git-instaweb.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2006 Eric Wong
   4 #
   5 USAGE='[--start] [--stop] [--restart]
   6   [--local] [--httpd=<httpd>] [--port=<port>] [--browser=<browser>]
   7   [--module-path=<path> (for Apache2 only)]'
   8
   9 . git-sh-setup
  10
  11 case "$GIT_DIR" in
  12 /*)
  13         fqgitdir="$GIT_DIR" ;;
  14 *)
  15         fqgitdir="$PWD/$GIT_DIR" ;;
  16 esac
  17
  18 local="`git repo-config --bool --get instaweb.local`"
  19 httpd="`git repo-config --get instaweb.httpd`"
  20 browser="`git repo-config --get instaweb.browser`"
  21 port=`git repo-config --get instaweb.port`
  22 module_path="`git repo-config --get instaweb.modulepath`"
  23
  24 conf=$GIT_DIR/gitweb/httpd.conf
  25
  26 # Defaults:
  27
  28 # if installed, it doens't need further configuration (module_path)
  29 test -z "$httpd" && httpd='lighttpd -f'
  30
  31 # probably the most popular browser among gitweb users
  32 test -z "$browser" && browser='firefox'
  33
  34 # any untaken local port will do...
  35 test -z "$port" && port=1234
  36
  37 start_httpd () {
  38         httpd_only="`echo $httpd | cut -f1 -d' '`"
  39         if test "`expr index $httpd_only /`" -eq '1' || \
  40                                 which $httpd_only >/dev/null
  41         then
  42                 $httpd $fqgitdir/gitweb/httpd.conf
  43         else
  44                 # many httpds are installed in /usr/sbin or /usr/local/sbin
  45                 # these days and those are not in most users $PATHs
  46                 for i in /usr/local/sbin /usr/sbin
  47                 do
  48                         if test -x "$i/$httpd_only"
  49                         then
  50                                 # don't quote $httpd, there can be
  51                                 # arguments to it (-f)
  52                                 $i/$httpd "$fqgitdir/gitweb/httpd.conf"
  53                                 return
  54                         fi
  55                 done
  56         fi
  57 }
  58
  59 stop_httpd () {
  60         test -f "$fqgitdir/pid" && kill `cat "$fqgitdir/pid"`
  61 }
  62
  63 while case "$#" in 0) break ;; esac
  64 do
  65         case "$1" in
  66         --stop|stop)
  67                 stop_httpd
  68                 exit 0
  69                 ;;
  70         --start|start)
  71                 start_httpd
  72                 exit 0
  73                 ;;
  74         --restart|restart)
  75                 stop_httpd
  76                 start_httpd
  77                 exit 0
  78                 ;;
  79         --local|-l)
  80                 local=true
  81                 ;;
  82         -d|--httpd|--httpd=*)
  83                 case "$#,$1" in
  84                 *,*=*)
  85                         httpd=`expr "$1" : '-[^=]*=\(.*\)'` ;;
  86                 1,*)
  87                         usage ;;
  88                 *)
  89                         httpd="$2"
  90                         shift ;;
  91                 esac
  92                 ;;
  93         -b|--browser|--browser=*)
  94                 case "$#,$1" in
  95                 *,*=*)
  96                         browser=`expr "$1" : '-[^=]*=\(.*\)'` ;;
  97                 1,*)
  98                         usage ;;
  99                 *)
 100                         browser="$2"
 101                         shift ;;
 102                 esac
 103                 ;;
 104         -p|--port|--port=*)
 105                 case "$#,$1" in
 106                 *,*=*)
 107                         port=`expr "$1" : '-[^=]*=\(.*\)'` ;;
 108                 1,*)
 109                         usage ;;
 110                 *)
 111                         port="$2"
 112                         shift ;;
