diff options
| -rw-r--r-- | midx.c | 15 | ||||
| -rwxr-xr-x | t/t5319-multi-pack-index.sh | 13 | ||||
| -rw-r--r-- | t/t5319/no-objects.midx | bin | 0 -> 1116 bytes |
3 files changed, 24 insertions, 4 deletions
@@ -923,6 +923,12 @@ static int write_midx_internal(const char *object_dir, struct multi_pack_index * cur_chunk = 0; num_chunks = large_offsets_needed ? 5 : 4; + if (packs.nr - dropped_packs == 0) { + error(_("no pack files to index.")); + result = 1; + goto cleanup; + } + written = write_midx_header(f, num_chunks, packs.nr - dropped_packs); chunk_ids[cur_chunk] = MIDX_CHUNKID_PACKNAMES; @@ -1124,6 +1130,15 @@ int verify_midx_file(struct repository *r, const char *object_dir, unsigned flag i, oid_fanout1, oid_fanout2, i + 1); } + if (m->num_objects == 0) { + midx_report(_("the midx contains no oid")); + /* + * Remaining tests assume that we have objects, so we can + * return here. + */ + return verify_midx_error; + } + if (flags & MIDX_PROGRESS) progress = start_sparse_progress(_("Verifying OID order in multi-pack-index"), m->num_objects - 1); diff --git a/t/t5319-multi-pack-index.sh b/t/t5319-multi-pack-index.sh index 43a7a66c9d..22240fd30b 100755 --- a/t/t5319-multi-pack-index.sh +++ b/t/t5319-multi-pack-index.sh @@ -42,10 +42,15 @@ test_expect_success 'setup' ' EOF ' -test_expect_success 'write midx with no packs' ' - test_when_finished rm -f pack/multi-pack-index && - git multi-pack-index --object-dir=. write && - midx_read_expect 0 0 4 . +test_expect_success "don't write midx with no packs" ' + test_must_fail git multi-pack-index --object-dir=. write && + test_path_is_missing pack/multi-pack-index +' + +test_expect_success "Warn if a midx contains no oid" ' + cp "$TEST_DIRECTORY"/t5319/no-objects.midx $objdir/pack/multi-pack-index && + test_must_fail git multi-pack-index verify && + rm $objdir/pack/multi-pack-index ' generate_objects () { diff --git a/t/t5319/no-objects.midx b/t/t5319/no-objects.midx Binary files differnew file mode 100644 index 0000000000..e466b8e086 --- /dev/null +++ b/t/t5319/no-objects.midx |