# History setup
#
-# b
-# / \
-# a d
-# \ /
-# c
+# b
+# / \
+# init -- a d
+# \ \ /
+# g c
#
# a in the main repository records to sub-a in the submodule and
# analogous b and c. d should be automatically found by merging c into
# b in the main repository.
test_expect_success 'setup for merge search' '
mkdir merge-search &&
- cd merge-search &&
+ (cd merge-search &&
git init &&
mkdir sub &&
(cd sub &&
git add file-a &&
git commit -m "sub-a" &&
git branch sub-a) &&
+ git commit --allow-empty -m init &&
+ git branch init &&
git add sub &&
git commit -m "a" &&
git branch a &&
git merge sub-c) &&
git commit -a -m "d" &&
git branch test b &&
- cd ..
+
+ git checkout -b g init &&
+ (cd sub &&
+ git checkout -b sub-g sub-c) &&
+ git add sub &&
+ git commit -a -m "g")
'
test_expect_success 'merge with one side as a fast-forward of the other' '
'
test_expect_success 'merging should fail for ambiguous common parent' '
- cd merge-search &&
+ (cd merge-search &&
git checkout -b test-ambiguous b &&
(cd sub &&
git checkout -b ambiguous sub-b &&
test_must_fail git merge c 2> actual &&
grep $(cat expect1) actual > /dev/null &&
grep $(cat expect2) actual > /dev/null &&
- git reset --hard &&
- cd ..
+ git reset --hard)
'
# in a situation like this
# commits (sub-a) does not descend from the submodule merge-base (sub-b).
#
test_expect_success 'merging should fail for changes that are backwards' '
- cd merge-search &&
+ (cd merge-search &&
git checkout -b bb a &&
(cd sub &&
git checkout sub-b) &&
git commit -a -m "f" &&
git checkout -b test-backward e &&
- test_must_fail git merge f &&
- cd ..
+ test_must_fail git merge f)
'
-test_expect_success 'merging with a modify/modify conflict between merge bases' '
+# Check that the conflicting submodule is detected when it is
+# in the common ancestor. status should be 'U00...00"
+test_expect_success 'git submodule status should display the merge conflict properly with merge base' '
+ (cd merge-search &&
+ cat >.gitmodules <<EOF &&
+[submodule "sub"]
+ path = sub
+ url = $TRASH_DIRECTORY/sub
+EOF
+ cat >expect <<EOF &&
+U0000000000000000000000000000000000000000 sub
+EOF
+ git submodule status > actual &&
+ test_cmp expect actual &&
+ git reset --hard)
+'
+
+# Check that the conflicting submodule is detected when it is
+# not in the common ancestor. status should be 'U00...00"
+test_expect_success 'git submodule status should display the merge conflict properly without merge-base' '
+ (cd merge-search &&
+ git checkout -b test-no-merge-base g &&
+ test_must_fail git merge b &&
+ cat >.gitmodules <<EOF &&
+[submodule "sub"]
+ path = sub
+ url = $TRASH_DIRECTORY/sub
+EOF
+ cat >expect <<EOF &&
+U0000000000000000000000000000000000000000 sub
+EOF
+ git submodule status > actual &&
+ test_cmp expect actual &&
+ git reset --hard)
+'
+
+
+test_expect_success 'merging with a modify/modify conflict between merge bases' '
git reset --hard HEAD &&
git checkout -b test2 c &&
git merge d
-
'
test_done