git-daemon.html

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   5 <head>
   6 <meta http-equiv="Content-Type" content="application/xhtml+xml; charset=UTF-8" />
   7 <meta name="generator" content="AsciiDoc 10.2.0" />
   8 <title>git-daemon(1)</title>
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 544 /////////////////////////////////////////////////////////////////////
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 546 /////////////////////////////////////////////////////////////////////
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 548 /* Author: Mihai Bazon, September 2002
 549  * http://students.infoiasi.ro/~mishoo
 550  *
 551  * Table Of Content generator
 552  * Version: 0.4
 553  *
 554  * Feel free to use this script under the terms of the GNU General Public
 555  * License, as long as you do not remove or alter this notice.
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 557
 558  /* modified by Troy D. Hanson, September 2006. License: GPL */
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 732 /*]]>*/
 733 </script>
 734 </head>
 735 <body class="manpage">
 736 <div id="header">
 737 <h1>
 738 git-daemon(1) Manual Page
 739 </h1>
 740 <h2>NAME</h2>
 741 <div class="sectionbody">
 742 <p>git-daemon -
 743    A really simple server for Git repositories
 744 </p>
 745 </div>
 746 </div>
 747 <div id="content">
 748 <div class="sect1">
 749 <h2 id="_synopsis">SYNOPSIS</h2>
 750 <div class="sectionbody">
 751 <div class="verseblock">
 752 <pre class="content"><em>git daemon</em> [--verbose] [--syslog] [--export-all]
 753              [--timeout=&lt;n&gt;] [--init-timeout=&lt;n&gt;] [--max-connections=&lt;n&gt;]
 754              [--strict-paths] [--base-path=&lt;path&gt;] [--base-path-relaxed]
 755              [--user-path | --user-path=&lt;path&gt;]
 756              [--interpolated-path=&lt;pathtemplate&gt;]
 757              [--reuseaddr] [--detach] [--pid-file=&lt;file&gt;]
 758              [--enable=&lt;service&gt;] [--disable=&lt;service&gt;]
 759              [--allow-override=&lt;service&gt;] [--forbid-override=&lt;service&gt;]
 760              [--access-hook=&lt;path&gt;] [--[no-]informative-errors]
 761              [--inetd |
 762               [--listen=&lt;host_or_ipaddr&gt;] [--port=&lt;n&gt;]
 763               [--user=&lt;user&gt; [--group=&lt;group&gt;]]]
 764              [--log-destination=(stderr|syslog|none)]
 765              [&lt;directory&gt;&#8230;]</pre>
 766 <div class="attribution">
 767 </div></div>
 768 </div>
 769 </div>
 770 <div class="sect1">
 771 <h2 id="_description">DESCRIPTION</h2>
 772 <div class="sectionbody">
 773 <div class="paragraph"><p>A really simple TCP Git daemon that normally listens on port "DEFAULT_GIT_PORT"
 774 aka 9418.  It waits for a connection asking for a service, and will serve
 775 that service if it is enabled.</p></div>
 776 <div class="paragraph"><p>It verifies that the directory has the magic file "git-daemon-export-ok", and
 777 it will refuse to export any Git directory that hasn&#8217;t explicitly been marked
 778 for export this way (unless the <code>--export-all</code> parameter is specified). If you
 779 pass some directory paths as <em>git daemon</em> arguments, the offers are limited to
 780 repositories within those directories.</p></div>
 781 <div class="paragraph"><p>By default, only <code>upload-pack</code> service is enabled, which serves
 782 <em>git fetch-pack</em> and <em>git ls-remote</em> clients, which are invoked
 783 from <em>git fetch</em>, <em>git pull</em>, and <em>git clone</em>.</p></div>
 784 <div class="paragraph"><p>This is ideally suited for read-only updates, i.e., pulling from
 785 Git repositories.</p></div>
 786 <div class="paragraph"><p>An <code>upload-archive</code> also exists to serve <em>git archive</em>.</p></div>
 787 </div>
 788 </div>
 789 <div class="sect1">
 790 <h2 id="_options">OPTIONS</h2>
 791 <div class="sectionbody">
 792 <div class="dlist"><dl>
 793 <dt class="hdlist1">
 794 --strict-paths
 795 </dt>
 796 <dd>
 797 <p>
 798         Match paths exactly (i.e. don&#8217;t allow "/foo/repo" when the real path is
 799         "/foo/repo.git" or "/foo/repo/.git") and don&#8217;t do user-relative paths.
 800         <em>git daemon</em> will refuse to start when this option is enabled and no
 801         directory arguments are provided.
