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Diffstat (limited to 't/t1409-avoid-packing-refs.sh')
| -rwxr-xr-x | t/t1409-avoid-packing-refs.sh | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/t/t1409-avoid-packing-refs.sh b/t/t1409-avoid-packing-refs.sh new file mode 100755 index 000000000000..e5cb8a252dd1 --- /dev/null +++ b/t/t1409-avoid-packing-refs.sh @@ -0,0 +1,118 @@ +#!/bin/sh + +test_description='avoid rewriting packed-refs unnecessarily' + +. ./test-lib.sh + +# Add an identifying mark to the packed-refs file header line. This +# shouldn't upset readers, and it should be omitted if the file is +# ever rewritten. +mark_packed_refs () { + sed -e "s/^\(#.*\)/\1 t1409 /" <.git/packed-refs >.git/packed-refs.new && + mv .git/packed-refs.new .git/packed-refs +} + +# Verify that the packed-refs file is still marked. +check_packed_refs_marked () { + grep -q '^#.* t1409 ' .git/packed-refs +} + +test_expect_success 'setup' ' + git commit --allow-empty -m "Commit A" && + A=$(git rev-parse HEAD) && + git commit --allow-empty -m "Commit B" && + B=$(git rev-parse HEAD) && + git commit --allow-empty -m "Commit C" && + C=$(git rev-parse HEAD) +' + +test_expect_success 'do not create packed-refs file gratuitously' ' + test_must_fail test -f .git/packed-refs && + git update-ref refs/heads/foo $A && + test_must_fail test -f .git/packed-refs && + git update-ref refs/heads/foo $B && + test_must_fail test -f .git/packed-refs && + git update-ref refs/heads/foo $C $B && + test_must_fail test -f .git/packed-refs && + git update-ref -d refs/heads/foo && + test_must_fail test -f .git/packed-refs +' + +test_expect_success 'check that marking the packed-refs file works' ' + git for-each-ref >expected && + git pack-refs --all && + mark_packed_refs && + check_packed_refs_marked && + git for-each-ref >actual && + test_cmp expected actual && + git pack-refs --all && + test_must_fail check_packed_refs_marked && + git for-each-ref >actual2 && + test_cmp expected actual2 +' + +test_expect_success 'leave packed-refs untouched on update of packed' ' + git update-ref refs/heads/packed-update $A && + git pack-refs --all && + mark_packed_refs && + git update-ref refs/heads/packed-update $B && + check_packed_refs_marked +' + +test_expect_success 'leave packed-refs untouched on checked update of packed' ' + git update-ref refs/heads/packed-checked-update $A && + git pack-refs --all && + mark_packed_refs && + git update-ref refs/heads/packed-checked-update $B $A && + check_packed_refs_marked +' + +test_expect_success 'leave packed-refs untouched on verify of packed' ' + git update-ref refs/heads/packed-verify $A && + git pack-refs --all && + mark_packed_refs && + echo "verify refs/heads/packed-verify $A" | git update-ref --stdin && + check_packed_refs_marked +' + +test_expect_success 'touch packed-refs on delete of packed' ' + git update-ref refs/heads/packed-delete $A && + git pack-refs --all && + mark_packed_refs && + git update-ref -d refs/heads/packed-delete && + test_must_fail check_packed_refs_marked +' + +test_expect_success 'leave packed-refs untouched on update of loose' ' + git pack-refs --all && + git update-ref refs/heads/loose-update $A && + mark_packed_refs && + git update-ref refs/heads/loose-update $B && + check_packed_refs_marked +' + +test_expect_success 'leave packed-refs untouched on checked update of loose' ' + git pack-refs --all && + git update-ref refs/heads/loose-checked-update $A && + mark_packed_refs && + git update-ref refs/heads/loose-checked-update $B $A && + check_packed_refs_marked +' + +test_expect_success 'leave packed-refs untouched on verify of loose' ' + git pack-refs --all && + git update-ref refs/heads/loose-verify $A && + mark_packed_refs && + echo "verify refs/heads/loose-verify $A" | git update-ref --stdin && + check_packed_refs_marked +' + +test_expect_success 'leave packed-refs untouched on delete of loose' ' + git pack-refs --all && + git update-ref refs/heads/loose-delete $A && + mark_packed_refs && + git update-ref -d refs/heads/loose-delete && + check_packed_refs_marked +' + +test_done |