 113                 esac
 114                 ;;
 115         -m|--module-path=*|--module-path)
 116                 case "$#,$1" in
 117                 *,*=*)
 118                         module_path=`expr "$1" : '-[^=]*=\(.*\)'` ;;
 119                 1,*)
 120                         usage ;;
 121                 *)
 122                         module_path="$2"
 123                         shift ;;
 124                 esac
 125                 ;;
 126         *)
 127                 usage
 128                 ;;
 129         esac
 130         shift
 131 done
 132
 133 mkdir -p "$GIT_DIR/gitweb/tmp"
 134 GIT_EXEC_PATH="`git --exec-path`"
 135 GIT_DIR="$fqgitdir"
 136 export GIT_EXEC_PATH GIT_DIR
 137
 138
 139 lighttpd_conf () {
 140         cat > "$conf" <<EOF
 141 server.document-root = "$fqgitdir/gitweb"
 142 server.port = $port
 143 server.modules = ( "mod_cgi" )
 144 server.indexfiles = ( "gitweb.cgi" )
 145 server.pid-file = "$fqgitdir/pid"
 146 cgi.assign = ( ".cgi" => "" )
 147 mimetype.assign = ( ".css" => "text/css" )
 148 EOF
 149         test "$local" = true && echo 'server.bind = "127.0.0.1"' >> "$conf"
 150 }
 151
 152 apache2_conf () {
 153         test -z "$module_path" && module_path=/usr/lib/apache2/modules
 154         mkdir -p "$GIT_DIR/gitweb/logs"
 155         bind=
 156         test "$local" = true && bind='127.0.0.1:'
 157         echo 'text/css css' > $fqgitdir/mime.types
 158         cat > "$conf" <<EOF
 159 ServerRoot "$fqgitdir/gitweb"
 160 DocumentRoot "$fqgitdir/gitweb"
 161 PidFile "$fqgitdir/pid"
 162 Listen $bind$port
 163 TypesConfig $fqgitdir/mime.types
 164 DirectoryIndex gitweb.cgi
 165 EOF
 166
 167         # check to see if Dennis Stosberg's mod_perl compatibility patch
 168         # (<20060621130708.Gcbc6e5c@leonov.stosberg.net>) has been applied
 169         if test -f "$module_path/mod_perl.so" && grep '^our $gitbin' \
 170                                 "$GIT_DIR/gitweb/gitweb.cgi" >/dev/null
 171         then
 172                 # favor mod_perl if available
 173                 cat >> "$conf" <<EOF
 174 LoadModule perl_module $module_path/mod_perl.so
 175 PerlPassEnv GIT_DIR
 176 PerlPassEnv GIT_EXEC_DIR
 177 <Location /gitweb.cgi>
 178         SetHandler perl-script
 179         PerlResponseHandler ModPerl::Registry
 180         PerlOptions +ParseHeaders
 181         Options +ExecCGI
 182 </Location>
 183 EOF
 184         else
 185                 # plain-old CGI
 186                 cat >> "$conf" <<EOF
 187 LoadModule cgi_module $module_path/mod_cgi.so
 188 AddHandler cgi-script .cgi
 189 <Location /gitweb.cgi>
 190         Options +ExecCGI
 191 </Location>
 192 EOF
 193         fi
 194 }
 195
 196 script='
 197 s#^\(my\|our\) $projectroot =.*#\1 $projectroot = "'`dirname $fqgitdir`'";#
 198 s#\(my\|our\) $gitbin =.*#\1 $gitbin = "'$GIT_EXEC_PATH'";#
 199 s#\(my\|our\) $projects_list =.*#\1 $projects_list = $projectroot;#
 200 s#\(my\|our\) $git_temp =.*#\1 $git_temp = "'$fqgitdir/gitweb/tmp'";#'
 201
 202 gitweb_cgi () {
 203         cat > "$1.tmp" <<\EOFGITWEB
 204 @@GITWEB_CGI@@
 205 EOFGITWEB
 206         sed "$script" "$1.tmp"  > "$1"
 207         chmod +x "$1"
 208         rm -f "$1.tmp"
 209 }
 210
 211 gitweb_css () {
 212         cat > "$1" <<\EOFGITWEB
 213 @@GITWEB_CSS@@
 214 EOFGITWEB
 215 }
 216
 217 gitweb_cgi $GIT_DIR/gitweb/gitweb.cgi
 218 gitweb_css $GIT_DIR/gitweb/gitweb.css
 219
 220 case "$httpd" in
 221 *lighttpd*)
 222         lighttpd_conf
 223         ;;
 224 *apache2*)
 225         apache2_conf
 226         ;;
 227 *)
 228         echo "Unknown httpd specified: $httpd"
 229         exit 1
 230         ;;
 231 esac
 232
 233 start_httpd
 234 test -z "$browser" && browser=echo
 235 $browser http://127.0.0.1:$port