push: fix segfault for odd config

diff --git a/git-am.sh b/git-am.sh
index 8bcb206022ae5d4ae82d2a37d8f79454c043ad78..d3390755fc687a611e89320a7bbfb4ead512c863 100755 (executable)
--- a/git-am.sh
+++ b/git-am.sh
@@ -221,6 +221,9 @@ then
        resume=yes
 
        case "$skip,$abort" in
+       t,t)
+               die "Please make up your mind. --skip or --abort?"
+               ;;
        t,)
                git rerere clear
                git read-tree --reset -u HEAD HEAD
@@ -229,12 +232,19 @@ then
                git update-ref ORIG_HEAD $orig_head
                ;;
        ,t)
+               if test -f "$dotest/rebasing"
+               then
+                       exec git rebase --abort
+               fi
                git rerere clear
-               git read-tree --reset -u HEAD ORIG_HEAD
-               git reset ORIG_HEAD
+               test -f "$dotest/dirtyindex" || {
+                       git read-tree --reset -u HEAD ORIG_HEAD
+                       git reset ORIG_HEAD
+               }
                rm -fr "$dotest"
                exit ;;
        esac
+       rm -f "$dotest/dirtyindex"
 else
        # Make sure we are not given --skip, --resolved, nor --abort
        test "$skip$resolved$abort" = "" ||
@@ -287,7 +297,11 @@ fi
 case "$resolved" in
 '')
        files=$(git diff-index --cached --name-only HEAD --) || exit
-       test "$files" && die "Dirty index: cannot apply patches (dirty: $files)"
+       if test "$files"
+       then
+               : >"$dotest/dirtyindex"
+               die "Dirty index: cannot apply patches (dirty: $files)"
+       fi
 esac
 
 if test "$(cat "$dotest/utf8")" = t