 802 </p>
 803 </dd>
 804 <dt class="hdlist1">
 805 --base-path=&lt;path&gt;
 806 </dt>
 807 <dd>
 808 <p>
 809         Remap all the path requests as relative to the given path.
 810         This is sort of "Git root" - if you run <em>git daemon</em> with
 811         <em>--base-path=/srv/git</em> on example.com, then if you later try to pull
 812         <em>git://example.com/hello.git</em>, <em>git daemon</em> will interpret the path
 813         as <code>/srv/git/hello.git</code>.
 814 </p>
 815 </dd>
 816 <dt class="hdlist1">
 817 --base-path-relaxed
 818 </dt>
 819 <dd>
 820 <p>
 821         If --base-path is enabled and repo lookup fails, with this option
 822         <em>git daemon</em> will attempt to lookup without prefixing the base path.
 823         This is useful for switching to --base-path usage, while still
 824         allowing the old paths.
 825 </p>
 826 </dd>
 827 <dt class="hdlist1">
 828 --interpolated-path=&lt;pathtemplate&gt;
 829 </dt>
 830 <dd>
 831 <p>
 832         To support virtual hosting, an interpolated path template can be
 833         used to dynamically construct alternate paths.  The template
 834         supports %H for the target hostname as supplied by the client but
 835         converted to all lowercase, %CH for the canonical hostname,
 836         %IP for the server&#8217;s IP address, %P for the port number,
 837         and %D for the absolute path of the named repository.
 838         After interpolation, the path is validated against the directory
 839         list.
 840 </p>
 841 </dd>
 842 <dt class="hdlist1">
 843 --export-all
 844 </dt>
 845 <dd>
 846 <p>
 847         Allow pulling from all directories that look like Git repositories
 848         (have the <em>objects</em> and <em>refs</em> subdirectories), even if they
 849         do not have the <em>git-daemon-export-ok</em> file.
 850 </p>
 851 </dd>
 852 <dt class="hdlist1">
 853 --inetd
 854 </dt>
 855 <dd>
 856 <p>
 857         Have the server run as an inetd service. Implies --syslog (may be
 858         overridden with <code>--log-destination=</code>).
 859         Incompatible with --detach, --port, --listen, --user and --group
 860         options.
 861 </p>
 862 </dd>
 863 <dt class="hdlist1">
 864 --listen=&lt;host_or_ipaddr&gt;
 865 </dt>
 866 <dd>
 867 <p>
 868         Listen on a specific IP address or hostname.  IP addresses can
 869         be either an IPv4 address or an IPv6 address if supported.  If IPv6
 870         is not supported, then --listen=hostname is also not supported and
 871         --listen must be given an IPv4 address.
 872         Can be given more than once.
 873         Incompatible with <code>--inetd</code> option.
 874 </p>
 875 </dd>
 876 <dt class="hdlist1">
 877 --port=&lt;n&gt;
 878 </dt>
 879 <dd>
 880 <p>
 881         Listen on an alternative port.  Incompatible with <code>--inetd</code> option.
 882 </p>
 883 </dd>
 884 <dt class="hdlist1">
 885 --init-timeout=&lt;n&gt;
 886 </dt>
 887 <dd>
 888 <p>
 889         Timeout (in seconds) between the moment the connection is established
 890         and the client request is received (typically a rather low value, since
 891         that should be basically immediate).
 892 </p>
 893 </dd>
 894 <dt class="hdlist1">
 895 --timeout=&lt;n&gt;
 896 </dt>
 897 <dd>
 898 <p>
 899         Timeout (in seconds) for specific client sub-requests. This includes
 900         the time it takes for the server to process the sub-request and the
 901         time spent waiting for the next client&#8217;s request.
 902 </p>
 903 </dd>
 904 <dt class="hdlist1">
 905 --max-connections=&lt;n&gt;
 906 </dt>
 907 <dd>
 908 <p>
 909         Maximum number of concurrent clients, defaults to 32.  Set it to
 910         zero for no limit.
 911 </p>
 912 </dd>
 913 <dt class="hdlist1">
 914 --syslog
 915 </dt>
 916 <dd>
 917 <p>
 918         Short for <code>--log-destination=syslog</code>.
 919 </p>
 920 </dd>
 921 <dt class="hdlist1">
 922 --log-destination=&lt;destination&gt;
 923 </dt>
 924 <dd>
 925 <p>
 926         Send log messages to the specified destination.
 927         Note that this option does not imply --verbose,
 928         thus by default only error conditions will be logged.
