diff options
Diffstat (limited to 'third_party/git/read-cache.c')
| -rw-r--r-- | third_party/git/read-cache.c | 110 |
1 files changed, 69 insertions, 41 deletions
diff --git a/third_party/git/read-cache.c b/third_party/git/read-cache.c index 52ffa8a313..ecf6f68994 100644 --- a/third_party/git/read-cache.c +++ b/third_party/git/read-cache.c @@ -89,8 +89,10 @@ static struct mem_pool *find_mem_pool(struct index_state *istate) else pool_ptr = &istate->ce_mem_pool; - if (!*pool_ptr) - mem_pool_init(pool_ptr, 0); + if (!*pool_ptr) { + *pool_ptr = xmalloc(sizeof(**pool_ptr)); + mem_pool_init(*pool_ptr, 0); + } return *pool_ptr; } @@ -959,11 +961,14 @@ static int verify_dotfile(const char *rest, unsigned mode) int verify_path(const char *path, unsigned mode) { - char c; + char c = 0; if (has_dos_drive_prefix(path)) return 0; + if (!is_valid_path(path)) + return 0; + goto inside; for (;;) { if (!c) @@ -971,6 +976,7 @@ int verify_path(const char *path, unsigned mode) if (is_dir_sep(c)) { inside: if (protect_hfs) { + if (is_hfs_dotgit(path)) return 0; if (S_ISLNK(mode)) { @@ -979,6 +985,10 @@ inside: } } if (protect_ntfs) { +#ifdef GIT_WINDOWS_NATIVE + if (c == '\\') + return 0; +#endif if (is_ntfs_dotgit(path)) return 0; if (S_ISLNK(mode)) { @@ -991,7 +1001,15 @@ inside: if ((c == '.' && !verify_dotfile(path, mode)) || is_dir_sep(c) || c == '\0') return 0; + } else if (c == '\\' && protect_ntfs) { + if (is_ntfs_dotgit(path)) + return 0; + if (S_ISLNK(mode)) { + if (is_ntfs_dotgitmodules(path)) + return 0; + } } + c = *path++; } } @@ -1155,20 +1173,6 @@ static int has_dir_name(struct index_state *istate, return retval; } - if (istate->cache_nr > 0 && - ce_namelen(istate->cache[istate->cache_nr - 1]) > len) { - /* - * The directory prefix lines up with part of - * a longer file or directory name, but sorts - * after it, so this sub-directory cannot - * collide with a file. - * - * last: xxx/yy-file (because '-' sorts before '/') - * this: xxx/yy/abc - */ - return retval; - } - /* * This is a possible collision. Fall through and * let the regular search code handle it. @@ -1276,7 +1280,7 @@ static int add_index_entry_with_check(struct index_state *istate, struct cache_e */ if (istate->cache_nr > 0 && strcmp(ce->name, istate->cache[istate->cache_nr - 1]->name) > 0) - pos = -istate->cache_nr - 1; + pos = index_pos_to_insert_pos(istate->cache_nr); else pos = index_name_stage_pos(istate, ce->name, ce_namelen(ce), ce_stage(ce)); @@ -1472,6 +1476,27 @@ static void show_file(const char * fmt, const char * name, int in_porcelain, printf(fmt, name); } +int repo_refresh_and_write_index(struct repository *repo, + unsigned int refresh_flags, + unsigned int write_flags, + int gentle, + const struct pathspec *pathspec, + char *seen, const char *header_msg) +{ + struct lock_file lock_file = LOCK_INIT; + int fd, ret = 0; + + fd = repo_hold_locked_index(repo, &lock_file, 0); + if (!gentle && fd < 0) + return -1; + if (refresh_index(repo->index, refresh_flags, pathspec, seen, header_msg)) + ret = 1; + if (0 <= fd && write_locked_index(repo->index, &lock_file, COMMIT_LOCK | write_flags)) + ret = -1; + return ret; +} + + int refresh_index(struct index_state *istate, unsigned int flags, const struct pathspec *pathspec, char *seen, const char *header_msg) @@ -1599,16 +1624,17 @@ struct cache_entry *refresh_cache_entry(struct index_state *istate, #define INDEX_FORMAT_DEFAULT 3 -static unsigned int get_index_format_default(void) +static unsigned int get_index_format_default(struct repository *r) { char *envversion = getenv("GIT_INDEX_VERSION"); char *endp; - int value; unsigned int version = INDEX_FORMAT_DEFAULT; if (!envversion) { - if (!git_config_get_int("index.version", &value)) - version = value; + prepare_repo_settings(r); + + if (r->settings.index_version >= 0) + version = r->settings.index_version; if (version < INDEX_FORMAT_LB || INDEX_FORMAT_UB < version) { warning(_("index.version set, but the value is invalid.