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index 38cace6a9606584fa79de423dc12641968c87ab8..dfee7d159b3b5198b4773f2d3869e809095b11f7 100755 (executable)
test_must_fail git merge -s recursive R2^0 &&
- test 5 = $(git ls-files -s | wc -l) &&
- test 3 = $(git ls-files -u | wc -l) &&
- test 0 = $(git ls-files -o | wc -l) &&
+ test 2 = $(git ls-files -s | wc -l) &&
+ test 2 = $(git ls-files -u | wc -l) &&
+ test 2 = $(git ls-files -o | wc -l) &&
- test $(git rev-parse :0:one) = $(git rev-parse L2:one) &&
- test $(git rev-parse :0:two) = $(git rev-parse R2:two) &&
test $(git rev-parse :2:three) = $(git rev-parse L2:three) &&
test $(git rev-parse :3:three) = $(git rev-parse R2:three) &&
- cp two merged &&
- >empty &&
- test_must_fail git merge-file \
- -L "Temporary merge branch 2" \
- -L "" \
- -L "Temporary merge branch 1" \
- merged empty one &&
- test $(git rev-parse :1:three) = $(git hash-object merged)
+ test $(git rev-parse L2:three) = $(git hash-object three~HEAD) &&
+ test $(git rev-parse R2:three) = $(git hash-object three~R2^0)
'
#
@@ -132,24 +124,15 @@ test_expect_success 'merge criss-cross + rename merges with basic modification'
test_must_fail git merge -s recursive R2^0 &&
- test 5 = $(git ls-files -s | wc -l) &&
- test 3 = $(git ls-files -u | wc -l) &&
- test 0 = $(git ls-files -o | wc -l) &&
+ test 2 = $(git ls-files -s | wc -l) &&
+ test 2 = $(git ls-files -u | wc -l) &&
+ test 2 = $(git ls-files -o | wc -l) &&
- test $(git rev-parse :0:one) = $(git rev-parse L2:one) &&
- test $(git rev-parse :0:two) = $(git rev-parse R2:two) &&
test $(git rev-parse :2:three) = $(git rev-parse L2:three) &&
test $(git rev-parse :3:three) = $(git rev-parse R2:three) &&
- head -n 10 two >merged &&
- cp one merge-me &&
- >empty &&
- test_must_fail git merge-file \
- -L "Temporary merge branch 2" \
- -L "" \
- -L "Temporary merge branch 1" \
- merged empty merge-me &&
- test $(git rev-parse :1:three) = $(git hash-object merged)
+ test $(git rev-parse L2:three) = $(git hash-object three~HEAD) &&
+ test $(git rev-parse R2:three) = $(git hash-object three~R2^0)
'
#
git tag E
'
-test_expect_failure 'git detects conflict merging criss-cross+modify/delete' '
+test_expect_success 'git detects conflict merging criss-cross+modify/delete' '
git checkout D^0 &&
test_must_fail git merge -s recursive E^0 &&
test $(git rev-parse :2:file) = $(git rev-parse B:file)
'
-test_expect_failure 'git detects conflict merging criss-cross+modify/delete, reverse direction' '
+test_expect_success 'git detects conflict merging criss-cross+modify/delete, reverse direction' '
git reset --hard &&
git checkout E^0 &&
@@ -496,7 +479,7 @@ test_expect_success 'setup differently handled merges of directory/file conflict
git tag E2
'
-test_expect_failure 'merge of D & E1 fails but has appropriate contents' '
+test_expect_success 'merge of D & E1 fails but has appropriate contents' '
get_clean_checkout D^0 &&
test_must_fail git merge -s recursive E1^0 &&
test $(git rev-parse :2:a) = $(git rev-parse B:a)
'
-test_expect_failure 'merge of E1 & D fails but has appropriate contents' '
+test_expect_success 'merge of E1 & D fails but has appropriate contents' '
get_clean_checkout E1^0 &&
test_must_fail git merge -s recursive D^0 &&
test -f a~HEAD
'
-test_expect_failure 'merge of E2 & D fails but has appropriate contents' '
+test_expect_success 'merge of E2 & D fails but has appropriate contents' '
get_clean_checkout E2^0 &&
test_must_fail git merge -s recursive D^0 &&
@@ -632,7 +615,7 @@ test_expect_success 'setup rename/rename(1to2)/modify followed by what looks lik
git tag E
'
-test_expect_failure 'handle rename/rename(1to2)/modify followed by what looks like rename/rename(2to1)/modify' '
+test_expect_success 'handle rename/rename(1to2)/modify followed by what looks like rename/rename(2to1)/modify' '
git checkout D^0 &&
git merge -s recursive E^0 &&
@@ -644,4 +627,150 @@ test_expect_failure 'handle rename/rename(1to2)/modify followed by what looks li
test $(git rev-parse HEAD:newname) = $(git rev-parse E:newname)
'
+#
+# criss-cross with rename/rename(1to2)/add-source + resolvable modify/modify:
+#
+# B D
+# o---o
+# / \ / \
+# A o X ? F
+# \ / \ /
+# o---o
+# C E
+#
+# Commit A: new file: a
+# Commit B: rename a->b
+# Commit C: rename a->c, add different a
+# Commit D: merge B&C, keeping b&c and (new) a modified at beginning
+# Commit E: merge B&C, keeping b&c and (new) a modified at end
+#
+# Merging commits D & E should result in no conflict; doing so correctly
+# requires getting the virtual merge base (from merging B&C) right, handling
+# renaming carefully (both in the virtual merge base and later), and getting
+# content merge handled.
