[thirdparty/git.git] / git-instaweb.sh

#!/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="$(git config --get instaweb.httpd)"
root="$(git config --get instaweb.gitwebdir)"
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'

# Default is @@GITWEBDIR@@
test -z "$root" && root='@@GITWEBDIR@@'

# 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" | sane_grep -- '-f *$' >/dev/null 2>&1
		then
			httpd="$httpd -f"
		fi
		;;
	*plackup*)
		# server is started by running via generated gitweb.psgi in $fqgitdir/gitweb
		full_httpd="$fqgitdir/gitweb/gitweb.psgi"
		httpd_only="${httpd%% *}" # cut on first space
		return
		;;
	esac

	httpd_only="$(echo $httpd | cut -f1 -d' ')"
	if case "$httpd_only" in /*) : ;; *) which $httpd_only >/dev/null 2>&1;; esac
	then
		full_httpd=$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 $fqgitdir/gitweb.
		for i in /usr/local/sbin /usr/sbin "$root" "$fqgitdir/gitweb"
		do
			if test -x "$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 () {
	if test -f "$fqgitdir/pid"; then
		say "Instance already running. Restarting..."
		stop_httpd
	fi

	# here $httpd should have a meaningful value
	resolve_full_httpd

	# don't quote $full_httpd, there can be arguments to it (-f)
	case "$httpd" in
	*mongoose*|*plackup*)
		#These servers don't have a daemon mode so we'll have to fork it
		$full_httpd "$fqgitdir/gitweb/httpd.conf" &
		#Save the pid before doing anything else (we'll print it later)
		pid=$!

		if test $? != 0; then
			echo "Could not execute http daemon $httpd."
			exit 1
		fi

		cat > "$fqgitdir/pid" <<EOF
$pid
EOF
		;;
	*)
		$full_httpd "$fqgitdir/gitweb/httpd.conf"
		if test $? != 0; then
			echo "Could not execute http daemon $httpd."
			exit 1
		fi
		;;
	esac
}

stop_httpd () {
	test -f "$fqgitdir/pid" && kill $(cat "$fqgitdir/pid")
	rm -f "$fqgitdir/pid"
}

httpd_is_ready () {
	"$PERL" -MIO::Socket::INET -e "
local \$| = 1; # turn on autoflush
exit if (IO::Socket::INET->new('127.0.0.1:$port'));
print 'Waiting for \'$httpd\' to start ..';
do {
	print '.';
	sleep(1);
} until (IO::Socket::INET->new('127.0.0.1:$port'));
print qq! (done)\n!;
"
}

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="$fqgitdir"
GITWEB_CONFIG="$fqgitdir/gitweb/gitweb_config.perl"
export GIT_EXEC_PATH GIT_DIR GITWEB_CONFIG

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: $port
:DocumentRoot: "$root"
:DirectoryIndex: ["gitweb.cgi"]
:PidFile: "$fqgitdir/pid"
EOF
	test "$local" = true && echo ':BindAddress: "127.0.0.1"' >> "$conf"
}

lighttpd_conf () {
	cat > "$conf" <<EOF
server.document-root = "$root"
server.port = $port
server.modules = ( "mod_setenv", "mod_cgi" )
server.indexfiles = ( "gitweb.cgi" )
server.pid-file = "$fqgitdir/pid"
server.errorlog = "$fqgitdir/gitweb/$httpd_only/error.log"

# to enable, add "mod_access", "mod_accesslog" to server.modules
# variable above and uncomment this
#accesslog.filename = "$fqgitdir/gitweb/$httpd_only/access.log"

setenv.add-environment = ( "PATH" => env.PATH, "GITWEB_CONFIG" => env.GITWEB_CONFIG )

cgi.assign = ( ".cgi" => "" )

# mimetype mapping
mimetype.assign             = (
  ".pdf"          =>      "application/pdf",
  ".sig"          =>      "application/pgp-signature",
  ".spl"          =>      "application/futuresplash",
  ".class"        =>      "application/octet-stream",
  ".ps"           =>      "application/postscript",
  ".torrent"      =>      "application/x-bittorrent",
  ".dvi"          =>      "application/x-dvi",
  ".gz"           =>      "application/x-gzip",
  ".pac"          =>      "application/x-ns-proxy-autoconfig",
  ".swf"          =>      "application/x-shockwave-flash",
  ".tar.gz"       =>      "application/x-tgz",
  ".tgz"          =>      "application/x-tgz",
  ".tar"          =>      "application/x-tar",
  ".zip"          =>      "application/zip",
  ".mp3"          =>      "audio/mpeg",
  ".m3u"          =>      "audio/x-mpegurl",
  ".wma"          =>      "audio/x-ms-wma",
  ".wax"          =>      "audio/x-ms-wax",
  ".ogg"          =>      "application/ogg",
  ".wav"          =>      "audio/x-wav",
  ".gif"          =>      "image/gif",
  ".jpg"          =>      "image/jpeg",
  ".jpeg"         =>      "image/jpeg",
  ".png"          =>      "image/png",
  ".xbm"          =>      "image/x-xbitmap",
  ".xpm"          =>      "image/x-xpixmap",
  ".xwd"          =>      "image/x-xwindowdump",
  ".css"          =>      "text/css",
  ".html"         =>      "text/html",
  ".htm"          =>      "text/html",
  ".js"           =>      "text/javascript",
  ".asc"          =>      "text/plain",
  ".c"            =>      "text/plain",
  ".cpp"          =>      "text/plain",
  ".log"          =>      "text/plain",
  ".conf"         =>      "text/plain",
  ".text"         =>      "text/plain",
  ".txt"          =>      "text/plain",
  ".dtd"          =>      "text/xml",
  ".xml"          =>      "text/xml",
  ".mpeg"         =>      "video/mpeg",
  ".mpg"          =>      "video/mpeg",
  ".mov"          =>      "video/quicktime",
  ".qt"           =>      "video/quicktime",
  ".avi"          =>      "video/x-msvideo",
  ".asf"          =>      "video/x-ms-asf",
  ".asx"          =>      "video/x-ms-asf",
  ".wmv"          =>      "video/x-ms-wmv",
  ".bz2"          =>      "application/x-bzip",
  ".tbz"          =>      "application/x-bzip-compressed-tar",
  ".tar.bz2"      =>      "application/x-bzip-compressed-tar",
  ""              =>      "text/plain"
 )
EOF
	test x"$local" = xtrue && echo 'server.bind = "127.0.0.1"' >> "$conf"
}

