refs: rename "refname" variables

Try to consistently use the variable name "refname" when referring to
a string that names a reference.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michael Haggerty
2011-10-17 09:39:12 +02:00
committed by Junio C Hamano
parent 2a5b7a195c
commit 685dfe5009
2 changed files with 157 additions and 145 deletions

276
refs.c
View File

@@ -49,7 +49,7 @@ static const char *parse_ref_line(char *line, unsigned char *sha1)
return line;
}
static void add_ref(const char *name, const unsigned char *sha1,
static void add_ref(const char *refname, const unsigned char *sha1,
int flag, struct ref_array *refs,
struct ref_entry **new_entry)
{
@@ -57,13 +57,13 @@ static void add_ref(const char *name, const unsigned char *sha1,
struct ref_entry *entry;
/* Allocate it and add it in.. */
len = strlen(name) + 1;
len = strlen(refname) + 1;
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))
die("Reference has invalid format: '%s'", name);
memcpy(entry->name, name, len);
if (check_refname_format(refname, REFNAME_ALLOW_ONELEVEL|REFNAME_DOT_COMPONENT))
die("Reference has invalid format: '%s'", refname);
memcpy(entry->name, refname, len);
entry->flag = flag;
if (new_entry)
*new_entry = entry;
@@ -106,20 +106,20 @@ static void sort_ref_array(struct ref_array *array)
array->nr = i + 1;
}
static struct ref_entry *search_ref_array(struct ref_array *array, const char *name)
static struct ref_entry *search_ref_array(struct ref_array *array, const char *refname)
{
struct ref_entry *e, **r;
int len;
if (name == NULL)
if (refname == NULL)
return NULL;
if (!array->nr)
return NULL;
len = strlen(name) + 1;
len = strlen(refname) + 1;
e = xmalloc(sizeof(struct ref_entry) + len);
memcpy(e->name, name, len);
memcpy(e->name, refname, len);
r = bsearch(&e, array->refs, array->nr, sizeof(*array->refs), ref_entry_cmp);
@@ -223,7 +223,7 @@ static void read_packed_refs(FILE *f, struct ref_array *array)
while (fgets(refline, sizeof(refline), f)) {
unsigned char sha1[20];
const char *name;
const char *refname;
static const char header[] = "# pack-refs with:";
if (!strncmp(refline, header, sizeof(header)-1)) {
@@ -234,9 +234,9 @@ static void read_packed_refs(FILE *f, struct ref_array *array)
continue;
}
name = parse_ref_line(refline, sha1);
if (name) {
add_ref(name, sha1, flag, array, &last);
refname = parse_ref_line(refline, sha1);
if (refname) {
add_ref(refname, sha1, flag, array, &last);
continue;
}
if (last &&
@@ -249,9 +249,9 @@ static void read_packed_refs(FILE *f, struct ref_array *array)
sort_ref_array(array);
}
void add_extra_ref(const char *name, const unsigned char *sha1, int flag)
void add_extra_ref(const char *refname, const unsigned char *sha1, int flag)
{
add_ref(name, sha1, flag, &extra_refs, NULL);
add_ref(refname, sha1, flag, &extra_refs, NULL);
}
void clear_extra_refs(void)
@@ -397,7 +397,8 @@ static struct ref_array *get_loose_refs(const char *submodule)
#define MAXDEPTH 5
#define MAXREFLEN (1024)
static int resolve_gitlink_packed_ref(char *name, int pathlen, const char *refname, unsigned char *result)
static int resolve_gitlink_packed_ref(char *name, int pathlen,
const char *refname, unsigned char *result)
{
int retval = -1;
struct ref_entry *ref;
@@ -411,7 +412,9 @@ static int resolve_gitlink_packed_ref(char *name, int pathlen, const char *refna
return retval;
}
static int resolve_gitlink_ref_recursive(char *name, int pathlen, const char *refname, unsigned char *result, int recursion)
static int resolve_gitlink_ref_recursive(char *name, int pathlen,
const char *refname, unsigned char *result,
int recursion)
{
int fd, len = strlen(refname);
char buffer[128], *p;
@@ -478,10 +481,10 @@ int resolve_gitlink_ref(const char *path, const char *refname, unsigned char *re
* Try to read ref from the packed references. On success, set sha1
* and return 0; otherwise, return -1.
