1169 lines
54 KiB
HTML
1169 lines
54 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>HTTP transfer protocols</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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||
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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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||
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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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.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}
|
||
|
|
table.tableblock.fit-content>caption.title{white-space:nowrap;width:0}
|
||
|
|
.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)}
|
||
|
|
table.tableblock #preamble>.sectionbody>[class="paragraph"]:first-of-type p{font-size:inherit}
|
||
|
|
.admonitionblock>table{border-collapse:separate;border:0;background:none;width:100%}
|
||
|
|
.admonitionblock>table td.icon{text-align:center;width:80px}
|
||
|
|
.admonitionblock>table td.icon img{max-width:none}
|
||
|
|
.admonitionblock>table td.icon .title{font-weight:bold;font-family:"Open Sans","DejaVu Sans",sans-serif;text-transform:uppercase}
|
||
|
|
.admonitionblock>table td.content{padding-left:1.125em;padding-right:1.25em;border-left:1px solid #dddddf;color:rgba(0,0,0,.6)}
|
||
|
|
.admonitionblock>table td.content>:last-child>:last-child{margin-bottom:0}
|
||
|
|
.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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.exampleblock>.content>:first-child{margin-top:0}
|
||
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|
.exampleblock>.content>:last-child{margin-bottom:0}
|
||
|
|
.sidebarblock{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}
|
||
|
|
.sidebarblock>:first-child{margin-top:0}
|
||
|
|
.sidebarblock>:last-child{margin-bottom:0}
|
||
|
|
.sidebarblock>.content>.title{color:#7a2518;margin-top:0;text-align:center}
|
||
|
|
.exampleblock>.content>:last-child>:last-child,.exampleblock>.content .olist>ol>li:last-child>:last-child,.exampleblock>.content .ulist>ul>li:last-child>:last-child,.exampleblock>.content .qlist>ol>li:last-child>:last-child,.sidebarblock>.content>:last-child>:last-child,.sidebarblock>.content .olist>ol>li:last-child>:last-child,.sidebarblock>.content .ulist>ul>li:last-child>:last-child,.sidebarblock>.content .qlist>ol>li:last-child>:last-child{margin-bottom:0}
|
||
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.literalblock pre,.listingblock pre:not(.highlight),.listingblock pre[class="highlight"],.listingblock pre[class^="highlight "],.listingblock pre.CodeRay,.listingblock pre.prettyprint{background:#f7f7f8}
|
||
|
|
.sidebarblock .literalblock pre,.sidebarblock .listingblock pre:not(.highlight),.sidebarblock .listingblock pre[class="highlight"],.sidebarblock .listingblock pre[class^="highlight "],.sidebarblock .listingblock pre.CodeRay,.sidebarblock .listingblock pre.prettyprint{background:#f2f1f1}
|
||
|
|
.literalblock pre,.literalblock pre[class],.listingblock pre,.listingblock pre[class]{-webkit-border-radius:4px;border-radius:4px;word-wrap:break-word;overflow-x:auto;padding:1em;font-size:.8125em}
|
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@media screen and (min-width:768px){.literalblock pre,.literalblock pre[class],.listingblock pre,.listingblock pre[class]{font-size:.90625em}}
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@media screen and (min-width:1280px){.literalblock pre,.literalblock pre[class],.listingblock pre,.listingblock pre[class]{font-size:1em}}
|
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.literalblock pre.nowrap,.literalblock pre.nowrap pre,.listingblock pre.nowrap,.listingblock pre.nowrap pre{white-space:pre;word-wrap:normal}
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.literalblock.output pre{color:#f7f7f8;background-color:rgba(0,0,0,.9)}
|
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.listingblock pre.highlightjs{padding:0}
|
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.listingblock pre.highlightjs>code{padding:1em;-webkit-border-radius:4px;border-radius:4px}
|
||
|
|
.listingblock pre.prettyprint{border-width:0}
|
||
|
|
.listingblock>.content{position:relative}
|
||
|
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.listingblock code[data-lang]::before{display:none;content:attr(data-lang);position:absolute;font-size:.75em;top:.425rem;right:.5rem;line-height:1;text-transform:uppercase;color:#999}
|
||
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.listingblock:hover code[data-lang]::before{display:block}
|
||
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.listingblock.terminal pre .command::before{content:attr(data-prompt);padding-right:.5em;color:#999}
|
||
|
|
.listingblock.terminal pre .command:not([data-prompt])::before{content:"$"}
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||
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table.pyhltable{border-collapse:separate;border:0;margin-bottom:0;background:none}
|
||
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table.pyhltable td{vertical-align:top;padding-top:0;padding-bottom:0;line-height:1.45}
|
||
|
|
table.pyhltable td.code{padding-left:.75em;padding-right:0}
|
||
