mirror of
https://github.com/git/git.git
synced 2024-11-26 03:14:50 +08:00
5acb623b72
* en/merge-recursive: (41 commits) t6022: Use -eq not = to test output of wc -l merge-recursive:make_room_for_directories - work around dumb compilers merge-recursive: Remove redundant path clearing for D/F conflicts merge-recursive: Make room for directories in D/F conflicts handle_delete_modify(): Check whether D/F conflicts are still present merge_content(): Check whether D/F conflicts are still present conflict_rename_rename_1to2(): Fix checks for presence of D/F conflicts conflict_rename_delete(): Check whether D/F conflicts are still present merge-recursive: Delay modify/delete conflicts if D/F conflict present merge-recursive: Delay content merging for renames merge-recursive: Delay handling of rename/delete conflicts merge-recursive: Move handling of double rename of one file to other file merge-recursive: Move handling of double rename of one file to two merge-recursive: Avoid doubly merging rename/add conflict contents merge-recursive: Update merge_content() call signature merge-recursive: Update conflict_rename_rename_1to2() call signature merge-recursive: Structure process_df_entry() to handle more cases merge-recursive: Have process_entry() skip D/F or rename entries merge-recursive: New function to assist resolving renames in-core only merge-recursive: New data structures for deferring of D/F conflicts ... Conflicts: t/t6020-merge-df.sh t/t6036-recursive-corner-cases.sh
235 lines
5.3 KiB
Bash
Executable File
235 lines
5.3 KiB
Bash
Executable File
#!/bin/sh
|
|
|
|
test_description='recursive merge corner cases'
|
|
|
|
. ./test-lib.sh
|
|
|
|
#
|
|
# L1 L2
|
|
# o---o
|
|
# / \ / \
|
|
# o X ?
|
|
# \ / \ /
|
|
# o---o
|
|
# R1 R2
|
|
#
|
|
|
|
test_expect_success 'setup basic criss-cross + rename with no modifications' '
|
|
ten="0 1 2 3 4 5 6 7 8 9" &&
|
|
for i in $ten
|
|
do
|
|
echo line $i in a sample file
|
|
done >one &&
|
|
for i in $ten
|
|
do
|
|
echo line $i in another sample file
|
|
done >two &&
|
|
git add one two &&
|
|
test_tick && git commit -m initial &&
|
|
|
|
git branch L1 &&
|
|
git checkout -b R1 &&
|
|
git mv one three &&
|
|
test_tick && git commit -m R1 &&
|
|
|
|
git checkout L1 &&
|
|
git mv two three &&
|
|
test_tick && git commit -m L1 &&
|
|
|
|
git checkout L1^0 &&
|
|
test_tick && git merge -s ours R1 &&
|
|
git tag L2 &&
|
|
|
|
git checkout R1^0 &&
|
|
test_tick && git merge -s ours L1 &&
|
|
git tag R2
|
|
'
|
|
|
|
test_expect_success 'merge simple rename+criss-cross with no modifications' '
|
|
git reset --hard &&
|
|
git checkout L2^0 &&
|
|
|
|
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 $(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)
|
|
'
