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Diffstat (limited to 'third_party/git/t/t6047-diff3-conflict-markers.sh')
| -rwxr-xr-x | third_party/git/t/t6047-diff3-conflict-markers.sh | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/third_party/git/t/t6047-diff3-conflict-markers.sh b/third_party/git/t/t6047-diff3-conflict-markers.sh new file mode 100755 index 0000000000..f4655bb358 --- /dev/null +++ b/third_party/git/t/t6047-diff3-conflict-markers.sh @@ -0,0 +1,211 @@ +#!/bin/sh + +test_description='recursive merge diff3 style conflict markers' + +. ./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 |