apache2_conf () {
	test -z "$module_path" && module_path=/usr/lib/apache2/modules
	bind=
	test x"$local" = xtrue && bind='127.0.0.1:'
	echo 'text/css css' > "$fqgitdir/mime.types"
	cat > "$conf" <<EOF
ServerName "git-instaweb"
ServerRoot "$root"
DocumentRoot "$root"
ErrorLog "$fqgitdir/gitweb/$httpd_only/error.log"
CustomLog "$fqgitdir/gitweb/$httpd_only/access.log" combined
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 "$module_path/mod_perl.so" &&
	   sane_grep 'MOD_PERL' "$root/gitweb.cgi" >/dev/null
	then
		# favor mod_perl if available
		cat >> "$conf" <<EOF
LoadModule perl_module $module_path/mod_perl.so
PerlPassEnv GIT_DIR
PerlPassEnv GIT_EXEC_DIR
PerlPassEnv GITWEB_CONFIG
<Location /gitweb.cgi>
	SetHandler perl-script
	PerlResponseHandler ModPerl::Registry
	PerlOptions +ParseHeaders
	Options +ExecCGI
</Location>
EOF
	else
		# plain-old CGI
		resolve_full_httpd
		list_mods=$(echo "$full_httpd" | sed 's/-f$/-l/')
		$list_mods | sane_grep 'mod_cgi\.c' >/dev/null 2>&1 || \
		if test -f "$module_path/mod_cgi.so"
		then
			echo "LoadModule cgi_module $module_path/mod_cgi.so" >> "$conf"
		else
			$list_mods | grep 'mod_cgid\.c' >/dev/null 2>&1 || \
			if test -f "$module_path/mod_cgid.so"
			then
				echo "LoadModule cgid_module $module_path/mod_cgid.so" \
					>> "$conf"
			else
				echo "You have no CGI support!"
				exit 2
			fi
			echo "ScriptSock logs/gitweb.sock" >> "$conf"
		fi
		cat >> "$conf" <<EOF
AddHandler cgi-script .cgi
<Location /gitweb.cgi>
	Options +ExecCGI
</Location>
EOF
	fi
}

mongoose_conf() {
	cat > "$conf" <<EOF
# Mongoose web server configuration file.
# Lines starting with '#' and empty lines are ignored.
# For detailed description of every option, visit
# http://code.google.com/p/mongoose/wiki/MongooseManual

root		$root
ports		$port
index_files	gitweb.cgi
#ssl_cert	$fqgitdir/gitweb/ssl_cert.pem
error_log	$fqgitdir/gitweb/$httpd_only/error.log
access_log	$fqgitdir/gitweb/$httpd_only/access.log

#cgi setup
cgi_env		PATH=$PATH,GIT_DIR=$GIT_DIR,GIT_EXEC_PATH=$GIT_EXEC_PATH,GITWEB_CONFIG=$GITWEB_CONFIG
cgi_interp	$PERL
cgi_ext		cgi,pl

# mimetype mapping
mime_types	.gz=application/x-gzip,.tar.gz=application/x-tgz,.tgz=application/x-tgz,.tar=application/x-tar,.zip=application/zip,.gif=image/gif,.jpg=image/jpeg,.jpeg=image/jpeg,.png=image/png,.css=text/css,.html=text/html,.htm=text/html,.js=text/javascript,.c=text/plain,.cpp=text/plain,.log=text/plain,.conf=text/plain,.text=text/plain,.txt=text/plain,.dtd=text/xml,.bz2=application/x-bzip,.tbz=application/x-bzip-compressed-tar,.tar.bz2=application/x-bzip-compressed-tar
EOF
}

plackup_conf () {
	# generate a standalone 'plackup' server script in $fqgitdir/gitweb
	# with embedded configuration; it does not use "$conf" file
	cat > "$fqgitdir/gitweb/gitweb.psgi" <<EOF
#!$PERL

# gitweb - simple web interface to track changes in git repositories
#          PSGI wrapper and server starter (see http://plackperl.org)

use strict;

use IO::Handle;
use Plack::MIME;
use Plack::Builder;
use Plack::App::WrapCGI;
use CGI::Emulate::PSGI 0.07; # minimum version required to work with gitweb

