diff options
Diffstat (limited to 'read-cache.c')
-rw-r--r-- | read-cache.c | 245 |
1 files changed, 118 insertions, 127 deletions
diff --git a/read-cache.c b/read-cache.c index bd45dc3e24..a66c87bc7a 100644 --- a/read-cache.c +++ b/read-cache.c @@ -3,7 +3,6 @@ * * Copyright (C) Linus Torvalds, 2005 */ -#define NO_THE_INDEX_COMPATIBILITY_MACROS #include "cache.h" #include "config.h" #include "diff.h" @@ -95,7 +94,6 @@ static struct mem_pool *find_mem_pool(struct index_state *istate) return *pool_ptr; } -struct index_state the_index; static const char *alternate_index_output; static void set_index_entry(struct index_state *istate, int nr, struct cache_entry *ce) @@ -316,7 +314,7 @@ static int ce_match_stat_basic(const struct cache_entry *ce, struct stat *st) changed |= DATA_CHANGED; return changed; default: - die("internal error: ce_mode is %o", ce->ce_mode); + BUG("unsupported ce_mode: %o", ce->ce_mode); } changed |= match_stat_data(&ce->ce_stat_data, st); @@ -672,7 +670,8 @@ static struct cache_entry *create_alias_ce(struct index_state *istate, struct cache_entry *new_entry; if (alias->ce_flags & CE_ADDED) - die("Will not add file alias '%s' ('%s' already exists in index)", ce->name, alias->name); + die(_("will not add file alias '%s' ('%s' already exists in index)"), + ce->name, alias->name); /* Ok, create the new entry using the name of the existing alias */ len = ce_namelen(alias); @@ -687,7 +686,7 @@ void set_object_name_for_intent_to_add_entry(struct cache_entry *ce) { struct object_id oid; if (write_object_file("", 0, blob_type, &oid)) - die("cannot create an empty blob in the object database"); + die(_("cannot create an empty blob in the object database")); oidcpy(&ce->oid, &oid); } @@ -702,13 +701,13 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st, int intent_only = flags & ADD_CACHE_INTENT; int add_option = (ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE| (intent_only ? ADD_CACHE_NEW_ONLY : 0)); - int newflags = HASH_WRITE_OBJECT; + int hash_flags = HASH_WRITE_OBJECT; - if (flags & HASH_RENORMALIZE) - newflags |= HASH_RENORMALIZE; + if (flags & ADD_CACHE_RENORMALIZE) + hash_flags |= HASH_RENORMALIZE; if (!S_ISREG(st_mode) && !S_ISLNK(st_mode) && !S_ISDIR(st_mode)) - return error("%s: can only add regular files, symbolic links or git-directories", path); + return error(_("%s: can only add regular files, symbolic links or git-directories"), path); namelen = strlen(path); if (S_ISDIR(st_mode)) { @@ -761,9 +760,9 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st, } } if (!intent_only) { - if (index_path(istate, &ce->oid, path, st, newflags)) { + if (index_path(istate, &ce->oid, path, st, hash_flags)) { discard_cache_entry(ce); - return error("unable to index file %s", path); + return error(_("unable to index file '%s'"), path); } } else set_object_name_for_intent_to_add_entry(ce); @@ -782,7 +781,7 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st, discard_cache_entry(ce); else if (add_index_entry(istate, ce, add_option)) { discard_cache_entry(ce); - return error("unable to add %s to index", path); + return error(_("unable to add '%s' to index"), path); } if (verbose && !was_same) printf("add '%s'\n", path); @@ -793,7 +792,7 @@ int add_file_to_index(struct index_state *istate, const char *path, int flags) { struct stat st; if (lstat(path, &st)) - die_errno("unable to stat '%s'", path); + die_errno(_("unable to stat '%s'"), path); return add_to_index(istate, path, &st, flags); } @@ -818,7 +817,7 @@ struct cache_entry *make_cache_entry(struct index_state *istate, int len; if (!verify_path(path, mode)) { - error("Invalid path '%s'", path); + error(_("invalid path '%s'"), path); return NULL; } @@ -844,7 +843,7 @@ struct cache_entry *make_transient_cache_entry(unsigned int mode, const struct o int len; if (!verify_path(path, mode)) { - error("Invalid path '%s'", path); + error(_("invalid path '%s'"), path); return NULL; } @@ -1297,12 +1296,12 @@ static int add_index_entry_with_check(struct index_state *istate, struct cache_e if (!ok_to_add) return -1; if (!verify_path(ce->name, ce->ce_mode)) - return error("Invalid path '%s'", ce->name); + return error(_("invalid path '%s'"), ce->name); if (!skip_df_check && check_file_directory_conflict(istate, ce, pos, ok_to_replace)) { if (!ok_to_replace) - return error("'%s' appears as both a file and as a directory", + return error(_("'%s' appears as both a file and as a directory"), ce->name); pos = index_name_stage_pos(istate, ce->name, ce_namelen(ce), ce_stage(ce)); pos = -pos-1; @@ -1491,11 +1490,11 @@ int refresh_index(struct index_state *istate, unsigned int flags, istate->cache_nr); trace_performance_enter(); - modified_fmt = (in_porcelain ? "M\t%s\n" : "%s: needs update\n"); - deleted_fmt = (in_porcelain ? "D\t%s\n" : "%s: needs update\n"); - typechange_fmt = (in_porcelain ? "T\t%s\n" : "%s needs update\n"); - added_fmt = (in_porcelain ? "A\t%s\n" : "%s needs update\n"); - unmerged_fmt = (in_porcelain ? "U\t%s\n" : "%s: needs merge\n"); + modified_fmt = in_porcelain ? "M\t%s\n" : "%s: needs update\n"; + deleted_fmt = in_porcelain ? "D\t%s\n" : "%s: needs update\n"; + typechange_fmt = in_porcelain ? "T\t%s\n" : "%s: needs update\n"; + added_fmt = in_porcelain ? "A\t%s\n" : "%s: needs update\n"; + unmerged_fmt = in_porcelain ? "U\t%s\n" : "%s: needs merge\n"; /* * Use the multi-threaded preload_index() to refresh most of the * cache entries quickly then in the single threaded loop below, @@ -1682,10 +1681,10 @@ static int verify_hdr(const struct cache_header *hdr, unsigned long size) int hdr_version; if (hdr->hdr_signature != htonl(CACHE_SIGNATURE)) - return error("bad signature"); + return error(_("bad signature 0x%08x"), hdr->hdr_signature); hdr_version = ntohl(hdr->hdr_version); if (hdr_version < INDEX_FORMAT_LB || INDEX_FORMAT_UB < hdr_version) - return error("bad index version %d", hdr_version); + return error(_("bad index version %d"), hdr_version); if (!verify_index_checksum) return 0; @@ -1694,7 +1693,7 @@ static int verify_hdr(const struct cache_header *hdr, unsigned long size) the_hash_algo->update_fn(&c, hdr, size - the_hash_algo->rawsz); the_hash_algo->final_fn(hash, &c); if (!hasheq(hash, (unsigned char *)hdr + size - the_hash_algo->rawsz)) - return error("bad index file sha1 signature"); + return error(_("bad index file sha1 signature")); return 0; } @@ -1724,24 +1723,14 @@ static int read_index_extension(struct index_state *istate, break; default: if (*ext < 'A' || 'Z' < *ext) - return error("index uses %.4s extension, which we do not understand", + return error(_("index uses %.4s extension, which we do not understand"), ext); - fprintf(stderr, "ignoring %.4s extension\n", ext); + fprintf_ln(stderr, _("ignoring %.4s extension"), ext); break; } return 0; } -int hold_locked_index(struct lock_file *lk, int lock_flags) -{ - return hold_lock_file_for_update(lk, get_index_file(), lock_flags); -} - -int