t7501: add test of "commit --dry-run --short"

diff --git a/t/t6500-gc.sh b/t/t6500-gc.sh
index d5255dd5760389fbbabf1c2ffc787500e4184758..818435f04e49b50965cd674bf046eb3d494fa939 100755 (executable)
--- 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 &&