 929         The &lt;destination&gt; must be one of:
 930 </p>
 931 <div class="openblock">
 932 <div class="content">
 933 <div class="dlist"><dl>
 934 <dt class="hdlist1">
 935 stderr
 936 </dt>
 937 <dd>
 938 <p>
 939         Write to standard error.
 940         Note that if <code>--detach</code> is specified,
 941         the process disconnects from the real standard error,
 942         making this destination effectively equivalent to <code>none</code>.
 943 </p>
 944 </dd>
 945 <dt class="hdlist1">
 946 syslog
 947 </dt>
 948 <dd>
 949 <p>
 950         Write to syslog, using the <code>git-daemon</code> identifier.
 951 </p>
 952 </dd>
 953 <dt class="hdlist1">
 954 none
 955 </dt>
 956 <dd>
 957 <p>
 958         Disable all logging.
 959 </p>
 960 </dd>
 961 </dl></div>
 962 </div></div>
 963 <div class="paragraph"><p>The default destination is <code>syslog</code> if <code>--inetd</code> or <code>--detach</code> is specified,
 964 otherwise <code>stderr</code>.</p></div>
 965 </dd>
 966 <dt class="hdlist1">
 967 --user-path
 968 </dt>
 969 <dt class="hdlist1">
 970 --user-path=&lt;path&gt;
 971 </dt>
 972 <dd>
 973 <p>
 974         Allow &#126;user notation to be used in requests.  When
 975         specified with no parameter, requests to
 976         git://host/&#126;alice/foo is taken as a request to access
 977         <em>foo</em> repository in the home directory of user <code>alice</code>.
 978         If <code>--user-path=path</code> is specified, the same request is
 979         taken as a request to access <code>path/foo</code> repository in
 980         the home directory of user <code>alice</code>.
 981 </p>
 982 </dd>
 983 <dt class="hdlist1">
 984 --verbose
 985 </dt>
 986 <dd>
 987 <p>
 988         Log details about the incoming connections and requested files.
 989 </p>
 990 </dd>
 991 <dt class="hdlist1">
 992 --reuseaddr
 993 </dt>
 994 <dd>
 995 <p>
 996         Use SO_REUSEADDR when binding the listening socket.
 997         This allows the server to restart without waiting for
 998         old connections to time out.
 999 </p>
1000 </dd>
1001 <dt class="hdlist1">
1002 --detach
1003 </dt>
1004 <dd>
1005 <p>
1006         Detach from the shell. Implies --syslog.
1007 </p>
1008 </dd>
1009 <dt class="hdlist1">
1010 --pid-file=&lt;file&gt;
1011 </dt>
1012 <dd>
1013 <p>
1014         Save the process id in <em>file</em>.  Ignored when the daemon
1015         is run under <code>--inetd</code>.
1016 </p>
1017 </dd>
1018 <dt class="hdlist1">
1019 --user=&lt;user&gt;
1020 </dt>
1021 <dt class="hdlist1">
1022 --group=&lt;group&gt;
1023 </dt>
1024 <dd>
1025 <p>
1026         Change daemon&#8217;s uid and gid before entering the service loop.
1027         When only <code>--user</code> is given without <code>--group</code>, the
1028         primary group ID for the user is used.  The values of
1029         the option are given to <code>getpwnam(3)</code> and <code>getgrnam(3)</code>
1030         and numeric IDs are not supported.
1031 </p>
1032 <div class="paragraph"><p>Giving these options is an error when used with <code>--inetd</code>; use
1033 the facility of inet daemon to achieve the same before spawning
1034 <em>git daemon</em> if needed.</p></div>
1035 <div class="paragraph"><p>Like many programs that switch user id, the daemon does not reset
1036 environment variables such as <code>$HOME</code> when it runs git programs,
1037 e.g. <code>upload-pack</code> and <code>receive-pack</code>. When using this option, you
1038 may also want to set and export <code>HOME</code> to point at the home
1039 directory of <code>&lt;user&gt;</code> before starting the daemon, and make sure any
1040 Git configuration files in that directory are readable by <code>&lt;user&gt;</code>.</p></div>
1041 </dd>
1042 <dt class="hdlist1">
1043 --enable=&lt;service&gt;
1044 </dt>
1045 <dt class="hdlist1">
1046 --disable=&lt;service&gt;
1047 </dt>
1048 <dd>
1049 <p>
1050         Enable/disable the service site-wide per default.  Note
1051         that a service disabled site-wide can still be enabled
1052         per repository if it is marked overridable and the
1053         repository enables the service with a configuration
1054         item.
