git-rebase -i: clean-up error check codepath.

diff --git a/git-instaweb.sh b/git-instaweb.sh
index 95c3e5aa1f9bd5f0cec215ee2f81b2d4c36ea929..ad0723ccc64cc2cb7d0e79a165a68707d3ddfde7 100755 (executable)
--- a/git-instaweb.sh
+++ b/git-instaweb.sh
@@ -2,9 +2,22 @@
 #
 # Copyright (c) 2006 Eric Wong
 #
-USAGE='[--start] [--stop] [--restart]
-  [--local] [--httpd=<httpd>] [--port=<port>] [--browser=<browser>]
-  [--module-path=<path> (for Apache2 only)]'
+
+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
 
@@ -12,10 +25,11 @@ fqgitdir="$GIT_DIR"
 local="`git config --bool --get instaweb.local`"
 httpd="`git config --get instaweb.httpd`"
 browser="`git config --get instaweb.browser`"
+test -z "$browser" && browser="`git config --get web.browser`"
 port=`git config --get instaweb.port`
 module_path="`git config --get instaweb.modulepath`"
 
-conf=$GIT_DIR/gitweb/httpd.conf
+conf="$GIT_DIR/gitweb/httpd.conf"
 
 # Defaults:
 
@@ -32,7 +46,7 @@ start_httpd () {
        httpd_only="`echo $httpd | cut -f1 -d' '`"
        if case "$httpd_only" in /*) : ;; *) which $httpd_only >/dev/null;; esac
        then
-               $httpd $fqgitdir/gitweb/httpd.conf
+               $httpd "$fqgitdir/gitweb/httpd.conf"
        else
                # many httpds are installed in /usr/sbin or /usr/local/sbin
                # these days and those are not in most users $PATHs
@@ -78,52 +92,26 @@ do
                start_httpd
                exit 0
                ;;
-       --local|-l)
+       -l|--local)
                local=true
                ;;
-       -d|--httpd|--httpd=*)
-               case "$#,$1" in
-               *,*=*)
-                       httpd=`expr "$1" : '-[^=]*=\(.*\)'` ;;
-               1,*)
-                       usage ;;
-               *)
-                       httpd="$2"
-                       shift ;;
-               esac
+       -d|--httpd)
+               shift
+               httpd="$1"
+               ;;
+       -b|--browser)
+               shift
+               browser="$1"
                ;;
-       -b|--browser|--browser=*)
-               case "$#,$1" in
-               *,*=*)
-                       browser=`expr "$1" : '-[^=]*=\(.*\)'` ;;
-               1,*)
-                       usage ;;
-               *)
-                       browser="$2"
-                       shift ;;
-               esac
+       -p|--port)
+               shift
+               port="$1"
                ;;
-       -p|--port|--port=*)
-               case "$#,$1" in
-               *,*=*)
-                       port=`expr "$1" : '-[^=]*=\(.*\)'` ;;
-               1,*)
-                       usage ;;
-               *)
-                       port="$2"
-                       shift ;;
-               esac
+       -m|--module-path)
+               shift
+               module_path="$1"
                ;;
-       -m|--module-path=*|--module-path)
-               case "$#,$1" in
-               *,*=*)
-                       module_path=`expr "$1" : '-[^=]*=\(.*\)'` ;;
-               1,*)
-                       usage ;;
-               *)
-                       module_path="$2"
-                       shift ;;
-               esac
+       --)
                ;;
        *)
                usage
@@ -185,14 +173,14 @@ server.pid-file = "$fqgitdir/pid"
 cgi.assign = ( ".cgi" => "" )
 mimetype.assign = ( ".css" => "text/css" )
 EOF
-       test "$local" = true && echo 'server.bind = "127.0.0.1"' >> "$conf"
+       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 "$local" = true && bind='127.0.0.1:'
+       test x"$local" = xtrue && bind='127.0.0.1:'
        echo 'text/css css' > $fqgitdir/mime.types
        cat > "$conf" <<EOF
 ServerName "git-instaweb"
@@ -245,16 +233,18 @@ EOF
 }
 
 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'";#'
+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 > "$1.tmp" <<\EOFGITWEB
 @@GITWEB_CGI@@
 EOFGITWEB
-       sed "$script" "$1.tmp"  > "$1"
+       # Use the configured full path to perl to match the generated
+       # scripts' 'hashpling' line
+       "$PERL" -p -e "$script" "$1.tmp"  > "$1"
        chmod +x "$1"
        rm -f "$1.tmp"
 }
@@ -265,8 +255,8 @@ gitweb_css () {
 EOFGITWEB
 }
 
-gitweb_cgi $GIT_DIR/gitweb/gitweb.cgi
-gitweb_css $GIT_DIR/gitweb/gitweb.css
+gitweb_cgi "$GIT_DIR/gitweb/gitweb.cgi"
+gitweb_css "$GIT_DIR/gitweb/gitweb.css"
 
 case "$httpd" in
 *lighttpd*)
@@ -285,6 +275,5 @@ webrick)
 esac
 
 start_httpd
-test -z "$browser" && browser=echo
 url=http://127.0.0.1:$port
-$browser $url || echo $url
+test -n "$browser" && "$browser" $url || echo $url