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pre.pygments .lineno,table.pyhltable td:not(.code){color:#999;padding-left:0;padding-right:.5em;border-right:1px solid #dddddf}
|
||
|
|
pre.pygments .lineno{display:inline-block;margin-right:.25em}
|
||
|
|
table.pyhltable .linenodiv{background:none!important;padding-right:0!important}
|
||
|
|
.quoteblock{margin:0 1em 1.25em 1.5em;display:table}
|
||
|
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.quoteblock>.title{margin-left:-1.5em;margin-bottom:.75em}
|
||
|
|
.quoteblock blockquote,.quoteblock p{color:rgba(0,0,0,.85);font-size:1.15rem;line-height:1.75;word-spacing:.1em;letter-spacing:0;font-style:italic;text-align:justify}
|
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.quoteblock blockquote{margin:0;padding:0;border:0}
|
||
|
|
.quoteblock blockquote::before{content:"\201c";float:left;font-size:2.75em;font-weight:bold;line-height:.6em;margin-left:-.6em;color:#7a2518;text-shadow:0 1px 2px rgba(0,0,0,.1)}
|
||
|
|
.quoteblock blockquote>.paragraph:last-child p{margin-bottom:0}
|
||
|
|
.quoteblock .attribution{margin-top:.75em;margin-right:.5ex;text-align:right}
|
||
|
|
.verseblock{margin:0 1em 1.25em}
|
||
|
|
.verseblock pre{font-family:"Open Sans","DejaVu Sans",sans;font-size:1.15rem;color:rgba(0,0,0,.85);font-weight:300;text-rendering:optimizeLegibility}
|
||
|
|
.verseblock pre strong{font-weight:400}
|
||
|
|
.verseblock .attribution{margin-top:1.25rem;margin-left:.5ex}
|
||
|
|
.quoteblock .attribution,.verseblock .attribution{font-size:.9375em;line-height:1.45;font-style:italic}
|
||
|
|
.quoteblock .attribution br,.verseblock .attribution br{display:none}
|
||
|
|
.quoteblock .attribution cite,.verseblock .attribution cite{display:block;letter-spacing:-.025em;color:rgba(0,0,0,.6)}
|
||
|
|
.quoteblock.abstract blockquote::before,.quoteblock.excerpt blockquote::before,.quoteblock .quoteblock blockquote::before{display:none}
|
||
|
|
.quoteblock.abstract blockquote,.quoteblock.abstract p,.quoteblock.excerpt blockquote,.quoteblock.excerpt p,.quoteblock .quoteblock blockquote,.quoteblock .quoteblock p{line-height:1.6;word-spacing:0}
|
||
|
|
.quoteblock.abstract{margin:0 1em 1.25em;display:block}
|
||
|
|
.quoteblock.abstract>.title{margin:0 0 .375em;font-size:1.15em;text-align:center}
|
||
|
|
.quoteblock.excerpt,.quoteblock .quoteblock{margin:0 0 1.25em;padding:0 0 .25em 1em;border-left:.25em solid #dddddf}
|
||
|
|
.quoteblock.excerpt blockquote,.quoteblock.excerpt p,.quoteblock .quoteblock blockquote,.quoteblock .quoteblock p{color:inherit;font-size:1.0625rem}
|
||
|
|
.quoteblock.excerpt .attribution,.quoteblock .quoteblock .attribution{color:inherit;text-align:left;margin-right:0}
|
||
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|
table.tableblock{max-width:100%;border-collapse:separate}
|
||
|
|
p.tableblock:last-child{margin-bottom:0}
|
||
|
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td.tableblock>.content{margin-bottom:-1.25em}
|
||
|
|
table.tableblock,th.tableblock,td.tableblock{border:0 solid #dedede}
|
||
|
|
table.grid-all>thead>tr>.tableblock,table.grid-all>tbody>tr>.tableblock{border-width:0 1px 1px 0}
|
||
|
|
table.grid-all>tfoot>tr>.tableblock{border-width:1px 1px 0 0}
|
||
|
|
table.grid-cols>*>tr>.tableblock{border-width:0 1px 0 0}
|
||
|
|
table.grid-rows>thead>tr>.tableblock,table.grid-rows>tbody>tr>.tableblock{border-width:0 0 1px}
|
||
|
|
table.grid-rows>tfoot>tr>.tableblock{border-width:1px 0 0}
|
||
|
|
table.grid-all>*>tr>.tableblock:last-child,table.grid-cols>*>tr>.tableblock:last-child{border-right-width:0}
|
||
|
|
table.grid-all>tbody>tr:last-child>.tableblock,table.grid-all>thead:last-child>tr>.tableblock,table.grid-rows>tbody>tr:last-child>.tableblock,table.grid-rows>thead:last-child>tr>.tableblock{border-bottom-width:0}
|
||
|
|
table.frame-all{border-width:1px}
|
||
|
|
table.frame-sides{border-width:0 1px}
|
||
|
|
table.frame-topbot,table.frame-ends{border-width:1px 0}
|
||
|
|
table.stripes-all tr,table.stripes-odd tr:nth-of-type(odd){background:#f8f8f7}
|
||
|
|
table.stripes-none tr,table.stripes-odd tr:nth-of-type(even){background:none}
|
||
|
|
th.halign-left,td.halign-left{text-align:left}
|
||
|
|
th.halign-right,td.halign-right{text-align:right}
|
||
|
|
th.halign-center,td.halign-center{text-align:center}
|
||
|
|
th.valign-top,td.valign-top{vertical-align:top}
|
||
|
|
th.valign-bottom,td.valign-bottom{vertical-align:bottom}
|
||
|
|
th.valign-middle,td.valign-middle{vertical-align:middle}
|
||
|
|
table thead th,table tfoot th{font-weight:bold}
|
||
|
|
tbody tr th{display:table-cell;line-height:1.6;background:#f7f8f7}
|
||
|
|
tbody tr th,tbody tr th p,tfoot tr th,tfoot tr th p{color:rgba(0,0,0,.8);font-weight:bold}
|
||
|
|
p.tableblock>code:only-child{background:none;padding:0}
|
||
|
|
p.tableblock{font-size:1em}
|
||
|
|
td>div.verse{white-space:pre}
|
||
|
|
ol{margin-left:1.75em}
|
||
|
|
ul li ol{margin-left:1.5em}
|
||
|
|
dl dd{margin-left:1.125em}
|
||
|
|
dl dd:last-child,dl dd:last-child>:last-child{margin-bottom:0}
|
||
|
|
ol>li p,ul>li p,ul dd,ol dd,.olist .olist,.ulist .ulist,.ulist .olist,.olist .ulist{margin-bottom:.625em}
|
||
|
|
ul.checklist,ul.none,ol.none,ul.no-bullet,ol.no-bullet,ol.unnumbered,ul.unstyled,ol.unstyled{list-style-type:none}
|
||
|
|
ul.no-bullet,ol.no-bullet,ol.unnumbered{margin-left:.625em}
|
||
|
|
ul.unstyled,ol.unstyled{margin-left:0}
|
||
|
|