# mimetype mapping (from lighttpd_conf)
Plack::MIME->add_type(
	".pdf"          =>      "application/pdf",
	".sig"          =>      "application/pgp-signature",
	".spl"          =>      "application/futuresplash",
	".class"        =>      "application/octet-stream",
	".ps"           =>      "application/postscript",
	".torrent"      =>      "application/x-bittorrent",
	".dvi"          =>      "application/x-dvi",
	".gz"           =>      "application/x-gzip",
	".pac"          =>      "application/x-ns-proxy-autoconfig",
	".swf"          =>      "application/x-shockwave-flash",
	".tar.gz"       =>      "application/x-tgz",
	".tgz"          =>      "application/x-tgz",
	".tar"          =>      "application/x-tar",
	".zip"          =>      "application/zip",
	".mp3"          =>      "audio/mpeg",
	".m3u"          =>      "audio/x-mpegurl",
	".wma"          =>      "audio/x-ms-wma",
	".wax"          =>      "audio/x-ms-wax",
	".ogg"          =>      "application/ogg",
	".wav"          =>      "audio/x-wav",
	".gif"          =>      "image/gif",
	".jpg"          =>      "image/jpeg",
	".jpeg"         =>      "image/jpeg",
	".png"          =>      "image/png",
	".xbm"          =>      "image/x-xbitmap",
	".xpm"          =>      "image/x-xpixmap",
	".xwd"          =>      "image/x-xwindowdump",
	".css"          =>      "text/css",
	".html"         =>      "text/html",
	".htm"          =>      "text/html",
	".js"           =>      "text/javascript",
	".asc"          =>      "text/plain",
	".c"            =>      "text/plain",
	".cpp"          =>      "text/plain",
	".log"          =>      "text/plain",
	".conf"         =>      "text/plain",
	".text"         =>      "text/plain",
	".txt"          =>      "text/plain",
	".dtd"          =>      "text/xml",
	".xml"          =>      "text/xml",
	".mpeg"         =>      "video/mpeg",
	".mpg"          =>      "video/mpeg",
	".mov"          =>      "video/quicktime",
	".qt"           =>      "video/quicktime",
	".avi"          =>      "video/x-msvideo",
	".asf"          =>      "video/x-ms-asf",
	".asx"          =>      "video/x-ms-asf",
	".wmv"          =>      "video/x-ms-wmv",
	".bz2"          =>      "application/x-bzip",
	".tbz"          =>      "application/x-bzip-compressed-tar",
	".tar.bz2"      =>      "application/x-bzip-compressed-tar",
	""              =>      "text/plain"
);

my \$app = builder {
	# to be able to override \$SIG{__WARN__} to log build time warnings
	use CGI::Carp; # it sets \$SIG{__WARN__} itself

	my \$logdir = "$fqgitdir/gitweb/$httpd_only";
	open my \$access_log_fh, '>>', "\$logdir/access.log"
		or die "Couldn't open access log '\$logdir/access.log': \$!";
	open my \$error_log_fh,  '>>', "\$logdir/error.log"
		or die "Couldn't open error log '\$logdir/error.log': \$!";

	\$access_log_fh->autoflush(1);
	\$error_log_fh->autoflush(1);

	# redirect build time warnings to error.log
	\$SIG{'__WARN__'} = sub {
		my \$msg = shift;
		# timestamp warning like in CGI::Carp::warn
		my \$stamp = CGI::Carp::stamp();
		\$msg =~ s/^/\$stamp/gm;
		print \$error_log_fh \$msg;
	};

	# write errors to error.log, access to access.log
	enable 'AccessLog',
		format => "combined",
		logger => sub { print \$access_log_fh @_; };
	enable sub {
		my \$app = shift;
		sub {
			my \$env = shift;
			\$env->{'psgi.errors'} = \$error_log_fh;
			\$app->(\$env);
		}
	};
	# gitweb currently doesn't work with $SIG{CHLD} set to 'IGNORE',
	# because it uses 'close $fd or die...' on piped filehandle $fh
	# (which causes the parent process to wait for child to finish).
	enable_if { \$SIG{'CHLD'} eq 'IGNORE' } sub {
		my \$app = shift;
		sub {
			my \$env = shift;
			local \$SIG{'CHLD'} = 'DEFAULT';
			local \$SIG{'CLD'}  = 'DEFAULT';
			\$app->(\$env);
		}
	};
	# serve static files, i.e. stylesheet, images, script
	enable 'Static',
		path => sub { m!\.(js|css|png)\$! && s!^/gitweb/!! },
		root => "$root/",
		encoding => 'utf-8'; # encoding for 'text/plain' files
	# convert CGI application to PSGI app
	Plack::App::WrapCGI->new(script => "$root/gitweb.cgi")->to_app;
};