|
|
|
|
#
|
|
# Same as before, but modify L1 slightly:
|
|
#
|
|
# L1m L2
|
|
# o---o
|
|
# / \ / \
|
|
# o X ?
|
|
# \ / \ /
|
|
# o---o
|
|
# R1 R2
|
|
#
|
|
|
|
test_expect_success 'setup criss-cross + rename merges with basic modification' '
|
|
git rm -rf . &&
|
|
git clean -fdqx &&
|
|
rm -rf .git &&
|
|
git init &&
|
|
|
|
ten="0 1 2 3 4 5 6 7 8 9"
|
|
for i in $ten
|
|
do
|
|
echo line $i in a sample file
|
|
done >one &&
|
|
for i in $ten
|
|
do
|
|
echo line $i in another sample file
|
|
done >two &&
|
|
git add one two &&
|
|
test_tick && git commit -m initial &&
|
|
|
|
git branch L1 &&
|
|
git checkout -b R1 &&
|
|
git mv one three &&
|
|
echo more >>two &&
|
|
git add two &&
|
|
test_tick && git commit -m R1 &&
|
|
|
|
git checkout L1 &&
|
|
git mv two three &&
|
|
test_tick && git commit -m L1 &&
|
|
|
|
git checkout L1^0 &&
|
|
test_tick && git merge -s ours R1 &&
|
|
git tag L2 &&
|
|
|
|
git checkout R1^0 &&
|
|
test_tick && git merge -s ours L1 &&
|
|
git tag R2
|
|
'
|
|
|
|
test_expect_success 'merge criss-cross + rename merges with basic modification' '
|
|
git reset --hard &&
|
|
git checkout L2^0 &&
|
|
|
|
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 $(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) = $(git hash-object merged)
|
|
'
|
|
|
|
#
|
|
# For the next test, we start with three commits in two lines of development
|
|
# which setup a rename/add conflict:
|
|
# Commit A: File 'a' exists
|
|
# Commit B: Rename 'a' -> 'new_a'
|
|
# Commit C: Modify 'a', create different 'new_a'
|
|
# Later, two different people merge and resolve differently:
|
|
# Commit D: Merge B & C, ignoring separately created 'new_a'
|
|
# Commit E: Merge B & C making use of some piece of secondary 'new_a'
|
|
# Finally, someone goes to merge D & E. Does git detect the conflict?
|
|
#
|
|
# B D
|
|
# o---o
|
|
# / \ / \
|
|
# A o X ? F
|
|
# \ / \ /
|
|
# o---o
|
|
# C E
|
|
#
|
|
|
|
test_expect_success 'setup differently handled merges of rename/add conflict' '
|
|
git rm -rf . &&
|
|
git clean -fdqx &&
|
|
rm -rf .git &&
|
|
git init &&
|
|
|
|
printf "0\n1\n2\n3\n4\n5\n6\n7\n8\n9\n" >a &&
|
|
git add a &&
|
|
test_tick && git commit -m A &&
|
|
|
|
git branch B &&
|
|
git checkout -b C &&
|
|
echo 10 >>a &&
|
|
echo "other content" >>new_a &&
|
|
git add a new_a &&
|
|
test_tick && git commit -m C &&
|
|
|
|
git checkout B &&
|
|
git mv a new_a &&
|
|
test_tick && git commit -m B &&
|
|
|
|
git checkout B^0 &&
|
|
test_must_fail git merge C &&
|
|
git clean -f &&
|
|
test_tick && git commit -m D &&
|
|
git tag D &&
|
|
|
|
git checkout C^0 &&
|
|
test_must_fail git merge B &&
|
|
rm new_a~HEAD new_a &&
|
|
printf "Incorrectly merged content" >>new_a &&
|
|
git add -u &&
|
|
test_tick && git commit -m E &&
|
|
git tag E
|
|
'
|
|
|
|
test_expect_success 'git detects differently handled merges conflict' '
|
|
git reset --hard &&
|
|
git checkout D^0 &&
|
|
|
|
git merge -s recursive E^0 && {
|
|
echo "BAD: should have conflicted"
|
|
test "Incorrectly merged content" = "$(cat new_a)" &&
|
|
echo "BAD: Silently accepted wrong content"
|
|
return 1
|
|
}
|
|
|
|
test 3 = $(git ls-files -s | wc -l) &&
|
|
test 3 = $(git ls-files -u | wc -l) &&
|
|
test 0 = $(git ls-files -o | wc -l) &&
|
|
|
|
test $(git rev-parse :2:new_a) = $(git rev-parse D:new_a) &&
|
|
test $(git rev-parse :3:new_a) = $(git rev-parse E:new_a) &&
|
|
|
|
git cat-file -p B:new_a >>merged &&
|
|
git cat-file -p C:new_a >>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:new_a) = $(git hash-object merged)
|
|
'
|
|
|
|
test_done
|