ul.checklist{margin-left:.625em}
|
||
|
|
ul.checklist li>p:first-child>.fa-square-o:first-child,ul.checklist li>p:first-child>.fa-check-square-o:first-child{width:1.25em;font-size:.8em;position:relative;bottom:.125em}
|
||
|
|
ul.checklist li>p:first-child>input[type="checkbox"]:first-child{margin-right:.25em}
|
||
|
|
ul.inline{display:-ms-flexbox;display:-webkit-box;display:flex;-ms-flex-flow:row wrap;-webkit-flex-flow:row wrap;flex-flow:row wrap;list-style:none;margin:0 0 .625em -1.25em}
|
||
|
|
ul.inline>li{margin-left:1.25em}
|
||
|
|
.unstyled dl dt{font-weight:400;font-style:normal}
|
||
|
|
ol.arabic{list-style-type:decimal}
|
||
|
|
ol.decimal{list-style-type:decimal-leading-zero}
|
||
|
|
ol.loweralpha{list-style-type:lower-alpha}
|
||
|
|
ol.upperalpha{list-style-type:upper-alpha}
|
||
|
|
ol.lowerroman{list-style-type:lower-roman}
|
||
|
|
ol.upperroman{list-style-type:upper-roman}
|
||
|
|
ol.lowergreek{list-style-type:lower-greek}
|
||
|
|
.hdlist>table,.colist>table{border:0;background:none}
|
||
|
|
.hdlist>table>tbody>tr,.colist>table>tbody>tr{background:none}
|
||
|
|
td.hdlist1,td.hdlist2{vertical-align:top;padding:0 .625em}
|
||
|
|
td.hdlist1{font-weight:bold;padding-bottom:1.25em}
|
||
|
|
.literalblock+.colist,.listingblock+.colist{margin-top:-.5em}
|
||
|
|
.colist td:not([class]):first-child{padding:.4em .75em 0;line-height:1;vertical-align:top}
|
||
|
|
.colist td:not([class]):first-child img{max-width:none}
|
||
|
|
.colist td:not([class]):last-child{padding:.25em 0}
|
||
|
|
.thumb,.th{line-height:0;display:inline-block;border:solid 4px #fff;-webkit-box-shadow:0 0 0 1px #ddd;box-shadow:0 0 0 1px #ddd}
|
||
|
|
.imageblock.left{margin:.25em .625em 1.25em 0}
|
||
|
|
.imageblock.right{margin:.25em 0 1.25em .625em}
|
||
|
|
.imageblock>.title{margin-bottom:0}
|
||
|
|
.imageblock.thumb,.imageblock.th{border-width:6px}
|
||
|
|
.imageblock.thumb>.title,.imageblock.th>.title{padding:0 .125em}
|
||
|
|
.image.left,.image.right{margin-top:.25em;margin-bottom:.25em;display:inline-block;line-height:0}
|
||
|
|
.image.left{margin-right:.625em}
|
||
|
|
.image.right{margin-left:.625em}
|
||
|
|
a.image{text-decoration:none;display:inline-block}
|
||
|
|
a.image object{pointer-events:none}
|
||
|
|
sup.footnote,sup.footnoteref{font-size:.875em;position:static;vertical-align:super}
|
||
|
|
sup.footnote a,sup.footnoteref a{text-decoration:none}
|
||
|
|
sup.footnote a:active,sup.footnoteref a:active{text-decoration:underline}
|
||
|
|
#footnotes{padding-top:.75em;padding-bottom:.75em;margin-bottom:.625em}
|
||
|
|
#footnotes hr{width:20%;min-width:6.25em;margin:-.25em 0 .75em;border-width:1px 0 0}
|
||
|
|
#footnotes .footnote{padding:0 .375em 0 .225em;line-height:1.3334;font-size:.875em;margin-left:1.2em;margin-bottom:.2em}
|
||
|
|
#footnotes .footnote a:first-of-type{font-weight:bold;text-decoration:none;margin-left:-1.05em}
|
||
|
|
#footnotes .footnote:last-of-type{margin-bottom:0}
|
||
|
|
#content #footnotes{margin-top:-.625em;margin-bottom:0;padding:.75em 0}
|
||
|
|
.gist .file-data>table{border:0;background:#fff;width:100%;margin-bottom:0}
|
||
|
|
.gist .file-data>table td.line-data{width:99%}
|
||
|
|
div.unbreakable{page-break-inside:avoid}
|
||
|
|
.big{font-size:larger}
|
||
|
|
.small{font-size:smaller}
|
||
|
|
.underline{text-decoration:underline}
|
||
|
|
.overline{text-decoration:overline}
|
||
|
|
.line-through{text-decoration:line-through}
|
||
|
|
.aqua{color:#00bfbf}
|
||
|
|
.aqua-background{background-color:#00fafa}
|
||
|
|
.black{color:#000}
|
||
|
|
.black-background{background-color:#000}
|
||
|
|
.blue{color:#0000bf}
|
||
|
|
.blue-background{background-color:#0000fa}
|
||
|
|
.fuchsia{color:#bf00bf}
|
||
|
|
.fuchsia-background{background-color:#fa00fa}
|
||
|
|
.gray{color:#606060}
|
||
|
|
.gray-background{background-color:#7d7d7d}
|
||
|
|
.green{color:#006000}
|
||
|
|
.green-background{background-color:#007d00}
|
||
|
|
.lime{color:#00bf00}
|
||
|
|
.lime-background{background-color:#00fa00}
|
||
|
|
.maroon{color:#600000}
|
||
|
|
.maroon-background{background-color:#7d0000}
|
||
|
|
.navy{color:#000060}
|
||
|
|
.navy-background{background-color:#00007d}
|
||
|
|
.olive{color:#606000}
|
||
|
|
.olive-background{background-color:#7d7d00}
|
||
|
|
.purple{color:#600060}
|
||
|
|
.purple-background{background-color:#7d007d}
|
||
|
|
.red{color:#bf0000}
|
||
|
|
.red-background{background-color:#fa0000}
|
||
|
|
.silver{color:#909090}
|
||
|
|
.silver-background{background-color:#bcbcbc}
|
||
|
|
.teal{color:#006060}
|
||
|
|
.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}
|
||
|
|
.admonitionblock td.icon [class^="fa icon-"]{font-size:2.5em;text-shadow:1px 1px 2px rgba(0,0,0,.5);cursor:default}
|
||
|
|
.admonitionblock td.icon .icon-note::before{content:"\f05a";color:#19407c}
|
||
|
|
.admonitionblock td.icon .icon-tip::before{content:"\f0eb";text-shadow:1px 1px 2px rgba(155,155,0,.8);color:#111}
|
||
|
|
.admonitionblock td.icon .icon-warning::before{content:"\f071";color:#bf6900}
|
||
|
|
.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="article">
|
||
|
|
<div id="header">
|
||
|
|
<h1>HTTP transfer protocols</h1>
|
||
|
|
</div>
|
||
|
|
<div id="content">
|
||
|
|
<div id="preamble">
|
||
|
|
<div class="sectionbody">
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Git supports two HTTP based transfer protocols. A "dumb" protocol
