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Diffstat (limited to 't/t4069-remerge-diff.sh')
| -rwxr-xr-x | t/t4069-remerge-diff.sh | 291 |
1 files changed, 291 insertions, 0 deletions
diff --git a/t/t4069-remerge-diff.sh b/t/t4069-remerge-diff.sh new file mode 100755 index 0000000..35f9495 --- /dev/null +++ b/t/t4069-remerge-diff.sh @@ -0,0 +1,291 @@ +#!/bin/sh + +test_description='remerge-diff handling' + +. ./test-lib.sh + +# This test is ort-specific +if test "${GIT_TEST_MERGE_ALGORITHM}" != ort +then + skip_all="GIT_TEST_MERGE_ALGORITHM != ort" + test_done +fi + +test_expect_success 'setup basic merges' ' + test_write_lines 1 2 3 4 5 6 7 8 9 >numbers && + git add numbers && + git commit -m base && + + git branch feature_a && + git branch feature_b && + git branch feature_c && + + git branch ab_resolution && + git branch bc_resolution && + + git checkout feature_a && + test_write_lines 1 2 three 4 5 6 7 eight 9 >numbers && + git commit -a -m change_a && + + git checkout feature_b && + test_write_lines 1 2 tres 4 5 6 7 8 9 >numbers && + git commit -a -m change_b && + + git checkout feature_c && + test_write_lines 1 2 3 4 5 6 7 8 9 10 >numbers && + git commit -a -m change_c && + + git checkout bc_resolution && + git merge --ff-only feature_b && + # no conflict + git merge feature_c && + + git checkout ab_resolution && + git merge --ff-only feature_a && + # conflicts! + test_must_fail git merge feature_b && + # Resolve conflict...and make another change elsewhere + test_write_lines 1 2 drei 4 5 6 7 acht 9 >numbers && + git add numbers && + git merge --continue +' + +test_expect_success 'remerge-diff on a clean merge' ' + git log -1 --oneline bc_resolution >expect && + git show --oneline --remerge-diff bc_resolution >actual && + test_cmp expect actual +' + +test_expect_success 'remerge-diff with both a resolved conflict and an unrelated change' ' + git log -1 --oneline ab_resolution >tmp && + cat <<-EOF >>tmp && + diff --git a/numbers b/numbers + remerge CONFLICT (content): Merge conflict in numbers + index a1fb731..6875544 100644 + --- a/numbers + +++ b/numbers + @@ -1,13 +1,9 @@ + 1 + 2 + -<<<<<<< b0ed5cb (change_a) + -three + -======= + -tres + ->>>>>>> 6cd3f82 (change_b) + +drei + 4 + 5 + 6 + 7 + -eight + +acht + 9 + EOF + # Hashes above are sha1; rip them out so test works with sha256 + sed -e "s/[0-9a-f]\{7,\}/HASH/g" tmp >expect && + + git show --oneline --remerge-diff ab_resolution >tmp && + sed -e "s/[0-9a-f]\{7,\}/HASH/g" tmp >actual && + test_cmp expect actual +' + +test_expect_success 'setup non-content conflicts' ' + git switch --orphan base && + + test_write_lines 1 2 3 4 5 6 7 8 9 >numbers && + test_write_lines a b c d e f g h i >letters && + test_write_lines in the way >content && + git add numbers letters content && + git commit -m base && + + git branch side1 && + git branch side2 && + + git checkout side1 && + test_write_lines 1 2 three 4 5 6 7 8 9 >numbers && + git mv letters letters_side1 && + git mv content file_or_directory && + git add numbers && + git commit -m side1 && + + git checkout side2 && + git rm numbers && + git mv letters letters_side2 && + mkdir file_or_directory && + echo hello >file_or_directory/world && + git add file_or_directory/world && + git commit -m side2 && + + git checkout -b resolution side1 && + test_must_fail git merge side2 && + test_write_lines 1 2 three 4 5 6 7 8 9 >numbers && + git add numbers && + git add letters_side1 && + git rm letters && + git rm letters_side2 && + git add file_or_directory~HEAD && + git mv file_or_directory~HEAD wanted_content && + git commit -m resolved +' + +test_expect_success 'remerge-diff with non-content conflicts' ' + git log -1 --oneline resolution >tmp && + cat <<-EOF >>tmp && + diff --git a/file_or_directory~HASH (side1) b/wanted_content + similarity index 100% + rename from file_or_directory~HASH (side1) + rename to wanted_content + remerge CONFLICT (file/directory): directory in the way of file_or_directory from HASH (side1); moving it to file_or_directory~HASH (side1) instead. + diff --git a/letters b/letters + remerge CONFLICT (rename/rename): letters renamed to letters_side1 in HASH (side1) and to letters_side2 in HASH (side2). + diff --git a/letters_side2 b/letters_side2 + deleted file mode 100644 + index b236ae5..0000000 + --- a/letters_side2 + +++ /dev/null + @@ -1,9 +0,0 @@ + -a + -b + -c + -d + -e + -f + -g + -h + -i + diff --git a/numbers b/numbers + remerge CONFLICT (modify/delete): numbers deleted in HASH (side2) and modified in HASH (side1). Version HASH (side1) of numbers left in tree. + EOF + # We still have some sha1 hashes above; rip them out so test works + # with sha256 + sed -e "s/[0-9a-f]\{7,\}/HASH/g" tmp >expect && + + git show --oneline --remerge-diff resolution >tmp && + sed -e "s/[0-9a-f]\{7,\}/HASH/g" tmp >actual && + test_cmp expect actual +' + +test_expect_success 'remerge-diff w/ diff-filter=U: all conflict headers, no diff content' ' + git log -1 --oneline resolution >tmp && + cat <<-EOF >>tmp && + diff --git a/file_or_directory~HASH (side1) b/file_or_directory~HASH (side1) + remerge CONFLICT (file/directory): directory in the way of file_or_directory from HASH (side1); moving it to file_or_directory~HASH (side1) instead. + diff --git a/letters b/letters + remerge CONFLICT (rename/rename): letters renamed to letters_side1 in HASH (side1) and to letters_side2 in HASH (side2). + diff --git a/numbers b/numbers + remerge CONFLICT (modify/delete): numbers deleted in HASH (side2) and modified in HASH (side1). Version HASH (side1) of numbers left in tree. + EOF + # We still have some sha1 hashes above; rip them out so test works + # with sha256 + sed -e "s/[0-9a-f]\{7,\}/HASH/g" tmp >expect && + + git show --oneline --remerge-diff --diff-filter=U resolution >tmp && + sed -e "s/[0-9a-f]\{7,\}/HASH/g" tmp >actual && + test_cmp expect actual +' + +test_expect_success 'remerge-diff w/ diff-filter=R: relevant file + conflict header' ' + git log -1 --oneline resolution >tmp && + cat <<-EOF >>tmp && + diff --git a/file_or_directory~HASH (side1) b/wanted_content + similarity index 100% + rename from file_or_directory~HASH (side1) + rename to wanted_content + remerge CONFLICT (file/directory): directory in the way of file_or_directory from HASH (side1); moving it to file_or_directory~HASH (side1) instead. + EOF + # We still have some sha1 hashes above; rip them out so test works + # with sha256 + sed -e "s/[0-9a-f]\{7,\}/HASH/g" tmp >expect && + + git show --oneline --remerge-diff --diff-filter=R resolution >tmp && + sed -e "s/[0-9a-f]\{7,\}/HASH/g" tmp >actual && + test_cmp expect actual +' + +test_expect_success 'remerge-diff w/ pathspec: limits to relevant file including conflict header' ' + git log -1 --oneline resolution >tmp && + cat <<-EOF >>tmp && + diff --git a/letters b/letters + remerge CONFLICT (rename/rename): letters renamed to letters_side1 in HASH (side1) and to letters_side2 in HASH (side2). + diff --git a/letters_side2 b/letters_side2 + deleted file mode 100644 + index b236ae5..0000000 + --- a/letters_side2 + +++ /dev/null + @@ -1,9 +0,0 @@ + -a + -b + -c + -d + -e + -f + -g + -h + -i + EOF + # We still have some sha1 hashes above; rip them out so test works + # with sha256 + sed -e "s/[0-9a-f]\{7,\}/HASH/g" tmp >expect && + + git show --oneline --remerge-diff resolution -- "letters*" >tmp && + sed -e "s/[0-9a-f]\{7,\}/HASH/g" tmp >actual && + test_cmp expect actual +' + +test_expect_success 'setup non-content conflicts' ' + git switch --orphan newbase && + + test_write_lines 1 2 3 4 5 6 7 8 9 >numbers && + git add numbers && + git commit -m base && + + git branch newside1 && + git branch newside2 && + + git checkout newside1 && + test_write_lines 1 2 three 4 5 6 7 8 9 >numbers && + git add numbers && + git commit -m side1 && + + git checkout newside2 && + test_write_lines 1 2 drei 4 5 6 7 8 9 >numbers && + git add numbers && + git commit -m side2 && + + git checkout -b newresolution newside1 && + test_must_fail git merge newside2 && + git checkout --theirs numbers && + git add -u numbers && + git commit -m resolved +' + +test_expect_success 'remerge-diff turns off history simplification' ' + git log -1 --oneline newresolution >tmp && + cat <<-EOF >>tmp && + diff --git a/numbers b/numbers + remerge CONFLICT (content): Merge conflict in numbers + index 070e9e7..5335e78 100644 + --- a/numbers + +++ b/numbers + @@ -1,10 +1,6 @@ + 1 + 2 + -<<<<<<< 96f1e45 (side1) + -three + -======= + drei + ->>>>>>> 4fd522f (side2) + 4 + 5 + 6 + EOF + # We still have some sha1 hashes above; rip them out so test works + # with sha256 + sed -e "s/[0-9a-f]\{7,\}/HASH/g" tmp >expect && + + git show --oneline --remerge-diff newresolution -- numbers >tmp && + sed -e "s/[0-9a-f]\{7,\}/HASH/g" tmp >actual && + test_cmp expect actual +' + +test_done |