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