1055 </p>
1056 </dd>
1057 <dt class="hdlist1">
1058 --allow-override=&lt;service&gt;
1059 </dt>
1060 <dt class="hdlist1">
1061 --forbid-override=&lt;service&gt;
1062 </dt>
1063 <dd>
1064 <p>
1065         Allow/forbid overriding the site-wide default with per
1066         repository configuration.  By default, all the services
1067         may be overridden.
1068 </p>
1069 </dd>
1070 <dt class="hdlist1">
1071 --[no-]informative-errors
1072 </dt>
1073 <dd>
1074 <p>
1075         When informative errors are turned on, git-daemon will report
1076         more verbose errors to the client, differentiating conditions
1077         like "no such repository" from "repository not exported". This
1078         is more convenient for clients, but may leak information about
1079         the existence of unexported repositories.  When informative
1080         errors are not enabled, all errors report "access denied" to the
1081         client. The default is --no-informative-errors.
1082 </p>
1083 </dd>
1084 <dt class="hdlist1">
1085 --access-hook=&lt;path&gt;
1086 </dt>
1087 <dd>
1088 <p>
1089         Every time a client connects, first run an external command
1090         specified by the &lt;path&gt; with service name (e.g. "upload-pack"),
1091         path to the repository, hostname (%H), canonical hostname
1092         (%CH), IP address (%IP), and TCP port (%P) as its command-line
1093         arguments. The external command can decide to decline the
1094         service by exiting with a non-zero status (or to allow it by
1095         exiting with a zero status).  It can also look at the $REMOTE_ADDR
1096         and <code>$REMOTE_PORT</code> environment variables to learn about the
1097         requestor when making this decision.
1098 </p>
1099 <div class="paragraph"><p>The external command can optionally write a single line to its
1100 standard output to be sent to the requestor as an error message when
1101 it declines the service.</p></div>
1102 </dd>
1103 <dt class="hdlist1">
1104 &lt;directory&gt;
1105 </dt>
1106 <dd>
1107 <p>
1108         The remaining arguments provide a list of directories. If any
1109         directories are specified, then the <code>git-daemon</code> process will
1110         serve a requested directory only if it is contained in one of
1111         these directories. If <code>--strict-paths</code> is specified, then the
1112         requested directory must match one of these directories exactly.
1113 </p>
1114 </dd>
1115 </dl></div>
1116 </div>
1117 </div>
1118 <div class="sect1">
1119 <h2 id="_services">SERVICES</h2>
1120 <div class="sectionbody">
1121 <div class="paragraph"><p>These services can be globally enabled/disabled using the
1122 command-line options of this command.  If finer-grained
1123 control is desired (e.g. to allow <em>git archive</em> to be run
1124 against only in a few selected repositories the daemon serves),
1125 the per-repository configuration file can be used to enable or
1126 disable them.</p></div>
1127 <div class="dlist"><dl>
1128 <dt class="hdlist1">
1129 upload-pack
1130 </dt>
1131 <dd>
1132 <p>
1133         This serves <em>git fetch-pack</em> and <em>git ls-remote</em>
1134         clients.  It is enabled by default, but a repository can
1135         disable it by setting <code>daemon.uploadpack</code> configuration
1136         item to <code>false</code>.
1137 </p>
1138 </dd>
1139 <dt class="hdlist1">
1140 upload-archive
1141 </dt>
1142 <dd>
1143 <p>
1144         This serves <em>git archive --remote</em>.  It is disabled by
1145         default, but a repository can enable it by setting
1146         <code>daemon.uploadarch</code> configuration item to <code>true</code>.
1147 </p>
1148 </dd>
1149 <dt class="hdlist1">
1150 receive-pack
1151 </dt>
1152 <dd>
1153 <p>
1154         This serves <em>git send-pack</em> clients, allowing anonymous
1155         push.  It is disabled by default, as there is <em>no</em>
1156         authentication in the protocol (in other words, anybody
1157         can push anything into the repository, including removal
1158         of refs).  This is solely meant for a closed LAN setting
1159         where everybody is friendly.  This service can be
1160         enabled by setting <code>daemon.receivepack</code> configuration item to
1161         <code>true</code>.
