unsigned char peeled[20];
};
+struct ref_cache;
+
struct ref_dir {
int nr, alloc;
*/
int sorted;
+ /* A pointer to the ref_cache that contains this ref_dir. */
+ struct ref_cache *ref_cache;
+
struct ref_entry **entries;
};
char name[FLEX_ARRAY];
};
+static struct ref_dir *get_ref_dir(struct ref_entry *entry)
+{
+ assert(entry->flag & REF_DIR);
+ return &entry->u.subdir;
+}
+
static struct ref_entry *create_ref_entry(const char *refname,
const unsigned char *sha1, int flag,
int check_name)
static void free_ref_entry(struct ref_entry *entry)
{
if (entry->flag & REF_DIR)
- clear_ref_dir(&entry->u.subdir);
+ clear_ref_dir(get_ref_dir(entry));
free(entry);
}
* dirname is the name of the directory with a trailing slash (e.g.,
* "refs/heads/") or "" for the top-level directory.
*/
-static struct ref_entry *create_dir_entry(const char *dirname)
+static struct ref_entry *create_dir_entry(struct ref_cache *ref_cache,
+ const char *dirname)
{
struct ref_entry *direntry;
int len = strlen(dirname);
direntry = xcalloc(1, sizeof(struct ref_entry) + len + 1);
memcpy(direntry->name, dirname, len + 1);
+ direntry->u.subdir.ref_cache = ref_cache;
direntry->flag = REF_DIR;
return direntry;
}
* directory if it is missing; otherwise, return NULL if the desired
* directory cannot be found.
*/
-static struct ref_entry *search_for_subdir(struct ref_dir *dir,
- const char *subdirname, int mkdir)
+static struct ref_dir *search_for_subdir(struct ref_dir *dir,
+ const char *subdirname, int mkdir)
{
struct ref_entry *entry = search_ref_dir(dir, subdirname);
if (!entry) {
if (!mkdir)
return NULL;
- entry = create_dir_entry(subdirname);
+ entry = create_dir_entry(dir->ref_cache, subdirname);
add_entry_to_dir(dir, entry);
}
- assert(entry->flag & REF_DIR);
- return entry;
+ return get_ref_dir(entry);
}
/*
const char *slash;
strbuf_init(&dirname, PATH_MAX);
for (slash = strchr(refname, '/'); slash; slash = strchr(slash + 1, '/')) {
- struct ref_entry *entry;
+ struct ref_dir *subdir;
strbuf_add(&dirname,
refname + dirname.len,
(slash + 1) - (refname + dirname.len));
- entry = search_for_subdir(dir, dirname.buf, mkdir);
- if (!entry)
+ subdir = search_for_subdir(dir, dirname.buf, mkdir);
+ if (!subdir)
break;
- dir = &entry->u.subdir;
+ dir = subdir;
}
strbuf_release(&dirname);
struct ref_entry *entry = dir->entries[i];
int retval;
if (entry->flag & REF_DIR) {
- sort_ref_dir(&entry->u.subdir);
- retval = do_for_each_ref_in_dir(&entry->u.subdir, 0,
+ struct ref_dir *subdir = get_ref_dir(entry);
+ sort_ref_dir(subdir);
+ retval = do_for_each_ref_in_dir(subdir, 0,
base, fn, trim, flags, cb_data);
} else {
retval = do_one_ref(base, fn, trim, flags, cb_data, entry);
if (cmp == 0) {
if ((e1->flag & REF_DIR) && (e2->flag & REF_DIR)) {
/* Both are directories; descend them in parallel. */
- sort_ref_dir(&e1->u.subdir);
- sort_ref_dir(&e2->u.subdir);
+ struct ref_dir *subdir1 = get_ref_dir(e1);
+ struct ref_dir *subdir2 = get_ref_dir(e2);
+ sort_ref_dir(subdir1);
+ sort_ref_dir(subdir2);
retval = do_for_each_ref_in_dirs(
- &e1->u.subdir, &e2->u.subdir,
+ subdir1, subdir2,
base, fn, trim, flags, cb_data);
i1++;
i2++;
i2++;
}
if (e->flag & REF_DIR) {
- sort_ref_dir(&e->u.subdir);
+ struct ref_dir *subdir = get_ref_dir(e);
+ sort_ref_dir(subdir);
retval = do_for_each_ref_in_dir(
- &e->u.subdir, 0,
+ subdir, 0,
base, fn, trim, flags, cb_data);
} else {
retval = do_one_ref(base, fn, trim, flags, cb_data, e);
*/
static struct ref_cache {
struct ref_cache *next;
- char did_loose;
- char did_packed;
- struct ref_dir loose;
- struct ref_dir packed;
+ struct ref_entry *loose;
+ struct ref_entry *packed;
/* The submodule name, or "" for the main repo. */
char name[FLEX_ARRAY];
} *ref_cache;
static void clear_packed_ref_cache(struct ref_cache *refs)
{
- if (refs->did_packed)
- clear_ref_dir(&refs->packed);
- refs->did_packed = 0;
+ if (refs->packed) {
+ free_ref_entry(refs->packed);
+ refs->packed = NULL;
+ }
}
static void clear_loose_ref_cache(struct ref_cache *refs)
{
- if (refs->did_loose)
- clear_ref_dir(&refs->loose);
- refs->did_loose = 0;
+ if (refs->loose) {
+ free_ref_entry(refs->loose);
+ refs->loose = NULL;
+ }
}
static struct ref_cache *create_ref_cache(const char *submodule)
static struct ref_dir *get_packed_refs(struct ref_cache *refs)
{
- if (!refs->did_packed) {
+ if (!refs->packed) {
const char *packed_refs_file;
FILE *f;
+ refs->packed = create_dir_entry(refs, "");
if (*refs->name)
packed_refs_file = git_path_submodule(refs->name, "packed-refs");
else
packed_refs_file = git_path("packed-refs");
f = fopen(packed_refs_file, "r");
if (f) {
- read_packed_refs(f, &refs->packed);
+ read_packed_refs(f, get_ref_dir(refs->packed));
fclose(f);
}
- refs->did_packed = 1;
}
- return &refs->packed;
+ return get_ref_dir(refs->packed);
}
void add_packed_ref(const char *refname, const unsigned char *sha1)
* dirname must end with '/'. dir must be the directory entry
* corresponding to dirname.
*/
-static void get_ref_dir(struct ref_cache *refs, const char *dirname,
- struct ref_dir *dir)
+static void read_loose_refs(struct ref_cache *refs, const char *dirname,
+ struct ref_dir *dir)
{
DIR *d;
const char *path;
; /* silently ignore */
} else if (S_ISDIR(st.st_mode)) {
strbuf_addch(&refname, '/');
- get_ref_dir(refs, refname.buf,
- &search_for_subdir(dir, refname.buf, 1)->u.subdir);
+ read_loose_refs(refs, refname.buf,
+ search_for_subdir(dir, refname.buf, 1));
} else {
if (*refs->name) {
hashclr(sha1);
static struct ref_dir *get_loose_refs(struct ref_cache *refs)
{
- if (!refs->did_loose) {
- get_ref_dir(refs, "refs/",
- &search_for_subdir(&refs->loose, "refs/", 1)->u.subdir);
- refs->did_loose = 1;
+ if (!refs->loose) {
+ refs->loose = create_dir_entry(refs, "");
+ read_loose_refs(refs, "refs/",
+ search_for_subdir(get_ref_dir(refs->loose),
+ "refs/", 1));
}
- return &refs->loose;
+ return get_ref_dir(refs->loose);
}
/* We allow "recursive" symbolic refs. Only within reason, though */