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-rwxr-xr-xgit-instaweb.sh659
1 files changed, 659 insertions, 0 deletions
diff --git a/git-instaweb.sh b/git-instaweb.sh
new file mode 100755
index 0000000000..513efa662e
--- /dev/null
+++ b/git-instaweb.sh
@@ -0,0 +1,659 @@
+#!/bin/sh
+#
+# Copyright (c) 2006 Eric Wong
+#
+
+PERL='@@PERL@@'
+OPTIONS_KEEPDASHDASH=
+OPTIONS_STUCKLONG=
+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)"
+action="browse"
+
+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 "$httpd" in
+ *apache2*|*lighttpd*|*httpd*)
+ # yes, *httpd* covers *lighttpd* above, but it is there for clarity
+ # ensure that the apache2/lighttpd command ends with "-f"
+ if ! echo "$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
+ ;;
+ *webrick*)
+ # server is started by running via generated webrick.rb in
+ # $fqgitdir/gitweb
+ full_httpd="$fqgitdir/gitweb/webrick.rb"
+ 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 $httpd should have a meaningful value
+ resolve_full_httpd
+ mkdir -p "$fqgitdir/gitweb/$httpd_only"
+ conf="$fqgitdir/gitweb/$httpd_only.conf"
+
+ # generate correct config file if it doesn't exist
+ test -f "$conf" || configure_httpd
+ test -f "$fqgitdir/gitweb/gitweb_config.perl" || gitweb_conf
+
+ # 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
+ $full_httpd "$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
+ ;;
+ *)
+ $full_httpd "$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)
+ action="stop"
+ ;;
+ --start|start)
+ action="start"
+ ;;
+ --restart|restart)
+ action="restart"
+ ;;
+ -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="$fqgitdir/gitweb/gitweb_config.perl"
+export GIT_EXEC_PATH GIT_DIR GITWEB_CONFIG
+
+webrick_conf () {
+ # webrick seems to have no way of passing arbitrary environment
+ # variables to the underlying CGI executable, so we wrap the
+ # actual gitweb.cgi using a shell script to force it
+ wrapper="$fqgitdir/gitweb/$httpd/wrapper.sh"
+ cat > "$wrapper" <<EOF
+#!/bin/sh
+# we use this shell script wrapper around the real gitweb.cgi since
+# there appears to be no other way to pass arbitrary environment variables
+# into the CGI process
+GIT_EXEC_PATH=$GIT_EXEC_PATH GIT_DIR=$GIT_DIR GITWEB_CONFIG=$GITWEB_CONFIG
+export GIT_EXEC_PATH GIT_DIR GITWEB_CONFIG
+exec $root/gitweb.cgi
+EOF
+ chmod +x "$wrapper"
+
+ # This assumes _ruby_ is in the user's $PATH. that's _one_
+ # portable way to run ruby, which could be installed anywhere, really.
+ # generate a standalone server script in $fqgitdir/gitweb.
+ cat >"$fqgitdir/gitweb/$httpd.rb" <<EOF
+#!/usr/bin/env ruby
+require 'webrick'
+require 'logger'
+options = {
+ :Port => $port,
+ :DocumentRoot => "$root",
+ :Logger => Logger.new('$fqgitdir/gitweb/error.log'),
+ :AccessLog => [
+ [ Logger.new('$fqgitdir/gitweb/access.log'),
+ WEBrick::AccessLog::COMBINED_LOG_FORMAT ]
+ ],
+ :DirectoryIndex => ["gitweb.cgi"],
+ :CGIInterpreter => "$wrapper",
+ :StartCallback => lambda do
+ File.open("$fqgitdir/pid", "w") { |f| f.puts Process.pid }
+ end,
+ :ServerType => WEBrick::Daemon,
+}
+options[:BindAddress] = '127.0.0.1' if "$local" == "true"
+server = WEBrick::HTTPServer.new(options)
+['INT', 'TERM'].each do |signal|
+ trap(signal) {server.shutdown}
+end
+server.start
+EOF
+ chmod +x "$fqgitdir/gitweb/$httpd.rb"
+ # configuration is embedded in server script file, webrick.rb
+ rm -f "$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 () {
+ if test -z "$module_path"
+ then
+ test -d "/usr/lib/httpd/modules" &&
+ module_path="/usr/lib/httpd/modules"
+ test -d "/usr/lib/apache2/modules" &&
+ module_path="/usr/lib/apache2/modules"
+ fi
+ bind=
+ test x"$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 mpm_event mpm_prefork mpm_worker
+ do
+ if test -e $module_path/mod_${mod}.so
+ then
+ echo "LoadModule ${mod}_module " \
+ "$module_path/mod_${mod}.so" >> "$conf"
+ # only one mpm module permitted
+ break
+ fi
+ done
+ for mod in mime dir env log_config authz_core
+ 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 $module_path/mod_perl.so
+PerlPassEnv GIT_DIR
+PerlPassEnv GIT_EXEC_PATH
+PerlPassEnv GITWEB_CONFIG
+<Location /gitweb.cgi>
+ SetHandler perl-script
+ PerlResponseHandler ModPerl::Registry
+ PerlOptions +ParseHeaders
+ Options +ExecCGI
+</Location>
+EOF
+ else
+ # plain-old CGI
+ resolve_full_httpd
+ list_mods=$(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
+PassEnv GIT_DIR
+PassEnv GIT_EXEC_PATH
+PassEnv GITWEB_CONFIG
+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 (caller) {
+ return \$app;
+} else {
+ 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 > "$fqgitdir/gitweb/gitweb_config.perl" <<EOF
+#!@@PERL@@
+our \$projectroot = "$(dirname "$fqgitdir")";
+our \$git_temp = "$fqgitdir/gitweb/tmp";
+our \$projects_list = \$projectroot;
+
+\$feature{'remote_heads'}{'default'} = [1];
+EOF
+}
+
+configure_httpd() {
+ case "$httpd" in
+ *lighttpd*)
+ lighttpd_conf
+ ;;
+ *apache2*|*httpd*)
+ apache2_conf
+ ;;
+ webrick)
+ webrick_conf
+ ;;
+ *mongoose*)
+ mongoose_conf
+ ;;
+ *plackup*)
+ plackup_conf
+ ;;
+ *)
+ echo "Unknown httpd specified: $httpd"
+ exit 1
+ ;;
+ esac
+}
+
+case "$action" in
+stop)
+ stop_httpd
+ exit 0
+ ;;
+start)
+ start_httpd
+ exit 0
+ ;;
+restart)
+ stop_httpd
+ start_httpd
+ exit 0
+ ;;
+esac
+
+gitweb_conf
+
+resolve_full_httpd
+mkdir -p "$fqgitdir/gitweb/$httpd_only"
+conf="$fqgitdir/gitweb/$httpd_only.conf"
+
+configure_httpd
+
+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
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