|
||
|
|
which requires only a standard HTTP server on the server end of the
|
||
|
|
connection, and a "smart" protocol which requires a Git aware CGI
|
||
|
|
(or server module). This document describes both protocols.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>As a design feature smart clients can automatically upgrade "dumb"
|
||
|
|
protocol URLs to smart URLs. This permits all users to have the
|
||
|
|
same published URL, and the peers automatically select the most
|
||
|
|
efficient transport available to them.</p>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="sect1">
|
||
|
|
<h2 id="_url_format">URL Format</h2>
|
||
|
|
<div class="sectionbody">
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>URLs for Git repositories accessed by HTTP use the standard HTTP
|
||
|
|
URL syntax documented by RFC 1738, so they are of the form:</p>
|
||
|
|
</div>
|
||
|
|
<div class="literalblock">
|
||
|
|
<div class="content">
|
||
|
|
<pre>http://<host>:<port>/<path>?<searchpart></pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Within this documentation the placeholder <code>$GIT_URL</code> will stand for
|
||
|
|
the http:// repository URL entered by the end-user.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Servers SHOULD handle all requests to locations matching <code>$GIT_URL</code>, as
|
||
|
|
both the "smart" and "dumb" HTTP protocols used by Git operate
|
||
|
|
by appending additional path components onto the end of the user
|
||
|
|
supplied <code>$GIT_URL</code> string.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>An example of a dumb client requesting for a loose object:</p>
|
||
|
|
</div>
|
||
|
|
<div class="literalblock">
|
||
|
|
<div class="content">
|
||
|
|
<pre>$GIT_URL: http://example.com:8080/git/repo.git
|
||
|
|
URL request: http://example.com:8080/git/repo.git/objects/d0/49f6c27a2244e12041955e262a404c7faba355</pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>An example of a smart request to a catch-all gateway:</p>
|
||
|
|
</div>
|
||
|
|
<div class="literalblock">
|
||
|
|
<div class="content">
|
||
|
|
<pre>$GIT_URL: http://example.com/daemon.cgi?svc=git&q=
|
||
|
|
URL request: http://example.com/daemon.cgi?svc=git&q=/info/refs&service=git-receive-pack</pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>An example of a request to a submodule:</p>
|
||
|
|
</div>
|
||
|
|
<div class="literalblock">
|
||
|
|
<div class="content">
|
||
|
|
<pre>$GIT_URL: http://example.com/git/repo.git/path/submodule.git
|
||
|
|
URL request: http://example.com/git/repo.git/path/submodule.git/info/refs</pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Clients MUST strip a trailing <code>/</code>, if present, from the user supplied
|
||
|
|
<code>$GIT_URL</code> string to prevent empty path tokens (<code>//</code>) from appearing
|
||
|
|
in any URL sent to a server. Compatible clients MUST expand
|
||
|
|
<code>$GIT_URL/info/refs</code> as <code>foo/info/refs</code> and not <code>foo//info/refs</code>.</p>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="sect1">
|
||
|
|
<h2 id="_authentication">Authentication</h2>
|
||
|
|
<div class="sectionbody">
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Standard HTTP authentication is used if authentication is required
|
||
|
|
to access a repository, and MAY be configured and enforced by the
|
||
|
|
HTTP server software.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Because Git repositories are accessed by standard path components
|
||
|
|
server administrators MAY use directory based permissions within
|
||
|
|
their HTTP server to control repository access.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Clients SHOULD support Basic authentication as described by RFC 2617.
|
||
|
|
Servers SHOULD support Basic authentication by relying upon the
|
||
|
|
HTTP server placed in front of the Git server software.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Servers SHOULD NOT require HTTP cookies for the purposes of
|
||
|
|
authentication or access control.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Clients and servers MAY support other common forms of HTTP based
|
||
|
|
authentication, such as Digest authentication.</p>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="sect1">
|
||
|
|
<h2 id="_ssl">SSL</h2>
|
||
|
|
<div class="sectionbody">
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Clients and servers SHOULD support SSL, particularly to protect
|
||
|
|
passwords when relying on Basic HTTP authentication.</p>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="sect1">
|
||
|
|
<h2 id="_session_state">Session State</h2>
|
||
|
|
<div class="sectionbody">
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>The Git over HTTP protocol (much like HTTP itself) is stateless
|
||
|
|
from the perspective of the HTTP server side. All state MUST be
|
||
|
|
retained and managed by the client process. This permits simple
|
||
|
|
round-robin load-balancing on the server side, without needing to
|
||
|
|
worry about state management.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Clients MUST NOT require state management on the server side in
|
||
|
|
order to function correctly.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Servers MUST NOT require HTTP cookies in order to function correctly.