1162 </p>
1163 </dd>
1164 </dl></div>
1165 </div>
1166 </div>
1167 <div class="sect1">
1168 <h2 id="_examples">EXAMPLES</h2>
1169 <div class="sectionbody">
1170 <div class="dlist"><dl>
1171 <dt class="hdlist1">
1172 We assume the following in /etc/services
1173 </dt>
1174 <dd>
1175 <div class="listingblock">
1176 <div class="content">
1177 <pre><code>$ grep 9418 /etc/services
1178 git             9418/tcp                # Git Version Control System</code></pre>
1179 </div></div>
1180 </dd>
1181 <dt class="hdlist1">
1182 <em>git daemon</em> as inetd server
1183 </dt>
1184 <dd>
1185 <p>
1186         To set up <em>git daemon</em> as an inetd service that handles any
1187         repository within <code>/pub/foo</code> or <code>/pub/bar</code>, place an entry like
1188         the following into <code>/etc/inetd</code> all on one line:
1189 </p>
1190 <div class="listingblock">
1191 <div class="content">
1192 <pre><code>        git stream tcp nowait nobody  /usr/bin/git
1193                 git daemon --inetd --verbose --export-all
1194                 /pub/foo /pub/bar</code></pre>
1195 </div></div>
1196 </dd>
1197 <dt class="hdlist1">
1198 <em>git daemon</em> as inetd server for virtual hosts
1199 </dt>
1200 <dd>
1201 <p>
1202         To set up <em>git daemon</em> as an inetd service that handles
1203         repositories for different virtual hosts, <code>www.example.com</code>
1204         and <code>www.example.org</code>, place an entry like the following into
1205         <code>/etc/inetd</code> all on one line:
1206 </p>
1207 <div class="listingblock">
1208 <div class="content">
1209 <pre><code>        git stream tcp nowait nobody /usr/bin/git
1210                 git daemon --inetd --verbose --export-all
1211                 --interpolated-path=/pub/%H%D
1212                 /pub/www.example.org/software
1213                 /pub/www.example.com/software
1214                 /software</code></pre>
1215 </div></div>
1216 <div class="paragraph"><p>In this example, the root-level directory <code>/pub</code> will contain
1217 a subdirectory for each virtual host name supported.
1218 Further, both hosts advertise repositories simply as
1219 <code>git://www.example.com/software/repo.git</code>.  For pre-1.4.0
1220 clients, a symlink from <code>/software</code> into the appropriate
1221 default repository could be made as well.</p></div>
1222 </dd>
1223 <dt class="hdlist1">
1224 <em>git daemon</em> as regular daemon for virtual hosts
1225 </dt>
1226 <dd>
1227 <p>
1228         To set up <em>git daemon</em> as a regular, non-inetd service that
1229         handles repositories for multiple virtual hosts based on
1230         their IP addresses, start the daemon like this:
1231 </p>
1232 <div class="listingblock">
1233 <div class="content">
1234 <pre><code>        git daemon --verbose --export-all
1235                 --interpolated-path=/pub/%IP/%D
1236                 /pub/192.168.1.200/software
1237                 /pub/10.10.220.23/software</code></pre>
1238 </div></div>
1239 <div class="paragraph"><p>In this example, the root-level directory <code>/pub</code> will contain
1240 a subdirectory for each virtual host IP address supported.
1241 Repositories can still be accessed by hostname though, assuming
1242 they correspond to these IP addresses.</p></div>
1243 </dd>
1244 <dt class="hdlist1">
1245 selectively enable/disable services per repository
1246 </dt>
1247 <dd>
1248 <p>
1249         To enable <em>git archive --remote</em> and disable <em>git fetch</em> against
1250         a repository, have the following in the configuration file in the
1251         repository (that is the file <em>config</em> next to <code>HEAD</code>, <em>refs</em> and
1252         <em>objects</em>).
1253 </p>
1254 <div class="listingblock">
1255 <div class="content">
1256 <pre><code>        [daemon]
1257                 uploadpack = false
1258                 uploadarch = true</code></pre>
1259 </div></div>
1260 </dd>
1261 </dl></div>
1262 </div>
1263 </div>
1264 <div class="sect1">
1265 <h2 id="_environment">ENVIRONMENT</h2>
1266 <div class="sectionbody">
1267 <div class="paragraph"><p><em>git daemon</em> will set REMOTE_ADDR to the IP address of the client
1268 that connected to it, if the IP address is available. REMOTE_ADDR will
1269 be available in the environment of hooks called when
1270 services are performed.</p></div>
1271 </div>
1272 </div>
1273 <div class="sect1">
1274 <h2 id="_git">GIT</h2>
1275 <div class="sectionbody">
1276 <div class="paragraph"><p>Part of the <a href="git.html">git(1)</a> suite</p></div>
1277 </div>
1278 </div>
1279 </div>
1280 <div id="footnotes"><hr /></div>
1281 <div id="footer">
1282 <div id="footer-text">
1283 Last updated
1284  2022-07-27 09:46:08 PDT
1285 </div>
1286 </div>
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