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75ef3f4a5c
This initial implementation of 'git notes merge' only handles the trivial merge cases (i.e. where the merge is either a no-op, or a fast-forward). The patch includes testcases for these trivial merge cases. Future patches will extend the functionality of 'git notes merge'. This patch has been improved by the following contributions: - Stephen Boyd: Simplify argc logic - Stephen Boyd: Use test_commit - Ævar Arnfjörð Bjarmason: Don't use C99 comments. - Jonathan Nieder: Add constants for common verbosity values - Jonathan Nieder: Use trace_printf(...) instead of OUTPUT(o, 5, ...) - Jonathan Nieder: Remove extraneous show() function - Jonathan Nieder: Clarify handling of empty/missing notes ref in notes_merge() - Junio C Hamano: fixup minor style issues Thanks-to: Stephen Boyd <bebarino@gmail.com> Thanks-to: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Thanks-to: Jonathan Nieder <jrnieder@gmail.com> Thanks-to: Junio C Hamano <gitster@pobox.com> Signed-off-by: Johan Herland <johan@herland.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
181 lines
5.0 KiB
Bash
Executable File
181 lines
5.0 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2010 Johan Herland
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#
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test_description='Test merging of notes trees'
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. ./test-lib.sh
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test_expect_success setup '
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test_commit 1st &&
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test_commit 2nd &&
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test_commit 3rd &&
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test_commit 4th &&
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test_commit 5th &&
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# Create notes on 4 first commits
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git config core.notesRef refs/notes/x &&
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git notes add -m "Notes on 1st commit" 1st &&
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git notes add -m "Notes on 2nd commit" 2nd &&
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git notes add -m "Notes on 3rd commit" 3rd &&
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git notes add -m "Notes on 4th commit" 4th
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'
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commit_sha1=$(git rev-parse 1st^{commit})
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commit_sha2=$(git rev-parse 2nd^{commit})
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commit_sha3=$(git rev-parse 3rd^{commit})
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commit_sha4=$(git rev-parse 4th^{commit})
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commit_sha5=$(git rev-parse 5th^{commit})
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verify_notes () {
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notes_ref="$1"
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git -c core.notesRef="refs/notes/$notes_ref" notes |
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sort >"output_notes_$notes_ref" &&
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test_cmp "expect_notes_$notes_ref" "output_notes_$notes_ref" &&
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git -c core.notesRef="refs/notes/$notes_ref" log --format="%H %s%n%N" \
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>"output_log_$notes_ref" &&
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test_cmp "expect_log_$notes_ref" "output_log_$notes_ref"
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}
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cat <<EOF | sort >expect_notes_x
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5e93d24084d32e1cb61f7070505b9d2530cca987 $commit_sha4
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8366731eeee53787d2bdf8fc1eff7d94757e8da0 $commit_sha3
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eede89064cd42441590d6afec6c37b321ada3389 $commit_sha2
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daa55ffad6cb99bf64226532147ffcaf5ce8bdd1 $commit_sha1
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EOF
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cat >expect_log_x <<EOF
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$commit_sha5 5th
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$commit_sha4 4th
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Notes on 4th commit
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$commit_sha3 3rd
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Notes on 3rd commit
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$commit_sha2 2nd
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Notes on 2nd commit
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$commit_sha1 1st
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Notes on 1st commit
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EOF
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test_expect_success 'verify initial notes (x)' '
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verify_notes x
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'
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cp expect_notes_x expect_notes_y
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cp expect_log_x expect_log_y
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test_expect_success 'fail to merge empty notes ref into empty notes ref (z => y)' '
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test_must_fail git -c "core.notesRef=refs/notes/y" notes merge z
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'
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test_expect_success 'fail to merge into various non-notes refs' '
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test_must_fail git -c "core.notesRef=refs/notes" notes merge x &&
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test_must_fail git -c "core.notesRef=refs/notes/" notes merge x &&
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mkdir -p .git/refs/notes/dir &&
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test_must_fail git -c "core.notesRef=refs/notes/dir" notes merge x &&
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test_must_fail git -c "core.notesRef=refs/notes/dir/" notes merge x &&
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test_must_fail git -c "core.notesRef=refs/heads/master" notes merge x &&
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test_must_fail git -c "core.notesRef=refs/notes/y:" notes merge x &&
