| 1 | #!/bin/sh |
| 2 | |
| 3 | test_description='avoid rewriting packed-refs unnecessarily' |
| 4 | |
| 5 | . ./test-lib.sh |
| 6 | |
| 7 | if test_have_prereq !REFFILES |
| 8 | then |
| 9 | skip_all='skipping files-backend specific pack-refs tests' |
| 10 | test_done |
| 11 | fi |
| 12 | |
| 13 | # Add an identifying mark to the packed-refs file header line. This |
| 14 | # shouldn't upset readers, and it should be omitted if the file is |
| 15 | # ever rewritten. |
| 16 | mark_packed_refs () { |
| 17 | sed -e "s/^\(#.*\)/\1 t1409 /" .git/packed-refs >.git/packed-refs.new && |
| 18 | mv .git/packed-refs.new .git/packed-refs |
| 19 | } |
| 20 | |
| 21 | # Verify that the packed-refs file is still marked. |
| 22 | check_packed_refs_marked () { |
| 23 | grep -q '^#.* t1409 ' .git/packed-refs |
| 24 | } |
| 25 | |
| 26 | test_expect_success 'setup' ' |
| 27 | git commit --allow-empty -m "Commit A" && |
| 28 | A=$(git rev-parse HEAD) && |
| 29 | git commit --allow-empty -m "Commit B" && |
| 30 | B=$(git rev-parse HEAD) && |
| 31 | git commit --allow-empty -m "Commit C" && |
| 32 | C=$(git rev-parse HEAD) |
| 33 | ' |
| 34 | |
| 35 | test_expect_success 'do not create packed-refs file gratuitously' ' |
| 36 | test_path_is_missing .git/packed-refs && |
| 37 | git update-ref refs/heads/foo $A && |
| 38 | test_path_is_missing .git/packed-refs && |
| 39 | git update-ref refs/heads/foo $B && |
| 40 | test_path_is_missing .git/packed-refs && |
| 41 | git update-ref refs/heads/foo $C $B && |
| 42 | test_path_is_missing .git/packed-refs && |
| 43 | git update-ref -d refs/heads/foo && |
| 44 | test_path_is_missing .git/packed-refs |
| 45 | ' |
| 46 | |
| 47 | test_expect_success 'check that marking the packed-refs file works' ' |
| 48 | git for-each-ref >expected && |
| 49 | git pack-refs --all && |
| 50 | mark_packed_refs && |
| 51 | check_packed_refs_marked && |
| 52 | git for-each-ref >actual && |
| 53 | test_cmp expected actual && |
| 54 | git pack-refs --all && |
| 55 | ! check_packed_refs_marked && |
| 56 | git for-each-ref >actual2 && |
| 57 | test_cmp expected actual2 |
| 58 | ' |
| 59 | |
| 60 | test_expect_success 'leave packed-refs untouched on update of packed' ' |
| 61 | git update-ref refs/heads/packed-update $A && |
| 62 | git pack-refs --all && |
| 63 | mark_packed_refs && |
| 64 | git update-ref refs/heads/packed-update $B && |
| 65 | check_packed_refs_marked |
| 66 | ' |
| 67 | |
| 68 | test_expect_success 'leave packed-refs untouched on checked update of packed' ' |
| 69 | git update-ref refs/heads/packed-checked-update $A && |
| 70 | git pack-refs --all && |
| 71 | mark_packed_refs && |
| 72 | git update-ref refs/heads/packed-checked-update $B $A && |
| 73 | check_packed_refs_marked |
| 74 | ' |
| 75 | |
| 76 | test_expect_success 'leave packed-refs untouched on verify of packed' ' |
| 77 | git update-ref refs/heads/packed-verify $A && |
| 78 | git pack-refs --all && |
| 79 | mark_packed_refs && |
| 80 | echo "verify refs/heads/packed-verify $A" | git update-ref --stdin && |
| 81 | check_packed_refs_marked |
| 82 | ' |
| 83 | |
| 84 | test_expect_success 'touch packed-refs on delete of packed' ' |
| 85 | git update-ref refs/heads/packed-delete $A && |
| 86 | git pack-refs --all && |
| 87 | mark_packed_refs && |
| 88 | git update-ref -d refs/heads/packed-delete && |
| 89 | ! check_packed_refs_marked |
| 90 | ' |
| 91 | |
| 92 | test_expect_success 'leave packed-refs untouched on update of loose' ' |
| 93 | git pack-refs --all && |
| 94 | git update-ref refs/heads/loose-update $A && |
| 95 | mark_packed_refs && |
| 96 | git update-ref refs/heads/loose-update $B && |
| 97 | check_packed_refs_marked |
| 98 | ' |
| 99 | |
| 100 | test_expect_success 'leave packed-refs untouched on checked update of loose' ' |
| 101 | git pack-refs --all && |
| 102 | git update-ref refs/heads/loose-checked-update $A && |
| 103 | mark_packed_refs && |
| 104 | git update-ref refs/heads/loose-checked-update $B $A && |
| 105 | check_packed_refs_marked |
| 106 | ' |
| 107 | |
| 108 | test_expect_success 'leave packed-refs untouched on verify of loose' ' |
| 109 | git pack-refs --all && |
| 110 | git update-ref refs/heads/loose-verify $A && |
| 111 | mark_packed_refs && |
| 112 | echo "verify refs/heads/loose-verify $A" | git update-ref --stdin && |
| 113 | check_packed_refs_marked |
| 114 | ' |
| 115 | |
| 116 | test_expect_success 'leave packed-refs untouched on delete of loose' ' |
| 117 | git pack-refs --all && |
| 118 | git update-ref refs/heads/loose-delete $A && |
| 119 | mark_packed_refs && |
| 120 | git update-ref -d refs/heads/loose-delete && |
| 121 | check_packed_refs_marked |
| 122 | ' |
| 123 | |
| 124 | test_done |