diff options
Diffstat (limited to 'builtin/index-pack.c')
-rw-r--r-- | builtin/index-pack.c | 69 |
1 files changed, 58 insertions, 11 deletions
diff --git a/builtin/index-pack.c b/builtin/index-pack.c index 557bd2f348..54f74c4874 100644 --- a/builtin/index-pack.c +++ b/builtin/index-pack.c @@ -17,7 +17,7 @@ #include "promisor-remote.h" static const char index_pack_usage[] = -"git index-pack [-v] [-o <index-file>] [--keep | --keep=<msg>] [--verify] [--strict] (<pack-file> | --stdin [--fix-thin] [<pack-file>])"; +"git index-pack [-v] [-o <index-file>] [--keep | --keep=<msg>] [--[no-]rev-index] [--verify] [--strict] (<pack-file> | --stdin [--fix-thin] [<pack-file>])"; struct object_entry { struct pack_idx_entry idx; @@ -1436,15 +1436,15 @@ static void fix_unresolved_deltas(struct hashfile *f) free(sorted_by_pos); } -static const char *derive_filename(const char *pack_name, const char *suffix, - struct strbuf *buf) +static const char *derive_filename(const char *pack_name, const char *strip, + const char *suffix, struct strbuf *buf) { size_t len; - if (!strip_suffix(pack_name, ".pack", &len)) - die(_("packfile name '%s' does not end with '.pack'"), - pack_name); + if (!strip_suffix(pack_name, strip, &len) || !len || + pack_name[len - 1] != '.') + die(_("packfile name '%s' does not end with '.%s'"), + pack_name, strip); strbuf_add(buf, pack_name, len); - strbuf_addch(buf, '.'); strbuf_addstr(buf, suffix); return buf->buf; } @@ -1459,7 +1459,7 @@ static void write_special_file(const char *suffix, const char *msg, int msg_len = strlen(msg); if (pack_name) - filename = derive_filename(pack_name, suffix, &name_buf); + filename = derive_filename(pack_name, "pack", suffix, &name_buf); else filename = odb_pack_name(&name_buf, hash, suffix); @@ -1484,12 +1484,14 @@ static void write_special_file(const char *suffix, const char *msg, static void final(const char *final_pack_name, const char *curr_pack_name, const char *final_index_name, const char *curr_index_name, + const char *final_rev_index_name, const char *curr_rev_index_name, const char *keep_msg, const char *promisor_msg, unsigned char *hash) { const char *report = "pack"; struct strbuf pack_name = STRBUF_INIT; struct strbuf index_name = STRBUF_INIT; + struct strbuf rev_index_name = STRBUF_INIT; int err; if (!from_stdin) { @@ -1524,6 +1526,16 @@ static void final(const char *final_pack_name, const char *curr_pack_name, } else chmod(final_index_name, 0444); + if (curr_rev_index_name) { + if (final_rev_index_name != curr_rev_index_name) { + if (!final_rev_index_name) + final_rev_index_name = odb_pack_name(&rev_index_name, hash, "rev"); + if (finalize_object_file(curr_rev_index_name, final_rev_index_name)) + die(_("cannot store reverse index file")); + } else + chmod(final_rev_index_name, 0444); + } + if (do_fsck_object) { struct packed_git *p; p = add_packed_git(final_index_name, strlen(final_index_name), 0); @@ -1553,6 +1565,7 @@ static void final(const char *final_pack_name, const char *curr_pack_name, } } + strbuf_release(&rev_index_name); strbuf_release(&index_name); strbuf_release(&pack_name); } @@ -1578,6 +1591,12 @@ static int git_index_pack_config(const char *k, const char *v, void *cb) } return 0; } + if (!strcmp(k, "pack.writereverseindex")) { + if (git_config_bool(k, v)) + opts->flags |= WRITE_REV; + else + opts->flags &= ~WRITE_REV; + } return git_default_config(k, v, cb); } @@ -1695,12 +1714,14 @@ static void show_pack_info(int stat_only) int cmd_index_pack(int argc, const char **argv, const char *prefix) { - int i, fix_thin_pack = 0, verify = 0, stat_only = 0; + int i, fix_thin_pack = 0, verify = 0, stat_only = 0, rev_index; const char *curr_index; - const char *index_name = NULL, *pack_name = NULL; + const char *curr_rev_index = NULL; + const char *index_name = NULL, *pack_name = NULL, *rev_index_name = NULL; const char *keep_msg = NULL; const char *promisor_msg = NULL; struct strbuf index_name_buf = STRBUF_INIT; + struct strbuf rev_index_name_buf = STRBUF_INIT; struct pack_idx_entry **idx_objects; struct pack_idx_option opts; unsigned char pack_hash[GIT_MAX_RAWSZ]; @@ -1727,6 +1748,11 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix) if (prefix && chdir(prefix)) die(_("Cannot come back to cwd")); + if (git_env_bool(GIT_TEST_WRITE_REV_INDEX, 0)) + rev_index = 1; + else + rev_index = !!(opts.flags & (WRITE_REV_VERIFY | WRITE_REV)); + for (i = 1; i < argc; i++) { const char *arg = argv[i]; @@ -1805,6 +1831,10 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix) if (hash_algo == GIT_HASH_UNKNOWN) die(_("unknown hash algorithm '%s'"), arg); repo_set_hash_algo(the_repository, hash_algo); + } else if (!strcmp(arg, "--rev-index")) { + rev_index = 1; + } else if (!strcmp(arg, "--no-rev-index")) { + rev_index = 0; } else usage(index_pack_usage); continue; @@ -1824,7 +1854,16 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix) if (from_stdin && hash_algo) die(_("--object-format cannot be used with --stdin")); if (!index_name && pack_name) - index_name = derive_filename(pack_name, "idx", &index_name_buf); + index_name = derive_filename(pack_name, "pack", "idx", &index_name_buf); + + opts.flags &= ~(WRITE_REV | WRITE_REV_VERIFY); + if (rev_index) { + opts.flags |= verify ? WRITE_REV_VERIFY : WRITE_REV; + if (index_name) + rev_index_name = derive_filename(index_name, + "idx", "rev", + &rev_index_name_buf); + } if (verify) { if (!index_name) @@ -1878,11 +1917,16 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix) for (i = 0; i < nr_objects; i++) idx_objects[i] = &objects[i].idx; curr_index = write_idx_file(index_name, idx_objects, nr_objects, &opts, pack_hash); + if (rev_index) + curr_rev_index = write_rev_file(rev_index_name, idx_objects, + nr_objects, pack_hash, + opts.flags); free(idx_objects); if (!verify) final(pack_name, curr_pack, index_name, curr_index, + rev_index_name, curr_rev_index, keep_msg, promisor_msg, pack_hash); else @@ -1893,10 +1937,13 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix) free(objects); strbuf_release(&index_name_buf); + strbuf_release(&rev_index_name_buf); if (pack_name == NULL) free((void *) curr_pack); if (index_name == NULL) free((void *) curr_index); + if (rev_index_name == NULL) + free((void *) curr_rev_index); /* * Let the caller know this pack is not self contained |