# \
# B2 <-- origin/topic
#
-# In both cases, 'topic' is rebased onto 'origin/topic'.
+# Clone 3 (no-ff merge):
+#
+# A1--A2--B3 <-- origin/master
+# \
+# B1------M <-- topic
+# \ /
+# \--A3 <-- topic2
+# \
+# B2 <-- origin/topic
+#
+# Clone 4 (merge using second parent as base):
+#
+# A1--A2--B3 <-- origin/master
+# \
+# B1--A3--M <-- topic
+# \ /
+# \--A4 <-- topic2
+# \
+# B2 <-- origin/topic
test_expect_success 'setup for merge-preserving rebase' \
'echo First > A &&
git add A &&
- git-commit -m "Add A1" &&
+ git commit -m "Add A1" &&
git checkout -b topic &&
echo Second > B &&
git add B &&
- git-commit -m "Add B1" &&
+ git commit -m "Add B1" &&
git checkout -f master &&
echo Third >> A &&
- git-commit -a -m "Modify A2" &&
+ git commit -a -m "Modify A2" &&
git clone ./. clone1 &&
- cd clone1 &&
+ (cd clone1 &&
git checkout -b topic origin/topic &&
- git merge origin/master &&
- cd .. &&
+ git merge origin/master
+ ) &&
+
+ git clone ./. clone4 &&
+ (
+ cd clone4 &&
+ git checkout -b topic origin/topic &&
+ git merge origin/master
+ ) &&
echo Fifth > B &&
git add B &&
git commit -m "Add different B" &&
git clone ./. clone2 &&
- cd clone2 &&
- git checkout -b topic origin/topic &&
- test_must_fail git merge origin/master &&
- echo Resolved > B &&
- git add B &&
- git commit -m "Merge origin/master into topic" &&
- cd .. &&
+ (
+ cd clone2 &&
+ git checkout -b topic origin/topic &&
+ test_must_fail git merge origin/master &&
+ echo Resolved >B &&
+ git add B &&
+ git commit -m "Merge origin/master into topic"
+ ) &&
+
+ git clone ./. clone3 &&
+ (
+ cd clone3 &&
+ git checkout -b topic2 origin/topic &&
+ echo Sixth > A &&
+ git commit -a -m "Modify A3" &&
+ git checkout -b topic origin/topic &&
+ git merge --no-ff topic2
+ ) &&
git checkout topic &&
echo Fourth >> B &&
git fetch &&
git rebase -p origin/topic &&
test 1 = $(git rev-list --all --pretty=oneline | grep "Modify A" | wc -l) &&
- test 1 = $(git rev-list --all --pretty=oneline | grep "Merge commit" | wc -l)
+ test 1 = $(git rev-list --all --pretty=oneline | grep "Merge remote-tracking branch " | wc -l)
)
'
)
'
+test_expect_success 'rebase -p preserves no-ff merges' '
+ (
+ cd clone3 &&
+ git fetch &&
+ git rebase -p origin/topic &&
+ test 3 = $(git rev-list --all --pretty=oneline | grep "Modify A" | wc -l) &&
+ test 1 = $(git rev-list --all --pretty=oneline | grep "Merge branch" | wc -l)
+ )
+'
+
+test_expect_success 'rebase -p works when base inside second parent' '
+ (
+ cd clone4 &&
+ git fetch &&
+ git rebase -p HEAD^2 &&
+ test 1 = $(git rev-list --all --pretty=oneline | grep "Modify A" | wc -l) &&
+ test 1 = $(git rev-list --all --pretty=oneline | grep "Modify B" | wc -l) &&
+ test 1 = $(git rev-list --all --pretty=oneline | grep "Merge remote-tracking branch " | wc -l)
+ )
+'
+
test_done