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Diffstat (limited to 'refs.c')
-rw-r--r--refs.c76
1 files changed, 40 insertions, 36 deletions
diff --git a/refs.c b/refs.c
index e69ba26b74..4bf45b1979 100644
--- a/refs.c
+++ b/refs.c
@@ -48,7 +48,7 @@ static const char *parse_ref_line(char *line, unsigned char *sha1)
}
static void add_ref(const char *name, const unsigned char *sha1,
- int flag, struct ref_array *refs,
+ int flag, int check_name, struct ref_array *refs,
struct ref_entry **new_entry)
{
int len;
@@ -59,7 +59,8 @@ static void add_ref(const char *name, const unsigned char *sha1,
entry = xmalloc(sizeof(struct ref_entry) + len);
hashcpy(entry->sha1, sha1);
hashclr(entry->peeled);
- if (check_refname_format(name, REFNAME_ALLOW_ONELEVEL|REFNAME_DOT_COMPONENT))
+ if (check_name &&
+ check_refname_format(name, REFNAME_ALLOW_ONELEVEL|REFNAME_DOT_COMPONENT))
die("Reference has invalid format: '%s'", name);
memcpy(entry->name, name, len);
entry->flag = flag;
@@ -234,7 +235,7 @@ static void read_packed_refs(FILE *f, struct ref_array *array)
name = parse_ref_line(refline, sha1);
if (name) {
- add_ref(name, sha1, flag, array, &last);
+ add_ref(name, sha1, flag, 1, array, &last);
continue;
}
if (last &&
@@ -249,7 +250,7 @@ static void read_packed_refs(FILE *f, struct ref_array *array)
void add_extra_ref(const char *name, const unsigned char *sha1, int flag)
{
- add_ref(name, sha1, flag, &extra_refs, NULL);
+ add_ref(name, sha1, flag, 0, &extra_refs, NULL);
}
void clear_extra_refs(void)
@@ -333,12 +334,11 @@ static void get_ref_dir(const char *submodule, const char *base,
hashclr(sha1);
flag |= REF_ISBROKEN;
}
- } else
- if (!resolve_ref(ref, sha1, 1, &flag)) {
- hashclr(sha1);
- flag |= REF_ISBROKEN;
- }
- add_ref(ref, sha1, flag, array, NULL);
+ } else if (read_ref_full(ref, sha1, 1, &flag)) {
+ hashclr(sha1);
+ flag |= REF_ISBROKEN;
+ }
+ add_ref(ref, sha1, flag, 1, array, NULL);
}
free(ref);
closedir(dir);
@@ -361,7 +361,7 @@ static int warn_if_dangling_symref(const char *refname, const unsigned char *sha
if (!(flags & REF_ISSYMREF))
return 0;
- resolves_to = resolve_ref(refname, junk, 0, NULL);
+ resolves_to = resolve_ref_unsafe(refname, junk, 0, NULL);
if (!resolves_to || strcmp(resolves_to, d->refname))
return 0;
@@ -497,7 +497,7 @@ static int get_packed_ref(const char *ref, unsigned char *sha1)
return -1;
}
-const char *resolve_ref(const char *ref, unsigned char *sha1, int reading, int *flag)
+const char *resolve_ref_unsafe(const char *ref, unsigned char *sha1, int reading, int *flag)
{
int depth = MAXDEPTH;
ssize_t len;
@@ -605,6 +605,12 @@ const char *resolve_ref(const char *ref, unsigned char *sha1, int reading, int *
return ref;
}
+char *resolve_refdup(const char *ref, unsigned char *sha1, int reading, int *flag)
+{
+ const char *ret = resolve_ref_unsafe(ref, sha1, reading, flag);
+ return ret ? xstrdup(ret) : NULL;
+}
+
/* The argument to filter_refs */
struct ref_filter {
const char *pattern;
@@ -612,13 +618,18 @@ struct ref_filter {
void *cb_data;
};
-int read_ref(const char *ref, unsigned char *sha1)
+int read_ref_full(const char *ref, unsigned char *sha1, int reading, int *flags)
{
- if (resolve_ref(ref, sha1, 1, NULL))
+ if (resolve_ref_unsafe(ref, sha1, reading, flags))
return 0;
return -1;
}
+int read_ref(const char *ref, unsigned char *sha1)
+{
+ return read_ref_full(ref, sha1, 1, NULL);
+}
+
#define DO_FOR_EACH_INCLUDE_BROKEN 01
static int do_one_ref(const char *base, each_ref_fn fn, int trim,
int flags, void *cb_data, struct ref_entry *entry)
@@ -663,7 +674,7 @@ int peel_ref(const char *ref, unsigned char *sha1)
goto fallback;
}
- if (!resolve_ref(ref, base, 1, &flag))
+ if (read_ref_full(ref, base, 1, &flag))
return -1;
if ((flag & REF_ISPACKED)) {
@@ -746,7 +757,7 @@ static int do_head_ref(const char *submodule, each_ref_fn fn, void *cb_data)
return 0;
}
- if (resolve_ref("HEAD", sha1, 1, &flag))
+ if (!read_ref_full("HEAD", sha1, 1, &flag))
return fn("HEAD", sha1, flag, cb_data);
return 0;
@@ -826,7 +837,7 @@ int head_ref_namespaced(each_ref_fn fn, void *cb_data)
int flag;
strbuf_addf(&buf, "%sHEAD", get_git_namespace());
- if (resolve_ref(buf.buf, sha1, 1, &flag))
+ if (!read_ref_full(buf.buf, sha1, 1, &flag))
ret = fn(buf.buf, sha1, flag, cb_data);
strbuf_release(&buf);
@@ -998,13 +1009,6 @@ const char *ref_rev_parse_rules[] = {
NULL
};
-const char *ref_fetch_rules[] = {
- "%.*s",
