rebase -i: several cleanups

Support "--verbose" in addition to "-v", show short names in the list
comment, clean up if there is nothing to do, and add several "test_ticks"
in the test script.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/git-rebase--interactive.sh b/git-rebase--interactive.sh
index ab36572..a81432c 100755 (executable)
--- a/git-rebase--interactive.sh
+++ b/git-rebase--interactive.sh
@@ -60,6 +60,11 @@ die_with_patch () {
        die "$2"
 }
 
+die_abort () {
+       rm -rf "$DOTEST"
+       die "$1"
+}
+
 pick_one () {
        case "$1" in -n) sha1=$2 ;; *) sha1=$1 ;; esac
        git rev-parse --verify $sha1 || die "Invalid commit name: $sha1"
@@ -212,7 +217,7 @@ do
        -C*)
                die "Interactive rebase uses merge, so $1 does not make sense"
                ;;
-       -v)
+       -v|--verbose)
                VERBOSE=t
                ;;
        -i|--interactive)
@@ -264,8 +269,11 @@ do
                echo $ONTO > "$DOTEST"/onto
                test t = "$VERBOSE" && : > "$DOTEST"/verbose
 
+               SHORTUPSTREAM=$(git rev-parse --short $UPSTREAM)
+               SHORTHEAD=$(git rev-parse --short $HEAD)
+               SHORTONTO=$(git rev-parse --short $ONTO)
                cat > "$TODO" << EOF
-# Rebasing $UPSTREAM..$HEAD onto $ONTO
+# Rebasing $SHORTUPSTREAM..$SHORTHEAD onto $SHORTONTO
 #
 # Commands:
 #  pick = use commit
@@ -277,13 +285,16 @@ EOF
                        sed "s/^/pick /" >> "$TODO"
 
                test -z "$(grep -ve '^$' -e '^#' < $TODO)" &&
-                       die "Nothing to do"
+                       die_abort "Nothing to do"
 
                cp "$TODO" "$TODO".backup
                ${VISUAL:-${EDITOR:-vi}} "$TODO" ||
                        die "Could not execute editor"
 
-               git reset --hard $ONTO && do_rest
+               test -z "$(grep -ve '^$' -e '^#' < $TODO)" &&
+                       die_abort "Nothing to do"
+
+               git checkout $ONTO && do_rest
        esac
        shift
 done

diff --git a/t/t3404-rebase-interactive.sh b/t/t3404-rebase-interactive.sh
index 48aa8ea..19a3a8e 100755 (executable)
--- a/t/t3404-rebase-interactive.sh
+++ b/t/t3404-rebase-interactive.sh
@@ -140,6 +140,7 @@ test_expect_success 'abort' '
 test_expect_success 'retain authorship' '
        echo A > file7 &&
        git add file7 &&
+       test_tick &&
        GIT_AUTHOR_NAME="Twerp Snog" git commit -m "different author" &&
        git tag twerp &&
        git rebase -i --onto master HEAD^ &&
@@ -149,6 +150,7 @@ test_expect_success 'retain authorship' '
 test_expect_success 'squash' '
        git reset --hard twerp &&
        echo B > file7 &&
+       test_tick &&
        GIT_AUTHOR_NAME="Nitfol" git commit -m "nitfol" file7 &&
        echo "******************************" &&
        FAKE_LINES="1 squash 2" git rebase -i --onto master HEAD~2 &&