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-rwxr-xr-xt/t3301-notes.sh23
-rwxr-xr-xt/t3303-notes-subtrees.sh19
-rwxr-xr-xt/t3308-notes-merge.sh368
-rwxr-xr-xt/t3309-notes-merge-auto-resolve.sh647
-rwxr-xr-xt/t3310-notes-merge-manual-resolve.sh556
-rwxr-xr-xt/t3311-notes-merge-fanout.sh436
-rwxr-xr-xt/t3404-rebase-interactive.sh1
-rwxr-xr-xt/t7609-merge-abort.sh313
-rwxr-xr-xt/t9301-fast-import-notes.sh5
9 files changed, 2359 insertions, 9 deletions
diff --git a/t/t3301-notes.sh b/t/t3301-notes.sh
index 7e84ab9790..dc2e04a016 100755
--- a/t/t3301-notes.sh
+++ b/t/t3301-notes.sh
@@ -962,6 +962,7 @@ Date: Thu Apr 7 15:27:13 2005 -0700
Notes (other):
a fresh note
+$whitespace
another fresh note
EOF
@@ -983,8 +984,11 @@ Date: Thu Apr 7 15:27:13 2005 -0700
Notes (other):
a fresh note
+$whitespace
another fresh note
+$whitespace
append 1
+$whitespace
append 2
EOF
@@ -1061,4 +1065,23 @@ test_expect_success 'git notes copy diagnoses too many or too few parameters' '
test_must_fail git notes copy one two three
'
+test_expect_success 'git notes get-ref (no overrides)' '
+ git config --unset core.notesRef &&
+ unset GIT_NOTES_REF &&
+ test "$(git notes get-ref)" = "refs/notes/commits"
+'
+
+test_expect_success 'git notes get-ref (core.notesRef)' '
+ git config core.notesRef refs/notes/foo &&
+ test "$(git notes get-ref)" = "refs/notes/foo"
+'
+
+test_expect_success 'git notes get-ref (GIT_NOTES_REF)' '
+ test "$(GIT_NOTES_REF=refs/notes/bar git notes get-ref)" = "refs/notes/bar"
+'
+
+test_expect_success 'git notes get-ref (--ref)' '
+ test "$(GIT_NOTES_REF=refs/notes/bar git notes --ref=baz get-ref)" = "refs/notes/baz"
+'
+
test_done
diff --git a/t/t3303-notes-subtrees.sh b/t/t3303-notes-subtrees.sh
index 75ec18778e..704aee81ef 100755
--- a/t/t3303-notes-subtrees.sh
+++ b/t/t3303-notes-subtrees.sh
@@ -168,15 +168,16 @@ INPUT_END
}
verify_concatenated_notes () {
- git log | grep "^ " > output &&
- i=$number_of_commits &&
- while [ $i -gt 0 ]; do
- echo " commit #$i" &&
- echo " first note for commit #$i" &&
- echo " second note for commit #$i" &&
- i=$(($i-1));
- done > expect &&
- test_cmp expect output
+ git log | grep "^ " > output &&
+ i=$number_of_commits &&
+ while [ $i -gt 0 ]; do
+ echo " commit #$i" &&
+ echo " first note for commit #$i" &&
+ echo " " &&
+ echo " second note for commit #$i" &&
+ i=$(($i-1));
+ done > expect &&
+ test_cmp expect output
}
test_expect_success 'test notes in no fanout concatenated with 2/38-fanout' 'test_concatenated_notes "s|^..|&/|" ""'
diff --git a/t/t3308-notes-merge.sh b/t/t3308-notes-merge.sh
new file mode 100755
index 0000000000..24d82b49bb
--- /dev/null
+++ b/t/t3308-notes-merge.sh
@@ -0,0 +1,368 @@
+#!/bin/sh
+#
+# Copyright (c) 2010 Johan Herland
+#
+
+test_description='Test merging of notes trees'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+ test_commit 1st &&
+ test_commit 2nd &&
+ test_commit 3rd &&
+ test_commit 4th &&
+ test_commit 5th &&
+ # Create notes on 4 first commits
+ git config core.notesRef refs/notes/x &&
+ git notes add -m "Notes on 1st commit" 1st &&
+ git notes add -m "Notes on 2nd commit" 2nd &&
+ git notes add -m "Notes on 3rd commit" 3rd &&
+ git notes add -m "Notes on 4th commit" 4th
+'
+
+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
+5e93d24084d32e1cb61f7070505b9d2530cca987 $commit_sha4
+8366731eeee53787d2bdf8fc1eff7d94757e8da0 $commit_sha3
+eede89064cd42441590d6afec6c37b321ada3389 $commit_sha2
+daa55ffad6cb99bf64226532147ffcaf5ce8bdd1 $commit_sha1
+EOF
+
+cat >expect_log_x <<EOF
+$commit_sha5 5th
+
+$commit_sha4 4th
+Notes on 4th commit
+
+$commit_sha3 3rd
+Notes on 3rd commit
+
+$commit_sha2 2nd
+Notes on 2nd commit
+
+$commit_sha1 1st
+Notes on 1st commit
+
+EOF
+
+test_expect_success 'verify initial notes (x)' '
+ verify_notes x
+'
+
+cp expect_notes_x expect_notes_y
+cp expect_log_x expect_log_y
+
+test_expect_success 'fail to merge empty notes ref into empty notes ref (z => y)' '
+ test_must_fail git -c "core.notesRef=refs/notes/y" notes merge z
+'
+
+test_expect_success 'fail to merge into various non-notes refs' '
+ test_must_fail git -c "core.notesRef=refs/notes" notes merge x &&
+ test_must_fail git -c "core.notesRef=refs/notes/" notes merge x &&
+ mkdir -p .git/refs/notes/dir &&
+ test_must_fail git -c "core.notesRef=refs/notes/dir" notes merge x &&
+ test_must_fail git -c "core.notesRef=refs/notes/dir/" notes merge x &&
+ test_must_fail git -c "core.notesRef=refs/heads/master" notes merge x &&
+ test_must_fail git -c "core.notesRef=refs/notes/y:" notes merge x &&
+ test_must_fail git -c "core.notesRef=refs/notes/y:foo" notes merge x &&
+ test_must_fail git -c "core.notesRef=refs/notes/foo^{bar" notes merge x
+'
+
+test_expect_success 'fail to merge various non-note-trees' '
+ git config core.notesRef refs/notes/y &&
+ test_must_fail git notes merge refs/notes &&
+ test_must_fail git notes merge refs/notes/ &&
+ test_must_fail git notes merge refs/notes/dir &&
+ test_must_fail git notes merge refs/notes/dir/ &&
+ test_must_fail git notes merge refs/heads/master &&
+ test_must_fail git notes merge x: &&
+ test_must_fail git notes merge x:foo &&
+ test_must_fail git notes merge foo^{bar
+'
+
+test_expect_success 'merge notes into empty notes ref (x => y)' '
+ git config core.notesRef refs/notes/y &&
+ git notes merge x &&
+ verify_notes y &&
+ # x and y should point to the same notes commit
+ test "$(git rev-parse refs/notes/x)" = "$(git rev-parse refs/notes/y)"
+'
+
+test_expect_success 'merge empty notes ref (z => y)' '
+ git notes merge z &&
+ # y should not change (still == x)
+ test "$(git rev-parse refs/notes/x)" = "$(git rev-parse refs/notes/y)"
+'
+
+test_expect_success 'change notes on other notes ref (y)' '
+ # Not touching notes to 1st commit
+ git notes remove 2nd &&
+ git notes append -m "More notes on 3rd commit" 3rd &&
+ git notes add -f -m "New notes on 4th commit" 4th &&
+ git notes add -m "Notes on 5th commit" 5th
+'
+
+test_expect_success 'merge previous notes commit (y^ => y) => No-op' '
+ pre_state="$(git rev-parse refs/notes/y)" &&
+ git notes merge y^ &&
+ # y should not move
+ test "$pre_state" = "$(git rev-parse refs/notes/y)"
+'
+
+cat <<EOF | sort >expect_notes_y
+0f2efbd00262f2fd41dfae33df8765618eeacd99 $commit_sha5
+dec2502dac3ea161543f71930044deff93fa945c $commit_sha4
+4069cdb399fd45463ec6eef8e051a16a03592d91 $commit_sha3
+daa55ffad6cb99bf64226532147ffcaf5ce8bdd1 $commit_sha1