# make it runnable as standalone app,
# like it would be run via 'plackup' utility
if (__FILE__ eq \$0) {
	require Plack::Runner;

	my \$runner = Plack::Runner->new();
	\$runner->parse_options(qw(--env deployment --port $port),
			       "$local" ? qw(--host 127.0.0.1) : ());
	\$runner->run(\$app);
}
__END__
EOF

	chmod a+x "$fqgitdir/gitweb/gitweb.psgi"
	# configuration is embedded in server script file, gitweb.psgi
	rm -f "$conf"
}

gitweb_conf() {
	cat > "$fqgitdir/gitweb/gitweb_config.perl" <<EOF
#!/usr/bin/perl
our \$projectroot = "$(dirname "$fqgitdir")";
our \$git_temp = "$fqgitdir/gitweb/tmp";
our \$projects_list = \$projectroot;
EOF
}

gitweb_conf

resolve_full_httpd
mkdir -p "$fqgitdir/gitweb/$httpd_only"

case "$httpd" in
*lighttpd*)
	lighttpd_conf
	;;
*apache2*)
	apache2_conf
	;;
webrick)
	webrick_conf
	;;
*mongoose*)
	mongoose_conf
	;;
*plackup*)
	plackup_conf
	;;
*)
	echo "Unknown httpd specified: $httpd"
	exit 1
	;;
esac

