1#!/bin/sh
2#
3# Copyright (c) 2006 Eric Wong
4#
5USAGE='[--start] [--stop] [--restart]
6 [--local] [--httpd=<httpd>] [--port=<port>] [--browser=<browser>]
7 [--module-path=<path> (for Apache2 only)]'
8
9. git-sh-setup
10
11case "$GIT_DIR" in
12/*)
13 fqgitdir="$GIT_DIR" ;;
14*)
15 fqgitdir="$PWD/$GIT_DIR" ;;
16esac
17
18local="`git repo-config --bool --get instaweb.local`"
19httpd="`git repo-config --get instaweb.httpd`"
20browser="`git repo-config --get instaweb.browser`"
21port=`git repo-config --get instaweb.port`
22module_path="`git repo-config --get instaweb.modulepath`"
23
24conf=$GIT_DIR/gitweb/httpd.conf
25
26# Defaults:
27
28# if installed, it doesn't need further configuration (module_path)
29test -z "$httpd" && httpd='lighttpd -f'
30
31# probably the most popular browser among gitweb users
32test -z "$browser" && browser='firefox'
33
34# any untaken local port will do...
35test -z "$port" && port=1234
36
37start_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 "$fqgitdir/gitweb/httpd.conf"
53 return
54 fi
55 done
56 echo "$httpd_only not found. Install $httpd_only or use" \
57 "--httpd to specify another http daemon."
58 exit 1
59 fi
60 if test $? != 0; then
61 echo "Could not execute http daemon $httpd."
62 exit 1
63 fi
64}
65
66stop_httpd () {
67 test -f "$fqgitdir/pid" && kill `cat "$fqgitdir/pid"`
68}
69
70while case "$#" in 0) break ;; esac
71do
72 case "$1" in
73 --stop|stop)
74 stop_httpd
75 exit 0
76 ;;
77 --start|start)
78 start_httpd
79 exit 0
80 ;;
81 --restart|restart)
82 stop_httpd
83 start_httpd
84 exit 0
85 ;;
86 --local|-l)
87 local=true
88 ;;
89 -d|--httpd|--httpd=*)
90 case "$#,$1" in
91 *,*=*)
92 httpd=`expr "$1" : '-[^=]*=\(.*\)'` ;;
93 1,*)
94 usage ;;
95 *)
96 httpd="$2"
97 shift ;;
98 esac
99 ;;
100 -b|--browser|--browser=*)
101 case "$#,$1" in
102 *,*=*)
103 browser=`expr "$1" : '-[^=]*=\(.*\)'` ;;
104 1,*)
105 usage ;;
106 *)
107 browser="$2"
108 shift ;;
109 esac
110 ;;
111 -p|--port|--port=*)
112 case "$#,$1" in
113 *,*=*)
114 port=`expr "$1" : '-[^=]*=\(.*\)'` ;;
115 1,*)
116 usage ;;
117 *)
118 port="$2"
119 shift ;;
120 esac
121 ;;
122 -m|--module-path=*|--module-path)
123 case "$#,$1" in
124 *,*=*)
125 module_path=`expr "$1" : '-[^=]*=\(.*\)'` ;;
126 1,*)
127 usage ;;
128 *)
129 module_path="$2"
130 shift ;;
131 esac
132 ;;
133 *)
134 usage
135 ;;
136 esac
137 shift
138done
139
140mkdir -p "$GIT_DIR/gitweb/tmp"
141GIT_EXEC_PATH="`git --exec-path`"
142GIT_DIR="$fqgitdir"
143export GIT_EXEC_PATH GIT_DIR
144
145
146lighttpd_conf () {
147 cat > "$conf" <<EOF
148server.document-root = "$fqgitdir/gitweb"
149server.port = $port
150server.modules = ( "mod_cgi" )
151server.indexfiles = ( "gitweb.cgi" )
152server.pid-file = "$fqgitdir/pid"
