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-rw-r--r--t/helper/test-read-midx.c113
1 files changed, 113 insertions, 0 deletions
diff --git a/t/helper/test-read-midx.c b/t/helper/test-read-midx.c
new file mode 100644
index 0000000..27072ba
--- /dev/null
+++ b/t/helper/test-read-midx.c
@@ -0,0 +1,113 @@
+#include "test-tool.h"
+#include "cache.h"
+#include "midx.h"
+#include "repository.h"
+#include "object-store.h"
+#include "pack-bitmap.h"
+
+static int read_midx_file(const char *object_dir, int show_objects)
+{
+ uint32_t i;
+ struct multi_pack_index *m;
+
+ setup_git_directory();
+ m = load_multi_pack_index(object_dir, 1);
+
+ if (!m)
+ return 1;
+
+ printf("header: %08x %d %d %d %d\n",
+ m->signature,
+ m->version,
+ m->hash_len,
+ m->num_chunks,
+ m->num_packs);
+
+ printf("chunks:");
+
+ if (m->chunk_pack_names)
+ printf(" pack-names");
+ if (m->chunk_oid_fanout)
+ printf(" oid-fanout");
+ if (m->chunk_oid_lookup)
+ printf(" oid-lookup");
+ if (m->chunk_object_offsets)
+ printf(" object-offsets");
+ if (m->chunk_large_offsets)
+ printf(" large-offsets");
+
+ printf("\nnum_objects: %d\n", m->num_objects);
+
+ printf("packs:\n");
+ for (i = 0; i < m->num_packs; i++)
+ printf("%s\n", m->pack_names[i]);
+
+ printf("object-dir: %s\n", m->object_dir);
+
+ if (show_objects) {
+ struct object_id oid;
+ struct pack_entry e;
+
+ for (i = 0; i < m->num_objects; i++) {
+ nth_midxed_object_oid(&oid, m, i);
+ fill_midx_entry(the_repository, &oid, &e, m);
+
+ printf("%s %"PRIu64"\t%s\n",
+ oid_to_hex(&oid), e.offset, e.p->pack_name);
+ }
+ }
+
+ close_midx(m);
+
+ return 0;
+}
+
+static int read_midx_checksum(const char *object_dir)
+{
+ struct multi_pack_index *m;
+
+ setup_git_directory();
+ m = load_multi_pack_index(object_dir, 1);
+ if (!m)
+ return 1;
+ printf("%s\n", hash_to_hex(get_midx_checksum(m)));
+ return 0;
+}
+
+static int read_midx_preferred_pack(const char *object_dir)
+{
+ struct multi_pack_index *midx = NULL;
+ struct bitmap_index *bitmap = NULL;
+
+ setup_git_directory();
+
+ midx = load_multi_pack_index(object_dir, 1);
+ if (!midx)
+ return 1;
+
+ bitmap = prepare_bitmap_git(the_repository);
+ if (!bitmap)
+ return 1;
+ if (!bitmap_is_midx(bitmap)) {
+ free_bitmap_index(bitmap);
+ return 1;
+ }
+
+ printf("%s\n", midx->pack_names[midx_preferred_pack(bitmap)]);
+ free_bitmap_index(bitmap);
+ return 0;
+}
+
+int cmd__read_midx(int argc, const char **argv)
+{
+ if (!(argc == 2 || argc == 3))
+ usage("read-midx [--show-objects|--checksum|--preferred-pack] <object-dir>");
+
+ if (!strcmp(argv[1], "--show-objects"))
+ return read_midx_file(argv[2], 1);
+ else if (!strcmp(argv[1], "--checksum"))
+ return read_midx_checksum(argv[2]);
+ else if (!strcmp(argv[1], "--preferred-pack"))
+ return read_midx_preferred_pack(argv[2]);
+ return read_midx_file(argv[1], 0);
+}