xutils: Fix hashing an incomplete line with whitespaces at the end

diff --git a/git-rebase--interactive.sh b/git-rebase--interactive.sh
index c8b0861c085035c85002f6e2fe969369ea32016f..1ceb57ae8302dc3f0673779cf60f70df5c26a64d 100755 (executable)
--- a/git-rebase--interactive.sh
+++ b/git-rebase--interactive.sh
@@ -349,7 +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
@@ -360,17 +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
@@ -384,7 +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