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| -rwxr-xr-x | t/t3310-notes-merge-manual-resolve.sh | 617 |
1 files changed, 617 insertions, 0 deletions
diff --git a/t/t3310-notes-merge-manual-resolve.sh b/t/t3310-notes-merge-manual-resolve.sh new file mode 100755 index 0000000..d3d72e2 --- /dev/null +++ b/t/t3310-notes-merge-manual-resolve.sh @@ -0,0 +1,617 @@ +#!/bin/sh +# +# Copyright (c) 2010 Johan Herland +# + +test_description='Test notes merging with manual conflict resolution' + +. ./test-lib.sh + +# Set up a notes merge scenario with different kinds of conflicts +test_expect_success 'setup commits' ' + test_commit 1st && + test_commit 2nd && + test_commit 3rd && + test_commit 4th && + test_commit 5th && + + test_oid_cache <<-EOF + hash04a sha1:6e8e3febca3c2bb896704335cc4d0c34cb2f8715 + hash03a sha1:e5388c10860456ee60673025345fe2e153eb8cf8 + hash02a sha1:ceefa674873670e7ecd131814d909723cce2b669 + hash04b sha1:e2bfd06a37dd2031684a59a6e2b033e212239c78 + hash03b sha1:5772f42408c0dd6f097a7ca2d24de0e78d1c46b1 + hash01b sha1:b0a6021ec006d07e80e9b20ec9b444cbd9d560d3 + hash04c sha1:cff59c793c20bb49a4e01bc06fb06bad642e0d54 + hash02c sha1:283b48219aee9a4105f6cab337e789065c82c2b9 + hash01c sha1:0a81da8956346e19bcb27a906f04af327e03e31b + hash04d sha1:00494adecf2d9635a02fa431308d67993f853968 + hash01e sha1:f75d1df88cbfe4258d49852f26cfc83f2ad4494b + hash04f sha1:021faa20e931fb48986ffc6282b4bb05553ac946 + hash01f sha1:0a59e787e6d688aa6309e56e8c1b89431a0fc1c1 + hash05g sha1:304dfb4325cf243025b9957486eb605a9b51c199 + + hash04a sha256:f18a935e65866345098b3b754071dbf9f3aa3520eb27a7b036b278c5e2f1ed7e + hash03a sha256:713035dc94067a64e5fa6e4e1821b7c3bde49a77c7cb3f80eaadefa1ca41b3d2 + hash02a sha256:f160a67e048b6fa75bec3952184154045076692cf5dccd3da21e3fd34b7a3f0f + hash04b sha256:c7fba0d6104917fbf35258f40b9fa4fc697cfa992deecd1570a3b08d0a5587a9 + hash03b sha256:7287a2d78a3766c181b08df38951d784b08b72a44f571ed6d855bd0be22c70f6 + hash01b sha256:da96cf778c15d0a2bb76f98b2a62f6c9c01730fa7030e8f08ef0191048e7d620 + hash04c sha256:cb615d2def4b834d5f55b2351df97dc92bee4f5009d285201427f349081c8aca + hash02c sha256:63bb527e0b4e1c8e1dd0d54dd778ca7c3718689fd6e37c473044cfbcf1cacfdb + hash01c sha256:5b87237ac1fbae0246256fed9f9a1f077c4140fb7e6444925f8dbfa5ae406cd8 + hash04d sha256:eeddc9f9f6cb3d6b39b861659853f10891dc373e0b6eecb09e03e39b6ce64714 + hash01e sha256:108f521b1a74c2e6d0b52a4eda87e09162bf847f7d190cfce496ee1af0b29a5a + hash04f sha256:901acda0454502b3bbd281f130c419e6c8de78afcf72a8def8d45ad31462bce4 + hash01f sha256:a2d99d1b8bf23c8af7d9d91368454adc110dfd5cc068a4cebb486ee8f5a1e16c + hash05g sha256:4fef015b01da8efe929a68e3bb9b8fbad81f53995f097befe8ebc93f12ab98ec + EOF +' + +commit_sha1=$(git rev-parse 1st^{commit}) +commit_sha2=$(git rev-parse 2nd^{commit}) +commit_sha3=$(git rev-parse 3rd^{commit}) +commit_sha4=$(git rev-parse 4th^{commit}) +commit_sha5=$(git rev-parse 5th^{commit}) + +verify_notes () { + notes_ref="$1" + git -c core.notesRef="refs/notes/$notes_ref" notes | + sort >"output_notes_$notes_ref" && + test_cmp "expect_notes_$notes_ref" "output_notes_$notes_ref" && + git -c core.notesRef="refs/notes/$notes_ref" log --format="%H %s%n%N" \ + >"output_log_$notes_ref" && + test_cmp "expect_log_$notes_ref" "output_log_$notes_ref" +} + +notes_merge_files_gone () { + # No .git/NOTES_MERGE_* files left + { ls .git/NOTES_MERGE_* >output || :; } && + test_must_be_empty output +} + +cat <<EOF | sort >expect_notes_x +$(test_oid hash04a) $commit_sha4 +$(test_oid hash03a) $commit_sha3 +$(test_oid hash02a) $commit_sha2 +EOF + +cat >expect_log_x <<EOF +$commit_sha5 5th + +$commit_sha4 4th +x notes on 4th commit + +$commit_sha3 3rd +x notes on 3rd commit + +$commit_sha2 2nd +x notes on 2nd commit + +$commit_sha1 1st + +EOF + +test_expect_success 'setup merge base (x)' ' + git config core.notesRef refs/notes/x && + git notes add -m "x notes on 2nd commit" 2nd && + git notes add -m "x notes on 3rd commit" 3rd && + git notes add -m "x notes on 4th commit" 4th && + verify_notes x +' + +cat <<EOF | sort >expect_notes_y +$(test_oid hash04b) $commit_sha4 +$(test_oid hash03b) $commit_sha3 +$(test_oid hash01b) $commit_sha1 +EOF + +cat >expect_log_y <<EOF +$commit_sha5 5th + +$commit_sha4 4th +y notes on 4th commit + +$commit_sha3 3rd +y notes on 3rd commit + +$commit_sha2 2nd + +$commit_sha1 1st +y notes on 1st commit + +EOF + +test_expect_success 'setup local branch (y)' ' + git update-ref refs/notes/y refs/notes/x && + git config core.notesRef refs/notes/y && + git notes add -f -m "y notes on 1st commit" 1st && + git notes remove 2nd && + git notes add -f -m "y notes on 3rd commit" 3rd && + git notes add -f -m "y notes on 4th commit" 4th && + verify_notes y +' + +cat <<EOF | sort >expect_notes_z +$(test_oid hash04c) $commit_sha4 +$(test_oid hash02c) $commit_sha2 +$(test_oid hash01c) $commit_sha1 +EOF + +cat >expect_log_z <<EOF +$commit_sha5 5th + +$commit_sha4 4th +z notes on 4th commit + +$commit_sha3 3rd + +$commit_sha2 2nd +z notes on 2nd commit + +$commit_sha1 1st +z notes on 1st commit + +EOF + +test_expect_success 'setup remote branch (z)' ' + git update-ref refs/notes/z refs/notes/x && + git config core.notesRef refs/notes/z && + git notes add -f -m "z notes on 1st commit" 1st && + git notes add -f -m "z notes on 2nd commit" 2nd && + git notes remove 3rd && + git notes add -f -m "z notes on 4th commit" 4th && + verify_notes z +' + +# At this point, before merging z into y, we have the following status: +# +# commit | base/x | local/y | remote/z | diff from x to y/z +# -------|---------|---------|----------|--------------------------- +# 1st | [none] | b0a6021 | 0a81da8 | added / added (diff) +# 2nd | ceefa67 | [none] | 283b482 | removed / changed +# 3rd | e5388c1 | 5772f42 | [none] | changed / removed +# 4th | 6e8e3fe | e2bfd06 | cff59c7 | changed / changed (diff) +# 5th | [none] | [none] | [none] | [none] + +cat <<EOF | sort >expect_conflicts +$commit_sha1 +$commit_sha2 +$commit_sha3 +$commit_sha4 +EOF + +cat >expect_conflict_$commit_sha1 <<EOF +<<<<<<< refs/notes/m +y notes on 1st commit +======= +z notes on 1st commit +>>>>>>> refs/notes/z +EOF + +cat >expect_conflict_$commit_sha2 <<EOF +z notes on 2nd commit +EOF + +cat >expect_conflict_$commit_sha3 <<EOF +y notes on 3rd commit +EOF + +cat >expect_conflict_$commit_sha4 <<EOF +<<<<<<< refs/notes/m +y notes on 4th commit +======= +z notes on 4th commit +>>>>>>> refs/notes/z +EOF + +cp expect_notes_y expect_notes_m +cp expect_log_y expect_log_m + +git rev-parse refs/notes/y > pre_merge_y +git rev-parse refs/notes/z > pre_merge_z + +test_expect_success 'merge z into m (== y) with default ("manual") resolver => Conflicting 3-way merge' ' + git update-ref refs/notes/m refs/notes/y && + git config core.notesRef refs/notes/m && + test_must_fail git notes merge z >output 2>&1 && + # Output should point to where to resolve conflicts + test_i18ngrep "\\.git/NOTES_MERGE_WORKTREE" output && + # Inspect merge conflicts + ls .git/NOTES_MERGE_WORKTREE >output_conflicts && + test_cmp expect_conflicts output_conflicts && + ( for f in $(cat expect_conflicts); do + test_cmp "expect_conflict_$f" ".git/NOTES_MERGE_WORKTREE/$f" || + exit 1 + done ) && + # Verify that current notes tree (pre-merge) has not changed (m == y) + verify_notes y && + verify_notes m && + test "$(git rev-parse refs/notes/m)" = "$(cat pre_merge_y)" +' + +cat <<EOF | sort >expect_notes_z +$(test_oid hash04d) $commit_sha4 +$(test_oid hash02c) $commit_sha2 +$(test_oid hash01c) $commit_sha1 +EOF + +cat >expect_log_z <<EOF +$commit_sha5 5th + +$commit_sha4 4th +z notes on 4th commit + +More z notes on 4th commit + +$commit_sha3 3rd + +$commit_sha2 2nd +z notes on 2nd commit + +$commit_sha1 1st +z notes on 1st commit + +EOF + +test_expect_success 'change notes in z' ' + git notes --ref z append -m "More z notes on 4th commit" 4th && + verify_notes z +' + +test_expect_success 'cannot do merge w/conflicts when previous merge is unfinished' ' + test -d .git/NOTES_MERGE_WORKTREE && + test_must_fail git notes merge z >output 2>&1 && + # Output should indicate what is wrong + test_i18ngrep -q "\\.git/NOTES_MERGE_\\* exists" output +' + +# Setup non-conflicting merge between x and new notes ref w + +cat <<EOF | sort >expect_notes_w +$(test_oid hash02a) $commit_sha2 +$(test_oid hash01e) $commit_sha1 +EOF + +cat >expect_log_w <<EOF +$commit_sha5 5th + +$commit_sha4 4th + +$commit_sha3 3rd + +$commit_sha2 2nd +x notes on 2nd commit + +$commit_sha1 1st +w notes on 1st commit + +EOF + +test_expect_success 'setup unrelated notes ref (w)' ' + git config core.notesRef refs/notes/w && + git notes add -m "w notes on 1st commit" 1st && + git notes add -m "x notes on 2nd commit" 2nd && + verify_notes w +' + +cat <<EOF | sort >expect_notes_w +$(test_oid hash04a) $commit_sha4 +$(test_oid hash03a) $commit_sha3 +$(test_oid hash02a) $commit_sha2 +$(test_oid hash01e) $commit_sha1 +EOF + +cat >expect_log_w <<EOF +$commit_sha5 5th + +$commit_sha4 4th +x notes on 4th commit + +$commit_sha3 3rd +x notes on 3rd commit + +$commit_sha2 2nd +x notes on 2nd commit + +$commit_sha1 1st +w notes on 1st commit + +EOF + +test_expect_success 'can do merge without conflicts even if previous merge is unfinished (x => w)' ' + test -d .git/NOTES_MERGE_WORKTREE && + git notes merge x && + verify_notes