\n" "Using version %i"), INDEX_FORMAT_DEFAULT); @@ -1768,7 +1794,7 @@ static struct cache_entry *create_from_disk(struct mem_pool *ce_mem_pool, const unsigned char *cp = (const unsigned char *)name; size_t strip_len, previous_len; - /* If we're at the begining of a block, ignore the previous name */ + /* If we're at the beginning of a block, ignore the previous name */ strip_len = decode_varint(&cp); if (previous_ce) { previous_len = previous_ce->ce_namelen; @@ -1844,18 +1870,17 @@ static void check_ce_order(struct index_state *istate) static void tweak_untracked_cache(struct index_state *istate) { - switch (git_config_get_untracked_cache()) { - case -1: /* keep: do nothing */ - break; - case 0: /* false */ + struct repository *r = the_repository; + + prepare_repo_settings(r); + + if (r->settings.core_untracked_cache == UNTRACKED_CACHE_REMOVE) { remove_untracked_cache(istate); - break; - case 1: /* true */ - add_untracked_cache(istate); - break; - default: /* unknown value: do nothing */ - break; + return; } + + if (r->settings.core_untracked_cache == UNTRACKED_CACHE_WRITE) + add_untracked_cache(istate); } static void tweak_split_index(struct index_state *istate) @@ -1894,7 +1919,7 @@ static size_t estimate_cache_size(size_t ondisk_size, unsigned int entries) /* * Account for potential alignment differences. */ - per_entry += align_padding_size(sizeof(struct cache_entry), -sizeof(struct ondisk_cache_entry)); + per_entry += align_padding_size(per_entry, 0); return ondisk_size + entries * per_entry; } @@ -1983,11 +2008,12 @@ static unsigned long load_all_cache_entries(struct index_state *istate, { unsigned long consumed; + istate->ce_mem_pool = xmalloc(sizeof(*istate->ce_mem_pool)); if (istate->version == 4) { - mem_pool_init(&istate->ce_mem_pool, + mem_pool_init(istate->ce_mem_pool, estimate_cache_size_from_compressed(istate->cache_nr)); } else { - mem_pool_init(&istate->ce_mem_pool, + mem_pool_init(istate->ce_mem_pool, estimate_cache_size(mmap_size, istate->cache_nr)); } @@ -2047,7 +2073,8 @@ static unsigned long load_cache_entries_threaded(struct index_state *istate, con if (istate->name_hash_initialized) BUG("the name hash isn't thread safe"); - mem_pool_init(&istate->ce_mem_pool, 0); + istate->ce_mem_pool = xmalloc(sizeof(*istate->ce_mem_pool)); + mem_pool_init(istate->ce_mem_pool, 0); /* ensure we have no more threads than we have blocks to process */ if (nr_threads > ieot->nr) @@ -2074,11 +2101,12 @@ static unsigned long load_cache_entries_threaded(struct index_state *istate, con nr = 0; for (j = p->ieot_start; j < p->ieot_start + p->ieot_blocks; j++) nr += p->ieot->entries[j].nr; + p->ce_mem_pool = xmalloc(sizeof(*istate->ce_mem_pool)); if (istate->version == 4) { - mem_pool_init(&p->ce_mem_pool, + mem_pool_init(p->ce_mem_pool, estimate_cache_size_from_compressed(nr)); } else { - mem_pool_init(&p->ce_mem_pool, + mem_pool_init(p->ce_mem_pool, estimate_cache_size(mmap_size, nr)); } @@ -2335,7 +2363,7 @@ int discard_index(struct index_state *istate) if (istate->ce_mem_pool) { mem_pool_discard(istate->ce_mem_pool, should_validate_cache_entries()); - istate->ce_mem_pool = NULL; + FREE_AND_NULL(istate->ce_mem_pool); } return 0; @@ -2765,7 +2793,7 @@ static int do_write_index(struct index_state *istate, struct tempfile *tempfile, } if (!istate->version) { - istate->version = get_index_format_default(); + istate->version = get_index_format_default(the_repository); if (git_env_bool("GIT_TEST_SPLIT_INDEX", 0)) init_split_index(istate); } |