+EOF
+
+cat >expect_log_y <<EOF
+$commit_sha5 5th
+Notes on 5th commit
+
+$commit_sha4 4th
+New notes on 4th commit
+
+$commit_sha3 3rd
+Notes on 3rd commit
+
+More notes on 3rd commit
+
+$commit_sha2 2nd
+
+$commit_sha1 1st
+Notes on 1st commit
+
+EOF
+
+test_expect_success 'verify changed notes on other notes ref (y)' '
+ verify_notes y
+'
+
+test_expect_success 'verify unchanged notes on original notes ref (x)' '
+ verify_notes x
+'
+
+test_expect_success 'merge original notes (x) into changed notes (y) => No-op' '
+ git notes merge -vvv x &&
+ verify_notes y &&
+ verify_notes x
+'
+
+cp expect_notes_y expect_notes_x
+cp expect_log_y expect_log_x
+
+test_expect_success 'merge changed (y) into original (x) => Fast-forward' '
+ git config core.notesRef refs/notes/x &&
+ git notes merge y &&
+ verify_notes x &&
+ verify_notes y &&
+ # x and y should point to same the notes commit
+ test "$(git rev-parse refs/notes/x)" = "$(git rev-parse refs/notes/y)"
+'
+
+test_expect_success 'merge empty notes ref (z => y)' '
+ # Prepare empty (but valid) notes ref (z)
+ git config core.notesRef refs/notes/z &&
+ git notes add -m "foo" &&
+ git notes remove &&
+ git notes >output_notes_z &&
+ test_cmp /dev/null output_notes_z &&
+ # Do the merge (z => y)
+ git config core.notesRef refs/notes/y &&
+ git notes merge z &&
+ verify_notes y &&
+ # y should no longer point to the same notes commit as x
+ test "$(git rev-parse refs/notes/x)" != "$(git rev-parse refs/notes/y)"
+'
+
+cat <<EOF | sort >expect_notes_y
+0f2efbd00262f2fd41dfae33df8765618eeacd99 $commit_sha5
+dec2502dac3ea161543f71930044deff93fa945c $commit_sha4
+4069cdb399fd45463ec6eef8e051a16a03592d91 $commit_sha3
+d000d30e6ddcfce3a8122c403226a2ce2fd04d9d $commit_sha2
+43add6bd0c8c0bc871ac7991e0f5573cfba27804 $commit_sha1
+EOF
+
+cat >expect_log_y <<EOF
+$commit_sha5 5th
+Notes on 5th commit
+
+$commit_sha4 4th
+New notes on 4th commit
+
+$commit_sha3 3rd
+Notes on 3rd commit
+
+More notes on 3rd commit
+
+$commit_sha2 2nd
+New notes on 2nd commit
+
+$commit_sha1 1st
+Notes on 1st commit
+
+More notes on 1st commit
+
+EOF
+
+test_expect_success 'change notes on other notes ref (y)' '
+ # Append to 1st commit notes
+ git notes append -m "More notes on 1st commit" 1st &&
+ # Add new notes to 2nd commit
+ git notes add -m "New notes on 2nd commit" 2nd &&
+ verify_notes y
+'
+
+cat <<EOF | sort >expect_notes_x
+0f2efbd00262f2fd41dfae33df8765618eeacd99 $commit_sha5
+1f257a3a90328557c452f0817d6cc50c89d315d4 $commit_sha4
+daa55ffad6cb99bf64226532147ffcaf5ce8bdd1 $commit_sha1
+EOF
+
+cat >expect_log_x <<EOF
+$commit_sha5 5th
+Notes on 5th commit
+
+$commit_sha4 4th
+New notes on 4th commit
+
+More notes on 4th commit
+
+$commit_sha3 3rd
+
+$commit_sha2 2nd
+
+$commit_sha1 1st
+Notes on 1st commit
+
+EOF
+
+test_expect_success 'change notes on notes ref (x)' '
+ git config core.notesRef refs/notes/x &&
+ git notes remove 3rd &&
+ git notes append -m "More notes on 4th commit" 4th &&
+ verify_notes x
+'
+
+cat <<EOF | sort >expect_notes_x
+0f2efbd00262f2fd41dfae33df8765618eeacd99 $commit_sha5
+1f257a3a90328557c452f0817d6cc50c89d315d4 $commit_sha4
+d000d30e6ddcfce3a8122c403226a2ce2fd04d9d $commit_sha2
+43add6bd0c8c0bc871ac7991e0f5573cfba27804 $commit_sha1
+EOF
+
+cat >expect_log_x <<EOF
+$commit_sha5 5th
+Notes on 5th commit
+
+$commit_sha4 4th
+New notes on 4th commit
+
+More notes on 4th commit
+
+$commit_sha3 3rd
+
+$commit_sha2 2nd
+New notes on 2nd commit
+
+$commit_sha1 1st
+Notes on 1st commit
+
+More notes on 1st commit
+
+EOF
+
+test_expect_success 'merge y into x => Non-conflicting 3-way merge' '
+ git notes merge y &&
+ verify_notes x &&
+ verify_notes y
+'
+
+cat <<EOF | sort >expect_notes_w
+05a4927951bcef347f51486575b878b2b60137f2 $commit_sha3
+d000d30e6ddcfce3a8122c403226a2ce2fd04d9d $commit_sha2
+EOF
+
+cat >expect_log_w <<EOF
+$commit_sha5 5th
+
+$commit_sha4 4th
+
+$commit_sha3 3rd
+New notes on 3rd commit
+
+$commit_sha2 2nd
+New notes on 2nd commit
+
+$commit_sha1 1st
+
+EOF
+
+test_expect_success 'create notes on new, separate notes ref (w)' '
+ git config core.notesRef refs/notes/w &&
+ # Add same note as refs/notes/y on 2nd commit
+ git notes add -m "New notes on 2nd commit" 2nd &&
+ # Add new note on 3rd commit (non-conflicting)
+ git notes add -m "New notes on 3rd commit" 3rd &&
+ # Verify state of notes on new, separate notes ref (w)
+ verify_notes w
+'
+
+cat <<EOF | sort >expect_notes_x
+0f2efbd00262f2fd41dfae33df8765618eeacd99 $commit_sha5
+1f257a3a90328557c452f0817d6cc50c89d315d4 $commit_sha4
+05a4927951bcef347f51486575b878b2b60137f2 $commit_sha3
+d000d30e6ddcfce3a8122c403226a2ce2fd04d9d $commit_sha2
+43add6bd0c8c0bc871ac7991e0f5573cfba27804 $commit_sha1
+EOF
+
+cat >expect_log_x <<EOF
+$commit_sha5 5th
+Notes on 5th commit
+
+$commit_sha4 4th
+New notes on 4th commit
+
+More notes on 4th commit
+
+$commit_sha3 3rd
+New notes on 3rd commit
+
+$commit_sha2 2nd
+New notes on 2nd commit
+
+$commit_sha1 1st
+Notes on 1st commit
+
+More notes on 1st commit
+
+EOF
+
+test_expect_success 'merge w into x => Non-conflicting history-less merge' '
+ git config core.notesRef refs/notes/x &&
+ git notes merge w &&
+ # Verify new state of notes on other notes ref (x)
+ verify_notes x &&
+ # Also verify that nothing changed on other notes refs (y and w)
+ verify_notes y &&
+ verify_notes w
+'
+
+test_done
diff --git a/t/t3309-notes-merge-auto-resolve.sh b/t/t3309-notes-merge-auto-resolve.sh
new file mode 100755
index 0000000000..461fd84755
--- /dev/null
+++ b/t/t3309-notes-merge-auto-resolve.sh
@@ -0,0 +1,647 @@
+#!/bin/sh
+#
+# Copyright (c) 2010 Johan Herland
+#
+
+test_description='Test notes merging with auto-resolving strategies'
+
+. ./test-lib.sh
+
+# Set up a notes merge scenario with all kinds of potential conflicts
+test_expect_success 'setup commits' '
+ test_commit 1st &&
+ test_commit 2nd &&
+ test_commit 3rd &&
+ test_commit 4th &&
+ test_commit 5th &&
+ test_commit 6th &&
+ test_commit 7th &&
+ test_commit 8th &&
+ test_commit 9th &&
+ test_commit 10th &&
+ test_commit 11th &&
+ test_commit 12th &&
+ test_commit 13th &&
+ test_commit 14th &&
+ test_commit 15th
+'
+
+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=$(git rev-parse 5th^{commit})
+commit_sha6=$(git rev-parse 6th^{commit})
+commit_sha7=$(git rev-parse 7th^{commit})
+commit_sha8=$(git rev-parse 8th^{commit})
+commit_sha9=$(git rev-parse 9th^{commit})
