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-rw-r--r--pack-bitmap.c4
-rwxr-xr-xt/t5310-pack-bitmaps.sh28
-rwxr-xr-xt/t5326-multi-pack-bitmaps.sh19
3 files changed, 51 insertions, 0 deletions
diff --git a/pack-bitmap.c b/pack-bitmap.c
index f772d3cb7f..9c666cdb8b 100644
--- a/pack-bitmap.c
+++ b/pack-bitmap.c
@@ -358,7 +358,9 @@ static int open_midx_bitmap_1(struct bitmap_index *bitmap_git,
cleanup:
munmap(bitmap_git->map, bitmap_git->map_size);
bitmap_git->map_size = 0;
+ bitmap_git->map_pos = 0;
bitmap_git->map = NULL;
+ bitmap_git->midx = NULL;
return -1;
}
@@ -405,6 +407,8 @@ static int open_pack_bitmap_1(struct bitmap_index *bitmap_git, struct packed_git
munmap(bitmap_git->map, bitmap_git->map_size);
bitmap_git->map = NULL;
bitmap_git->map_size = 0;
+ bitmap_git->map_pos = 0;
+ bitmap_git->pack = NULL;
return -1;
}
diff --git a/t/t5310-pack-bitmaps.sh b/t/t5310-pack-bitmaps.sh
index d05ab716f6..f775fc1ce6 100755
--- a/t/t5310-pack-bitmaps.sh
+++ b/t/t5310-pack-bitmaps.sh
@@ -397,4 +397,32 @@ test_expect_success 'pack.preferBitmapTips' '
)
'
+test_expect_success 'complains about multiple pack bitmaps' '
+ rm -fr repo &&
+ git init repo &&
+ test_when_finished "rm -fr repo" &&
+ (
+ cd repo &&
+
+ test_commit base &&
+
+ git repack -adb &&
+ bitmap="$(ls .git/objects/pack/pack-*.bitmap)" &&
+ mv "$bitmap" "$bitmap.bak" &&
+
+ test_commit other &&
+ git repack -ab &&
+
+ mv "$bitmap.bak" "$bitmap" &&
+
+ find .git/objects/pack -type f -name "*.pack" >packs &&
+ find .git/objects/pack -type f -name "*.bitmap" >bitmaps &&
+ test_line_count = 2 packs &&
+ test_line_count = 2 bitmaps &&
+
+ git rev-list --use-bitmap-index HEAD 2>err &&
+ grep "ignoring extra bitmap file" err
+ )
+'
+
test_done
diff --git a/t/t5326-multi-pack-bitmaps.sh b/t/t5326-multi-pack-bitmaps.sh
index c0924074c4..3c1ecc7e25 100755
--- a/t/t5326-multi-pack-bitmaps.sh
+++ b/t/t5326-multi-pack-bitmaps.sh
@@ -266,4 +266,23 @@ test_expect_success 'hash-cache values are propagated from pack bitmaps' '
)
'
+test_expect_success 'graceful fallback when missing reverse index' '
+ rm -fr repo &&
+ git init repo &&
+ test_when_finished "rm -fr repo" &&
+ (
+ cd repo &&
+
+ test_commit base &&
+
+ # write a pack and MIDX bitmap containing base
+ git repack -adb &&
+ git multi-pack-index write --bitmap &&
+
+ GIT_TEST_MIDX_READ_RIDX=0 \
+ git rev-list --use-bitmap-index HEAD 2>err &&
+ ! grep "ignoring extra bitmap file" err
+ )
+'
+
test_done