Allow whole-tree operations to be started from a subdirectory

diff --git a/git-revert.sh b/git-revert.sh
index 4fd81b6ed60e5877df85c1052057b0ad5410f4fe..224e6540ca073da804332799660a8cdeacdfdaf7 100755 (executable)
--- a/git-revert.sh
+++ b/git-revert.sh
@@ -16,9 +16,14 @@ case "$0" in
        me=cherry-pick
        USAGE='[--edit] [-n] [-r] [-x] <commit-ish>'  ;;
 * )
-       die "What are you talking about?" ;;
+       echo >&2 "What are you talking about?"
+       exit 1 ;;
 esac
+
+SUBDIRECTORY_OK=Yes ;# we will cd up
 . git-sh-setup
+require_work_tree
+cd_to_toplevel
 
 no_commit=
 while case "$#" in 0) break ;; esac
@@ -145,9 +150,18 @@ git-read-tree -m -u --aggressive $base $head $next &&
 result=$(git-write-tree 2>/dev/null) || {
     echo >&2 "Simple $me fails; trying Automatic $me."
     git-merge-index -o git-merge-one-file -a || {
+           mv -f .msg "$GIT_DIR/MERGE_MSG"
+           {
+               echo '
+Conflicts:
+'
+               git ls-files --unmerged |
+               sed -e 's/^[^   ]*      /       /' |
+               uniq
+           } >>"$GIT_DIR/MERGE_MSG"
            echo >&2 "Automatic $me failed.  After resolving the conflicts,"
-           echo >&2 "mark the corrected paths with 'git-update-index <paths>'"
-           echo >&2 "and commit with 'git commit -F .msg'"
+           echo >&2 "mark the corrected paths with 'git-add <paths>'"
+           echo >&2 "and commit the result."
            case "$me" in
            cherry-pick)
                echo >&2 "You may choose to use the following when making"