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executable file 298 lines (268 sloc) 6.543 kb
#!/bin/sh
#
# Copyright (c) 2006 Eric Wong
#
PERL='@@PERL@@'
OPTIONS_KEEPDASHDASH=
OPTIONS_SPEC="\
git instaweb [options] (--start | --stop | --restart)
--
l,local only bind on 127.0.0.1
p,port= the port to bind to
d,httpd= the command to launch
b,browser= the browser to launch
m,module-path= the module path (only needed for apache2)
Action
stop stop the web server
start start the web server
restart restart the web server
"
. git-sh-setup
fqgitdir="$GIT_DIR"
local="$(git config --bool --get instaweb.local)"
httpd="$(git config --get instaweb.httpd)"
port=$(git config --get instaweb.port)
module_path="$(git config --get instaweb.modulepath)"
conf="$GIT_DIR/gitweb/httpd.conf"
# Defaults:
# if installed, it doesn't need further configuration (module_path)
test -z "$httpd" && httpd='lighttpd -f'
# any untaken local port will do...
test -z "$port" && port=1234
resolve_full_httpd () {
case "$httpd" in
*apache2*|*lighttpd*)
# ensure that the apache2/lighttpd command ends with "-f"
if ! echo "$httpd" | grep -- '-f *$' >/dev/null 2>&1
then
httpd="$httpd -f"
fi
;;
esac
httpd_only="$(echo $httpd | cut -f1 -d' ')"
if case "$httpd_only" in /*) : ;; *) which $httpd_only >/dev/null;; esac
then
full_httpd=$httpd
else
# many httpds are installed in /usr/sbin or /usr/local/sbin
# these days and those are not in most users $PATHs
# in addition, we may have generated a server script
# in $fqgitdir/gitweb.
for i in /usr/local/sbin /usr/sbin "$fqgitdir/gitweb"
do
if test -x "$i/$httpd_only"
then
full_httpd=$i/$httpd
return
fi
done
echo >&2 "$httpd_only not found. Install $httpd_only or use" \
"--httpd to specify another httpd daemon."
exit 1
fi
}
start_httpd () {
# here $httpd should have a meaningful value
resolve_full_httpd
# don't quote $full_httpd, there can be arguments to it (-f)
$full_httpd "$fqgitdir/gitweb/httpd.conf"
if test $? != 0; then
echo "Could not execute http daemon $httpd."
exit 1
fi
}
stop_httpd () {
test -f "$fqgitdir/pid" && kill $(cat "$fqgitdir/pid")
}
while test $# != 0
do
case "$1" in
--stop|stop)
stop_httpd
exit 0
;;
--start|start)
start_httpd
exit 0
;;
--restart|restart)
stop_httpd
start_httpd
exit 0
;;
-l|--local)
local=true
;;
-d|--httpd)
shift
httpd="$1"
;;
-b|--browser)
shift
browser="$1"
;;
-p|--port)
shift
port="$1"
;;
-m|--module-path)
shift
module_path="$1"
;;
--)
;;
*)
usage
;;
esac
shift
done
mkdir -p "$GIT_DIR/gitweb/tmp"
GIT_EXEC_PATH="$(git --exec-path)"
GIT_DIR="$fqgitdir"
export GIT_EXEC_PATH GIT_DIR
webrick_conf () {
# generate a standalone server script in $fqgitdir/gitweb.
cat >"$fqgitdir/gitweb/$httpd.rb" <<EOF
require 'webrick'
require 'yaml'
options = YAML::load_file(ARGV[0])
options[:StartCallback] = proc do
File.open(options[:PidFile],"w") do |f|
f.puts Process.pid
end
end
options[:ServerType] = WEBrick::Daemon
server = WEBrick::HTTPServer.new(options)