w && + # Verify that other notes refs has not changed (x and y) + verify_notes x && + verify_notes y +' + +cat <<EOF | sort >expect_notes_m +$(test_oid hash04f) $commit_sha4 +$(test_oid hash03b) $commit_sha3 +$(test_oid hash02c) $commit_sha2 +$(test_oid hash01f) $commit_sha1 +EOF + +cat >expect_log_m <<EOF +$commit_sha5 5th + +$commit_sha4 4th +y and z notes on 4th commit + +$commit_sha3 3rd +y notes on 3rd commit + +$commit_sha2 2nd +z notes on 2nd commit + +$commit_sha1 1st +y and z notes on 1st commit + +EOF + +test_expect_success 'do not allow mixing --commit and --abort' ' + test_must_fail git notes merge --commit --abort +' + +test_expect_success 'do not allow mixing --commit and --strategy' ' + test_must_fail git notes merge --commit --strategy theirs +' + +test_expect_success 'do not allow mixing --abort and --strategy' ' + test_must_fail git notes merge --abort --strategy theirs +' + +test_expect_success 'finalize conflicting merge (z => m)' ' + # Resolve conflicts and finalize merge + cat >.git/NOTES_MERGE_WORKTREE/$commit_sha1 <<EOF && +y and z notes on 1st commit +EOF + cat >.git/NOTES_MERGE_WORKTREE/$commit_sha4 <<EOF && +y and z notes on 4th commit +EOF + git notes merge --commit && + notes_merge_files_gone && + # Merge commit has pre-merge y and pre-merge z as parents + test "$(git rev-parse refs/notes/m^1)" = "$(cat pre_merge_y)" && + test "$(git rev-parse refs/notes/m^2)" = "$(cat pre_merge_z)" && + # Merge commit mentions the notes refs merged + git log -1 --format=%B refs/notes/m > merge_commit_msg && + grep -q refs/notes/m merge_commit_msg && + grep -q refs/notes/z merge_commit_msg && + # Merge commit mentions conflicting notes + grep -q "Conflicts" merge_commit_msg && + ( for sha1 in $(cat expect_conflicts); do + grep -q "$sha1" merge_commit_msg || + exit 1 + done ) && + # Verify contents of merge result + verify_notes m && + # Verify that other notes refs has not changed (w, x, y and z) + verify_notes w && + verify_notes x && + verify_notes y && + verify_notes z +' + +cat >expect_conflict_$commit_sha4 <<EOF +<<<<<<< refs/notes/m +y notes on 4th commit +======= +z notes on 4th commit + +More z notes on 4th commit +>>>>>>> refs/notes/z +EOF + +cp expect_notes_y expect_notes_m +cp expect_log_y expect_log_m + +git rev-parse refs/notes/y > pre_merge_y +git rev-parse refs/notes/z > pre_merge_z + +test_expect_success 'redo merge of z into m (== y) with default ("manual") resolver => Conflicting 3-way merge' ' + git update-ref refs/notes/m refs/notes/y && + git config core.notesRef refs/notes/m && + test_must_fail git notes merge z >output 2>&1 && + # Output should point to where to resolve conflicts + test_i18ngrep "\\.git/NOTES_MERGE_WORKTREE" output && + # Inspect merge conflicts + ls .git/NOTES_MERGE_WORKTREE >output_conflicts && + test_cmp expect_conflicts output_conflicts && + ( for f in $(cat expect_conflicts); do + test_cmp "expect_conflict_$f" ".git/NOTES_MERGE_WORKTREE/$f" || + exit 1 + done ) && + # Verify that current notes tree (pre-merge) has not changed (m == y) + verify_notes y && + verify_notes m && + test "$(git rev-parse refs/notes/m)" = "$(cat pre_merge_y)" +' + +test_expect_success 'abort notes merge' ' + git notes merge --abort && + notes_merge_files_gone && + # m has not moved (still == y) + test "$(git rev-parse refs/notes/m)" = "$(cat pre_merge_y)" && + # Verify that other notes refs has not changed (w, x, y and z) + verify_notes w && + verify_notes x && + verify_notes y && + verify_notes z +' + +git rev-parse refs/notes/y > pre_merge_y +git rev-parse refs/notes/z > pre_merge_z + +test_expect_success 'redo merge of z into m (== y) with default ("manual") resolver => Conflicting 3-way merge' ' + test_must_fail git notes merge z >output 2>&1 && + # Output should point to where to resolve conflicts + test_i18ngrep "\\.git/NOTES_MERGE_WORKTREE" output && + # Inspect merge conflicts + ls .git/NOTES_MERGE_WORKTREE >output_conflicts && + test_cmp expect_conflicts output_conflicts && + ( for f in $(cat expect_conflicts); do + test_cmp "expect_conflict_$f" ".git/NOTES_MERGE_WORKTREE/$f" || + exit 1 + done ) && + # Verify that current notes tree (pre-merge) has not changed (m == y) + verify_notes y && + verify_notes m && + test "$(git rev-parse refs/notes/m)" = "$(cat pre_merge_y)" +' + +cat <<EOF | sort >expect_notes_m +$(test_oid hash05g) $commit_sha5 +$(test_oid hash02c) $commit_sha2 +$(test_oid hash01f) $commit_sha1 +EOF + +cat >expect_log_m <<EOF +$commit_sha5 5th +new note on 5th commit + +$commit_sha4 4th + +$commit_sha3 3rd + +$commit_sha2 2nd +z notes on 2nd commit + +$commit_sha1 1st +y and z notes on 1st commit + +EOF + +test_expect_success 'add + remove notes in finalized merge (z => m)' ' + # Resolve one conflict + cat >.git/NOTES_MERGE_WORKTREE/$commit_sha1 <<EOF && +y and z notes on 1st commit +EOF + # Remove another conflict + rm .git/NOTES_MERGE_WORKTREE/$commit_sha4 && + # Remove a D/F conflict + rm .git/NOTES_MERGE_WORKTREE/$commit_sha3 && + # Add a new note + echo "new note on 5th commit" > .git/NOTES_MERGE_WORKTREE/$commit_sha5 && + # Finalize merge + git notes merge --commit && + notes_merge_files_gone && + # Merge commit has pre-merge y and pre-merge z as parents + test "$(git rev-parse refs/notes/m^1)" = "$(cat pre_merge_y)" && + test "$(git rev-parse refs/notes/m^2)" = "$(cat pre_merge_z)" && + # Merge commit mentions the notes refs merged + git log -1 --format=%B refs/notes/m > merge_commit_msg && + grep -q refs/notes/m merge_commit_msg && + grep -q refs/notes/z merge_commit_msg && + # Merge commit mentions conflicting notes + grep -q "Conflicts" merge_commit_msg && + ( for sha1 in $(cat expect_conflicts); do + grep -q "$sha1" merge_commit_msg || + exit 1 + done ) && + # Verify contents of merge result + verify_notes m && + # Verify that other notes refs has not changed (w, x, y and z) + verify_notes w && + verify_notes x && + verify_notes y && + verify_notes z +' + +cp expect_notes_y expect_notes_m +cp expect_log_y expect_log_m + +test_expect_success 'redo merge of z into m (== y) with default ("manual") resolver => Conflicting 3-way merge' ' + git update-ref refs/notes/m refs/notes/y && + test_must_fail git notes merge