read_index(struct index_state *istate) -{ - return read_index_from(istate, get_index_file(), get_git_dir()); -} - static struct cache_entry *create_from_disk(struct mem_pool *ce_mem_pool, unsigned int version, struct ondisk_cache_entry *ondisk, @@ -1773,7 +1762,7 @@ static struct cache_entry *create_from_disk(struct mem_pool *ce_mem_pool, extended_flags = get_be16(&ondisk2->flags2) << 16; /* We do not yet understand any bit out of CE_EXTENDED_FLAGS */ if (extended_flags & ~CE_EXTENDED_FLAGS) - die("Unknown index entry format %08x", extended_flags); + die(_("unknown index entry format 0x%08x"), extended_flags); flags |= extended_flags; name = ondisk2->name; } @@ -1844,13 +1833,13 @@ static void check_ce_order(struct index_state *istate) int name_compare = strcmp(ce->name, next_ce->name); if (0 < name_compare) - die("unordered stage entries in index"); + die(_("unordered stage entries in index")); if (!name_compare) { if (!ce_stage(ce)) - die("multiple stage entries for merged file '%s'", + die(_("multiple stage entries for merged file '%s'"), ce->name); if (ce_stage(ce) > ce_stage(next_ce)) - die("unordered stage entries for '%s'", + die(_("unordered stage entries for '%s'"), ce->name); } } @@ -2144,19 +2133,19 @@ int do_read_index(struct index_state *istate, const char *path, int must_exist) if (fd < 0) { if (!must_exist && errno == ENOENT) return 0; - die_errno("%s: index file open failed", path); + die_errno(_("%s: index file open failed"), path); } if (fstat(fd, &st)) - die_errno("cannot stat the open index"); + die_errno(_("%s: cannot stat the open index"), path); mmap_size = xsize_t(st.st_size); if (mmap_size < sizeof(struct cache_header) + the_hash_algo->rawsz) - die("index file smaller than expected"); + die(_("%s: index file smaller than expected"), path); mmap = xmmap(NULL, mmap_size, PROT_READ, MAP_PRIVATE, fd, 0); if (mmap == MAP_FAILED) - die_errno("unable to map index file"); + die_errno(_("%s: unable to map index file"), path); close(fd); hdr = (const struct cache_header *)mmap; @@ -2235,7 +2224,7 @@ int do_read_index(struct index_state *istate, const char *path, int must_exist) unmap: munmap((void *)mmap, mmap_size); - die("index file corrupt"); + die(_("index file corrupt")); } /* @@ -2247,7 +2236,7 @@ unmap: static void freshen_shared_index(const char *shared_index, int warn) { if (!check_and_freshen_file(shared_index, 1) && warn) - warning("could not freshen shared index '%s'", shared_index); + warning(_("could not freshen shared index '%s'"), shared_index); } int read_index_from(struct index_state *istate, const char *path, @@ -2282,7 +2271,7 @@ int read_index_from(struct index_state *istate, const char *path, base_path = xstrfmt("%s/sharedindex.%s", gitdir, base_oid_hex); ret = do_read_index(split_index->base, base_path, 1); if (!oideq(&split_index->base_oid, &split_index->base->oid)) - die("broken index, expect %s in %s, got %s", + die(_("broken index, expect %s in %s, got %s"), base_oid_hex, base_path, oid_to_hex(&split_index->base->oid)); @@ -2348,14 +2337,14 @@ void validate_cache_entries(const struct index_state *istate) for (i = 0; i < istate->cache_nr; i++) { if (!istate) { - die("internal error: cache entry is not allocated from expected memory pool"); + BUG("cache entry is not allocated from expected memory pool"); } else if (!istate->ce_mem_pool || !mem_pool_contains(istate->ce_mem_pool, istate->cache[i])) { if (!istate->split_index || !istate->split_index->base || !istate->split_index->base->ce_mem_pool || !mem_pool_contains(istate->split_index->base->ce_mem_pool, istate->cache[i])) { - die("internal error: cache entry is not allocated from expected memory pool"); + BUG("cache entry is not allocated from expected memory pool"); } } } @@ -2374,22 +2363,20 @@ int unmerged_index(const struct index_state *istate) return 0; } -int index_has_changes(struct index_state *istate, - struct tree *tree, - struct strbuf *sb) +int repo_index_has_changes(struct repository *repo, + struct tree *tree, + struct strbuf *sb) { + struct index_state *istate = repo->index; struct object_id cmp; int i; - if (istate != &the_index) { - BUG("index_has_changes cannot yet accept istate != &the_index; do_diff_cache needs updating first."); - } if (tree) cmp = tree->object.oid; if (tree || !get_oid_tree("HEAD", &cmp)) { struct diff_options opt; - repo_diff_setup(the_repository, &opt); + repo_diff_setup(repo, &opt); opt.flags.exit_with_status = 1; if (!sb) opt.flags.quick = 1; @@ -2663,9 +2650,9 @@ out: return 0; } -static int verify_index(const struct index_state *istate) +static int repo_verify_index(struct repository *repo) { - return verify_index_from(istate, get_index_file()); + return verify_index_from(repo->index, repo->index_file); } static int has_racy_timestamp(struct index_state *istate) @@ -2681,11 +2668,13 @@ static int has_racy_timestamp(struct index_state *istate) return 0; } -void update_index_if_able(struct index_state *istate, struct lock_file *lockfile) +void repo_update_index_if_able(struct repository *repo, + struct lock_file *lockfile) { - if ((istate->cache_changed || has_racy_timestamp(istate)) && - verify_index(istate)) - write_locked_index(istate, lockfile, COMMIT_LOCK); + if ((repo->index->cache_changed || + has_racy_timestamp(repo->index)) && + repo_verify_index(repo)) + write_locked_index(repo->index, lockfile, COMMIT_LOCK); else rollback_lock_file(lockfile); } @@ -3096,7 +3085,7 @@ static int write_shared_index(struct index_state *istate, return ret; ret = adjust_shared_perm(get_tempfile_path(*temp)); if (ret) { - error("cannot fix permission bits on %s", get_tempfile_path(*temp)); + error(_("cannot fix permission bits on '%s'"), get_tempfile_path(*temp)); return ret; } ret = rename_tempfile(temp, @@ -3146,7 +3135,7 @@ int write_locked_index(struct index_state *istate, struct lock_file *lock, struct split_index *si = istate->split_index; if (git_env_bool("GIT_TEST_CHECK_CACHE_TREE", 0)) - cache_tree_verify(istate); + cache_tree_verify(the_repository, istate); if ((flags & SKIP_IF_UNCHANGED) && !istate->cache_changed) { if (flags & COMMIT_LOCK) @@ -3222,12 +3211,14 @@ out: * state can call this and check its return value, instead of calling * read_cache(). */ -int read_index_unmerged(struct index_state *istate) +int repo_read_index_unmerged(struct repository *repo) { + struct index_state *istate; int i; int unmerged = 0; - read_index(istate); + repo_read_index(repo); + istate = repo->index; for (i = 0; i < istate->cache_nr; i++) { struct cache_entry *ce = istate->cache[i]; struct cache_entry *new_ce; @@ -3243,7 +3234,7 @@ int read_index_unmerged(struct index_state *istate) new_ce->ce_namelen = len; new_ce->ce_mode = ce->ce_mode; if (add_index_entry(istate, new_ce, ADD_CACHE_SKIP_DFCHECK)) - return error("%s: cannot drop to stage #0", + return error(_("%s: cannot drop to stage #0"), new_ce->name); } return unmerged; @@ -3494,71 +3485,71 @@ static void