*/
static int get_packed_ref(const char *ref, unsigned char *sha1)
static int get_packed_ref(const char *refname, unsigned char *sha1)
{
struct ref_array *packed = get_packed_refs(NULL);
struct ref_entry *entry = search_ref_array(packed, ref);
struct ref_entry *entry = search_ref_array(packed, refname);
if (entry) {
hashcpy(sha1, entry->sha1);
return 0;
@@ -489,18 +492,18 @@ 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(const char *refname, unsigned char *sha1, int reading, int *flag)
{
int depth = MAXDEPTH;
ssize_t len;
char buffer[256];
static char ref_buffer[256];
static char refname_buffer[256];
char path[PATH_MAX];
if (flag)
*flag = 0;
if (check_refname_format(ref, REFNAME_ALLOW_ONELEVEL))
if (check_refname_format(refname, REFNAME_ALLOW_ONELEVEL))
return NULL;
for (;;) {
@@ -511,7 +514,7 @@ const char *resolve_ref(const char *ref, unsigned char *sha1, int reading, int *
if (--depth < 0)
return NULL;
git_snpath(path, sizeof(path), "%s", ref);
git_snpath(path, sizeof(path), "%s", refname);
if (lstat(path, &st) < 0) {
if (errno != ENOENT)
@@ -520,17 +523,17 @@ const char *resolve_ref(const char *ref, unsigned char *sha1, int reading, int *
* The loose reference file does not exist;
* check for a packed reference.
*/
if (!get_packed_ref(ref, sha1)) {
if (!get_packed_ref(refname, sha1)) {
if (flag)
*flag |= REF_ISPACKED;
return ref;
return refname;
}
/* The reference is not a packed reference, either. */
if (reading) {
return NULL;
} else {
hashclr(sha1);
return ref;
return refname;
}
}
@@ -542,8 +545,8 @@ const char *resolve_ref(const char *ref, unsigned char *sha1, int reading, int *
buffer[len] = 0;
if (!prefixcmp(buffer, "refs/") &&
!check_refname_format(buffer, 0)) {
strcpy(ref_buffer, buffer);
ref = ref_buffer;
strcpy(refname_buffer, buffer);
refname = refname_buffer;
if (flag)
*flag |= REF_ISSYMREF;
continue;
@@ -584,7 +587,7 @@ const char *resolve_ref(const char *ref, unsigned char *sha1, int reading, int *
path);
return NULL;
}
ref = strcpy(ref_buffer, buf);
refname = strcpy(refname_buffer, buf);
if (flag)
*flag |= REF_ISSYMREF;
}
@@ -593,7 +596,7 @@ const char *resolve_ref(const char *ref, unsigned char *sha1, int reading, int *
warning("reference in %s is formatted incorrectly", path);
return NULL;
}
return ref;
return refname;
}
/* The argument to filter_refs */
@@ -603,9 +606,9 @@ struct ref_filter {
void *cb_data;
};
int read_ref(const char *ref, unsigned char *sha1)
int read_ref(const char *refname, unsigned char *sha1)
{
if (resolve_ref(ref, sha1, 1, NULL))
if (resolve_ref(refname, sha1, 1, NULL))
return 0;
return -1;
}
@@ -629,23 +632,23 @@ static int do_one_ref(const char *base, each_ref_fn fn, int trim,
return fn(entry->name + trim, entry->sha1, entry->flag, cb_data);
}
static int filter_refs(const char *ref, const unsigned char *sha, int flags,
static int filter_refs(const char *refname, const unsigned char *sha, int flags,
void *data)
{
struct ref_filter *filter = (struct ref_filter *)data;
if (fnmatch(filter->pattern, ref, 0))
if (fnmatch(filter->pattern, refname, 0))
return 0;
return filter->fn(ref, sha, flags, filter->cb_data);
return filter->fn(refname, sha, flags, filter->cb_data);
}
int peel_ref(const char *ref, unsigned char *sha1)
int peel_ref(const char *refname, unsigned char *sha1)
{
int flag;
unsigned char base[20];
struct object *o;
if (current_ref && (current_ref->name == ref
|| !strcmp(current_ref->name, ref))) {
if (current_ref && (current_ref->name == refname
|| !strcmp(current_ref->name, refname))) {
if (current_ref->flag & REF_KNOWS_PEELED) {
hashcpy(sha1, current_ref->peeled);
return 0;
@@ -654,12 +657,12 @@ int peel_ref(const char *ref, unsigned char *sha1)
goto fallback;
}
if (!resolve_ref(ref, base, 1, &flag))
if (!resolve_ref(refname, base, 1, &flag))
return -1;
if ((flag & REF_ISPACKED)) {
struct ref_array *array = get_packed_refs(NULL);
struct ref_entry *r = search_ref_array(array, ref);
struct ref_entry *r = search_ref_array(array, refname);
if (r != NULL && r->flag & REF_KNOWS_PEELED) {
hashcpy(sha1, r->peeled);
@@ -670,7 +673,7 @@ int peel_ref(const char *ref, unsigned char *sha1)
fallback:
o = parse_object(base);
if (o && o->type == OBJ_TAG) {
o = deref_tag(o, ref, 0);
o = deref_tag(o, refname, 0);
if (o) {
hashcpy(sha1, o->sha1);
return 0;
@@ -900,16 +903,16 @@ static inline int bad_ref_char(int ch)
}
/*
* Try to read one refname component from the front of ref. Return
* Try to read one refname component from the front of refname. Return
* the length of the component found, or -1 if the component is not
* legal.