start_httpd
url=http://127.0.0.1:$port

if test -n "$browser"; then
	httpd_is_ready && git web--browse -b "$browser" $url || echo $url
else
	httpd_is_ready && git web--browse -c "instaweb.browser" $url || echo $url
fi
Commit	Line	Data
a51d37c1 EW	1	#!/bin/sh
	2	#
	3	# Copyright (c) 2006 Eric Wong
	4	#
c2db2e0e	5
c5699693	6	PERL='@@PERL@@'
c2db2e0e PH	7	OPTIONS_KEEPDASHDASH=
c2db2e0e PH	8	OPTIONS_SPEC="\
1b1dd23f	9	git instaweb [options] (--start \| --stop \| --restart)
c2db2e0e PH	10	--
	11	l,local only bind on 127.0.0.1
	12	p,port= the port to bind to
	13	d,httpd= the command to launch
	14	b,browser= the browser to launch
	15	m,module-path= the module path (only needed for apache2)
	16	Action
	17	stop stop the web server
	18	start start the web server
	19	restart restart the web server
	20	"
a51d37c1 EW	21
	22	. git-sh-setup
	23
b2bc9a30	24	fqgitdir="$GIT_DIR"
43d60d2e FP	25	local="$(git config --bool --get instaweb.local)"
43d60d2e FP	26	httpd="$(git config --get instaweb.httpd)"
c0cb4ed3	27	root="$(git config --get instaweb.gitwebdir)"
43d60d2e FP	28	port=$(git config --get instaweb.port)
43d60d2e FP	29	module_path="$(git config --get instaweb.modulepath)"
a51d37c1	30
9126425d	31	conf="$GIT_DIR/gitweb/httpd.conf"
a51d37c1 EW	32
	33	# Defaults:
	34
82e5a82f	35	# if installed, it doesn't need further configuration (module_path)
a51d37c1 EW	36	test -z "$httpd" && httpd='lighttpd -f'
a51d37c1 EW	37
c0cb4ed3 PKS	38	# Default is @@GITWEBDIR@@
	39	test -z "$root" && root='@@GITWEBDIR@@'
	40
a51d37c1 EW	41	# any untaken local port will do...
	42	test -z "$port" && port=1234
	43
43d60d2e FP	44	resolve_full_httpd () {
	45	case "$httpd" in
	46	apache2\|lighttpd)
	47	# ensure that the apache2/lighttpd command ends with "-f"
e1622bfc	48	if ! echo "$httpd" \| sane_grep -- '-f *$' >/dev/null 2>&1
43d60d2e FP	49	then
	50	httpd="$httpd -f"
	51	fi
	52	;;
78646987 JN	53	plackup)
	54	# server is started by running via generated gitweb.psgi in $fqgitdir/gitweb
	55	full_httpd="$fqgitdir/gitweb/gitweb.psgi"
	56	httpd_only="${httpd%% *}" # cut on first space
	57	return
	58	;;
43d60d2e FP	59	esac
	60
	61	httpd_only="$(echo $httpd \| cut -f1 -d' ')"
e47eec8f	62	if case "$httpd_only" in /) : ;; ) which $httpd_only >/dev/null 2>&1;; esac
a51d37c1	63	then
43d60d2e	64	full_httpd=$httpd
a51d37c1 EW	65	else
	66	# many httpds are installed in /usr/sbin or /usr/local/sbin
	67	# these days and those are not in most users $PATHs
14b45b66 MD	68	# in addition, we may have generated a server script
14b45b66 MD	69	# in $fqgitdir/gitweb.
c0cb4ed3	70	for i in /usr/local/sbin /usr/sbin "$root" "$fqgitdir/gitweb"
a51d37c1 EW	71	do
	72	if test -x "$i/$httpd_only"
	73	then
43d60d2e	74	full_httpd=$i/$httpd
a51d37c1 EW	75	return
	76	fi
	77	done
43d60d2e FP	78
	79	echo >&2 "$httpd_only not found. Install $httpd_only or use" \
	80	"--httpd to specify another httpd daemon."
f281e3a1	81	exit 1
a51d37c1	82	fi
43d60d2e FP	83	}
	84
	85	start_httpd () {
0b624b4c SB	86	if test -f "$fqgitdir/pid"; then
	87	say "Instance already running. Restarting..."
	88	stop_httpd
	89	fi
	90
43d60d2e FP	91	# here $httpd should have a meaningful value
	92	resolve_full_httpd
	93
	94	# don't quote $full_httpd, there can be arguments to it (-f)
0ded4758	95	case "$httpd" in
78646987 JN	96	mongoose\|plackup)
78646987 JN	97	#These servers don't have a daemon mode so we'll have to fork it
0ded4758 WL	98	$full_httpd "$fqgitdir/gitweb/httpd.conf" &
	99	#Save the pid before doing anything else (we'll print it later)
	100	pid=$!
	101
	102	if test $? != 0; then
	103	echo "Could not execute http daemon $httpd."
	104	exit 1
	105	fi
	106
	107	cat > "$fqgitdir/pid" <<EOF
	108	$pid
	109	EOF
	110	;;
	111	*)
	112	$full_httpd "$fqgitdir/gitweb/httpd.conf"
	113	if test $? != 0; then
	114	echo "Could not execute http daemon $httpd."
	115	exit 1
	116	fi
	117	;;
	118	esac
a51d37c1 EW	119	}
	120
	121	stop_httpd () {
43d60d2e	122	test -f "$fqgitdir/pid" && kill $(cat "$fqgitdir/pid")
d1127622	123	rm -f "$fqgitdir/pid"
a51d37c1 EW	124	}
a51d37c1 EW	125
d94775e1 JN	126	httpd_is_ready () {
	127	"$PERL" -MIO::Socket::INET -e "
	128	local \$\| = 1; # turn on autoflush
	129	exit if (IO::Socket::INET->new('127.0.0.1:$port'));
	130	print 'Waiting for \'$httpd\' to start ..';
	131	do {
	132	print '.';
	133	sleep(1);
	134	} until (IO::Socket::INET->new('127.0.0.1:$port'));
	135	print qq! (done)\n!;
	136	"
	137	}
	138
822f7c73	139	while test $# != 0
a51d37c1 EW	140	do
	141	case "$1" in
	142	--stop\|stop)
	143	stop_httpd
	144	exit 0
	145	;;
	146	--start\|start)
	147	start_httpd
	148	exit 0
	149	;;
	150	--restart\|restart)
	151	stop_httpd
	152	start_httpd
	153	exit 0
	154	;;
c2db2e0e	155	-l\|--local)
a51d37c1 EW	156	local=true
a51d37c1 EW	157	;;
