diff options
Diffstat (limited to 't/t6500-gc.sh')
| -rwxr-xr-x | t/t6500-gc.sh | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/t/t6500-gc.sh b/t/t6500-gc.sh index 08de2e8ab0..41b0be575d 100755 --- a/t/t6500-gc.sh +++ b/t/t6500-gc.sh @@ -67,6 +67,16 @@ test_expect_success 'auto gc with too many loose objects does not attempt to cre test_line_count = 2 new # There is one new pack and its .idx ' +run_and_wait_for_auto_gc () { + # We read stdout from gc for the side effect of waiting until the + # background gc process exits, closing its fd 9. Furthermore, the + # variable assignment from a command substitution preserves the + # exit status of the main gc process. + # Note: this fd trickery doesn't work on Windows, but there is no + # need to, because on Win the auto gc always runs in the foreground. + doesnt_matter=$(git gc --auto 9>&1) +} + test_expect_success 'background auto gc does not run if gc.log is present and recent but does if it is old' ' test_commit foo && test_commit bar && @@ -80,7 +90,34 @@ test_expect_success 'background auto gc does not run if gc.log is present and re test-chmtime =-345600 .git/gc.log && test_must_fail git gc --auto && test_config gc.logexpiry 2.days && - git gc --auto + run_and_wait_for_auto_gc && + ls .git/objects/pack/pack-*.pack >packs && + test_line_count = 1 packs +' + +test_expect_success 'background auto gc respects lock for all operations' ' + # make sure we run a background auto-gc + test_commit make-pack && + git repack && + test_config gc.autopacklimit 1 && + test_config gc.autodetach true && + + # create a ref whose loose presence we can use to detect a pack-refs run + git update-ref refs/heads/should-be-loose HEAD && + test_path_is_file .git/refs/heads/should-be-loose && + + # now fake a concurrent gc that holds the lock; we can use our + # shell pid so that it looks valid. + hostname=$(hostname || echo unknown) && + printf "$$ %s" "$hostname" >.git/gc.pid && + + # our gc should exit zero without doing anything + run_and_wait_for_auto_gc && + test_path_is_file .git/refs/heads/should-be-loose ' +# DO NOT leave a detached auto gc process running near the end of the +# test script: it can run long enough in the background to racily +# interfere with the cleanup in 'test_done'. + test_done |