['INT', 'TERM'].each do |signal|
trap(signal) {server.shutdown}
end
server.start
EOF
# generate a shell script to invoke the above ruby script,
# which assumes _ruby_ is in the user's $PATH. that's _one_
# portable way to run ruby, which could be installed anywhere,
# really.
cat >"$fqgitdir/gitweb/$httpd" <<EOF
#!/bin/sh
exec ruby "$fqgitdir/gitweb/$httpd.rb" \$*
EOF
chmod +x "$fqgitdir/gitweb/$httpd"
cat >"$conf" <<EOF
:Port: $port
:DocumentRoot: "$fqgitdir/gitweb"
:DirectoryIndex: ["gitweb.cgi"]
:PidFile: "$fqgitdir/pid"
EOF
test "$local" = true && echo ':BindAddress: "127.0.0.1"' >> "$conf"
}
lighttpd_conf () {
cat > "$conf" <<EOF
server.document-root = "$fqgitdir/gitweb"
server.port = $port
server.modules = ( "mod_cgi" )
server.indexfiles = ( "gitweb.cgi" )
server.pid-file = "$fqgitdir/pid"
cgi.assign = ( ".cgi" => "" )
mimetype.assign = ( ".css" => "text/css" )
EOF
test x"$local" = xtrue && echo 'server.bind = "127.0.0.1"' >> "$conf"
}
apache2_conf () {
test -z "$module_path" && module_path=/usr/lib/apache2/modules
mkdir -p "$GIT_DIR/gitweb/logs"
bind=
test x"$local" = xtrue && bind='127.0.0.1:'
echo 'text/css css' > $fqgitdir/mime.types
cat > "$conf" <<EOF
ServerName "git-instaweb"
ServerRoot "$fqgitdir/gitweb"
DocumentRoot "$fqgitdir/gitweb"
PidFile "$fqgitdir/pid"
Listen $bind$port
EOF
for mod in mime dir; do
if test -e $module_path/mod_${mod}.so; then
echo "LoadModule ${mod}_module " \
"$module_path/mod_${mod}.so" >> "$conf"
fi
done
cat >> "$conf" <<EOF
TypesConfig $fqgitdir/mime.types
DirectoryIndex gitweb.cgi
EOF
# check to see if Dennis Stosberg's mod_perl compatibility patch
# (<20060621130708.Gcbc6e5c@leonov.stosberg.net>) has been applied
if test -f "$module_path/mod_perl.so" && grep '^our $gitbin' \
"$GIT_DIR/gitweb/gitweb.cgi" >/dev/null
then
# favor mod_perl if available
cat >> "$conf" <<EOF
LoadModule perl_module $module_path/mod_perl.so
PerlPassEnv GIT_DIR
PerlPassEnv GIT_EXEC_DIR
<Location /gitweb.cgi>
SetHandler perl-script
PerlResponseHandler ModPerl::Registry
PerlOptions +ParseHeaders
Options +ExecCGI
</Location>
EOF
else
# plain-old CGI
resolve_full_httpd
list_mods=$(echo "$full_httpd" | sed "s/-f$/-l/")
$list_mods | grep 'mod_cgi\.c' >/dev/null 2>&1 || \
echo "LoadModule cgi_module $module_path/mod_cgi.so" >> "$conf"
cat >> "$conf" <<EOF
AddHandler cgi-script .cgi
<Location /gitweb.cgi>
Options +ExecCGI
</Location>
EOF
fi
}
script='
s#^(my|our) \$projectroot =.*#$1 \$projectroot = "'$(dirname "$fqgitdir")'";#;
s#(my|our) \$gitbin =.*#$1 \$gitbin = "'$GIT_EXEC_PATH'";#;
s#(my|our) \$projects_list =.*#$1 \$projects_list = \$projectroot;#;
s#(my|our) \$git_temp =.*#$1 \$git_temp = "'$fqgitdir/gitweb/tmp'";#;'
gitweb_cgi () {
cat > "$1.tmp" <<\EOFGITWEB
@@GITWEB_CGI@@
EOFGITWEB
# Use the configured full path to perl to match the generated
# scripts' 'hashpling' line
"$PERL" -p -e "$script" "$1.tmp" > "$1"
chmod +x "$1"
rm -f "$1.tmp"
}
gitweb_css () {
cat > "$1" <<\EOFGITWEB
@@GITWEB_CSS@@
EOFGITWEB
}
gitweb_cgi "$GIT_DIR/gitweb/gitweb.cgi"
gitweb_css "$GIT_DIR/gitweb/gitweb.css"
case "$httpd" in
*lighttpd*)
lighttpd_conf
;;
*apache2*)
apache2_conf
;;
webrick)
webrick_conf
;;
*)
echo "Unknown httpd specified: $httpd"
exit 1
;;
esac
start_httpd
url=http://127.0.0.1:$port
if test -n "$browser"; then
git web--browse -b "$browser" $url || echo $url
else
git web--browse -c "instaweb.browser" $url || echo $url
fi
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