+commit_sha10=$(git rev-parse 10th^{commit})
+commit_sha11=$(git rev-parse 11th^{commit})
+commit_sha12=$(git rev-parse 12th^{commit})
+commit_sha13=$(git rev-parse 13th^{commit})
+commit_sha14=$(git rev-parse 14th^{commit})
+commit_sha15=$(git rev-parse 15th^{commit})
+
+verify_notes () {
+ notes_ref="$1"
+ suffix="$2"
+ git -c core.notesRef="refs/notes/$notes_ref" notes |
+ sort >"output_notes_$suffix" &&
+ test_cmp "expect_notes_$suffix" "output_notes_$suffix" &&
+ git -c core.notesRef="refs/notes/$notes_ref" log --format="%H %s%n%N" \
+ >"output_log_$suffix" &&
+ test_cmp "expect_log_$suffix" "output_log_$suffix"
+}
+
+test_expect_success 'setup merge base (x)' '
+ git config core.notesRef refs/notes/x &&
+ git notes add -m "x notes on 6th commit" 6th &&
+ git notes add -m "x notes on 7th commit" 7th &&
+ git notes add -m "x notes on 8th commit" 8th &&
+ git notes add -m "x notes on 9th commit" 9th &&
+ git notes add -m "x notes on 10th commit" 10th &&
+ git notes add -m "x notes on 11th commit" 11th &&
+ git notes add -m "x notes on 12th commit" 12th &&
+ git notes add -m "x notes on 13th commit" 13th &&
+ git notes add -m "x notes on 14th commit" 14th &&
+ git notes add -m "x notes on 15th commit" 15th
+'
+
+cat <<EOF | sort >expect_notes_x
+457a85d6c814ea208550f15fcc48f804ac8dc023 $commit_sha15
+b0c95b954301d69da2bc3723f4cb1680d355937c $commit_sha14
+5d30216a129eeffa97d9694ffe8c74317a560315 $commit_sha13
+dd161bc149470fd890dd4ab52a4cbd79bbd18c36 $commit_sha12
+7abbc45126d680336fb24294f013a7cdfa3ed545 $commit_sha11
+b8d03e173f67f6505a76f6e00cf93440200dd9be $commit_sha10
+20c613c835011c48a5abe29170a2402ca6354910 $commit_sha9
+a3daf8a1e4e5dc3409a303ad8481d57bfea7f5d6 $commit_sha8
+897003322b53bc6ca098e9324ee508362347e734 $commit_sha7
+11d97fdebfa5ceee540a3da07bce6fa0222bc082 $commit_sha6
+EOF
+
+cat >expect_log_x <<EOF
+$commit_sha15 15th
+x notes on 15th commit
+
+$commit_sha14 14th
+x notes on 14th commit
+
+$commit_sha13 13th
+x notes on 13th commit
+
+$commit_sha12 12th
+x notes on 12th commit
+
+$commit_sha11 11th
+x notes on 11th commit
+
+$commit_sha10 10th
+x notes on 10th commit
+
+$commit_sha9 9th
+x notes on 9th commit
+
+$commit_sha8 8th
+x notes on 8th commit
+
+$commit_sha7 7th
+x notes on 7th commit
+
+$commit_sha6 6th
+x notes on 6th commit
+
+$commit_sha5 5th
+
+$commit_sha4 4th
+
+$commit_sha3 3rd
+
+$commit_sha2 2nd
+
+$commit_sha1 1st
+
+EOF
+
+test_expect_success 'verify state of merge base (x)' 'verify_notes x x'
+
+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 3rd commit" 3rd &&
+ git notes add -f -m "y notes on 4th commit" 4th &&
+ git notes add -f -m "y notes on 5th commit" 5th &&
+ git notes remove 6th &&
+ git notes remove 7th &&
+ git notes remove 8th &&
+ git notes add -f -m "y notes on 12th commit" 12th &&
+ git notes add -f -m "y notes on 13th commit" 13th &&
+ git notes add -f -m "y notes on 14th commit" 14th &&
+ git notes add -f -m "y notes on 15th commit" 15th
+'
+
+cat <<EOF | sort >expect_notes_y
+68b8630d25516028bed862719855b3d6768d7833 $commit_sha15
+5de7ea7ad4f47e7ff91989fb82234634730f75df $commit_sha14
+3a631fdb6f41b05b55d8f4baf20728ba8f6fccbc $commit_sha13
+a66055fa82f7a03fe0c02a6aba3287a85abf7c62 $commit_sha12
+7abbc45126d680336fb24294f013a7cdfa3ed545 $commit_sha11
+b8d03e173f67f6505a76f6e00cf93440200dd9be $commit_sha10
+20c613c835011c48a5abe29170a2402ca6354910 $commit_sha9
+154508c7a0bcad82b6fe4b472bc4c26b3bf0825b $commit_sha5
+e2bfd06a37dd2031684a59a6e2b033e212239c78 $commit_sha4
+5772f42408c0dd6f097a7ca2d24de0e78d1c46b1 $commit_sha3
+EOF
+
+cat >expect_log_y <<EOF
+$commit_sha15 15th
+y notes on 15th commit
+
+$commit_sha14 14th
+y notes on 14th commit
+
+$commit_sha13 13th
+y notes on 13th commit
+
+$commit_sha12 12th
+y notes on 12th commit
+
+$commit_sha11 11th
+x notes on 11th commit
+
+$commit_sha10 10th
+x notes on 10th commit
+
+$commit_sha9 9th
+x notes on 9th commit
+
+$commit_sha8 8th
+
+$commit_sha7 7th
+
+$commit_sha6 6th
+
+$commit_sha5 5th
+y notes on 5th commit
+
+$commit_sha4 4th
+y notes on 4th commit
+
+$commit_sha3 3rd
+y notes on 3rd commit
+
+$commit_sha2 2nd
+
+$commit_sha1 1st
+
+EOF
+
+test_expect_success 'verify state of local branch (y)' 'verify_notes y y'
+
+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 2nd commit" 2nd &&
+ git notes add -f -m "y notes on 4th commit" 4th &&
+ git notes add -f -m "z notes on 5th commit" 5th &&
+ git notes remove 6th &&
+ git notes add -f -m "z notes on 8th commit" 8th &&
+ git notes remove 9th &&
+ git notes add -f -m "z notes on 11th commit" 11th &&
+ git notes remove 12th &&
+ git notes add -f -m "y notes on 14th commit" 14th &&
+ git notes add -f -m "z notes on 15th commit" 15th
+'
+
+cat <<EOF | sort >expect_notes_z
+9b4b2c61f0615412da3c10f98ff85b57c04ec765 $commit_sha15
+5de7ea7ad4f47e7ff91989fb82234634730f75df $commit_sha14
+5d30216a129eeffa97d9694ffe8c74317a560315 $commit_sha13
+7e3c53503a3db8dd996cb62e37c66e070b44b54d $commit_sha11
+b8d03e173f67f6505a76f6e00cf93440200dd9be $commit_sha10
+851e1638784a884c7dd26c5d41f3340f6387413a $commit_sha8
+897003322b53bc6ca098e9324ee508362347e734 $commit_sha7
+99fc34adfc400b95c67b013115e37e31aa9a6d23 $commit_sha5
+e2bfd06a37dd2031684a59a6e2b033e212239c78 $commit_sha4
+283b48219aee9a4105f6cab337e789065c82c2b9 $commit_sha2
+EOF
+
+cat >expect_log_z <<EOF
+$commit_sha15 15th
+z notes on 15th commit
+
+$commit_sha14 14th
+y notes on 14th commit
+
+$commit_sha13 13th
+x notes on 13th commit
+
+$commit_sha12 12th
+
+$commit_sha11 11th
+z notes on 11th commit
+
+$commit_sha10 10th
+x notes on 10th commit
+
+$commit_sha9 9th
+
+$commit_sha8 8th
+z notes on 8th commit
+
+$commit_sha7 7th
+x notes on 7th commit
+
+$commit_sha6 6th
+
+$commit_sha5 5th
+z notes on 5th commit
+
+$commit_sha4 4th
+y notes on 4th commit
+
+$commit_sha3 3rd
+
+$commit_sha2 2nd
+z notes on 2nd commit
+
+$commit_sha1 1st
+
+EOF
+
+test_expect_success 'verify state of remote branch (z)' 'verify_notes z 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 | result
+# -------|---------|---------|----------|----------------------------|-------
+# 1st | [none] | [none] | [none] | unchanged / unchanged | [none]
+# 2nd | [none] | [none] | 283b482 | unchanged / added | 283b482
+# 3rd | [none] | 5772f42 | [none] | added / unchanged | 5772f42
+# 4th | [none] | e2bfd06 | e2bfd06 | added / added (same) | e2bfd06
+# 5th | [none] | 154508c | 99fc34a | added / added (diff) | ???
