'git rebase -i -p' forgot to update the index and working directory
during fast forwards. Fix this. Makes 'GIT_EDITOR=true rebase -i -p
<ancestor>' a no-op again.
Also, it attempted to do a fast forward even if it was instructed not
to commit (via -n). Fall back to the cherry-pick code path and let
that handle the issue for us.
Signed-off-by: Thomas Rast <trast@xxxxxxxxxxxxxxx>
---
Stephan Beyer <s-beyer@xxxxxxx> wrote:
>
> The intention of setting fast_forward=f is clear, but it is overwritten
> later on line 169 that is not shown in this patch:
[...]
> Clearly, this is due to your patch split, because after the second
> patch, this is fixed.
Indeed, thanks for catching this.
git-rebase--interactive.sh | 14 ++++++++++++--
t/t3404-rebase-interactive.sh | 6 ++++++
2 files changed, 18 insertions(+), 2 deletions(-)
diff --git a/git-rebase--interactive.sh b/git-rebase--interactive.sh
index 4e334ba..58126bd 100755
--- a/git-rebase--interactive.sh
+++ b/git-rebase--interactive.sh
@@ -145,7 +145,16 @@ pick_one () {
}
pick_one_preserving_merges () {
- case "$1" in -n) sha1=$2 ;; *) sha1=$1 ;; esac
+ fast_forward=t
+ case "$1" in
+ -n)
+ fast_forward=f
+ sha1=$2
+ ;;
+ *)
+ sha1=$1
+ ;;
+ esac
sha1=$(git rev-parse $sha1)
if test -f "$DOTEST"/current-commit
@@ -157,7 +166,6 @@ pick_one_preserving_merges () {
fi
# rewrite parents; if none were rewritten, we can fast-forward.
- fast_forward=t
preserve=t
new_parents=
for p in $(git rev-list --parents -1 $sha1 | cut -d' ' -f2-)
@@ -182,6 +190,8 @@ pick_one_preserving_merges () {
t)
output warn "Fast forward to $sha1"
test $preserve = f || echo $sha1 > "$REWRITTEN"/$sha1
+ output git reset --hard $sha1 ||
+ die "Cannot fast forward to $sha1"
;;
f)
test "a$1" = a-n && die "Refusing to squash a merge: $sha1"
diff --git a/t/t3404-rebase-interactive.sh b/t/t3404-rebase-interactive.sh
index ffe3dd9..4d62b9a 100755
--- a/t/t3404-rebase-interactive.sh
+++ b/t/t3404-rebase-interactive.sh
@@ -202,6 +202,9 @@ test_expect_success 'retain authorship when squashing' '
test_expect_success '-p handles "no changes" gracefully' '
HEAD=$(git rev-parse HEAD) &&
git rebase -i -p HEAD^ &&
+ git update-index --refresh &&
+ git diff-files --quiet &&
+ git diff-index --quiet --cached HEAD -- &&
test $HEAD = $(git rev-parse HEAD)
'
@@ -235,6 +238,9 @@ test_expect_success 'preserve merges with -p' '
git checkout -b to-be-rebased &&
test_tick &&
git rebase -i -p --onto branch1 master &&
+ git update-index --refresh &&
+ git diff-files --quiet &&
+ git diff-index --quiet --cached HEAD -- &&
test $(git rev-parse HEAD~6) = $(git rev-parse branch1) &&
test $(git rev-parse HEAD~4^2) = $(git rev-parse to-be-preserved) &&
test $(git rev-parse HEAD^^2^) = $(git rev-parse HEAD^^^) &&
--
1.6.0.rc2.69.g29dd9
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