|
||
|
|
Clients MAY store and forward HTTP cookies during request processing
|
||
|
|
as described by RFC 2616 (HTTP/1.1). Servers SHOULD ignore any
|
||
|
|
cookies sent by a client.</p>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="sect1">
|
||
|
|
<h2 id="_general_request_processing">General Request Processing</h2>
|
||
|
|
<div class="sectionbody">
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Except where noted, all standard HTTP behavior SHOULD be assumed
|
||
|
|
by both client and server. This includes (but is not necessarily
|
||
|
|
limited to):</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>If there is no repository at <code>$GIT_URL</code>, or the resource pointed to by a
|
||
|
|
location matching <code>$GIT_URL</code> does not exist, the server MUST NOT respond
|
||
|
|
with <code>200 OK</code> response. A server SHOULD respond with
|
||
|
|
<code>404 Not Found</code>, <code>410 Gone</code>, or any other suitable HTTP status code
|
||
|
|
which does not imply the resource exists as requested.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>If there is a repository at <code>$GIT_URL</code>, but access is not currently
|
||
|
|
permitted, the server MUST respond with the <code>403 Forbidden</code> HTTP
|
||
|
|
status code.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Servers SHOULD support both HTTP 1.0 and HTTP 1.1.
|
||
|
|
Servers SHOULD support chunked encoding for both request and response
|
||
|
|
bodies.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Clients SHOULD support both HTTP 1.0 and HTTP 1.1.
|
||
|
|
Clients SHOULD support chunked encoding for both request and response
|
||
|
|
bodies.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Servers MAY return ETag and/or Last-Modified headers.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Clients MAY revalidate cached entities by including If-Modified-Since
|
||
|
|
and/or If-None-Match request headers.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Servers MAY return <code>304 Not Modified</code> if the relevant headers appear
|
||
|
|
in the request and the entity has not changed. Clients MUST treat
|
||
|
|
<code>304 Not Modified</code> identical to <code>200 OK</code> by reusing the cached entity.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Clients MAY reuse a cached entity without revalidation if the
|
||
|
|
Cache-Control and/or Expires header permits caching. Clients and
|
||
|
|
servers MUST follow RFC 2616 for cache controls.</p>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="sect1">
|
||
|
|
<h2 id="_discovering_references">Discovering References</h2>
|
||
|
|
<div class="sectionbody">
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>All HTTP clients MUST begin either a fetch or a push exchange by
|
||
|
|
discovering the references available on the remote repository.</p>
|
||
|
|
</div>
|
||
|
|
<div class="sect2">
|
||
|
|
<h3 id="_dumb_clients">Dumb Clients</h3>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>HTTP clients that only support the "dumb" protocol MUST discover
|
||
|
|
references by making a request for the special info/refs file of
|
||
|
|
the repository.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Dumb HTTP clients MUST make a <code>GET</code> request to <code>$GIT_URL/info/refs</code>,
|
||
|
|
without any search/query parameters.</p>
|
||
|
|
</div>
|
||
|
|
<div class="literalblock">
|
||
|
|
<div class="content">
|
||
|
|
<pre>C: GET $GIT_URL/info/refs HTTP/1.0</pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="literalblock">
|
||
|
|
<div class="content">
|
||
|
|
<pre>S: 200 OK
|
||
|
|
S:
|
||
|
|
S: 95dcfa3633004da0049d3d0fa03f80589cbcaf31 refs/heads/maint
|
||
|
|
S: d049f6c27a2244e12041955e262a404c7faba355 refs/heads/master
|
||
|
|
S: 2cb58b79488a98d2721cea644875a8dd0026b115 refs/tags/v1.0
|
||
|
|
S: a3c2e2402b99163d1d59756e5f207ae21cccba4c refs/tags/v1.0^{}</pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>The Content-Type of the returned info/refs entity SHOULD be
|
||
|
|
<code>text/plain; charset=utf-8</code>, but MAY be any content type.
|
||
|
|
Clients MUST NOT attempt to validate the returned Content-Type.
|
||
|
|
Dumb servers MUST NOT return a return type starting with
|
||
|
|
<code>application/x-git-</code>.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Cache-Control headers MAY be returned to disable caching of the
|
||
|
|
returned entity.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>When examining the response clients SHOULD only examine the HTTP
|
||
|
|
status code. Valid responses are <code>200 OK</code>, or <code>304 Not Modified</code>.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>The returned content is a UNIX formatted text file describing
|
||
|
|
each ref and its known value. The file SHOULD be sorted by name
|
||
|
|
according to the C locale ordering. The file SHOULD NOT include
|
||
|
|
the default ref named <code>HEAD</code>.</p>
|
||
|
|
</div>
|
||
|
|
<div class="literalblock">
|
||
|
|
<div class="content">
|
||
|
|
<pre>info_refs = *( ref_record )
|
||
|
|
ref_record = any_ref / peeled_ref</pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="literalblock">
|
||
|
|
<div class="content">
|
||
|
|
<pre>any_ref = obj-id HTAB refname LF
|
||
|
|
peeled_ref = obj-id HTAB refname LF
|
||
|
|
obj-id HTAB refname "^{}" LF</pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="sect2">
|
||
|
|
<h3 id="_smart_clients">Smart Clients</h3>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>HTTP clients that support the "smart" protocol (or both the
|
||
|
|
"smart" and "dumb" protocols) MUST discover references by making
|
||
|
|
a parameterized request for the info/refs file of the repository.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>The request MUST contain exactly one query parameter,
|
||
|
|
<code>service=$servicename</code>, where <code>$servicename</code> MUST be the service
|
||
|
|
name the client wishes to contact to complete the operation.
