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#!/bin/sh
test_description='recursive merge diff3 style conflict markers'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=master
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
. ./test-lib.sh
# Setup:
# L1
# \
# ?
# /
# R1
#
# Where:
# L1 and R1 both have a file named 'content' but have no common history
#
test_expect_success 'setup no merge base' '
test_create_repo no_merge_base &&
(
cd no_merge_base &&
git checkout -b L &&
test_commit A content A &&
git checkout --orphan R &&
test_commit B content B
)
'
test_expect_success 'check no merge base' '
(
cd no_merge_base &&
git checkout L^0 &&
test_must_fail git -c merge.conflictstyle=diff3 merge --allow-unrelated-histories -s recursive R^0 &&
grep "|||||| empty tree" content
)
'
# Setup:
# L1
# / \
# master ?
# \ /
# R1
#
# Where:
# L1 and R1 have modified the same file ('content') in conflicting ways
#
test_expect_success 'setup unique merge base' '
test_create_repo unique_merge_base &&
(
cd unique_merge_base &&
test_commit base content "1
2
3
4
5
" &&
git branch L &&
git branch R &&
git checkout L &&
test_commit L content "1
2
3
4
5
7" &&
git checkout R &&
git rm content &&
test_commit R renamed "1
2
3
4
5
six"
)
'
test_expect_success 'check unique merge base' '
(
cd unique_merge_base &&
git checkout L^0 &&
MASTER=$(git rev-parse --short master) &&
test_must_fail git -c merge.conflictstyle=diff3 merge -s recursive R^0 &&
grep "|||||| $MASTER:content" renamed
)
'
# Setup:
# L1---L2--L3
# / \ / \
# master X1 ?
# \ / \ /
# R1---R2--R3
#
# Where:
# commits L1 and R1 have modified the same file in non-conflicting ways
# X1 is an auto-generated merge-base used when merging L1 and R1
# commits L2 and R2 are merges of R1 and L1 into L1 and R1, respectively
# commits L3 and R3 both modify 'content' in conflicting ways
#
test_expect_success 'setup multiple merge bases' '
test_create_repo multiple_merge_bases &&
(
cd multiple_merge_bases &&
test_commit initial content "1
2
3
4
5" &&
git branch L &&
git branch R &&
# Create L1
git checkout L &&
test_commit L1 content "0
1
2
3
4
5" &&
# Create R1
git checkout R &&
test_commit R1 content "1
2
3
4
5
6" &&
# Create L2
git checkout L &&
git merge R1 &&
# Create R2
git checkout R &&
git merge L1 &&
# Create L3
git checkout L &&
test_commit L3 content "0
1
2
3
4
5
A" &&
# Create R3
git checkout R &&
git rm content &&
test_commit R3 renamed "0
2
3
4
5
six"
)
'
test_expect_success 'check multiple merge bases' '
(
cd multiple_merge_bases &&
git checkout L^0 &&
test_must_fail git -c merge.conflictstyle=diff3 merge -s recursive R^0 &&
grep "|||||| merged common ancestors:content" renamed
)
'
test_expect_success 'rebase --merge describes parent of commit being picked' '
test_create_repo rebase &&
(
cd rebase &&
test_commit base file &&
test_commit master file &&
git checkout -b side HEAD^ &&
test_commit side file &&
test_must_fail git -c merge.conflictstyle=diff3 rebase --merge master &&
grep "||||||| parent of" file
)
'
test_expect_success 'rebase --apply describes fake ancestor base' '
(
cd rebase &&
git rebase --abort &&
test_must_fail git -c merge.conflictstyle=diff3 rebase --apply master &&
grep "||||||| constructed merge base" file
)
'
test_done
|