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test_must_fail git -c "core.notesRef=refs/notes/y:foo" notes merge x &&
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test_must_fail git -c "core.notesRef=refs/notes/foo^{bar" notes merge x
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'
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test_expect_success 'fail to merge various non-note-trees' '
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git config core.notesRef refs/notes/y &&
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test_must_fail git notes merge refs/notes &&
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test_must_fail git notes merge refs/notes/ &&
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test_must_fail git notes merge refs/notes/dir &&
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test_must_fail git notes merge refs/notes/dir/ &&
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test_must_fail git notes merge refs/heads/master &&
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test_must_fail git notes merge x: &&
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test_must_fail git notes merge x:foo &&
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test_must_fail git notes merge foo^{bar
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'
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test_expect_success 'merge notes into empty notes ref (x => y)' '
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git config core.notesRef refs/notes/y &&
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git notes merge x &&
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verify_notes y &&
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# x and y should point to the same notes commit
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test "$(git rev-parse refs/notes/x)" = "$(git rev-parse refs/notes/y)"
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'
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test_expect_success 'merge empty notes ref (z => y)' '
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git notes merge z &&
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# y should not change (still == x)
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test "$(git rev-parse refs/notes/x)" = "$(git rev-parse refs/notes/y)"
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'
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test_expect_success 'change notes on other notes ref (y)' '
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# Not touching notes to 1st commit
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git notes remove 2nd &&
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git notes append -m "More notes on 3rd commit" 3rd &&
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git notes add -f -m "New notes on 4th commit" 4th &&
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git notes add -m "Notes on 5th commit" 5th
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'
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test_expect_success 'merge previous notes commit (y^ => y) => No-op' '
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pre_state="$(git rev-parse refs/notes/y)" &&
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git notes merge y^ &&
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# y should not move
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test "$pre_state" = "$(git rev-parse refs/notes/y)"
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'
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cat <<EOF | sort >expect_notes_y
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0f2efbd00262f2fd41dfae33df8765618eeacd99 $commit_sha5
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dec2502dac3ea161543f71930044deff93fa945c $commit_sha4
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4069cdb399fd45463ec6eef8e051a16a03592d91 $commit_sha3
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daa55ffad6cb99bf64226532147ffcaf5ce8bdd1 $commit_sha1
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EOF
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cat >expect_log_y <<EOF
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$commit_sha5 5th
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Notes on 5th commit
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$commit_sha4 4th
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New notes on 4th commit
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$commit_sha3 3rd
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Notes on 3rd commit
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More notes on 3rd commit
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$commit_sha2 2nd
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$commit_sha1 1st
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Notes on 1st commit
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EOF
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test_expect_success 'verify changed notes on other notes ref (y)' '
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verify_notes y
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'
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test_expect_success 'verify unchanged notes on original notes ref (x)' '
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verify_notes x
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'
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test_expect_success 'merge original notes (x) into changed notes (y) => No-op' '
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git notes merge -vvv x &&
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verify_notes y &&
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verify_notes x
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'
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cp expect_notes_y expect_notes_x
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cp expect_log_y expect_log_x
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test_expect_success 'merge changed (y) into original (x) => Fast-forward' '
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git config core.notesRef refs/notes/x &&
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git notes merge y &&
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verify_notes x &&
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verify_notes y &&
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# x and y should point to same the notes commit
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test "$(git rev-parse refs/notes/x)" = "$(git rev-parse refs/notes/y)"
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'
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test_done
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