+# 6th | 11d97fd | [none] | [none] | removed / removed | [none]
+# 7th | 8970033 | [none] | 8970033 | removed / unchanged | [none]
+# 8th | a3daf8a | [none] | 851e163 | removed / changed | ???
+# 9th | 20c613c | 20c613c | [none] | unchanged / removed | [none]
+# 10th | b8d03e1 | b8d03e1 | b8d03e1 | unchanged / unchanged | b8d03e1
+# 11th | 7abbc45 | 7abbc45 | 7e3c535 | unchanged / changed | 7e3c535
+# 12th | dd161bc | a66055f | [none] | changed / removed | ???
+# 13th | 5d30216 | 3a631fd | 5d30216 | changed / unchanged | 3a631fd
+# 14th | b0c95b9 | 5de7ea7 | 5de7ea7 | changed / changed (same) | 5de7ea7
+# 15th | 457a85d | 68b8630 | 9b4b2c6 | changed / changed (diff) | ???
+
+test_expect_success 'merge z into y with invalid strategy => Fail/No changes' '
+ git config core.notesRef refs/notes/y &&
+ test_must_fail git notes merge --strategy=foo z &&
+ # Verify no changes (y)
+ verify_notes y y
+'
+
+cat <<EOF | sort >expect_notes_ours
+68b8630d25516028bed862719855b3d6768d7833 $commit_sha15
+5de7ea7ad4f47e7ff91989fb82234634730f75df $commit_sha14
+3a631fdb6f41b05b55d8f4baf20728ba8f6fccbc $commit_sha13
+a66055fa82f7a03fe0c02a6aba3287a85abf7c62 $commit_sha12
+7e3c53503a3db8dd996cb62e37c66e070b44b54d $commit_sha11
+b8d03e173f67f6505a76f6e00cf93440200dd9be $commit_sha10
+154508c7a0bcad82b6fe4b472bc4c26b3bf0825b $commit_sha5
+e2bfd06a37dd2031684a59a6e2b033e212239c78 $commit_sha4
+5772f42408c0dd6f097a7ca2d24de0e78d1c46b1 $commit_sha3
+283b48219aee9a4105f6cab337e789065c82c2b9 $commit_sha2
+EOF
+
+cat >expect_log_ours <<EOF
+$commit_sha15 15th
+y notes on 15th commit
+
+$commit_sha14 14th
+y notes on 14th commit
+
+$commit_sha13 13th
+y notes on 13th commit
+
+$commit_sha12 12th
+y notes on 12th commit
+
+$commit_sha11 11th
+z notes on 11th commit
+
+$commit_sha10 10th
+x notes on 10th commit
+
+$commit_sha9 9th
+
+$commit_sha8 8th
+
+$commit_sha7 7th
+
+$commit_sha6 6th
+
+$commit_sha5 5th
+y notes on 5th commit
+
+$commit_sha4 4th
+y notes on 4th commit
+
+$commit_sha3 3rd
+y notes on 3rd commit
+
+$commit_sha2 2nd
+z notes on 2nd commit
+
+$commit_sha1 1st
+
+EOF
+
+test_expect_success 'merge z into y with "ours" strategy => Non-conflicting 3-way merge' '
+ git notes merge --strategy=ours z &&
+ verify_notes y ours
+'
+
+test_expect_success 'reset to pre-merge state (y)' '
+ git update-ref refs/notes/y refs/notes/y^1 &&
+ # Verify pre-merge state
+ verify_notes y y
+'
+
+cat <<EOF | sort >expect_notes_theirs
+9b4b2c61f0615412da3c10f98ff85b57c04ec765 $commit_sha15
+5de7ea7ad4f47e7ff91989fb82234634730f75df $commit_sha14
+3a631fdb6f41b05b55d8f4baf20728ba8f6fccbc $commit_sha13
+7e3c53503a3db8dd996cb62e37c66e070b44b54d $commit_sha11
+b8d03e173f67f6505a76f6e00cf93440200dd9be $commit_sha10
+851e1638784a884c7dd26c5d41f3340f6387413a $commit_sha8
+99fc34adfc400b95c67b013115e37e31aa9a6d23 $commit_sha5
+e2bfd06a37dd2031684a59a6e2b033e212239c78 $commit_sha4
+5772f42408c0dd6f097a7ca2d24de0e78d1c46b1 $commit_sha3
+283b48219aee9a4105f6cab337e789065c82c2b9 $commit_sha2
+EOF
+
+cat >expect_log_theirs <<EOF
+$commit_sha15 15th
+z notes on 15th commit
+
+$commit_sha14 14th
+y notes on 14th commit
+
+$commit_sha13 13th
+y notes on 13th commit
+
+$commit_sha12 12th
+
+$commit_sha11 11th
+z notes on 11th commit
+
+$commit_sha10 10th
+x notes on 10th commit
+
+$commit_sha9 9th
+
+$commit_sha8 8th
+z notes on 8th commit
+
+$commit_sha7 7th
+
+$commit_sha6 6th
+
+$commit_sha5 5th
+z notes on 5th commit
+
+$commit_sha4 4th
+y notes on 4th commit
+
+$commit_sha3 3rd
+y notes on 3rd commit
+
+$commit_sha2 2nd
+z notes on 2nd commit
+
+$commit_sha1 1st
+
+EOF
+
+test_expect_success 'merge z into y with "theirs" strategy => Non-conflicting 3-way merge' '
+ git notes merge --strategy=theirs z &&
+ verify_notes y theirs
+'
+
+test_expect_success 'reset to pre-merge state (y)' '
+ git update-ref refs/notes/y refs/notes/y^1 &&
+ # Verify pre-merge state
+ verify_notes y y
+'
+
+cat <<EOF | sort >expect_notes_union
+7c4e546efd0fe939f876beb262ece02797880b54 $commit_sha15
+5de7ea7ad4f47e7ff91989fb82234634730f75df $commit_sha14
+3a631fdb6f41b05b55d8f4baf20728ba8f6fccbc $commit_sha13
+a66055fa82f7a03fe0c02a6aba3287a85abf7c62 $commit_sha12
+7e3c53503a3db8dd996cb62e37c66e070b44b54d $commit_sha11
+b8d03e173f67f6505a76f6e00cf93440200dd9be $commit_sha10
+851e1638784a884c7dd26c5d41f3340f6387413a $commit_sha8
+6c841cc36ea496027290967ca96bd2bef54dbb47 $commit_sha5
+e2bfd06a37dd2031684a59a6e2b033e212239c78 $commit_sha4
+5772f42408c0dd6f097a7ca2d24de0e78d1c46b1 $commit_sha3
+283b48219aee9a4105f6cab337e789065c82c2b9 $commit_sha2
+EOF
+
+cat >expect_log_union <<EOF
+$commit_sha15 15th
+y notes on 15th commit
+
+z notes on 15th commit
+
+$commit_sha14 14th
+y notes on 14th commit
+
+$commit_sha13 13th
+y notes on 13th commit
+
+$commit_sha12 12th
+y notes on 12th commit
+
+$commit_sha11 11th
+z notes on 11th commit
+
+$commit_sha10 10th
+x notes on 10th commit
+
+$commit_sha9 9th
+
+$commit_sha8 8th
+z notes on 8th commit
+
+$commit_sha7 7th
+
+$commit_sha6 6th
+
+$commit_sha5 5th
+y notes on 5th commit
+
+z notes on 5th commit
+
+$commit_sha4 4th
+y notes on 4th commit
+
+$commit_sha3 3rd
+y notes on 3rd commit
+
+$commit_sha2 2nd
+z notes on 2nd commit
+
+$commit_sha1 1st
+
+EOF
+
+test_expect_success 'merge z into y with "union" strategy => Non-conflicting 3-way merge' '
+ git notes merge --strategy=union z &&
+ verify_notes y union
+'
+
+test_expect_success 'reset to pre-merge state (y)' '
+ git update-ref refs/notes/y refs/notes/y^1 &&
+ # Verify pre-merge state
+ verify_notes y y
+'
+