|
||
|
|
The request MUST NOT contain additional query parameters.</p>
|
||
|
|
</div>
|
||
|
|
<div class="literalblock">
|
||
|
|
<div class="content">
|
||
|
|
<pre>C: GET $GIT_URL/info/refs?service=git-upload-pack HTTP/1.0</pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>dumb server reply:</p>
|
||
|
|
</div>
|
||
|
|
<div class="literalblock">
|
||
|
|
<div class="content">
|
||
|
|
<pre>S: 200 OK
|
||
|
|
S:
|
||
|
|
S: 95dcfa3633004da0049d3d0fa03f80589cbcaf31 refs/heads/maint
|
||
|
|
S: d049f6c27a2244e12041955e262a404c7faba355 refs/heads/master
|
||
|
|
S: 2cb58b79488a98d2721cea644875a8dd0026b115 refs/tags/v1.0
|
||
|
|
S: a3c2e2402b99163d1d59756e5f207ae21cccba4c refs/tags/v1.0^{}</pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>smart server reply:</p>
|
||
|
|
</div>
|
||
|
|
<div class="literalblock">
|
||
|
|
<div class="content">
|
||
|
|
<pre>S: 200 OK
|
||
|
|
S: Content-Type: application/x-git-upload-pack-advertisement
|
||
|
|
S: Cache-Control: no-cache
|
||
|
|
S:
|
||
|
|
S: 001e# service=git-upload-pack\n
|
||
|
|
S: 0000
|
||
|
|
S: 004895dcfa3633004da0049d3d0fa03f80589cbcaf31 refs/heads/maint\0multi_ack\n
|
||
|
|
S: 0042d049f6c27a2244e12041955e262a404c7faba355 refs/heads/master\n
|
||
|
|
S: 003c2cb58b79488a98d2721cea644875a8dd0026b115 refs/tags/v1.0\n
|
||
|
|
S: 003fa3c2e2402b99163d1d59756e5f207ae21cccba4c refs/tags/v1.0^{}\n
|
||
|
|
S: 0000</pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>The client may send Extra Parameters (see
|
||
|
|
Documentation/technical/pack-protocol.txt) as a colon-separated string
|
||
|
|
in the Git-Protocol HTTP header.</p>
|
||
|
|
</div>
|
||
|
|
<div class="sect3">
|
||
|
|
<h4 id="_dumb_server_response">Dumb Server Response</h4>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Dumb servers MUST respond with the dumb server reply format.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>See the prior section under dumb clients for a more detailed
|
||
|
|
description of the dumb server response.</p>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="sect3">
|
||
|
|
<h4 id="_smart_server_response">Smart Server Response</h4>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>If the server does not recognize the requested service name, or the
|
||
|
|
requested service name has been disabled by the server administrator,
|
||
|
|
the server MUST respond with the <code>403 Forbidden</code> HTTP status code.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Otherwise, smart servers MUST respond with the smart server reply
|
||
|
|
format for the requested service name.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Cache-Control headers SHOULD be used to disable caching of the
|
||
|
|
returned entity.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>The Content-Type MUST be <code>application/x-$servicename-advertisement</code>.
|
||
|
|
Clients SHOULD fall back to the dumb protocol if another content
|
||
|
|
type is returned. When falling back to the dumb protocol clients
|
||
|
|
SHOULD NOT make an additional request to <code>$GIT_URL/info/refs</code>, but
|
||
|
|
instead SHOULD use the response already in hand. Clients MUST NOT
|
||
|
|
continue if they do not support the dumb protocol.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Clients MUST validate the status code is either <code>200 OK</code> or
|
||
|
|
<code>304 Not Modified</code>.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Clients MUST validate the first five bytes of the response entity
|
||
|
|
matches the regex <code>^[0-9a-f]{4}#</code>. If this test fails, clients
|
||
|
|
MUST NOT continue.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Clients MUST parse the entire response as a sequence of pkt-line
|
||
|
|
records.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Clients MUST verify the first pkt-line is <code># service=$servicename</code>.
|
||
|
|
Servers MUST set $servicename to be the request parameter value.
|
||
|
|
Servers SHOULD include an LF at the end of this line.
