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-rwxr-xr-xt/t3310-notes-merge-manual-resolve.sh575
1 files changed, 575 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 0000000000..195bb97f85
--- /dev/null
+++ b/t/t3310-notes-merge-manual-resolve.sh
@@ -0,0 +1,575 @@
+#!/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
+'
+
+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"
+}
+
+cat <<EOF | sort >expect_notes_x
+6e8e3febca3c2bb896704335cc4d0c34cb2f8715 $commit_sha4
+e5388c10860456ee60673025345fe2e153eb8cf8 $commit_sha3
+ceefa674873670e7ecd131814d909723cce2b669 $commit_sha2
+EOF
+
+cat >expect_log_x <<EOF
+$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
+e2bfd06a37dd2031684a59a6e2b033e212239c78 $commit_sha4
+5772f42408c0dd6f097a7ca2d24de0e78d1c46b1 $commit_sha3
+b0a6021ec006d07e80e9b20ec9b444cbd9d560d3 $commit_sha1
+EOF
+
+cat >expect_log_y <<EOF
+$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
+cff59c793c20bb49a4e01bc06fb06bad642e0d54 $commit_sha4
+283b48219aee9a4105f6cab337e789065c82c2b9 $commit_sha2
+0a81da8956346e19bcb27a906f04af327e03e31b $commit_sha1
+EOF
+
+cat >expect_log_z <<EOF
+$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 &&
+ # Output should point to where to resolve conflicts
+ grep -q "\\.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
+00494adecf2d9635a02fa431308d67993f853968 $commit_sha4
+283b48219aee9a4105f6cab337e789065c82c2b9 $commit_sha2
+0a81da8956346e19bcb27a906f04af327e03e31b $commit_sha1
+EOF
+
+cat >expect_log_z <<EOF
+$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
+ grep -q "\\.git/NOTES_MERGE_\\* exists" output
+'
+
+# Setup non-conflicting merge between x and new notes ref w
+
+cat <<EOF | sort >expect_notes_w
+ceefa674873670e7ecd131814d909723cce2b669 $commit_sha2
+f75d1df88cbfe4258d49852f26cfc83f2ad4494b $commit_sha1
+EOF
+
+cat >expect_log_w <<EOF
+$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
+6e8e3febca3c2bb896704335cc4d0c34cb2f8715 $commit_sha4
+e5388c10860456ee60673025345fe2e153eb8cf8 $commit_sha3
+ceefa674873670e7ecd131814d909723cce2b669 $commit_sha2
+f75d1df88cbfe4258d49852f26cfc83f2ad4494b $commit_sha1
+EOF
+
+cat >expect_log_w <<EOF
+$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
+021faa20e931fb48986ffc6282b4bb05553ac946 $commit_sha4
+5772f42408c0dd6f097a7ca2d24de0e78d1c46b1 $commit_sha3
+283b48219aee9a4105f6cab337e789065c82c2b9 $commit_sha2
+0a59e787e6d688aa6309e56e8c1b89431a0fc1c1 $commit_sha1
+EOF
+
+cat >expect_log_m <<EOF
+$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 '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 &&
+ # No .git/NOTES_MERGE_* files left
+ test_might_fail ls .git/NOTES_MERGE_* >output 2>/dev/null &&
+ test_cmp /dev/null output &&
+ # 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 &&
+ # Output should point to where to resolve conflicts
+ grep -q "\\.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)" = "$(cat pre_merge_y)"
+'
+
+test_expect_success 'abort notes merge' '
+ git notes merge --abort &&
+ # No .git/NOTES_MERGE_* files left
+ test_might_fail ls .git/NOTES_MERGE_* >output 2>/dev/null &&
+ test_cmp /dev/null output &&
+ # m has not moved (still == y)
+ test "$(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 &&
+ # Output should point to where to resolve conflicts
+ grep -q "\\.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
+304dfb4325cf243025b9957486eb605a9b51c199 $commit_sha5
+283b48219aee9a4105f6cab337e789065c82c2b9 $commit_sha2
+0a59e787e6d688aa6309e56e8c1b89431a0fc1c1 $commit_sha1
+EOF
+
+cat >expect_log_m <<EOF
+$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 &&
+ # No .git/NOTES_MERGE_* files left
+ test_might_fail ls .git/NOTES_MERGE_* >output 2>/dev/null &&
+ test_cmp /dev/null output &&
+ # 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 &&
+ # Output should point to where to resolve conflicts
+ grep -q "\\.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)" != "$(git rev-parse NOTES_MERGE_PARTIAL^1)" &&
+ # Mention refs/notes/m, and its current and expected value in output
+ grep -q "refs/notes/m" output &&
+ grep -q "$(git rev-parse refs/notes/m)" output &&
+ grep -q "$(git rev-parse NOTES_MERGE_PARTIAL^1)" output &&
+ # Verify that other notes refs has not changed (w, x, y and z)
+ verify_notes w &&
+ verify_notes x &&
+ verify_notes y &&
+ verify_notes z
+'
+
+test_expect_success 'resolve situation by aborting the notes merge' '
+ git notes merge --abort &&
+ # No .git/NOTES_MERGE_* files left
+ test_might_fail ls .git/NOTES_MERGE_* >output 2>/dev/null &&
+ test_cmp /dev/null output &&
+ # m has not moved (still == w)
+ test "$(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