upload-pack: make sure deepening preserves shallow roots

diff --git a/t/t5537-fetch-shallow.sh b/t/t5537-fetch-shallow.sh
index d2110527ef33e5687601e73e36649e121fc21730..022cb2c990152c858810d263c64e32f8f75ffb75 100755 (executable)
--- a/t/t5537-fetch-shallow.sh
+++ b/t/t5537-fetch-shallow.sh
@@ -79,6 +79,22 @@ EOF
        )
 '
 
+test_expect_success 'fetch --unshallow from shallow clone' '
+       (
+       cd shallow2 &&
+       git fetch --unshallow &&
+       git fsck &&
+       git log --format=%s origin/master >actual &&
+       cat <<EOF >expect &&
+6
+5
+4
+3
+EOF
+       test_cmp expect actual
+       )
+'
+
 test_expect_success 'fetch something upstream has but hidden by clients shallow boundaries' '
        # the blob "1" is available in .git but hidden by the
        # shallow2/.git/shallow and it should be resent