- "refs/%.*s",
- "refs/heads/%.*s",
- NULL
-};
-
int refname_match(const char *abbrev_name, const char *full_name, const char **rules)
{
const char **p;
@@ -1022,7 +1026,7 @@ int refname_match(const char *abbrev_name, const char *full_name, const char **r
static struct ref_lock *verify_lock(struct ref_lock *lock,
const unsigned char *old_sha1, int mustexist)
{
- if (!resolve_ref(lock->ref_name, lock->old_sha1, mustexist, NULL)) {
+ if (read_ref_full(lock->ref_name, lock->old_sha1, mustexist, NULL)) {
error("Can't verify ref %s", lock->ref_name);
unlock_ref(lock);
return NULL;
@@ -1113,7 +1117,7 @@ int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref)
this_result = refs_found ? sha1_from_ref : sha1;
mksnpath(fullref, sizeof(fullref), *p, len, str);
- r = resolve_ref(fullref, this_result, 1, &flag);
+ r = resolve_ref_unsafe(fullref, this_result, 1, &flag);
if (r) {
if (!refs_found++)
*ref = xstrdup(r);
@@ -1143,7 +1147,7 @@ int dwim_log(const char *str, int len, unsigned char *sha1, char **log)
const char *ref, *it;
mksnpath(path, sizeof(path), *p, len, str);
- ref = resolve_ref(path, hash, 1, NULL);
+ ref = resolve_ref_unsafe(path, hash, 1, NULL);
if (!ref)
continue;
if (!stat(git_path("logs/%s", path), &st) &&
@@ -1179,7 +1183,7 @@ static struct ref_lock *lock_ref_sha1_basic(const char *ref, const unsigned char
lock = xcalloc(1, sizeof(struct ref_lock));
lock->lock_fd = -1;
- ref = resolve_ref(ref, lock->old_sha1, mustexist, &type);
+ ref = resolve_ref_unsafe(ref, lock->old_sha1, mustexist, &type);
if (!ref && errno == EISDIR) {
/* we are trying to lock foo but we used to
* have foo/bar which now does not exist;
@@ -1192,7 +1196,7 @@ static struct ref_lock *lock_ref_sha1_basic(const char *ref, const unsigned char
error("there are still refs under '%s'", orig_ref);
goto error_return;
}
- ref = resolve_ref(orig_ref, lock->old_sha1, mustexist, &type);
+ ref = resolve_ref_unsafe(orig_ref, lock->old_sha1, mustexist, &type);
}
if (type_p)
*type_p = type;
@@ -1355,7 +1359,7 @@ int rename_ref(const char *oldref, const char *newref, const char *logmsg)
if (log && S_ISLNK(loginfo.st_mode))
return error("reflog for %s is a symlink", oldref);
- symref = resolve_ref(oldref, orig_sha1, 1, &flag);
+ symref = resolve_ref_unsafe(oldref, orig_sha1, 1, &flag);
if (flag & REF_ISSYMREF)
return error("refname %s is a symbolic ref, renaming it is not supported",
oldref);
@@ -1377,7 +1381,8 @@ int rename_ref(const char *oldref, const char *newref, const char *logmsg)
goto rollback;
}
- if (resolve_ref(newref, sha1, 1, &flag) && delete_ref(newref, sha1, REF_NODEREF)) {
+ if (!read_ref_full(newref, sha1, 1, &flag) &&
+ delete_ref(newref, sha1, REF_NODEREF)) {
if (errno==EISDIR) {
if (remove_empty_directories(git_path("%s", newref))) {
error("Directory not empty: %s", newref);
@@ -1643,7 +1648,7 @@ int write_ref_sha1(struct ref_lock *lock,
unsigned char head_sha1[20];
int head_flag;
const char *head_ref;
- head_ref = resolve_ref("HEAD", head_sha1, 1, &head_flag);
+ head_ref = resolve_ref_unsafe("HEAD", head_sha1, 1, &head_flag);
if (head_ref && (head_flag & REF_ISSYMREF) &&
!strcmp(head_ref, lock->ref_name))
log_ref_write("HEAD", lock->old_sha1, sha1, logmsg);
@@ -1929,7 +1934,7 @@ static int do_for_each_reflog(const char *base, each_ref_fn fn, void *cb_data)
retval = do_for_each_reflog(log, fn, cb_data);
} else {
unsigned char sha1[20];
- if (!resolve_ref(log, sha1, 0, NULL))
+ if (read_ref_full(log, sha1, 0, NULL))
retval = error("bad ref for %s", log);
else
retval = fn(log, sha1, 0, cb_data);
@@ -1980,7 +1985,7 @@ int update_ref(const char *action, const char *refname,
int ref_exists(const char *refname)
{
unsigned char sha1[20];
- return !!resolve_ref(refname, sha1, 1, NULL);
+ return !!resolve_ref_unsafe(refname, sha1, 1, NULL);
}
struct ref *find_ref_by_name(const struct ref *list, const char *name)
@@ -2072,7 +2077,6 @@ char *shorten_unambiguous_ref(const char *ref, int strict)
*/
for (j = 0; j < rules_to_fail; j++) {
const char *rule = ref_rev_parse_rules[j];
- unsigned char short_objectname[20];
char refname[PATH_MAX];
/* skip matched rule */
@@ -2086,7 +2090,7 @@ char *shorten_unambiguous_ref(const char *ref, int strict)
*/
mksnpath(refname, sizeof(refname),
rule, short_name_len, short_name);
- if (!read_ref(refname, short_objectname))
+ if (ref_exists(refname))
break;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 21:20:00 +0000