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-rwxr-xr-xt/t6500-gc.sh18
1 files changed, 17 insertions, 1 deletions
diff --git a/t/t6500-gc.sh b/t/t6500-gc.sh
index 08de2e8ab0..cc7acd101d 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 +90,13 @@ 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
'
+# 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