+cat <<EOF | sort >expect_notes_union2
+d682107b8bf7a7aea1e537a8d5cb6a12b60135f1 $commit_sha15
+5de7ea7ad4f47e7ff91989fb82234634730f75df $commit_sha14
+3a631fdb6f41b05b55d8f4baf20728ba8f6fccbc $commit_sha13
+a66055fa82f7a03fe0c02a6aba3287a85abf7c62 $commit_sha12
+7e3c53503a3db8dd996cb62e37c66e070b44b54d $commit_sha11
+b8d03e173f67f6505a76f6e00cf93440200dd9be $commit_sha10
+851e1638784a884c7dd26c5d41f3340f6387413a $commit_sha8
+357b6ca14c7afd59b7f8b8aaaa6b8b723771135b $commit_sha5
+e2bfd06a37dd2031684a59a6e2b033e212239c78 $commit_sha4
+5772f42408c0dd6f097a7ca2d24de0e78d1c46b1 $commit_sha3
+283b48219aee9a4105f6cab337e789065c82c2b9 $commit_sha2
+EOF
+
+cat >expect_log_union2 <<EOF
+$commit_sha15 15th
+z notes on 15th commit
+
+y notes on 15th commit
+
+$commit_sha14 14th
+y notes on 14th commit
+
+$commit_sha13 13th
+y notes on 13th commit
+
+$commit_sha12 12th
+y notes on 12th commit
+
+$commit_sha11 11th
+z notes on 11th commit
+
+$commit_sha10 10th
+x notes on 10th commit
+
+$commit_sha9 9th
+
+$commit_sha8 8th
+z notes on 8th commit
+
+$commit_sha7 7th
+
+$commit_sha6 6th
+
+$commit_sha5 5th
+z notes on 5th commit
+
+y notes on 5th commit
+
+$commit_sha4 4th
+y notes on 4th commit
+
+$commit_sha3 3rd
+y notes on 3rd commit
+
+$commit_sha2 2nd
+z notes on 2nd commit
+
+$commit_sha1 1st
+
+EOF
+
+test_expect_success 'merge y into z with "union" strategy => Non-conflicting 3-way merge' '
+ git config core.notesRef refs/notes/z &&
+ git notes merge --strategy=union y &&
+ verify_notes z union2
+'
+
+test_expect_success 'reset to pre-merge state (z)' '
+ git update-ref refs/notes/z refs/notes/z^1 &&
+ # Verify pre-merge state
+ verify_notes z z
+'
+
+cat <<EOF | sort >expect_notes_cat_sort_uniq
+6be90240b5f54594203e25d9f2f64b7567175aee $commit_sha15
+5de7ea7ad4f47e7ff91989fb82234634730f75df $commit_sha14
+3a631fdb6f41b05b55d8f4baf20728ba8f6fccbc $commit_sha13
+a66055fa82f7a03fe0c02a6aba3287a85abf7c62 $commit_sha12
+7e3c53503a3db8dd996cb62e37c66e070b44b54d $commit_sha11
+b8d03e173f67f6505a76f6e00cf93440200dd9be $commit_sha10
+851e1638784a884c7dd26c5d41f3340f6387413a $commit_sha8
+660311d7f78dc53db12ac373a43fca7465381a7e $commit_sha5
+e2bfd06a37dd2031684a59a6e2b033e212239c78 $commit_sha4
+5772f42408c0dd6f097a7ca2d24de0e78d1c46b1 $commit_sha3
+283b48219aee9a4105f6cab337e789065c82c2b9 $commit_sha2
+EOF
+
+cat >expect_log_cat_sort_uniq <<EOF
+$commit_sha15 15th
+y notes on 15th commit
+z notes on 15th commit
+
+$commit_sha14 14th
+y notes on 14th commit
+
+$commit_sha13 13th
+y notes on 13th commit
+
+$commit_sha12 12th
+y notes on 12th commit
+
+$commit_sha11 11th
+z notes on 11th commit
+
+$commit_sha10 10th
+x notes on 10th commit
+
+$commit_sha9 9th
+
+$commit_sha8 8th
+z notes on 8th commit
+
+$commit_sha7 7th
+
+$commit_sha6 6th
+
+$commit_sha5 5th
+y notes on 5th commit
+z notes on 5th commit
+
+$commit_sha4 4th
+y notes on 4th commit
+
+$commit_sha3 3rd
+y notes on 3rd commit
+
+$commit_sha2 2nd
+z notes on 2nd commit
+
+$commit_sha1 1st
+
+EOF
+
+test_expect_success 'merge y into z with "cat_sort_uniq" strategy => Non-conflicting 3-way merge' '
+ git notes merge --strategy=cat_sort_uniq y &&
+ verify_notes z cat_sort_uniq
+'
+
+test_done
diff --git a/t/t3310-notes-merge-manual-resolve.sh b/t/t3310-notes-merge-manual-resolve.sh
new file mode 100755
index 0000000000..4ec4d11450
--- /dev/null
+++ b/t/t3310-notes-merge-manual-resolve.sh
@@ -0,0 +1,556 @@
+#!/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_must_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)" = "$(cat pre_merge_y)"
+'
+
+test_expect_success 'abort notes merge' '
+ git notes merge --abort &&
+ # No .git/NOTES_MERGE_* files left
+ test_must_fail ls .git/NOTES_MERGE_* >output 2>/dev/null &&
+ test_cmp /dev/null output &&
+ # m has not moved (still == y)
+ test "$(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_must_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 "$(git rev-parse NOTES_MERGE_PARTIAL^1)" output &&
+ # Verify that other notes refs has not changed (w, x, y and z)
+ verify_notes w &&
+ verify_notes x &&
+ verify_notes y &&
+ verify_notes z
+'
+
+test_expect_success 'resolve situation by aborting the notes merge' '
+ git notes merge --abort &&
+ # No .git/NOTES_MERGE_* files left
+ test_must_fail ls .git/NOTES_MERGE_* >output 2>/dev/null &&
+ test_cmp /dev/null output &&
+ # m has not moved (still == w)
+ test "$(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
+'
+
+test_done
diff --git a/t/t3311-notes-merge-fanout.sh b/t/t3311-notes-merge-fanout.sh
new file mode 100755
index 0000000000..93516ef67c
--- /dev/null
+++ b/t/t3311-notes-merge-fanout.sh
@@ -0,0 +1,436 @@
+#!/bin/sh
+#
+# Copyright (c) 2010 Johan Herland
+#
+
+test_description='Test notes merging at various fanout levels'
+
+. ./test-lib.sh
+
+verify_notes () {
+ notes_ref="$1"
+ commit="$2"
+ if test -f "expect_notes_$notes_ref"
+ then
+ git -c core.notesRef="refs/notes/$notes_ref" notes |
+ sort >"output_notes_$notes_ref" &&
+ test_cmp "expect_notes_$notes_ref" "output_notes_$notes_ref" ||
+ return 1
+ fi &&
+ git -c core.notesRef="refs/notes/$notes_ref" log --format="%H %s%n%N" \
+ "$commit" >"output_log_$notes_ref" &&
+ test_cmp "expect_log_$notes_ref" "output_log_$notes_ref"
+}
+
+verify_fanout () {
+ notes_ref="$1"
+ # Expect entire notes tree to have a fanout == 1
+ git rev-parse --quiet --verify "refs/notes/$notes_ref" >/dev/null &&
+ git ls-tree -r --name-only "refs/notes/$notes_ref" |
+ while read path
+ do
+ case "$path" in
+ ??/??????????????????????????????????????)
