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-rwxr-xr-xt/t5303-pack-corruption-resilience.sh29
1 files changed, 28 insertions, 1 deletions
diff --git a/t/t5303-pack-corruption-resilience.sh b/t/t5303-pack-corruption-resilience.sh
index 5b1250f0d2..35926debe3 100755
--- a/t/t5303-pack-corruption-resilience.sh
+++ b/t/t5303-pack-corruption-resilience.sh
@@ -51,7 +51,7 @@ do_corrupt_object() {
ofs=`git show-index < ${pack}.idx | grep $1 | cut -f1 -d" "` &&
ofs=$(($ofs + $2)) &&
chmod +w ${pack}.pack &&
- dd of=${pack}.pack count=1 bs=1 conv=notrunc seek=$ofs &&
+ dd of=${pack}.pack bs=1 conv=notrunc seek=$ofs &&
test_must_fail git verify-pack ${pack}.pack
}
@@ -276,6 +276,33 @@ test_expect_success \
git cat-file blob $blob_3 > /dev/null'
test_expect_success \
+ 'corruption of delta base reference pointing to wrong object' \
+ 'create_new_pack --delta-base-offset &&
+ git prune-packed &&
+ printf "\220\033" | do_corrupt_object $blob_3 2 &&
+ git cat-file blob $blob_1 >/dev/null &&
+ git cat-file blob $blob_2 >/dev/null &&
+ test_must_fail git cat-file blob $blob_3 >/dev/null'
+
+test_expect_success \
+ '... but having a loose copy allows for full recovery' \
+ 'mv ${pack}.idx tmp &&
+ git hash-object -t blob -w file_3 &&
+ mv tmp ${pack}.idx &&
+ git cat-file blob $blob_1 > /dev/null &&
+ git cat-file blob $blob_2 > /dev/null &&
+ git cat-file blob $blob_3 > /dev/null'
+
+test_expect_success \
+ '... and then a repack "clears" the corruption' \
+ 'do_repack --delta-base-offset --no-reuse-delta &&
+ git prune-packed &&
+ git verify-pack ${pack}.pack &&
+ git cat-file blob $blob_1 > /dev/null &&
+ git cat-file blob $blob_2 > /dev/null &&
+ git cat-file blob $blob_3 > /dev/null'
+
+test_expect_success \
'corrupting header to have too small output buffer fails unpack' \
'create_new_pack &&
git prune-packed &&