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Diffstat (limited to 't/t6500-gc.sh')
-rwxr-xr-x | t/t6500-gc.sh | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/t/t6500-gc.sh b/t/t6500-gc.sh index 1762dfa6a3..818435f04e 100755 --- a/t/t6500-gc.sh +++ b/t/t6500-gc.sh @@ -5,6 +5,13 @@ test_description='basic git gc tests . ./test-lib.sh +test_expect_success 'setup' ' + # do not let the amount of physical memory affects gc + # behavior, make sure we always pack everything to one pack by + # default + git config gc.bigPackThreshold 2g +' + test_expect_success 'gc empty repository' ' git gc ' @@ -43,6 +50,31 @@ test_expect_success 'gc is not aborted due to a stale symref' ' ) ' +test_expect_success 'gc --keep-largest-pack' ' + test_create_repo keep-pack && + ( + cd keep-pack && + test_commit one && + test_commit two && + test_commit three && + git gc && + ( cd .git/objects/pack && ls *.pack ) >pack-list && + test_line_count = 1 pack-list && + BASE_PACK=.git/objects/pack/pack-*.pack && + test_commit four && + git repack -d && + test_commit five && + git repack -d && + ( cd .git/objects/pack && ls *.pack ) >pack-list && + test_line_count = 3 pack-list && + git gc --keep-largest-pack && + ( cd .git/objects/pack && ls *.pack ) >pack-list && + test_line_count = 2 pack-list && + test_path_is_file $BASE_PACK && + git fsck + ) +' + test_expect_success 'auto gc with too many loose objects does not attempt to create bitmaps' ' test_config gc.auto 3 && test_config gc.autodetach false && @@ -67,5 +99,57 @@ test_expect_success 'auto gc with too many loose objects does not attempt to cre test_line_count = 2 new # There is one new pack and its .idx ' +run_and_wait_for_auto_gc () { + # We read stdout from gc for the side effect of waiting until the + # background gc process exits, closing its fd 9. Furthermore, the + # variable assignment from a command substitution preserves the + # exit status of the main gc process. + # Note: this fd trickery doesn't work on Windows, but there is no + # need to, because on Win the auto gc always runs in the foreground. + doesnt_matter=$(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 && + git repack && + test_config gc.autopacklimit 1 && + test_config gc.autodetach true && + echo fleem >.git/gc.log && + test_must_fail git gc --auto 2>err && + test_i18ngrep "^error:" err && + test_config gc.logexpiry 5.days && + test-tool chmtime =-345600 .git/gc.log && + test_must_fail git gc --auto && + test_config gc.logexpiry 2.days && + 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 |