diff options
Diffstat (limited to 'read-cache.c')
-rw-r--r-- | read-cache.c | 87 |
1 files changed, 64 insertions, 23 deletions
diff --git a/read-cache.c b/read-cache.c index b4d08254d6..b297addb57 100644 --- a/read-cache.c +++ b/read-cache.c @@ -91,7 +91,7 @@ void fill_stat_cache_info(struct cache_entry *ce, struct stat *st) ce_mark_uptodate(ce); } -static int ce_compare_data(struct cache_entry *ce, struct stat *st) +static int ce_compare_data(const struct cache_entry *ce, struct stat *st) { int match = -1; int fd = open(ce->name, O_RDONLY); @@ -105,7 +105,7 @@ static int ce_compare_data(struct cache_entry *ce, struct stat *st) return match; } -static int ce_compare_link(struct cache_entry *ce, size_t expected_size) +static int ce_compare_link(const struct cache_entry *ce, size_t expected_size) { int match = -1; void *buffer; @@ -126,7 +126,7 @@ static int ce_compare_link(struct cache_entry *ce, size_t expected_size) return match; } -static int ce_compare_gitlink(struct cache_entry *ce) +static int ce_compare_gitlink(const struct cache_entry *ce) { unsigned char sha1[20]; @@ -143,7 +143,7 @@ static int ce_compare_gitlink(struct cache_entry *ce) return hashcmp(sha1, ce->sha1); } -static int ce_modified_check_fs(struct cache_entry *ce, struct stat *st) +static int ce_modified_check_fs(const struct cache_entry *ce, struct stat *st) { switch (st->st_mode & S_IFMT) { case S_IFREG: @@ -163,7 +163,7 @@ static int ce_modified_check_fs(struct cache_entry *ce, struct stat *st) return 0; } -static int ce_match_stat_basic(struct cache_entry *ce, struct stat *st) +static int ce_match_stat_basic(const struct cache_entry *ce, struct stat *st) { unsigned int changed = 0; @@ -197,21 +197,25 @@ static int ce_match_stat_basic(struct cache_entry *ce, struct stat *st) } if (ce->ce_mtime.sec != (unsigned int)st->st_mtime) changed |= MTIME_CHANGED; - if (trust_ctime && ce->ce_ctime.sec != (unsigned int)st->st_ctime) + if (trust_ctime && check_stat && + ce->ce_ctime.sec != (unsigned int)st->st_ctime) changed |= CTIME_CHANGED; #ifdef USE_NSEC - if (ce->ce_mtime.nsec != ST_MTIME_NSEC(*st)) + if (check_stat && ce->ce_mtime.nsec != ST_MTIME_NSEC(*st)) changed |= MTIME_CHANGED; - if (trust_ctime && ce->ce_ctime.nsec != ST_CTIME_NSEC(*st)) + if (trust_ctime && check_stat && + ce->ce_ctime.nsec != ST_CTIME_NSEC(*st)) changed |= CTIME_CHANGED; #endif - if (ce->ce_uid != (unsigned int) st->st_uid || - ce->ce_gid != (unsigned int) st->st_gid) - changed |= OWNER_CHANGED; - if (ce->ce_ino != (unsigned int) st->st_ino) - changed |= INODE_CHANGED; + if (check_stat) { + if (ce->ce_uid != (unsigned int) st->st_uid || + ce->ce_gid != (unsigned int) st->st_gid) + changed |= OWNER_CHANGED; + if (ce->ce_ino != (unsigned int) st->st_ino) + changed |= INODE_CHANGED; + } #ifdef USE_STDEV /* @@ -219,8 +223,8 @@ static int ce_match_stat_basic(struct cache_entry *ce, struct stat *st) * clients will have different views of what "device" * the filesystem is on */ - if (ce->ce_dev != (unsigned int) st->st_dev) - changed |= INODE_CHANGED; + if (check_stat && ce->ce_dev != (unsigned int) st->st_dev) + changed |= INODE_CHANGED; #endif if (ce->ce_size != (unsigned int) st->st_size) @@ -235,7 +239,8 @@ static int ce_match_stat_basic(struct cache_entry *ce, struct stat *st) return changed; } -static int is_racy_timestamp(const struct index_state *istate, struct cache_entry *ce) +static int is_racy_timestamp(const struct index_state *istate, + const struct cache_entry *ce) { return (!S_ISGITLINK(ce->ce_mode) && istate->timestamp.sec && @@ -251,7 +256,7 @@ static int is_racy_timestamp(const struct index_state *istate, struct cache_entr } int ie_match_stat(const struct index_state *istate, - struct cache_entry *ce, struct stat *st, + const struct cache_entry *ce, struct stat *st, unsigned int options) { unsigned int changed; @@ -307,7 +312,8 @@ int ie_match_stat(const struct index_state *istate, } int ie_modified(const struct index_state *istate, - struct cache_entry *ce, struct stat *st, unsigned int options) + const struct cache_entry *ce, + struct stat *st, unsigned int options) { int changed, changed_fs; @@ -622,7 +628,7 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st, if (*ptr == '/') { struct cache_entry *foundce; ++ptr; - foundce = index_name_exists(&the_index, ce->name, ptr - ce->name, ignore_case); + foundce = index_name_exists(istate, ce->name, ptr - ce->name, ignore_case); if (foundce) { memcpy((void *)startPtr, foundce->name + (startPtr - ce->name), ptr - startPtr); startPtr = ptr; @@ -975,7 +981,7 @@ int add_index_entry(struct index_state *istate, struct cache_entry *ce, int opti if (istate->cache_nr == istate->cache_alloc) { istate->cache_alloc = alloc_nr(istate->cache_alloc); istate->cache = xrealloc(istate->cache, - istate->cache_alloc * sizeof(struct cache_entry *)); + istate->cache_alloc * sizeof(*istate->cache)); } /* Add it in.. */ @@ -1445,7 +1451,7 @@ int read_index_from(struct index_state *istate, const char *path) istate->version = ntohl(hdr->hdr_version); istate->cache_nr = ntohl(hdr->hdr_entries); istate->cache_alloc = alloc_nr(istate->cache_nr); - istate->cache = xcalloc(istate->cache_alloc, sizeof(struct cache_entry *)); + istate->cache = xcalloc(istate->cache_alloc, sizeof(*istate->cache)); istate->initialized = 1; if (istate->version == 4) @@ -1514,8 +1520,9 @@ int discard_index(struct index_state *istate) free_name_hash(istate); cache_tree_free(&(istate->cache_tree)); istate->initialized = 0; - - /* no need to throw away allocated active_cache */ + free(istate->cache); + istate->cache = NULL; + istate->cache_alloc = 0; return 0; } @@ -1895,3 +1902,37 @@ int index_name_is_other(const struct index_state *istate, const char *name, } return 1; } + +void *read_blob_data_from_index(struct index_state *istate, const char *path, unsigned long *size) +{ + int pos, len; + unsigned long sz; + enum object_type type; + void *data; + + len = strlen(path); + pos = index_name_pos(istate, path, len); + if (pos < 0) { + /* + * We might be in the middle of a merge, in which + * case we would read stage #2 (ours). + */ + int i; + for (i = -pos - 1; + (pos < 0 && i < istate->cache_nr && + !strcmp(istate->cache[i]->name, path)); + i++) + if (ce_stage(istate->cache[i]) == 2) + pos = i; + } + if (pos < 0) + return NULL; + data = read_sha1_file(istate->cache[pos]->sha1, &type, &sz); + if (!data || type != OBJ_BLOB) { + free(data); + return NULL; + } + if (size) + *size = sz; + return data; +} |