Merge branch 'ns/am-abort'

diff --git a/git-am.sh b/git-am.sh
index 52b5669b431140cb44cc65a25ae980f45d70fbe0..60aaa4a583d3e2466ea788d7047a9fc8252b1fe6 100755 (executable)
--- a/git-am.sh
+++ b/git-am.sh
@@ -5,9 +5,9 @@
 SUBDIRECTORY_OK=Yes
 OPTIONS_KEEPDASHDASH=
 OPTIONS_SPEC="\
-git-am [options] [<mbox>|<Maildir>...]
-git-am [options] --resolved
-git-am [options] --skip
+git am [options] [<mbox>|<Maildir>...]
+git am [options] --resolved
+git am [options] --skip
 --
 d,dotest=       (removed -- do not use)
 i,interactive   run interactively
@@ -22,6 +22,7 @@ p=              pass it through git-apply
 resolvemsg=     override error message when patch failure occurs
 r,resolved      to be used after a patch failure
 skip            skip the current patch
+abort           restore the original branch and abort the patching operation.
 rebasing        (internal use for git-rebase)"
 
 . git-sh-setup
@@ -54,6 +55,7 @@ stop_here_user_resolve () {
     fi
     echo "When you have resolved this problem run \"$cmdline --resolved\"."
     echo "If you would prefer to skip this patch, instead run \"$cmdline --skip\"."
+    echo "To restore the original branch and stop patching run \"$cmdline --abort\"."
 
     stop_here $1
 }
@@ -119,8 +121,8 @@ It does not apply to blobs recorded in its index."
 }
 
 prec=4
-dotest=".dotest"
-sign= utf8=t keep= skip= interactive= resolved= binary= rebasing=
+dotest="$GIT_DIR/rebase"
+sign= utf8=t keep= skip= interactive= resolved= binary= rebasing= abort=
 resolvemsg= resume=
 git_apply_opt=
 
@@ -145,6 +147,8 @@ do
                resolved=t ;;
        --skip)
                skip=t ;;
+       --abort)
+               abort=t ;;
        --rebasing)
                rebasing=t threeway=t keep=t binary=t ;;
        -d|--dotest)
@@ -177,7 +181,7 @@ fi
 
 if test -d "$dotest"
 then
-       case "$#,$skip$resolved" in
+       case "$#,$skip$resolved$abort" in
        0,*t*)
                # Explicit resume command and we do not have file, so
                # we are happy.
@@ -195,11 +199,20 @@ then
                false
                ;;
        esac ||
-       die "previous dotest directory $dotest still exists but mbox given."
+       die "previous rebase directory $dotest still exists but mbox given."
        resume=yes
+
+       case "$abort" in
+       t)
+               git rerere clear
+               git read-tree --reset -u HEAD ORIG_HEAD
+               git reset ORIG_HEAD
+               rm -fr "$dotest"
+               exit ;;
+       esac
 else
-       # Make sure we are not given --skip nor --resolved
-       test ",$skip,$resolved," = ,,, ||
+       # Make sure we are not given --skip, --resolved, nor --abort
+       test "$skip$resolved$abort" = "" ||
                die "Resolve operation not in progress, we are not resuming."
 
        # Start afresh.
@@ -325,7 +338,7 @@ do
                        <"$dotest"/info >/dev/null &&
                        go_next && continue
 
-               test -s $dotest/patch || {
+               test -s "$dotest/patch" || {
                        echo "Patch is empty.  Was it split wrong?"
                        stop_here $this
                }