+ : true
+ ;;
+ *)
+ echo "Invalid path \"$path\"" &&
+ return 1
+ ;;
+ esac
+ done
+}
+
+verify_no_fanout () {
+ notes_ref="$1"
+ # Expect entire notes tree to have a fanout == 0
+ git rev-parse --quiet --verify "refs/notes/$notes_ref" >/dev/null &&
+ git ls-tree -r --name-only "refs/notes/$notes_ref" |
+ while read path
+ do
+ case "$path" in
+ ????????????????????????????????????????)
+ : true
+ ;;
+ *)
+ echo "Invalid path \"$path\"" &&
+ return 1
+ ;;
+ esac
+ done
+}
+
+# Set up a notes merge scenario with different kinds of conflicts
+test_expect_success 'setup a few initial commits with notes (notes ref: x)' '
+ git config core.notesRef refs/notes/x &&
+ for i in 1 2 3 4 5
+ do
+ test_commit "commit$i" >/dev/null &&
+ git notes add -m "notes for commit$i" || return 1
+ done
+'
+
+commit_sha1=$(git rev-parse commit1^{commit})
+commit_sha2=$(git rev-parse commit2^{commit})
+commit_sha3=$(git rev-parse commit3^{commit})
+commit_sha4=$(git rev-parse commit4^{commit})
+commit_sha5=$(git rev-parse commit5^{commit})
+
+cat <<EOF | sort >expect_notes_x
+aed91155c7a72c2188e781fdf40e0f3761b299db $commit_sha5
+99fab268f9d7ee7b011e091a436c78def8eeee69 $commit_sha4
+953c20ae26c7aa0b428c20693fe38bc687f9d1a9 $commit_sha3
+6358796131b8916eaa2dde6902642942a1cb37e1 $commit_sha2
+b02d459c32f0e68f2fe0981033bb34f38776ba47 $commit_sha1
+EOF
+
+cat >expect_log_x <<EOF
+$commit_sha5 commit5
+notes for commit5
+
+$commit_sha4 commit4
+notes for commit4
+
+$commit_sha3 commit3
+notes for commit3
+
+$commit_sha2 commit2
+notes for commit2
+
+$commit_sha1 commit1
+notes for commit1
+
+EOF
+
+test_expect_success 'sanity check (x)' '
+ verify_notes x commit5 &&
+ verify_no_fanout x
+'
+
+num=300
+
+cp expect_log_x expect_log_y
+
+test_expect_success 'Add a few hundred commits w/notes to trigger fanout (x -> y)' '
+ git update-ref refs/notes/y refs/notes/x &&
+ git config core.notesRef refs/notes/y &&
+ i=5 &&
+ while test $i -lt $num
+ do
+ i=$(($i + 1)) &&
+ test_commit "commit$i" >/dev/null &&
+ git notes add -m "notes for commit$i" || return 1
+ done &&
+ test "$(git rev-parse refs/notes/y)" != "$(git rev-parse refs/notes/x)" &&
+ # Expected number of commits and notes
+ test $(git rev-list HEAD | wc -l) = $num &&
+ test $(git notes list | wc -l) = $num &&
+ # 5 first notes unchanged
+ verify_notes y commit5
+'
+
+test_expect_success 'notes tree has fanout (y)' 'verify_fanout y'
+
+test_expect_success 'No-op merge (already included) (x => y)' '
+ git update-ref refs/notes/m refs/notes/y &&
+ git config core.notesRef refs/notes/m &&
+ git notes merge x &&
+ test "$(git rev-parse refs/notes/m)" = "$(git rev-parse refs/notes/y)"
+'
+
+test_expect_success 'Fast-forward merge (y => x)' '
+ git update-ref refs/notes/m refs/notes/x &&
+ git notes merge y &&
+ test "$(git rev-parse refs/notes/m)" = "$(git rev-parse refs/notes/y)"
+'
+
+cat <<EOF | sort >expect_notes_z
+9f506ee70e20379d7f78204c77b334f43d77410d $commit_sha3
+23a47d6ea7d589895faf800752054818e1e7627b $commit_sha2
+b02d459c32f0e68f2fe0981033bb34f38776ba47 $commit_sha1
+EOF
+
+cat >expect_log_z <<EOF
+$commit_sha5 commit5
+
+$commit_sha4 commit4
+
+$commit_sha3 commit3
+notes for commit3
+
+appended notes for commit3
+
+$commit_sha2 commit2
+new notes for commit2
+
+$commit_sha1 commit1
+notes for commit1
+
+EOF
+
+test_expect_success 'change some of the initial 5 notes (x -> z)' '
+ git update-ref refs/notes/z refs/notes/x &&
+ git config core.notesRef refs/notes/z &&
+ git notes add -f -m "new notes for commit2" commit2 &&
+ git notes append -m "appended notes for commit3" commit3 &&
+ git notes remove commit4 &&
+ git notes remove commit5 &&
+ verify_notes z commit5
+'
+
+test_expect_success 'notes tree has no fanout (z)' 'verify_no_fanout z'
+
+cp expect_log_z expect_log_m
+
+test_expect_success 'successful merge without conflicts (y => z)' '
+ git update-ref refs/notes/m refs/notes/z &&
+ git config core.notesRef refs/notes/m &&
+ git notes merge y &&
+ verify_notes m commit5 &&
+ # x/y/z unchanged
+ verify_notes x commit5 &&
+ verify_notes y commit5 &&
+ verify_notes z commit5
+'
+
+test_expect_success 'notes tree still has fanout after merge (m)' 'verify_fanout m'
+
+cat >expect_log_w <<EOF
+$commit_sha5 commit5
+
+$commit_sha4 commit4
+other notes for commit4
+
+$commit_sha3 commit3
+other notes for commit3
+
+$commit_sha2 commit2
+notes for commit2
+
+$commit_sha1 commit1
+other notes for commit1
+
+EOF
+
+test_expect_success 'introduce conflicting changes (y -> w)' '
+ git update-ref refs/notes/w refs/notes/y &&
+ git config core.notesRef refs/notes/w &&
+ git notes add -f -m "other notes for commit1" commit1 &&
+ git notes add -f -m "other notes for commit3" commit3 &&
+ git notes add -f -m "other notes for commit4" commit4 &&
+ git notes remove commit5 &&
+ verify_notes w commit5
+'
+
+cat >expect_log_m <<EOF
+$commit_sha5 commit5
+
+$commit_sha4 commit4
+other notes for commit4
+
+$commit_sha3 commit3
+other notes for commit3
+
+$commit_sha2 commit2
+new notes for commit2
+
+$commit_sha1 commit1
+other notes for commit1
+
+EOF
+
+test_expect_success 'successful merge using "ours" strategy (z => w)' '
+ git update-ref refs/notes/m refs/notes/w &&
+ git config core.notesRef refs/notes/m &&
+ git notes merge -s ours z &&
+ verify_notes m commit5 &&
+ # w/x/y/z unchanged
+ verify_notes w commit5 &&
+ verify_notes x commit5 &&
+ verify_notes y commit5 &&
+ verify_notes z commit5
+'
+
+test_expect_success 'notes tree still has fanout after merge (m)' 'verify_fanout m'
+
+cat >expect_log_m <<EOF
+$commit_sha5 commit5
+
+$commit_sha4 commit4
+
+$commit_sha3 commit3
+notes for commit3
+
+appended notes for commit3
+
+$commit_sha2 commit2
+new notes for commit2
+
+$commit_sha1 commit1
+other notes for commit1
+
+EOF
+
+test_expect_success 'successful merge using "theirs" strategy (z => w)' '
+ git update-ref refs/notes/m refs/notes/w &&
+ git notes merge -s theirs z &&
+ verify_notes m commit5 &&
+ # w/x/y/z unchanged
+ verify_notes w commit5 &&
+ verify_notes x commit5 &&
+ verify_notes y commit5 &&
+ verify_notes z commit5
+'
+
+test_expect_success 'notes tree still has fanout after merge (m)' 'verify_fanout m'
+
+cat >expect_log_m <<EOF
+$commit_sha5 commit5
+
+$commit_sha4 commit4
+other notes for commit4
+
+$commit_sha3 commit3
+other notes for commit3
+
+notes for commit3
+
+appended notes for commit3
+
+$commit_sha2 commit2
+new notes for commit2
+
+$commit_sha1 commit1
+other notes for commit1
+
+EOF
+
+test_expect_success 'successful merge using "union" strategy (z => w)' '
+ git update-ref refs/notes/m refs/notes/w &&
+ git notes merge -s union z &&
+ verify_notes m commit5 &&
+ # w/x/y/z unchanged
+ verify_notes w commit5 &&
+ verify_notes x commit5 &&
+ verify_notes y commit5 &&
+ verify_notes z commit5
+'
+
+test_expect_success 'notes tree still has fanout after merge (m)' 'verify_fanout m'
+
+cat >expect_log_m <<EOF
+$commit_sha5 commit5
+
+$commit_sha4 commit4
+other notes for commit4
+
+$commit_sha3 commit3
+appended notes for commit3
+notes for commit3
+other notes for commit3
+
+$commit_sha2 commit2
+new notes for commit2
+
+$commit_sha1 commit1
+other notes for commit1
+
+EOF
+
+test_expect_success 'successful merge using "cat_sort_uniq" strategy (z => w)' '
+ git update-ref refs/notes/m refs/notes/w &&
+ git notes merge -s cat_sort_uniq z &&
+ verify_notes m commit5 &&
+ # w/x/y/z unchanged
+ verify_notes w commit5 &&
+ verify_notes x commit5 &&
+ verify_notes y commit5 &&
+ verify_notes z commit5
+'
+
+test_expect_success 'notes tree still has fanout after merge (m)' 'verify_fanout m'
+
+# We're merging z into w. Here are the conflicts we expect:
+#
+# commit | x -> w | x -> z | conflict?
