return 0;
}
+static int is_empty_blob_sha1(const unsigned char *sha1)
+{
+ static const unsigned char empty_blob_sha1[20] = {
+ 0xe6,0x9d,0xe2,0x9b,0xb2,0xd1,0xd6,0x43,0x4b,0x8b,
+ 0x29,0xae,0x77,0x5a,0xd8,0xc2,0xe4,0x8c,0x53,0x91
+ };
+
+ return !hashcmp(sha1, empty_blob_sha1);
+}
+
static int ce_match_stat_basic(struct cache_entry *ce, struct stat *st)
{
unsigned int changed = 0;
if (ce->ce_size != (unsigned int) st->st_size)
changed |= DATA_CHANGED;
+ /* Racily smudged entry? */
+ if (!ce->ce_size) {
+ if (!is_empty_blob_sha1(ce->sha1))
+ changed |= DATA_CHANGED;
+ }
+
return changed;
}
static int is_racy_timestamp(const struct index_state *istate, struct cache_entry *ce)
{
- return (istate->timestamp &&
+ return (!S_ISGITLINK(ce->ce_mode) &&
+ istate->timestamp &&
((unsigned int)istate->timestamp) <= ce->ce_mtime);
}
return new;
}
-int add_file_to_index(struct index_state *istate, const char *path, int verbose)
+int add_to_index(struct index_state *istate, const char *path, struct stat *st, int flags)
{
- int size, namelen;
- struct stat st;
+ int size, namelen, was_same;
+ mode_t st_mode = st->st_mode;
struct cache_entry *ce, *alias;
unsigned ce_option = CE_MATCH_IGNORE_VALID|CE_MATCH_RACY_IS_DIRTY;
+ int verbose = flags & (ADD_CACHE_VERBOSE | ADD_CACHE_PRETEND);
+ int pretend = flags & ADD_CACHE_PRETEND;
- if (lstat(path, &st))
- die("%s: unable to stat (%s)", path, strerror(errno));
-
- if (!S_ISREG(st.st_mode) && !S_ISLNK(st.st_mode) && !S_ISDIR(st.st_mode))
- die("%s: can only add regular files, symbolic links or git-directories", path);
+ 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);
namelen = strlen(path);
- if (S_ISDIR(st.st_mode)) {
+ if (S_ISDIR(st_mode)) {
while (namelen && path[namelen-1] == '/')
namelen--;
}
ce = xcalloc(1, size);
memcpy(ce->name, path, namelen);
ce->ce_flags = namelen;
- fill_stat_cache_info(ce, &st);
+ fill_stat_cache_info(ce, st);
if (trust_executable_bit && has_symlinks)
- ce->ce_mode = create_ce_mode(st.st_mode);
+ ce->ce_mode = create_ce_mode(st_mode);
else {
/* If there is an existing entry, pick the mode bits and type
* from it, otherwise assume unexecutable regular file.
int pos = index_name_pos_also_unmerged(istate, path, namelen);
ent = (0 <= pos) ? istate->cache[pos] : NULL;
- ce->ce_mode = ce_mode_from_stat(ent, st.st_mode);
+ ce->ce_mode = ce_mode_from_stat(ent, st_mode);
}
alias = index_name_exists(istate, ce->name, ce_namelen(ce), ignore_case);
- if (alias && !ce_stage(alias) && !ie_match_stat(istate, alias, &st, ce_option)) {
+ if (alias && !ce_stage(alias) && !ie_match_stat(istate, alias, st, ce_option)) {
/* Nothing changed, really */
free(ce);
ce_mark_uptodate(alias);
alias->ce_flags |= CE_ADDED;
return 0;
}
- if (index_path(ce->sha1, path, &st, 1))
- die("unable to index file %s", path);
+ if (index_path(ce->sha1, path, st, 1))
+ return error("unable to index file %s", path);
if (ignore_case && alias && different_name(ce, alias))
ce = create_alias_ce(ce, alias);
ce->ce_flags |= CE_ADDED;
- if (add_index_entry(istate, ce, ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE))
- die("unable to add %s to index",path);
- if (verbose)
+
+ /* It was suspected to be recily clean, but it turns out to be Ok */
+ was_same = (alias &&
+ !ce_stage(alias) &&
+ !hashcmp(alias->sha1, ce->sha1) &&
+ ce->ce_mode == alias->ce_mode);
+
+ if (pretend)
+ ;
+ else if (add_index_entry(istate, ce, ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE))
+ return error("unable to add %s to index",path);
+ if (verbose && !was_same)
printf("add '%s'\n", path);
return 0;
}
+int add_file_to_index(struct index_state *istate, const char *path, int flags)
+{
+ struct stat st;
+ if (lstat(path, &st))
+ die("%s: unable to stat (%s)", path, strerror(errno));
+ return add_to_index(istate, path, &st, flags);
+}
+
struct cache_entry *make_cache_entry(unsigned int mode,
const unsigned char *sha1, const char *path, int stage,
int refresh)
if (ce_uptodate(ce))
return ce;
+ /*
+ * CE_VALID means the user promised us that the change to
+ * the work tree does not matter and told us not to worry.
+ */
+ if (!ignore_valid && (ce->ce_flags & CE_VALID)) {
+ ce_mark_uptodate(ce);
+ return ce;
+ }
+
if (lstat(ce->name, &st) < 0) {
if (err)
*err = errno;
int allow_unmerged = (flags & REFRESH_UNMERGED) != 0;
int quiet = (flags & REFRESH_QUIET) != 0;
int not_new = (flags & REFRESH_IGNORE_MISSING) != 0;
+ int ignore_submodules = (flags & REFRESH_IGNORE_SUBMODULES) != 0;
unsigned int options = really ? CE_MATCH_IGNORE_VALID : 0;
for (i = 0; i < istate->cache_nr; i++) {
int cache_errno = 0;
ce = istate->cache[i];
+ if (ignore_submodules && S_ISGITLINK(ce->ce_mode))
+ continue;
+
if (ce_stage(ce)) {
while ((i < istate->cache_nr) &&
! strcmp(istate->cache[i]->name, ce->name))