write_eoie_extension(struct strbuf *sb, git_hash_ctx *eoie_context, static struct index_entry_offset_table *read_ieot_extension(const char *mmap, size_t mmap_size, size_t offset) { - const char *index = NULL; - uint32_t extsize, ext_version; - struct index_entry_offset_table *ieot; - int i, nr; - - /* find the IEOT extension */ - if (!offset) - return NULL; - while (offset <= mmap_size - the_hash_algo->rawsz - 8) { - extsize = get_be32(mmap + offset + 4); - if (CACHE_EXT((mmap + offset)) == CACHE_EXT_INDEXENTRYOFFSETTABLE) { - index = mmap + offset + 4 + 4; - break; - } - offset += 8; - offset += extsize; - } - if (!index) - return NULL; - - /* validate the version is IEOT_VERSION */ - ext_version = get_be32(index); - if (ext_version != IEOT_VERSION) { - error("invalid IEOT version %d", ext_version); - return NULL; - } - index += sizeof(uint32_t); - - /* extension size - version bytes / bytes per entry */ - nr = (extsize - sizeof(uint32_t)) / (sizeof(uint32_t) + sizeof(uint32_t)); - if (!nr) { - error("invalid number of IEOT entries %d", nr); - return NULL; - } - ieot = xmalloc(sizeof(struct index_entry_offset_table) - + (nr * sizeof(struct index_entry_offset))); - ieot->nr = nr; - for (i = 0; i < nr; i++) { - ieot->entries[i].offset = get_be32(index); - index += sizeof(uint32_t); - ieot->entries[i].nr = get_be32(index); - index += sizeof(uint32_t); - } - - return ieot; + const char *index = NULL; + uint32_t extsize, ext_version; + struct index_entry_offset_table *ieot; + int i, nr; + + /* find the IEOT extension */ + if (!offset) + return NULL; + while (offset <= mmap_size - the_hash_algo->rawsz - 8) { + extsize = get_be32(mmap + offset + 4); + if (CACHE_EXT((mmap + offset)) == CACHE_EXT_INDEXENTRYOFFSETTABLE) { + index = mmap + offset + 4 + 4; + break; + } + offset += 8; + offset += extsize; + } + if (!index) + return NULL; + + /* validate the version is IEOT_VERSION */ + ext_version = get_be32(index); + if (ext_version != IEOT_VERSION) { + error("invalid IEOT version %d", ext_version); + return NULL; + } + index += sizeof(uint32_t); + + /* extension size - version bytes / bytes per entry */ + nr = (extsize - sizeof(uint32_t)) / (sizeof(uint32_t) + sizeof(uint32_t)); + if (!nr) { + error("invalid number of IEOT entries %d", nr); + return NULL; + } + ieot = xmalloc(sizeof(struct index_entry_offset_table) + + (nr * sizeof(struct index_entry_offset))); + ieot->nr = nr; + for (i = 0; i < nr; i++) { + ieot->entries[i].offset = get_be32(index); + index += sizeof(uint32_t); + ieot->entries[i].nr = get_be32(index); + index += sizeof(uint32_t); + } + + return ieot; } static void write_ieot_extension(struct strbuf *sb, struct index_entry_offset_table *ieot) { - uint32_t buffer; - int i; + uint32_t buffer; + int i; - /* version */ - put_be32(&buffer, IEOT_VERSION); - strbuf_add(sb, &buffer, sizeof(uint32_t)); + /* version */ + put_be32(&buffer, IEOT_VERSION); + strbuf_add(sb, &buffer, sizeof(uint32_t)); - /* ieot */ - for (i = 0; i < ieot->nr; i++) { + /* ieot */ + for (i = 0; i < ieot->nr; i++) { - /* offset */ - put_be32(&buffer, ieot->entries[i].offset); - strbuf_add(sb, &buffer, sizeof(uint32_t)); + /* offset */ + put_be32(&buffer, ieot->entries[i].offset); + strbuf_add(sb, &buffer, sizeof(uint32_t)); - /* count */ - put_be32(&buffer, ieot->entries[i].nr); - strbuf_add(sb, &buffer, sizeof(uint32_t)); - } + /* count */ + put_be32(&buffer, ieot->entries[i].nr); + strbuf_add(sb, &buffer, sizeof(uint32_t)); + } } |