c2db2e0e PH	158	-d\|--httpd)
	159	shift
	160	httpd="$1"
	161	;;
	162	-b\|--browser)
	163	shift
	164	browser="$1"
a51d37c1	165	;;
c2db2e0e PH	166	-p\|--port)
	167	shift
	168	port="$1"
a51d37c1	169	;;
c2db2e0e PH	170	-m\|--module-path)
	171	shift
	172	module_path="$1"
a51d37c1	173	;;
c2db2e0e	174	--)
a51d37c1 EW	175	;;
	176	*)
	177	usage
	178	;;
	179	esac
	180	shift
	181	done
	182
	183	mkdir -p "$GIT_DIR/gitweb/tmp"
43d60d2e	184	GIT_EXEC_PATH="$(git --exec-path)"
a51d37c1	185	GIT_DIR="$fqgitdir"
c0cb4ed3 PKS	186	GITWEB_CONFIG="$fqgitdir/gitweb/gitweb_config.perl"
c0cb4ed3 PKS	187	export GIT_EXEC_PATH GIT_DIR GITWEB_CONFIG
a51d37c1	188
425b78e8 MD	189	webrick_conf () {
	190	# generate a standalone server script in $fqgitdir/gitweb.
	191	cat >"$fqgitdir/gitweb/$httpd.rb" <<EOF
	192	require 'webrick'
	193	require 'yaml'
	194	options = YAML::load_file(ARGV[0])
	195	options[:StartCallback] = proc do
	196	File.open(options[:PidFile],"w") do \|f\|
	197	f.puts Process.pid
	198	end
	199	end
	200	options[:ServerType] = WEBrick::Daemon
	201	server = WEBrick::HTTPServer.new(options)
	202	['INT', 'TERM'].each do \|signal\|
	203	trap(signal) {server.shutdown}
	204	end
	205	server.start
	206	EOF
	207	# generate a shell script to invoke the above ruby script,
	208	# which assumes _ruby_ is in the user's $PATH. that's _one_
	209	# portable way to run ruby, which could be installed anywhere,
	210	# really.
	211	cat >"$fqgitdir/gitweb/$httpd" <<EOF
	212	#!/bin/sh
	213	exec ruby "$fqgitdir/gitweb/$httpd.rb" \$*
	214	EOF
	215	chmod +x "$fqgitdir/gitweb/$httpd"
	216
	217	cat >"$conf" <<EOF
	218	:Port: $port
c0cb4ed3	219	:DocumentRoot: "$root"
425b78e8 MD	220	:DirectoryIndex: ["gitweb.cgi"]
	221	:PidFile: "$fqgitdir/pid"
	222	EOF
	223	test "$local" = true && echo ':BindAddress: "127.0.0.1"' >> "$conf"
	224	}
	225
a51d37c1 EW	226	lighttpd_conf () {
a51d37c1 EW	227	cat > "$conf" <<EOF
c0cb4ed3	228	server.document-root = "$root"
a51d37c1	229	server.port = $port
e47eec8f	230	server.modules = ( "mod_setenv", "mod_cgi" )
a51d37c1 EW	231	server.indexfiles = ( "gitweb.cgi" )
a51d37c1 EW	232	server.pid-file = "$fqgitdir/pid"
be5347b3	233	server.errorlog = "$fqgitdir/gitweb/$httpd_only/error.log"
e47eec8f RJ	234
	235	# to enable, add "mod_access", "mod_accesslog" to server.modules
	236	# variable above and uncomment this
be5347b3	237	#accesslog.filename = "$fqgitdir/gitweb/$httpd_only/access.log"
e47eec8f	238
c0cb4ed3	239	setenv.add-environment = ( "PATH" => env.PATH, "GITWEB_CONFIG" => env.GITWEB_CONFIG )
e47eec8f	240
a51d37c1	241	cgi.assign = ( ".cgi" => "" )
e47eec8f RJ	242
	243	# mimetype mapping
	244	mimetype.assign = (
	245	".pdf" => "application/pdf",
	246	".sig" => "application/pgp-signature",
	247	".spl" => "application/futuresplash",
	248	".class" => "application/octet-stream",
	249	".ps" => "application/postscript",
	250	".torrent" => "application/x-bittorrent",
	251	".dvi" => "application/x-dvi",
	252	".gz" => "application/x-gzip",
	253	".pac" => "application/x-ns-proxy-autoconfig",
	254	".swf" => "application/x-shockwave-flash",
	255	".tar.gz" => "application/x-tgz",
	256	".tgz" => "application/x-tgz",
	257	".tar" => "application/x-tar",
	258	".zip" => "application/zip",
	259	".mp3" => "audio/mpeg",
	260	".m3u" => "audio/x-mpegurl",
	261	".wma" => "audio/x-ms-wma",
	262	".wax" => "audio/x-ms-wax",
	263	".ogg" => "application/ogg",
	264	".wav" => "audio/x-wav",
	265	".gif" => "image/gif",
	266	".jpg" => "image/jpeg",
	267	".jpeg" => "image/jpeg",
	268	".png" => "image/png",
	269	".xbm" => "image/x-xbitmap",
	270	".xpm" => "image/x-xpixmap",
	271	".xwd" => "image/x-xwindowdump",
	272	".css" => "text/css",
	273	".html" => "text/html",
	274	".htm" => "text/html",
	275	".js" => "text/javascript",
	276	".asc" => "text/plain",
	277	".c" => "text/plain",
	278	".cpp" => "text/plain",
	279	".log" => "text/plain",
	280	".conf" => "text/plain",
	281	".text" => "text/plain",
	282	".txt" => "text/plain",
	283	".dtd" => "text/xml",
	284	".xml" => "text/xml",
	285	".mpeg" => "video/mpeg",
	286	".mpg" => "video/mpeg",
	287	".mov" => "video/quicktime",
	288	".qt" => "video/quicktime",
	289	".avi" => "video/x-msvideo",
	290	".asf" => "video/x-ms-asf",
	291	".asx" => "video/x-ms-asf",
	292	".wmv" => "video/x-ms-wmv",
	293	".bz2" => "application/x-bzip",
	294	".tbz" => "application/x-bzip-compressed-tar",
	295	".tar.bz2" => "application/x-bzip-compressed-tar",
	296	"" => "text/plain"
	297	)
a51d37c1	298	EOF
9126425d	299	test x"$local" = xtrue && echo 'server.bind = "127.0.0.1"' >> "$conf"
a51d37c1 EW	300	}
	301
	302	apache2_conf () {
	303	test -z "$module_path" && module_path=/usr/lib/apache2/modules
a51d37c1	304	bind=
9126425d	305	test x"$local" = xtrue && bind='127.0.0.1:'
