|
||
|
<a href="git-add.html">git-add</a>(1),
|
||
|
<a href="git-ls-files.html">git-ls-files</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>
|