+# -------|-----------|-----------|----------
+# 1 | changed | unchanged | no, use w
+# 2 | unchanged | changed | no, use z
+# 3 | changed | changed | yes (w, then z in conflict markers)
+# 4 | changed | deleted | yes (w)
+# 5 | deleted | deleted | no, deleted
+
+test_expect_success 'fails to merge using "manual" strategy (z => w)' '
+ git update-ref refs/notes/m refs/notes/w &&
+ test_must_fail git notes merge z
+'
+
+test_expect_success 'notes tree still has fanout after merge (m)' 'verify_fanout m'
+
+cat <<EOF | sort >expect_conflicts
+$commit_sha3
+$commit_sha4
+EOF
+
+cat >expect_conflict_$commit_sha3 <<EOF
+<<<<<<< refs/notes/m
+other notes for commit3
+=======
+notes for commit3
+
+appended notes for commit3
+>>>>>>> refs/notes/z
+EOF
+
+cat >expect_conflict_$commit_sha4 <<EOF
+other notes for commit4
+EOF
+
+test_expect_success 'verify conflict entries (with no fanout)' '
+ 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/$f" ||
+ exit 1
+ done ) &&
+ # Verify that current notes tree (pre-merge) has not changed (m == w)
+ test "$(git rev-parse refs/notes/m)" = "$(git rev-parse refs/notes/w)"
+'
+
+cat >expect_log_m <<EOF
+$commit_sha5 commit5
+
+$commit_sha4 commit4
+other notes for commit4
+
+$commit_sha3 commit3
+other notes for commit3
+
+appended notes for commit3
+
+$commit_sha2 commit2
+new notes for commit2
+
+$commit_sha1 commit1
+other notes for commit1
+
+EOF
+
+test_expect_success 'resolve and finalize merge (z => w)' '
+ cat >.git/NOTES_MERGE_WORKTREE/$commit_sha3 <<EOF &&
+other notes for commit3
+
+appended notes for commit3
+EOF
+ git notes merge --commit &&
+ verify_notes m commit5 &&
+ # w/x/y/z unchanged
+ verify_notes w commit5 &&
+ verify_notes x commit5 &&
+ verify_notes y commit5 &&
+ verify_notes z commit5
+'
+
+test_expect_success 'notes tree still has fanout after merge (m)' 'verify_fanout m'
+
+test_done
diff --git a/t/t3404-rebase-interactive.sh b/t/t3404-rebase-interactive.sh
index 5cb7e70d54..d3a3bd2679 100755
--- a/t/t3404-rebase-interactive.sh
+++ b/t/t3404-rebase-interactive.sh
@@ -647,6 +647,7 @@ test_expect_success 'rebase -i can copy notes' '
cat >expect <<EOF
an earlier note
+
a note
EOF
diff --git a/t/t7609-merge-abort.sh b/t/t7609-merge-abort.sh
new file mode 100755
index 0000000000..61890bc892
--- /dev/null
+++ b/t/t7609-merge-abort.sh
@@ -0,0 +1,313 @@
+#!/bin/sh
+
+test_description='test aborting in-progress merges
+
+Set up repo with conflicting and non-conflicting branches:
+
+There are three files foo/bar/baz, and the following graph illustrates the
+content of these files in each commit:
+
+# foo/bar/baz --- foo/bar/bazz <-- master
+# \
+# --- foo/barf/bazf <-- conflict_branch
+# \
+# --- foo/bart/baz <-- clean_branch
+
+Next, test git merge --abort with the following variables:
+- before/after successful merge (should fail when not in merge context)
+- with/without conflicts
+- clean/dirty index before merge
+- clean/dirty worktree before merge
+- dirty index before merge matches contents on remote branch
+- changed/unchanged worktree after merge
+- changed/unchanged index after merge
+'
+. ./test-lib.sh
+
+test_expect_success 'setup' '
+ # Create the above repo
+ echo foo > foo &&
+ echo bar > bar &&
+ echo baz > baz &&
+ git add foo bar baz &&
+ git commit -m initial &&
+ echo bazz > baz &&
+ git commit -a -m "second" &&
+ git checkout -b conflict_branch HEAD^ &&
+ echo barf > bar &&
+ echo bazf > baz &&
+ git commit -a -m "conflict" &&
+ git checkout -b clean_branch HEAD^ &&
+ echo bart > bar &&
+ git commit -a -m "clean" &&
+ git checkout master
+'
+
+pre_merge_head="$(git rev-parse HEAD)"
+
+test_expect_success 'fails without MERGE_HEAD (unstarted merge)' '
+ test_must_fail git merge --abort 2>output &&
+ grep -q MERGE_HEAD output &&
+ test ! -f .git/MERGE_HEAD &&
+ test "$pre_merge_head" = "$(git rev-parse HEAD)"
+'
+
+test_expect_success 'fails without MERGE_HEAD (completed merge)' '
+ git merge clean_branch &&
+ test ! -f .git/MERGE_HEAD &&
+ # Merge successfully completed
+ post_merge_head="$(git rev-parse HEAD)" &&
+ test_must_fail git merge --abort 2>output &&
+ grep -q MERGE_HEAD output &&
+ test ! -f .git/MERGE_HEAD &&
+ test "$post_merge_head" = "$(git rev-parse HEAD)"
+'
+
+test_expect_success 'Forget previous merge' '
+ git reset --hard "$pre_merge_head"
+'
+
+test_expect_success 'Abort after --no-commit' '
+ # Redo merge, but stop before creating merge commit
+ git merge --no-commit clean_branch &&
+ test -f .git/MERGE_HEAD &&
+ # Abort non-conflicting merge
+ git merge --abort &&
+ test ! -f .git/MERGE_HEAD &&
+ test "$pre_merge_head" = "$(git rev-parse HEAD)" &&
+ test -z "$(git diff)" &&
+ test -z "$(git diff --staged)"
+'
+
+test_expect_success 'Abort after conflicts' '
+ # Create conflicting merge
+ test_must_fail git merge conflict_branch &&
+ test -f .git/MERGE_HEAD &&
+ # Abort conflicting merge
+ git merge --abort &&
+ test ! -f .git/MERGE_HEAD &&
+ test "$pre_merge_head" = "$(git rev-parse HEAD)" &&
+ test -z "$(git diff)" &&
+ test -z "$(git diff --staged)"
+'
+
+test_expect_success 'Clean merge with dirty index fails' '
+ echo xyzzy >> foo &&
+ git add foo &&
+ git diff --staged > expect &&
+ test_must_fail git merge clean_branch &&
+ test ! -f .git/MERGE_HEAD &&
+ test "$pre_merge_head" = "$(git rev-parse HEAD)" &&
+ test -z "$(git diff)" &&
+ git diff --staged > actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'Conflicting merge with dirty index fails' '
+ test_must_fail git merge conflict_branch &&
+ test ! -f .git/MERGE_HEAD &&
+ test "$pre_merge_head" = "$(git rev-parse HEAD)" &&
+ test -z "$(git diff)" &&
+ git diff --staged > actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'Reset index (but preserve worktree changes)' '
+ git reset "$pre_merge_head" &&
+ git diff > actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'Abort clean merge with non-conflicting dirty worktree' '
+ git merge --no-commit clean_branch &&
+ test -f .git/MERGE_HEAD &&
+ # Abort merge
+ git merge --abort &&
+ test ! -f .git/MERGE_HEAD &&
+ test "$pre_merge_head" = "$(git rev-parse HEAD)" &&
+ test -z "$(git diff --staged)" &&
+ git diff > actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'Abort conflicting merge with non-conflicting dirty worktree' '