153cgi.assign = ( ".cgi" => "" )
154mimetype.assign = ( ".css" => "text/css" )
155EOF
156 test "$local" = true && echo 'server.bind = "127.0.0.1"' >> "$conf"
157}
158
159apache2_conf () {
160 test -z "$module_path" && module_path=/usr/lib/apache2/modules
161 mkdir -p "$GIT_DIR/gitweb/logs"
162 bind=
163 test "$local" = true && bind='127.0.0.1:'
164 echo 'text/css css' > $fqgitdir/mime.types
165 cat > "$conf" <<EOF
166ServerName "git-instaweb"
167ServerRoot "$fqgitdir/gitweb"
168DocumentRoot "$fqgitdir/gitweb"
169PidFile "$fqgitdir/pid"
170Listen $bind$port
171EOF
172
173 for mod in mime dir; do
174 if test -e $module_path/mod_${mod}.so; then
175 echo "LoadModule ${mod}_module " \
176 "$module_path/mod_${mod}.so" >> "$conf"
177 fi
178 done
179 cat >> "$conf" <<EOF
180TypesConfig $fqgitdir/mime.types
181DirectoryIndex gitweb.cgi
182EOF
183
184 # check to see if Dennis Stosberg's mod_perl compatibility patch
185 # (<20060621130708.Gcbc6e5c@leonov.stosberg.net>) has been applied
186 if test -f "$module_path/mod_perl.so" && grep '^our $gitbin' \
187 "$GIT_DIR/gitweb/gitweb.cgi" >/dev/null
188 then
189 # favor mod_perl if available
190 cat >> "$conf" <<EOF
191LoadModule perl_module $module_path/mod_perl.so
192PerlPassEnv GIT_DIR
193PerlPassEnv GIT_EXEC_DIR
194<Location /gitweb.cgi>
195 SetHandler perl-script
196 PerlResponseHandler ModPerl::Registry
197 PerlOptions +ParseHeaders
198 Options +ExecCGI
199</Location>
200EOF
201 else
202 # plain-old CGI
203 list_mods=`echo "$httpd" | sed "s/-f$/-l/"`
204 $list_mods | grep 'mod_cgi\.c' >/dev/null 2>&1 || \
205 echo "LoadModule cgi_module $module_path/mod_cgi.so" >> "$conf"
206 cat >> "$conf" <<EOF
207AddHandler cgi-script .cgi
208<Location /gitweb.cgi>
209 Options +ExecCGI
210</Location>
211EOF
212 fi
213}
214
215script='
216s#^\(my\|our\) $projectroot =.*#\1 $projectroot = "'`dirname $fqgitdir`'";#
217s#\(my\|our\) $gitbin =.*#\1 $gitbin = "'$GIT_EXEC_PATH'";#
218s#\(my\|our\) $projects_list =.*#\1 $projects_list = $projectroot;#
219s#\(my\|our\) $git_temp =.*#\1 $git_temp = "'$fqgitdir/gitweb/tmp'";#'
220
221gitweb_cgi () {
222 cat > "$1.tmp" <<\EOFGITWEB
223@@GITWEB_CGI@@
224EOFGITWEB
225 sed "$script" "$1.tmp" > "$1"
226 chmod +x "$1"
227 rm -f "$1.tmp"
228}
229
230gitweb_css () {
231 cat > "$1" <<\EOFGITWEB
232@@GITWEB_CSS@@
233EOFGITWEB
234}
235
236gitweb_cgi $GIT_DIR/gitweb/gitweb.cgi
237gitweb_css $GIT_DIR/gitweb/gitweb.css
238
239case "$httpd" in
240*lighttpd*)
241 lighttpd_conf
242 ;;
243*apache2*)
244 apache2_conf
245 ;;
246*)
247 echo "Unknown httpd specified: $httpd"
248 exit 1
249 ;;
250esac
251
252start_httpd
253test -z "$browser" && browser=echo
254url=http://127.0.0.1:$port
255$browser $url || echo $url