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-rwxr-xr-xgit-rebase--interactive.sh29
1 files changed, 18 insertions, 11 deletions
diff --git a/git-rebase--interactive.sh b/git-rebase--interactive.sh
index 1172e47571..1ceb57ae83 100755
--- a/git-rebase--interactive.sh
+++ b/git-rebase--interactive.sh
@@ -115,9 +115,18 @@ mark_action_done () {
}
make_patch () {
- parent_sha1=$(git rev-parse --verify "$1"^) ||
- die "Cannot get patch for $1^"
- git diff-tree -p "$parent_sha1".."$1" > "$DOTEST"/patch
+ sha1_and_parents="$(git rev-list --parents -1 "$1")"
+ case "$sha1_and_parents" in
+ ?*' '?*' '?*)
+ git diff --cc $sha1_and_parents
+ ;;
+ ?*' '?*)
+ git diff-tree -p "$1^!"
+ ;;
+ *)
+ echo "Root commit"
+ ;;
+ esac > "$DOTEST"/patch
test -f "$DOTEST"/message ||
git cat-file commit "$1" | sed "1,/^$/d" > "$DOTEST"/message
test -f "$DOTEST"/author-script ||
@@ -256,9 +265,8 @@ pick_one_preserving_merges () {
output git merge $STRATEGY -m "$msg" \
$new_parents
then
- git rerere
printf "%s\n" "$msg" > "$GIT_DIR"/MERGE_MSG
- die Error redoing merge $sha1
+ die_with_patch $sha1 "Error redoing merge $sha1"
fi
;;
*)
@@ -341,7 +349,7 @@ do_next () {
squash|s)
comment_for_reflog squash
- has_action "$DONE" ||
+ test -f "$DONE" && has_action "$DONE" ||
die "Cannot 'squash' without a previous commit"
mark_action_done
@@ -352,17 +360,15 @@ do_next () {
pick_one -n $sha1 || failed=t
case "$(peek_next_command)" in
squash|s)
- EDIT_COMMIT=
USE_OUTPUT=output
MSG_OPT=-F
- MSG_FILE="$MSG"
+ EDIT_OR_FILE="$MSG"
cp "$MSG" "$SQUASH_MSG"
;;
*)
- EDIT_COMMIT=-e
USE_OUTPUT=
MSG_OPT=
- MSG_FILE=
+ EDIT_OR_FILE=-e
rm -f "$SQUASH_MSG" || exit
cp "$MSG" "$GIT_DIR"/SQUASH_MSG
rm -f "$GIT_DIR"/MERGE_MSG || exit
@@ -376,7 +382,8 @@ do_next () {
GIT_AUTHOR_NAME="$GIT_AUTHOR_NAME" \
GIT_AUTHOR_EMAIL="$GIT_AUTHOR_EMAIL" \
GIT_AUTHOR_DATE="$GIT_AUTHOR_DATE" \
- $USE_OUTPUT git commit --no-verify $MSG_OPT "$MSG_FILE" $EDIT_COMMIT || failed=t
+ $USE_OUTPUT git commit --no-verify \
+ $MSG_OPT "$EDIT_OR_FILE" || failed=t
fi
if test $failed = t
then