z >output 2>&1 && + # Output should point to where to resolve conflicts + test_i18ngrep "\\.git/NOTES_MERGE_WORKTREE" output && + # Inspect merge conflicts + ls .git/NOTES_MERGE_WORKTREE >output_conflicts && + test_cmp expect_conflicts output_conflicts && + ( for f in $(cat expect_conflicts); do + test_cmp "expect_conflict_$f" ".git/NOTES_MERGE_WORKTREE/$f" || + exit 1 + done ) && + # Verify that current notes tree (pre-merge) has not changed (m == y) + verify_notes y && + verify_notes m && + test "$(git rev-parse refs/notes/m)" = "$(cat pre_merge_y)" +' + +cp expect_notes_w expect_notes_m +cp expect_log_w expect_log_m + +test_expect_success 'reset notes ref m to somewhere else (w)' ' + git update-ref refs/notes/m refs/notes/w && + verify_notes m && + test "$(git rev-parse refs/notes/m)" = "$(git rev-parse refs/notes/w)" +' + +test_expect_success 'fail to finalize conflicting merge if underlying ref has moved in the meantime (m != NOTES_MERGE_PARTIAL^1)' ' + # Resolve conflicts + cat >.git/NOTES_MERGE_WORKTREE/$commit_sha1 <<EOF && +y and z notes on 1st commit +EOF + cat >.git/NOTES_MERGE_WORKTREE/$commit_sha4 <<EOF && +y and z notes on 4th commit +EOF + # Fail to finalize merge + test_must_fail git notes merge --commit >output 2>&1 && + # .git/NOTES_MERGE_* must remain + test -f .git/NOTES_MERGE_PARTIAL && + test -f .git/NOTES_MERGE_REF && + test -f .git/NOTES_MERGE_WORKTREE/$commit_sha1 && + test -f .git/NOTES_MERGE_WORKTREE/$commit_sha2 && + test -f .git/NOTES_MERGE_WORKTREE/$commit_sha3 && + test -f .git/NOTES_MERGE_WORKTREE/$commit_sha4 && + # Refs are unchanged + test "$(git rev-parse refs/notes/m)" = "$(git rev-parse refs/notes/w)" && + test "$(git rev-parse refs/notes/y)" = "$(git rev-parse NOTES_MERGE_PARTIAL^1)" && + test "$(git rev-parse refs/notes/m)" != "$(git rev-parse NOTES_MERGE_PARTIAL^1)" && + # Mention refs/notes/m, and its current and expected value in output + test_i18ngrep -q "refs/notes/m" output && + test_i18ngrep -q "$(git rev-parse refs/notes/m)" output && + test_i18ngrep -q "$(git rev-parse NOTES_MERGE_PARTIAL^1)" output && + # Verify that other notes refs has not changed (w, x, y and z) + verify_notes w && + verify_notes x && + verify_notes y && + verify_notes z +' + +test_expect_success 'resolve situation by aborting the notes merge' ' + git notes merge --abort && + notes_merge_files_gone && + # m has not moved (still == w) + test "$(git rev-parse refs/notes/m)" = "$(git rev-parse refs/notes/w)" && + # Verify that other notes refs has not changed (w, x, y and z) + verify_notes w && + verify_notes x && + verify_notes y && + verify_notes z +' + +cat >expect_notes <<EOF +foo +bar +EOF + +test_expect_success 'switch cwd before committing notes merge' ' + git notes add -m foo HEAD && + git notes --ref=other add -m bar HEAD && + test_must_fail git notes merge refs/notes/other && + ( + cd .git/NOTES_MERGE_WORKTREE && + echo "foo" > $(git rev-parse HEAD) && + echo "bar" >> $(git rev-parse HEAD) && + git notes merge --commit + ) && + git notes show HEAD > actual_notes && + test_cmp expect_notes actual_notes +' + +test_done |