+
+test_expect_success 'setup criss-cross + rename/rename/add + modify/modify' '
+ git rm -rf . &&
+ git clean -fdqx &&
+ rm -rf .git &&
+ git init &&
+
+ printf "lots\nof\nwords\nand\ncontent\n" >a &&
+ git add a &&
+ git commit -m A &&
+ git tag A &&
+
+ git checkout -b B A &&
+ git mv a b &&
+ git commit -m B &&
+
+ git checkout -b C A &&
+ git mv a c &&
+ printf "2\n3\n4\n5\n6\n7\n" >a &&
+ git add a &&
+ git commit -m C &&
+
+ git checkout B^0 &&
+ git merge --no-commit -s ours C^0 &&
+ git checkout C -- a c &&
+ mv a old_a &&
+ echo 1 >a &&
+ cat old_a >>a &&
+ rm old_a &&
+ git add -u &&
+ git commit -m "Merge commit C^0 into HEAD" &&
+ git tag D &&
+
+ git checkout C^0 &&
+ git merge --no-commit -s ours B^0 &&
+ git checkout B -- b &&
+ echo 8 >>a &&
+ git add -u &&
+ git commit -m "Merge commit B^0 into HEAD" &&
+ git tag E
+'
+
+test_expect_failure 'detect rename/rename/add-source for virtual merge-base' '
+ git checkout D^0 &&
+
+ git merge -s recursive E^0 &&
+
+ test 3 -eq $(git ls-files -s | wc -l) &&
+ test 0 -eq $(git ls-files -u | wc -l) &&
+ test 0 -eq $(git ls-files -o | wc -l) &&
+
+ test $(git rev-parse HEAD:b) = $(git rev-parse A:a) &&
+ test $(git rev-parse HEAD:c) = $(git rev-parse A:a) &&
+ test "$(cat a)" = "$(printf "1\n2\n3\n4\n5\n6\n7\n8\n")"
+'
+
+#
+# criss-cross with rename/rename(1to2)/add-dest + simple modify:
+#
+# B D
+# o---o
+# / \ / \
+# A o X ? F
+# \ / \ /
+# o---o
+# C E
+#
+# Commit A: new file: a
+# Commit B: rename a->b, add c
+# Commit C: rename a->c
+# Commit D: merge B&C, keeping A:a and B:c
+# Commit E: merge B&C, keeping A:a and slightly modified c from B
+#
+# Merging commits D & E should result in no conflict. The virtual merge
+# base of B & C needs to not delete B:c for that to work, though...
+
+test_expect_success 'setup criss-cross+rename/rename/add-dest + simple modify' '
+ git rm -rf . &&
+ git clean -fdqx &&
+ rm -rf .git &&
+ git init &&
+
+ >a &&
+ git add a &&
+ git commit -m A &&
+ git tag A &&
+
+ git checkout -b B A &&
+ git mv a b &&
+ printf "1\n2\n3\n4\n5\n6\n7\n" >c &&
+ git add c &&
+ git commit -m B &&
+
+ git checkout -b C A &&
+ git mv a c &&
+ git commit -m C &&
+
+ git checkout B^0 &&
+ git merge --no-commit -s ours C^0 &&
+ git mv b a &&
+ git commit -m "D is like B but renames b back to a" &&
+ git tag D &&
+
+ git checkout B^0 &&
+ git merge --no-commit -s ours C^0 &&
+ git mv b a &&
+ echo 8 >>c &&
+ git add c &&
+ git commit -m "E like D but has mod in c" &&
+ git tag E
+'
+
+test_expect_success 'virtual merge base handles rename/rename(1to2)/add-dest' '
+ git checkout D^0 &&
+
+ git merge -s recursive E^0 &&
+
+ test 2 -eq $(git ls-files -s | wc -l) &&
+ test 0 -eq $(git ls-files -u | wc -l) &&
+ test 0 -eq $(git ls-files -o | wc -l) &&
+
+ test $(git rev-parse HEAD:a) = $(git rev-parse A:a) &&
+ test $(git rev-parse HEAD:c) = $(git rev-parse E:c)
+'
+
test_done