|
||
|
|
Clients MUST ignore an LF at the end of the line.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Servers MUST terminate the response with the magic <code>0000</code> end
|
||
|
|
pkt-line marker.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>The returned response is a pkt-line stream describing each ref and
|
||
|
|
its known value. The stream SHOULD be sorted by name according to
|
||
|
|
the C locale ordering. The stream SHOULD include the default ref
|
||
|
|
named <code>HEAD</code> as the first ref. The stream MUST include capability
|
||
|
|
declarations behind a NUL on the first ref.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>The returned response contains "version 1" if "version=1" was sent as an
|
||
|
|
Extra Parameter.</p>
|
||
|
|
</div>
|
||
|
|
<div class="literalblock">
|
||
|
|
<div class="content">
|
||
|
|
<pre>smart_reply = PKT-LINE("# service=$servicename" LF)
|
||
|
|
"0000"
|
||
|
|
*1("version 1")
|
||
|
|
ref_list
|
||
|
|
"0000"
|
||
|
|
ref_list = empty_list / non_empty_list</pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="literalblock">
|
||
|
|
<div class="content">
|
||
|
|
<pre>empty_list = PKT-LINE(zero-id SP "capabilities^{}" NUL cap-list LF)</pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="literalblock">
|
||
|
|
<div class="content">
|
||
|
|
<pre>non_empty_list = PKT-LINE(obj-id SP name NUL cap_list LF)
|
||
|
|
*ref_record</pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="literalblock">
|
||
|
|
<div class="content">
|
||
|
|
<pre>cap-list = capability *(SP capability)
|
||
|
|
capability = 1*(LC_ALPHA / DIGIT / "-" / "_")
|
||
|
|
LC_ALPHA = %x61-7A</pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="literalblock">
|
||
|
|
<div class="content">
|
||
|
|
<pre>ref_record = any_ref / peeled_ref
|
||
|
|
any_ref = PKT-LINE(obj-id SP name LF)
|
||
|
|
peeled_ref = PKT-LINE(obj-id SP name LF)
|
||
|
|
PKT-LINE(obj-id SP name "^{}" LF</pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="sect1">
|
||
|
|
<h2 id="_smart_service_git_upload_pack">Smart Service git-upload-pack</h2>
|
||
|
|
<div class="sectionbody">
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>This service reads from the repository pointed to by <code>$GIT_URL</code>.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Clients MUST first perform ref discovery with
|
||
|
|
<code>$GIT_URL/info/refs?service=git-upload-pack</code>.</p>
|
||
|
|
</div>
|
||
|
|
<div class="literalblock">
|
||
|
|
<div class="content">
|
||
|
|
<pre>C: POST $GIT_URL/git-upload-pack HTTP/1.0
|
||
|
|
C: Content-Type: application/x-git-upload-pack-request
|
||
|
|
C:
|
||
|
|
C: 0032want 0a53e9ddeaddad63ad106860237bbf53411d11a7\n
|
||
|
|
C: 0032have 441b40d833fdfa93eb2908e52742248faf0ee993\n
|
||
|
|
C: 0000</pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="literalblock">
|
||
|
|
<div class="content">
|
||
|
|
<pre>S: 200 OK
|
||
|
|
S: Content-Type: application/x-git-upload-pack-result
|
||
|
|
S: Cache-Control: no-cache
|
||
|
|
S:
|
||
|
|
S: ....ACK %s, continue
|
||
|
|
S: ....NAK</pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Clients MUST NOT reuse or revalidate a cached response.
|
||
|
|
Servers MUST include sufficient Cache-Control headers
|
||
|
|
to prevent caching of the response.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Servers SHOULD support all capabilities defined here.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Clients MUST send at least one "want" command in the request body.
|
||
|
|
Clients MUST NOT reference an id in a "want" command which did not
|
||
|
|
appear in the response obtained through ref discovery unless the
|
||
|
|
server advertises capability <code>allow-tip-sha1-in-want</code> or
|
||
|
|
<code>allow-reachable-sha1-in-want</code>.</p>
|
||
|
|
</div>
|
||
|
|
<div class="literalblock">
|
||
|
|
<div class="content">
|
||
|
|
<pre>compute_request = want_list
|
||
|
|
have_list
|
||
|
|
request_end
|
||
|
|
request_end = "0000" / "done"</pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="literalblock">
|
||
|
|
<div class="content">
|
||
|
|
<pre>want_list = PKT-LINE(want SP cap_list LF)
|
||
|
|
*(want_pkt)
|
||
|
|
want_pkt = PKT-LINE(want LF)
|
||
|
|
want = "want" SP id
|
||
|
|
cap_list = capability *(SP capability)</pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="literalblock">
|
||
|
|
<div class="content">
|
||
|
|
<pre>have_list = *PKT-LINE("have" SP id LF)</pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>TODO: Document this further.</p>
|
||
|
|
</div>
|
||
|
|
<div class="sect2">
|
||
|
|
<h3 id="_the_negotiation_algorithm">The Negotiation Algorithm</h3>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>The computation to select the minimal pack proceeds as follows
|
||
|
|
(C = client, S = server):</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p><em>init step:</em></p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>C: Use ref discovery to obtain the advertised refs.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>C: Place any object seen into set <code>advertised</code>.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>C: Build an empty set, <code>common</code>, to hold the objects that are later
|
||
|
|
determined to be on both ends.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>C: Build a set, <code>want</code>, of the objects from <code>advertised</code> the client
|
||
|
|
wants to fetch, based on what it saw during ref discovery.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>C: Start a queue, <code>c_pending</code>, ordered by commit time (popping newest
|
||
|
|
first). Add all client refs. When a commit is popped from
|
||
|
|
the queue its parents SHOULD be automatically inserted back.
|
||
|
|
Commits MUST only enter the queue once.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p><em>one compute step:</em></p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>C: Send one <code>$GIT_URL/git-upload-pack</code> request:</p>
|
||
|
|
</div>
|
||
|
|
<div class="literalblock">
|
||
|
|
<div class="content">
|
||
|
|
<pre>C: 0032want <want #1>...............................
|
||
|
|
C: 0032want <want #2>...............................
|
||
|
|
....
|
||
|
|
C: 0032have <common #1>.............................
|
||
|
|
C: 0032have <common #2>.............................
|
||
|
|
....
|
||
|
|
C: 0032have <have #1>...............................
|
||
|
|
C: 0032have <have #2>...............................
|
||
|
|
....
|
||
|
|
C: 0000</pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>The stream is organized into "commands", with each command
|
||
|
|
appearing by itself in a pkt-line. Within a command line,
|
||
|
|
the text leading up to the first space is the command name,
|
||
|
|
and the remainder of the line to the first LF is the value.