e24c76bf	306	echo 'text/css css' > "$fqgitdir/mime.types"
a51d37c1	307	cat > "$conf" <<EOF
44a167b0	308	ServerName "git-instaweb"
c0cb4ed3 PKS	309	ServerRoot "$root"
c0cb4ed3 PKS	310	DocumentRoot "$root"
be5347b3 PKS	311	ErrorLog "$fqgitdir/gitweb/$httpd_only/error.log"
be5347b3 PKS	312	CustomLog "$fqgitdir/gitweb/$httpd_only/access.log" combined
a51d37c1 EW	313	PidFile "$fqgitdir/pid"
a51d37c1 EW	314	Listen $bind$port
44a167b0 EW	315	EOF
	316
	317	for mod in mime dir; do
	318	if test -e $module_path/mod_${mod}.so; then
	319	echo "LoadModule ${mod}_module " \
	320	"$module_path/mod_${mod}.so" >> "$conf"
	321	fi
	322	done
	323	cat >> "$conf" <<EOF
e24c76bf	324	TypesConfig "$fqgitdir/mime.types"
a51d37c1 EW	325	DirectoryIndex gitweb.cgi
	326	EOF
	327
	328	# check to see if Dennis Stosberg's mod_perl compatibility patch
	329	# (<20060621130708.Gcbc6e5c@leonov.stosberg.net>) has been applied
e1622bfc	330	if test -f "$module_path/mod_perl.so" &&
c0cb4ed3	331	sane_grep 'MOD_PERL' "$root/gitweb.cgi" >/dev/null
a51d37c1 EW	332	then
	333	# favor mod_perl if available
	334	cat >> "$conf" <<EOF
	335	LoadModule perl_module $module_path/mod_perl.so
	336	PerlPassEnv GIT_DIR
	337	PerlPassEnv GIT_EXEC_DIR
c0cb4ed3	338	PerlPassEnv GITWEB_CONFIG
a51d37c1 EW	339	<Location /gitweb.cgi>
	340	SetHandler perl-script
	341	PerlResponseHandler ModPerl::Registry
	342	PerlOptions +ParseHeaders
	343	Options +ExecCGI
	344	</Location>
	345	EOF
	346	else
	347	# plain-old CGI
43d60d2e	348	resolve_full_httpd
9524cf29	349	list_mods=$(echo "$full_httpd" \| sed 's/-f$/-l/')
e1622bfc	350	$list_mods \| sane_grep 'mod_cgi\.c' >/dev/null 2>&1 \|\| \
10d1432a MR	351	if test -f "$module_path/mod_cgi.so"
	352	then
	353	echo "LoadModule cgi_module $module_path/mod_cgi.so" >> "$conf"
	354	else
	355	$list_mods \| grep 'mod_cgid\.c' >/dev/null 2>&1 \|\| \
	356	if test -f "$module_path/mod_cgid.so"
	357	then
	358	echo "LoadModule cgid_module $module_path/mod_cgid.so" \
	359	>> "$conf"
	360	else
	361	echo "You have no CGI support!"
	362	exit 2
	363	fi
	364	echo "ScriptSock logs/gitweb.sock" >> "$conf"
	365	fi
a51d37c1	366	cat >> "$conf" <<EOF
a51d37c1 EW	367	AddHandler cgi-script .cgi
	368	<Location /gitweb.cgi>
	369	Options +ExecCGI
	370	</Location>
	371	EOF
	372	fi
	373	}
	374
0ded4758 WL	375	mongoose_conf() {
	376	cat > "$conf" <<EOF
	377	# Mongoose web server configuration file.
	378	# Lines starting with '#' and empty lines are ignored.
	379	# For detailed description of every option, visit
	380	# http://code.google.com/p/mongoose/wiki/MongooseManual
	381
c0cb4ed3	382	root $root
0ded4758 WL	383	ports $port
	384	index_files gitweb.cgi
	385	#ssl_cert $fqgitdir/gitweb/ssl_cert.pem
be5347b3 PKS	386	error_log $fqgitdir/gitweb/$httpd_only/error.log
be5347b3 PKS	387	access_log $fqgitdir/gitweb/$httpd_only/access.log
0ded4758 WL	388
0ded4758 WL	389	#cgi setup
c0cb4ed3	390	cgi_env PATH=$PATH,GIT_DIR=$GIT_DIR,GIT_EXEC_PATH=$GIT_EXEC_PATH,GITWEB_CONFIG=$GITWEB_CONFIG
0ded4758 WL	391	cgi_interp $PERL
	392	cgi_ext cgi,pl
	393
	394	# mimetype mapping
	395	mime_types .gz=application/x-gzip,.tar.gz=application/x-tgz,.tgz=application/x-tgz,.tar=application/x-tar,.zip=application/zip,.gif=image/gif,.jpg=image/jpeg,.jpeg=image/jpeg,.png=image/png,.css=text/css,.html=text/html,.htm=text/html,.js=text/javascript,.c=text/plain,.cpp=text/plain,.log=text/plain,.conf=text/plain,.text=text/plain,.txt=text/plain,.dtd=text/xml,.bz2=application/x-bzip,.tbz=application/x-bzip-compressed-tar,.tar.bz2=application/x-bzip-compressed-tar
	396	EOF
	397	}
	398
78646987 JN	399	plackup_conf () {
	400	# generate a standalone 'plackup' server script in $fqgitdir/gitweb
	401	# with embedded configuration; it does not use "$conf" file
	402	cat > "$fqgitdir/gitweb/gitweb.psgi" <<EOF
	403	#!$PERL
	404
	405	# gitweb - simple web interface to track changes in git repositories
	406	# PSGI wrapper and server starter (see http://plackperl.org)
	407
	408	use strict;
	409
	410	use IO::Handle;
	411	use Plack::MIME;
	412	use Plack::Builder;
	413	use Plack::App::WrapCGI;
	414	use CGI::Emulate::PSGI 0.07; # minimum version required to work with gitweb
	415
	416	# mimetype mapping (from lighttpd_conf)
	417	Plack::MIME->add_type(
	418	".pdf" => "application/pdf",
	419	".sig" => "application/pgp-signature",
	420	".spl" => "application/futuresplash",
	421	".class" => "application/octet-stream",
	422	".ps" => "application/postscript",
	423	".torrent" => "application/x-bittorrent",
	424	".dvi" => "application/x-dvi",
	425	".gz" => "application/x-gzip",
	426	".pac" => "application/x-ns-proxy-autoconfig",
	427	".swf" => "application/x-shockwave-flash",
	428	".tar.gz" => "application/x-tgz",
	429	".tgz" => "application/x-tgz",
