Fix handling of optional argument to -j.

git-crup

 #!/bin/sh
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # A convenience script to largely replicate the behavior of `gclient sync` in a
 # submodule-based checkout.  Fetches latest commits for top-level solutions;
 # updates submodules; and runs post-sync hooks.
 
 j=10
@@ skipping 24 matching lines @@
       git ls-files -s | grep ^160000 | awk '{print $4}' |
       xargs $max_lines -P "$j" $ECHO git submodule update --init
     else
       echo "Warn: parallel execution is not supported on this platform."
       $ECHO git submodule update --init
     fi )
 }
 
 while test $# -ne 0; do
   case "$1" in
+    -j[0-9]*)
+      j=$(echo "$1" | cut -c3-)
+      ;;
+    --jobs=[0-9]*)
+     j=$(echo "$1" | cut -c8-)
+     ;;

[cmp, 2012/08/02 17:21:53]

increase indent on lines 49-50 by 1 space

[szager, 2012/08/02 17:23:50]

Done.

     -j|--jobs)
-      if test -n "$2"; then
-        j="$2"
-        shift
-      else
-        j=0
-      fi
+      case "$2" in
+        ''|-*)
+          j=0
+          ;;
+        *)
+          j="$2"
+          shift
+          ;;
+      esac
       ;;
     -n|--dry-run)
       ECHO=echo
       ;;
     -h|--help)
       usage
       exit 0
       ;;
     --fetch)
       pull=fetch
@@ skipping 20 matching lines @@
   exit 1
 fi
 
 ls -d */.git |
 while read gitdir; do
   parallel_update `dirname $gitdir`
 done
 
 gclient_spec="solutions=[{'name':'src','url':None,'deps_file':'.DEPS.git'}]"
 test "$hooks" = "yes" && gclient runhooks --spec="$gclient_spec"