+ test_must_fail git merge conflict_branch &&
+ test -f .git/MERGE_HEAD &&
+ # Abort merge
+ git merge --abort &&
+ test ! -f .git/MERGE_HEAD &&
+ test "$pre_merge_head" = "$(git rev-parse HEAD)" &&
+ test -z "$(git diff --staged)" &&
+ git diff > actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'Reset worktree changes' '
+ git reset --hard "$pre_merge_head"
+'
+
+test_expect_success 'Fail clean merge with conflicting dirty worktree' '
+ echo xyzzy >> bar &&
+ git diff > expect &&
+ test_must_fail git merge --no-commit clean_branch &&
+ test ! -f .git/MERGE_HEAD &&
+ test "$pre_merge_head" = "$(git rev-parse HEAD)" &&
+ test -z "$(git diff --staged)" &&
+ git diff > actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'Fail conflicting merge with conflicting dirty worktree' '
+ test_must_fail git merge conflict_branch &&
+ test ! -f .git/MERGE_HEAD &&
+ test "$pre_merge_head" = "$(git rev-parse HEAD)" &&
+ test -z "$(git diff --staged)" &&
+ git diff > actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'Reset worktree changes' '
+ git reset --hard "$pre_merge_head"
+'
+
+test_expect_success 'Fail clean merge with matching dirty worktree' '
+ echo bart > bar &&
+ git diff > expect &&
+ test_must_fail git merge --no-commit clean_branch &&
+ test ! -f .git/MERGE_HEAD &&
+ test "$pre_merge_head" = "$(git rev-parse HEAD)" &&
+ test -z "$(git diff --staged)" &&
+ git diff > actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'Abort clean merge with matching dirty index' '
+ git add bar &&
+ git diff --staged > expect &&
+ git merge --no-commit clean_branch &&
+ test -f .git/MERGE_HEAD &&
+ ### When aborting the merge, git will discard all staged changes,
+ ### including those that were staged pre-merge. In other words,
+ ### --abort will LOSE any staged changes (the staged changes that
+ ### are lost must match the merge result, or the merge would not
+ ### have been allowed to start). Change expectations accordingly:
+ rm expect &&
+ touch expect &&
+ # Abort merge
+ git merge --abort &&
+ test ! -f .git/MERGE_HEAD &&
+ test "$pre_merge_head" = "$(git rev-parse HEAD)" &&
+ git diff --staged > actual &&
+ test_cmp expect actual &&
+ test -z "$(git diff)"
+'
+
+test_expect_success 'Reset worktree changes' '
+ git reset --hard "$pre_merge_head"
+'
+
+test_expect_success 'Fail conflicting merge with matching dirty worktree' '
+ echo barf > bar &&
+ git diff > expect &&
+ test_must_fail git merge conflict_branch &&
+ test ! -f .git/MERGE_HEAD &&
+ test "$pre_merge_head" = "$(git rev-parse HEAD)" &&
+ test -z "$(git diff --staged)" &&
+ git diff > actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'Abort conflicting merge with matching dirty index' '
+ git add bar &&
+ git diff --staged > expect &&
+ test_must_fail git merge conflict_branch &&
+ test -f .git/MERGE_HEAD &&
+ ### When aborting the merge, git will discard all staged changes,
+ ### including those that were staged pre-merge. In other words,
+ ### --abort will LOSE any staged changes (the staged changes that
+ ### are lost must match the merge result, or the merge would not
+ ### have been allowed to start). Change expectations accordingly:
+ rm expect &&
+ touch expect &&
+ # Abort merge
+ git merge --abort &&
+ test ! -f .git/MERGE_HEAD &&
+ test "$pre_merge_head" = "$(git rev-parse HEAD)" &&
+ git diff --staged > actual &&
+ test_cmp expect actual &&
+ test -z "$(git diff)"
+'
+
+test_expect_success 'Reset worktree changes' '
+ git reset --hard "$pre_merge_head"
+'
+
+test_expect_success 'Abort merge with pre- and post-merge worktree changes' '
+ # Pre-merge worktree changes
+ echo xyzzy > foo &&
+ echo barf > bar &&
+ git add bar &&
+ git diff > expect &&
+ git diff --staged > expect-staged &&
+ # Perform merge
+ test_must_fail git merge conflict_branch &&
+ test -f .git/MERGE_HEAD &&
+ # Post-merge worktree changes
+ echo yzxxz > foo &&
+ echo blech > baz &&
+ ### When aborting the merge, git will discard staged changes (bar)
+ ### and unmerged changes (baz). Other changes that are neither
+ ### staged nor marked as unmerged (foo), will be preserved. For
+ ### these changed, git cannot tell pre-merge changes apart from
+ ### post-merge changes, so the post-merge changes will be
+ ### preserved. Change expectations accordingly:
+ git diff -- foo > expect &&
+ rm expect-staged &&
+ touch expect-staged &&
+ # Abort merge
+ git merge --abort &&
+ test ! -f .git/MERGE_HEAD &&
+ test "$pre_merge_head" = "$(git rev-parse HEAD)" &&
+ git diff > actual &&
+ test_cmp expect actual &&
+ git diff --staged > actual-staged &&
+ test_cmp expect-staged actual-staged
+'
+
+test_expect_success 'Reset worktree changes' '
+ git reset --hard "$pre_merge_head"
+'
+
+test_expect_success 'Abort merge with pre- and post-merge index changes' '
+ # Pre-merge worktree changes
+ echo xyzzy > foo &&
+ echo barf > bar &&
+ git add bar &&
+ git diff > expect &&
+ git diff --staged > expect-staged &&
+ # Perform merge
+ test_must_fail git merge conflict_branch &&
+ test -f .git/MERGE_HEAD &&
+ # Post-merge worktree changes
+ echo yzxxz > foo &&
+ echo blech > baz &&
+ git add foo bar &&
+ ### When aborting the merge, git will discard all staged changes
+ ### (foo, bar and baz), and no changes will be preserved. Whether
+ ### the changes were staged pre- or post-merge does not matter
+ ### (except for not preventing starting the merge).
+ ### Change expectations accordingly:
+ rm expect expect-staged &&
+ touch expect &&
+ touch expect-staged &&
+ # Abort merge
+ git merge --abort &&
+ test ! -f .git/MERGE_HEAD &&
+ test "$pre_merge_head" = "$(git rev-parse HEAD)" &&
+ git diff > actual &&
+ test_cmp expect actual &&
+ git diff --staged > actual-staged &&
+ test_cmp expect-staged actual-staged
+'
+
+test_done
diff --git a/t/t9301-fast-import-notes.sh b/t/t9301-fast-import-notes.sh
index a5c99d8507..7cf8cd8a2f 100755
--- a/t/t9301-fast-import-notes.sh
+++ b/t/t9301-fast-import-notes.sh
@@ -255,13 +255,18 @@ EOF
INPUT_END
+whitespace=" "
+
cat >expect <<EXPECT_END
fourth commit
pre-prefix of note for fourth commit
+$whitespace
prefix of note for fourth commit
+$whitespace
third note for fourth commit
third commit
prefix of note for third commit
+$whitespace
third note for third commit
second commit
third note for second commit