|
||
|
|
Command lines are terminated with an LF as the last byte of
|
||
|
|
the pkt-line value.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Commands MUST appear in the following order, if they appear
|
||
|
|
at all in the request stream:</p>
|
||
|
|
</div>
|
||
|
|
<div class="ulist">
|
||
|
|
<ul>
|
||
|
|
<li>
|
||
|
|
<p>"want"</p>
|
||
|
|
</li>
|
||
|
|
<li>
|
||
|
|
<p>"have"</p>
|
||
|
|
</li>
|
||
|
|
</ul>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>The stream is terminated by a pkt-line flush (<code>0000</code>).</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>A single "want" or "have" command MUST have one hex formatted
|
||
|
|
SHA-1 as its value. Multiple SHA-1s MUST be sent by sending
|
||
|
|
multiple commands.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>The <code>have</code> list is created by popping the first 32 commits
|
||
|
|
from <code>c_pending</code>. Less can be supplied if <code>c_pending</code> empties.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>If the client has sent 256 "have" commits and has not yet
|
||
|
|
received one of those back from <code>s_common</code>, or the client has
|
||
|
|
emptied <code>c_pending</code> it SHOULD include a "done" command to let
|
||
|
|
the server know it won’t proceed:</p>
|
||
|
|
</div>
|
||
|
|
<div class="literalblock">
|
||
|
|
<div class="content">
|
||
|
|
<pre>C: 0009done</pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>S: Parse the git-upload-pack request:</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Verify all objects in <code>want</code> are directly reachable from refs.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>The server MAY walk backwards through history or through
|
||
|
|
the reflog to permit slightly stale requests.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>If no "want" objects are received, send an error:
|
||
|
|
TODO: Define error if no "want" lines are requested.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>If any "want" object is not reachable, send an error:
|
||
|
|
TODO: Define error if an invalid "want" is requested.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Create an empty list, <code>s_common</code>.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>If "have" was sent:</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Loop through the objects in the order supplied by the client.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>For each object, if the server has the object reachable from
|
||
|
|
a ref, add it to <code>s_common</code>. If a commit is added to <code>s_common</code>,
|
||
|
|
do not add any ancestors, even if they also appear in <code>have</code>.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>S: Send the git-upload-pack response:</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>If the server has found a closed set of objects to pack or the
|
||
|
|
request ends with "done", it replies with the pack.
|
||
|
|
TODO: Document the pack based response</p>
|
||
|
|
</div>
|
||
|
|
<div class="literalblock">
|
||
|
|
<div class="content">
|
||
|
|
<pre>S: PACK...</pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>The returned stream is the side-band-64k protocol supported
|
||
|
|
by the git-upload-pack service, and the pack is embedded into
|
||
|
|
stream 1. Progress messages from the server side MAY appear
|
||
|
|
in stream 2.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Here a "closed set of objects" is defined to have at least
|
||
|
|
one path from every "want" to at least one "common" object.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>If the server needs more information, it replies with a
|
||
|
|
status continue response:
|
||
|
|
TODO: Document the non-pack response</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>C: Parse the upload-pack response:
|
||
|
|
TODO: Document parsing response</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p><em>Do another compute step.</em></p>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="sect1">
|
||
|
|
<h2 id="_smart_service_git_receive_pack">Smart Service git-receive-pack</h2>
|
||
|
|
<div class="sectionbody">
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>This service reads from the repository pointed to by <code>$GIT_URL</code>.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Clients MUST first perform ref discovery with
|
||
|
|
<code>$GIT_URL/info/refs?service=git-receive-pack</code>.</p>
|
||
|
|
</div>
|
||
|
|
<div class="literalblock">
|
||
|
|
<div class="content">
|
||
|
|
<pre>C: POST $GIT_URL/git-receive-pack HTTP/1.0
|
||
|
|
C: Content-Type: application/x-git-receive-pack-request
|
||
|
|
C:
|
||
|
|
C: ....0a53e9ddeaddad63ad106860237bbf53411d11a7 441b40d833fdfa93eb2908e52742248faf0ee993 refs/heads/maint\0 report-status
|
||
|
|
C: 0000
|
||
|
|
C: PACK....</pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="literalblock">
|
||
|
|
<div class="content">
|
||
|
|
<pre>S: 200 OK
|
||
|
|
S: Content-Type: application/x-git-receive-pack-result
|
||
|
|
S: Cache-Control: no-cache
|
||
|
|
S:
|
||
|
|
S: ....</pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Clients MUST NOT reuse or revalidate a cached response.
|
||
|
|
Servers MUST include sufficient Cache-Control headers
|
||
|
|
to prevent caching of the response.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Servers SHOULD support all capabilities defined here.</p>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>Clients MUST send at least one command in the request body.
|
||
|
|
Within the command portion of the request body clients SHOULD send
|
||
|
|
the id obtained through ref discovery as old_id.</p>
|
||
|
|
</div>
|
||
|
|
<div class="literalblock">
|
||
|
|
<div class="content">
|
||
|
|
<pre>update_request = command_list
|
||
|
|
"PACK" <binary data></pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="literalblock">
|
||
|
|
<div class="content">
|
||
|
|
<pre>command_list = PKT-LINE(command NUL cap_list LF)
|
||
|
|
*(command_pkt)
|
||
|
|
command_pkt = PKT-LINE(command LF)
|
||
|
|
cap_list = *(SP capability) SP</pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="literalblock">
|
||
|
|
<div class="content">
|
||
|
|
<pre>command = create / delete / update
|
||
|
|
create = zero-id SP new_id SP name
|
||
|
|
delete = old_id SP zero-id SP name
|
||
|
|
update = old_id SP new_id SP name</pre>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="paragraph">
|
||
|
|
<p>TODO: Document this further.</p>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="sect1">
|
||
|
|
<h2 id="_references">References</h2>
|
||
|
|
<div class="sectionbody">
|
||
|
|
<div class="paragraph">
|
||
|
|
<p><a href="http://www.ietf.org/rfc/rfc1738.txt">RFC 1738: Uniform Resource Locators (URL)</a>
|
||
|
|
<a href="http://www.ietf.org/rfc/rfc2616.txt">RFC 2616: Hypertext Transfer Protocol — HTTP/1.1</a>
|
||
|
|
link:technical/pack-protocol.html
|
||
|
|
link:technical/protocol-capabilities.html</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>
|