SubmittingPatches: document how to reference previous commits

diff --git a/git-instaweb.sh b/git-instaweb.sh
index e6f6ecda177c66a79b18359f7bf8cad9c4744c8c..47e38f34c3a871349630660e6e3387d554c29d36 100755 (executable)
--- a/git-instaweb.sh
+++ b/git-instaweb.sh
@@ -5,6 +5,7 @@
 
 PERL='@@PERL@@'
 OPTIONS_KEEPDASHDASH=
+OPTIONS_STUCKLONG=
 OPTIONS_SPEC="\
 git instaweb [options] (--start | --stop | --restart)
 --
@@ -19,6 +20,7 @@ start          start the web server
 restart        restart the web server
 "
 
+SUBDIRECTORY_OK=Yes
 . git-sh-setup
 
 fqgitdir="$GIT_DIR"
@@ -27,6 +29,7 @@ httpd="$(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"
 
@@ -98,12 +101,18 @@ start_httpd () {
 
        # 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
-               $full_httpd "$fqgitdir/gitweb/httpd.conf" &
+               $full_httpd "$conf" &
                #Save the pid before doing anything else (we'll print it later)
                pid=$!
 
@@ -117,7 +126,7 @@ $pid
 EOF
                ;;
        *)
-               $full_httpd "$fqgitdir/gitweb/httpd.conf"
+               $full_httpd "$conf"
                if test $? != 0; then
                        echo "Could not execute http daemon $httpd."
                        exit 1
@@ -148,17 +157,13 @@ while test $# != 0
 do
        case "$1" in
        --stop|stop)
-               stop_httpd
-               exit 0
+               action="stop"
                ;;
        --start|start)
-               start_httpd
-               exit 0
+               action="start"
                ;;
        --restart|restart)
-               stop_httpd
-               start_httpd
-               exit 0
+               action="restart"
                ;;
        -l|--local)
                local=true
@@ -200,7 +205,7 @@ webrick_conf () {
        # actual gitweb.cgi using a shell script to force it
   wrapper="$fqgitdir/gitweb/$httpd/wrapper.sh"
        cat > "$wrapper" <<EOF
-#!/bin/sh
+#!@SHELL_PATH@
 # 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
@@ -341,7 +346,17 @@ PidFile "$fqgitdir/pid"
 Listen $bind$port
 EOF
 
-       for mod in mime dir env log_config
+       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
@@ -558,12 +573,14 @@ my \$app = builder {
 
 # make it runnable as standalone app,
 # like it would be run via 'plackup' utility
-if (__FILE__ eq \$0) {
+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) : ());
+                               "$local" ? qw(--host 127.0.0.1) : ());
        \$runner->run(\$app);
 }
 __END__
@@ -576,40 +593,63 @@ EOF
 
 gitweb_conf() {
        cat > "$fqgitdir/gitweb/gitweb_config.perl" <<EOF
-#!/usr/bin/perl
+#!@@PERL@@
 our \$projectroot = "$(dirname "$fqgitdir")";
 our \$git_temp = "$fqgitdir/gitweb/tmp";
 our \$projects_list = \$projectroot;
+
+\$feature{'remote_heads'}{'default'} = [1];
 EOF
 }
 
-gitweb_conf
-
-resolve_full_httpd
-mkdir -p "$fqgitdir/gitweb/$httpd_only"
+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 "$httpd" in
-*lighttpd*)
-       lighttpd_conf
+case "$action" in
+stop)
+       stop_httpd
+       exit 0
        ;;
-*apache2*|*httpd*)
-       apache2_conf
+start)
+       start_httpd
+       exit 0
        ;;
-webrick)
-       webrick_conf
-       ;;
-*mongoose*)
-       mongoose_conf
-       ;;
-*plackup*)
-       plackup_conf
-       ;;
-*)
-       echo "Unknown httpd specified: $httpd"
-       exit 1
+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