	430	".tar" => "application/x-tar",
	431	".zip" => "application/zip",
	432	".mp3" => "audio/mpeg",
	433	".m3u" => "audio/x-mpegurl",
	434	".wma" => "audio/x-ms-wma",
	435	".wax" => "audio/x-ms-wax",
	436	".ogg" => "application/ogg",
	437	".wav" => "audio/x-wav",
	438	".gif" => "image/gif",
	439	".jpg" => "image/jpeg",
	440	".jpeg" => "image/jpeg",
	441	".png" => "image/png",
	442	".xbm" => "image/x-xbitmap",
	443	".xpm" => "image/x-xpixmap",
	444	".xwd" => "image/x-xwindowdump",
	445	".css" => "text/css",
	446	".html" => "text/html",
	447	".htm" => "text/html",
	448	".js" => "text/javascript",
	449	".asc" => "text/plain",
	450	".c" => "text/plain",
	451	".cpp" => "text/plain",
	452	".log" => "text/plain",
	453	".conf" => "text/plain",
	454	".text" => "text/plain",
	455	".txt" => "text/plain",
	456	".dtd" => "text/xml",
	457	".xml" => "text/xml",
	458	".mpeg" => "video/mpeg",
	459	".mpg" => "video/mpeg",
	460	".mov" => "video/quicktime",
	461	".qt" => "video/quicktime",
	462	".avi" => "video/x-msvideo",
463	".asf" => "video/x-ms-asf",
464	".asx" => "video/x-ms-asf",
465	".wmv" => "video/x-ms-wmv",
466	".bz2" => "application/x-bzip",
467	".tbz" => "application/x-bzip-compressed-tar",
468	".tar.bz2" => "application/x-bzip-compressed-tar",
469	"" => "text/plain"
470	);
471
472	my \$app = builder {
473	# to be able to override \$SIG{__WARN__} to log build time warnings
474	use CGI::Carp; # it sets \$SIG{__WARN__} itself
475
476	my \$logdir = "$fqgitdir/gitweb/$httpd_only";
477	open my \$access_log_fh, '>>', "\$logdir/access.log"
478	or die "Couldn't open access log '\$logdir/access.log': \$!";
479	open my \$error_log_fh, '>>', "\$logdir/error.log"
480	or die "Couldn't open error log '\$logdir/error.log': \$!";
481
482	\$access_log_fh->autoflush(1);
483	\$error_log_fh->autoflush(1);
484
485	# redirect build time warnings to error.log
486	\$SIG{'__WARN__'} = sub {
487	my \$msg = shift;
488	# timestamp warning like in CGI::Carp::warn
489	my \$stamp = CGI::Carp::stamp();
490	\$msg =~ s/^/\$stamp/gm;
491	print \$error_log_fh \$msg;
492	};
493
494	# write errors to error.log, access to access.log
495	enable 'AccessLog',
496	format => "combined",
497	logger => sub { print \$access_log_fh @_; };
498	enable sub {
499	my \$app = shift;
500	sub {
501	my \$env = shift;
502	\$env->{'psgi.errors'} = \$error_log_fh;
503	\$app->(\$env);
504	}
505	};
506	# gitweb currently doesn't work with $SIG{CHLD} set to 'IGNORE',
507	# because it uses 'close $fd or die...' on piped filehandle $fh
508	# (which causes the parent process to wait for child to finish).
509	enable_if { \$SIG{'CHLD'} eq 'IGNORE' } sub {
510	my \$app = shift;
511	sub {
512	my \$env = shift;
513	local \$SIG{'CHLD'} = 'DEFAULT';
514	local \$SIG{'CLD'} = 'DEFAULT';
515	\$app->(\$env);
516	}
517	};
518	# serve static files, i.e. stylesheet, images, script
519	enable 'Static',
520	path => sub { m!\.(js\|css\|png)\$! && s!^/gitweb/!! },
521	root => "$root/",
522	encoding => 'utf-8'; # encoding for 'text/plain' files
523	# convert CGI application to PSGI app
524	Plack::App::WrapCGI->new(script => "$root/gitweb.cgi")->to_app;
525	};
526
527	# make it runnable as standalone app,
528	# like it would be run via 'plackup' utility
529	if (__FILE__ eq \$0) {
530	require Plack::Runner;
531
532	my \$runner = Plack::Runner->new();
533	\$runner->parse_options(qw(--env deployment --port $port),
534	"$local" ? qw(--host 127.0.0.1) : ());
535	\$runner->run(\$app);
536	}
537	__END__
538	EOF
539
540	chmod a+x "$fqgitdir/gitweb/gitweb.psgi"
541	# configuration is embedded in server script file, gitweb.psgi
542	rm -f "$conf"
543	}
544
c0cb4ed3 PKS	545	gitweb_conf() {
	546	cat > "$fqgitdir/gitweb/gitweb_config.perl" <<EOF
	547	#!/usr/bin/perl
	548	our \$projectroot = "$(dirname "$fqgitdir")";
	549	our \$git_temp = "$fqgitdir/gitweb/tmp";
	550	our \$projects_list = \$projectroot;
	551	EOF
4af819d4 JN	552	}
4af819d4 JN	553
c0cb4ed3	554	gitweb_conf
a51d37c1	555
be5347b3 PKS	556	resolve_full_httpd
	557	mkdir -p "$fqgitdir/gitweb/$httpd_only"
	558
a51d37c1 EW	559	case "$httpd" in
	560	lighttpd)
	561	lighttpd_conf
	562	;;
	563	apache2)
	564	apache2_conf
	565	;;
425b78e8 MD	566	webrick)
	567	webrick_conf
	568	;;
0ded4758 WL	569	mongoose)
	570	mongoose_conf
	571	;;
78646987 JN	572	plackup)
	573	plackup_conf
	574	;;
a51d37c1 EW	575	*)
	576	echo "Unknown httpd specified: $httpd"
	577	exit 1
	578	;;
	579	esac
	580
	581	start_httpd
5209eda8	582	url=http://127.0.0.1:$port
2e0c2902 CC	583
2e0c2902 CC	584	if test -n "$browser"; then
d94775e1	585	httpd_is_ready && git web--browse -b "$browser" $url \|\| echo $url
2e0c2902	586	else
d94775e1	587	httpd_is_ready && git web--browse -c "instaweb.browser" $url \|\| echo $url
2e0c2902	588	fi