diff options
Diffstat (limited to 't/t5319-multi-pack-index.sh')
| -rwxr-xr-x | t/t5319-multi-pack-index.sh | 138 |
1 files changed, 136 insertions, 2 deletions
diff --git a/t/t5319-multi-pack-index.sh b/t/t5319-multi-pack-index.sh index 6f56b38674..70926b5bc0 100755 --- a/t/t5319-multi-pack-index.sh +++ b/t/t5319-multi-pack-index.sh @@ -150,9 +150,128 @@ test_expect_success 'write midx with twelve packs' ' compare_results_with_midx "twelve packs" +test_expect_success 'verify multi-pack-index success' ' + git multi-pack-index verify --object-dir=$objdir +' + +# usage: corrupt_midx_and_verify <pos> <data> <objdir> <string> +corrupt_midx_and_verify() { + POS=$1 && + DATA="${2:-\0}" && + OBJDIR=$3 && + GREPSTR="$4" && + COMMAND="$5" && + if test -z "$COMMAND" + then + COMMAND="git multi-pack-index verify --object-dir=$OBJDIR" + fi && + FILE=$OBJDIR/pack/multi-pack-index && + chmod a+w $FILE && + test_when_finished mv midx-backup $FILE && + cp $FILE midx-backup && + printf "$DATA" | dd of="$FILE" bs=1 seek="$POS" conv=notrunc && + test_must_fail $COMMAND 2>test_err && + grep -v "^+" test_err >err && + test_i18ngrep "$GREPSTR" err +} + +test_expect_success 'verify bad signature' ' + corrupt_midx_and_verify 0 "\00" $objdir \ + "multi-pack-index signature" +' + +HASH_LEN=20 +NUM_OBJECTS=74 +MIDX_BYTE_VERSION=4 +MIDX_BYTE_OID_VERSION=5 +MIDX_BYTE_CHUNK_COUNT=6 +MIDX_HEADER_SIZE=12 +MIDX_BYTE_CHUNK_ID=$MIDX_HEADER_SIZE +MIDX_BYTE_CHUNK_OFFSET=$(($MIDX_HEADER_SIZE + 4)) +MIDX_NUM_CHUNKS=5 +MIDX_CHUNK_LOOKUP_WIDTH=12 +MIDX_OFFSET_PACKNAMES=$(($MIDX_HEADER_SIZE + \ + $MIDX_NUM_CHUNKS * $MIDX_CHUNK_LOOKUP_WIDTH)) +MIDX_BYTE_PACKNAME_ORDER=$(($MIDX_OFFSET_PACKNAMES + 2)) +MIDX_OFFSET_OID_FANOUT=$(($MIDX_OFFSET_PACKNAMES + 652)) +MIDX_OID_FANOUT_WIDTH=4 +MIDX_BYTE_OID_FANOUT_ORDER=$((MIDX_OFFSET_OID_FANOUT + 250 * $MIDX_OID_FANOUT_WIDTH + 1)) +MIDX_OFFSET_OID_LOOKUP=$(($MIDX_OFFSET_OID_FANOUT + 256 * $MIDX_OID_FANOUT_WIDTH)) +MIDX_BYTE_OID_LOOKUP=$(($MIDX_OFFSET_OID_LOOKUP + 16 * $HASH_LEN)) +MIDX_OFFSET_OBJECT_OFFSETS=$(($MIDX_OFFSET_OID_LOOKUP + $NUM_OBJECTS * $HASH_LEN)) +MIDX_OFFSET_WIDTH=8 +MIDX_BYTE_PACK_INT_ID=$(($MIDX_OFFSET_OBJECT_OFFSETS + 16 * $MIDX_OFFSET_WIDTH + 2)) +MIDX_BYTE_OFFSET=$(($MIDX_OFFSET_OBJECT_OFFSETS + 16 * $MIDX_OFFSET_WIDTH + 6)) + +test_expect_success 'verify bad version' ' + corrupt_midx_and_verify $MIDX_BYTE_VERSION "\00" $objdir \ + "multi-pack-index version" +' + +test_expect_success 'verify bad OID version' ' + corrupt_midx_and_verify $MIDX_BYTE_OID_VERSION "\02" $objdir \ + "hash version" +' + +test_expect_success 'verify truncated chunk count' ' + corrupt_midx_and_verify $MIDX_BYTE_CHUNK_COUNT "\01" $objdir \ + "missing required" +' + +test_expect_success 'verify extended chunk count' ' + corrupt_midx_and_verify $MIDX_BYTE_CHUNK_COUNT "\07" $objdir \ + "terminating multi-pack-index chunk id appears earlier than expected" +' + +test_expect_success 'verify missing required chunk' ' + corrupt_midx_and_verify $MIDX_BYTE_CHUNK_ID "\01" $objdir \ + "missing required" +' + +test_expect_success 'verify invalid chunk offset' ' + corrupt_midx_and_verify $MIDX_BYTE_CHUNK_OFFSET "\01" $objdir \ + "invalid chunk offset (too large)" +' + +test_expect_success 'verify packnames out of order' ' + corrupt_midx_and_verify $MIDX_BYTE_PACKNAME_ORDER "z" $objdir \ + "pack names out of order" +' + +test_expect_success 'verify packnames out of order' ' + corrupt_midx_and_verify $MIDX_BYTE_PACKNAME_ORDER "a" $objdir \ + "failed to load pack" +' + +test_expect_success 'verify oid fanout out of order' ' + corrupt_midx_and_verify $MIDX_BYTE_OID_FANOUT_ORDER "\01" $objdir \ + "oid fanout out of order" +' + +test_expect_success 'verify oid lookup out of order' ' + corrupt_midx_and_verify $MIDX_BYTE_OID_LOOKUP "\00" $objdir \ + "oid lookup out of order" +' + +test_expect_success 'verify incorrect pack-int-id' ' + corrupt_midx_and_verify $MIDX_BYTE_PACK_INT_ID "\07" $objdir \ + "bad pack-int-id" +' + +test_expect_success 'verify incorrect offset' ' + corrupt_midx_and_verify $MIDX_BYTE_OFFSET "\07" $objdir \ + "incorrect object offset" +' + +test_expect_success 'git-fsck incorrect offset' ' + corrupt_midx_and_verify $MIDX_BYTE_OFFSET "\07" $objdir \ + "incorrect object offset" \ + "git -c core.multipackindex=true fsck" +' + test_expect_success 'repack removes multi-pack-index' ' test_path_is_file $objdir/pack/multi-pack-index && - git repack -adf && + GIT_TEST_MULTI_PACK_INDEX=0 git repack -adf && test_path_is_missing $objdir/pack/multi-pack-index ' @@ -187,7 +306,6 @@ test_expect_success 'multi-pack-index in an alternate' ' compare_results_with_midx "with alternate (remote midx)" - # usage: corrupt_data <file> <pos> [<data>] corrupt_data () { file=$1 @@ -214,4 +332,20 @@ test_expect_success 'force some 64-bit offsets with pack-objects' ' midx_read_expect 1 63 5 objects64 " large-offsets" ' +test_expect_success 'verify multi-pack-index with 64-bit offsets' ' + git multi-pack-index verify --object-dir=objects64 +' + +NUM_OBJECTS=63 +MIDX_OFFSET_OID_FANOUT=$((MIDX_OFFSET_PACKNAMES + 54)) +MIDX_OFFSET_OID_LOOKUP=$((MIDX_OFFSET_OID_FANOUT + 256 * $MIDX_OID_FANOUT_WIDTH)) +MIDX_OFFSET_OBJECT_OFFSETS=$(($MIDX_OFFSET_OID_LOOKUP + $NUM_OBJECTS * $HASH_LEN)) +MIDX_OFFSET_LARGE_OFFSETS=$(($MIDX_OFFSET_OBJECT_OFFSETS + $NUM_OBJECTS * $MIDX_OFFSET_WIDTH)) +MIDX_BYTE_LARGE_OFFSET=$(($MIDX_OFFSET_LARGE_OFFSETS + 3)) + +test_expect_success 'verify incorrect 64-bit offset' ' + corrupt_midx_and_verify $MIDX_BYTE_LARGE_OFFSET "\07" objects64 \ + "incorrect object offset" +' + test_done |