Since commit 376ccb8cbb453343998e734d8a1ce79f57a4e092, unchanged
SHA-1s are no longer mapped via $REWRITTEN. But the updating
phase was not prepared for the old head not being rewritten.
Signed-off-by: Johannes Schindelin <johannes.schindelin@xxxxxx>
---
On Mon, 17 Dec 2007, Junio C Hamano wrote:
> Hmph, care to add a test to t3404?
How about this?
git-rebase--interactive.sh | 7 ++++++-
t/t3404-rebase-interactive.sh | 6 ++++++
2 files changed, 12 insertions(+), 1 deletions(-)
diff --git a/git-rebase--interactive.sh b/git-rebase--interactive.sh
index f83e00f..cd7e43f 100755
--- a/git-rebase--interactive.sh
+++ b/git-rebase--interactive.sh
@@ -322,7 +322,12 @@ do_next () {
test -f "$DOTEST"/current-commit &&
current_commit=$(cat "$DOTEST"/current-commit) &&
git rev-parse HEAD > "$REWRITTEN"/$current_commit
- NEWHEAD=$(cat "$REWRITTEN"/$OLDHEAD)
+ if test -f "$REWRITTEN"/$OLDHEAD
+ then
+ NEWHEAD=$(cat "$REWRITTEN"/$OLDHEAD)
+ else
+ NEWHEAD=$OLDHEAD
+ fi
else
NEWHEAD=$(git rev-parse HEAD)
fi &&
diff --git a/t/t3404-rebase-interactive.sh b/t/t3404-rebase-interactive.sh
index 907c7f9..74a7eb3 100755
--- a/t/t3404-rebase-interactive.sh
+++ b/t/t3404-rebase-interactive.sh
@@ -184,6 +184,12 @@ test_expect_success 'retain authorship when squashing' '
git show HEAD | grep "^Author: Twerp Snog"
'
+test_expect_success '-p handles "no changes" gracefully' '
+ HEAD=$(git rev-parse HEAD) &&
+ git rebase -i -p HEAD^ &&
+ test $HEAD = $(git rev-parse HEAD)
+'
+
test_expect_success 'preserve merges with -p' '
git checkout -b to-be-preserved master^ &&
: > unrelated-file &&
--
1.5.4.rc0.59.g1d10d
-
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