*/
static int check_refname_component(const char *ref, int flags)
static int check_refname_component(const char *refname, int flags)
{
const char *cp;
char last = '\0';
for (cp = ref; ; cp++) {
for (cp = refname; ; cp++) {
char ch = *cp;
if (ch == '\0' || ch == '/')
break;
@@ -921,34 +924,34 @@ static int check_refname_component(const char *ref, int flags)
return -1; /* Refname contains "@{". */
last = ch;
}
if (cp == ref)
if (cp == refname)
return -1; /* Component has zero length. */
if (ref[0] == '.') {
if (refname[0] == '.') {
if (!(flags & REFNAME_DOT_COMPONENT))
return -1; /* Component starts with '.'. */
/*
* Even if leading dots are allowed, don't allow "."
* as a component (".." is prevented by a rule above).
*/
if (ref[1] == '\0')
if (refname[1] == '\0')
return -1; /* Component equals ".". */
}
if (cp - ref >= 5 && !memcmp(cp - 5, ".lock", 5))
if (cp - refname >= 5 && !memcmp(cp - 5, ".lock", 5))
return -1; /* Refname ends with ".lock". */
return cp - ref;
return cp - refname;
}
int check_refname_format(const char *ref, int flags)
int check_refname_format(const char *refname, int flags)
{
int component_len, component_count = 0;
while (1) {
/* We are at the start of a path component. */
component_len = check_refname_component(ref, flags);
component_len = check_refname_component(refname, flags);
if (component_len < 0) {
if ((flags & REFNAME_REFSPEC_PATTERN) &&
ref[0] == '*' &&
(ref[1] == '\0' || ref[1] == '/')) {
refname[0] == '*' &&
(refname[1] == '\0' || refname[1] == '/')) {
/* Accept one wildcard as a full refname component. */
flags &= ~REFNAME_REFSPEC_PATTERN;
component_len = 1;
@@ -957,13 +960,13 @@ int check_refname_format(const char *ref, int flags)
}
}
component_count++;
if (ref[component_len] == '\0')
if (refname[component_len] == '\0')
break;
/* Skip to next component. */
ref += component_len + 1;
refname += component_len + 1;
}
if (ref[component_len - 1] == '.')
if (refname[component_len - 1] == '.')
return -1; /* Refname ends with '.'. */
if (!(flags & REFNAME_ALLOW_ONELEVEL) && component_count < 2)
return -1; /* Refname has only one component. */
@@ -1046,22 +1049,22 @@ static int remove_empty_directories(const char *file)
return result;
}
static int is_refname_available(const char *ref, const char *oldref,
static int is_refname_available(const char *refname, const char *oldrefname,
struct ref_array *array, int quiet)
{
int i, namlen = strlen(ref); /* e.g. 'foo/bar' */
int i, namlen = strlen(refname); /* e.g. 'foo/bar' */
for (i = 0; i < array->nr; i++ ) {
struct ref_entry *entry = array->refs[i];
/* entry->name could be 'foo' or 'foo/bar/baz' */
if (!oldref || strcmp(oldref, entry->name)) {
if (!oldrefname || strcmp(oldrefname, entry->name)) {
int len = strlen(entry->name);
int cmplen = (namlen < len) ? namlen : len;
const char *lead = (namlen < len) ? entry->name : ref;
if (!strncmp(ref, entry->name, cmplen) &&
const char *lead = (namlen < len) ? entry->name : refname;
if (!strncmp(refname, entry->name, cmplen) &&
lead[cmplen] == '/') {
if (!quiet)
error("'%s' exists; cannot create '%s'",
entry->name, ref);
entry->name, refname);
return 0;
}
}
@@ -1069,10 +1072,12 @@ static int is_refname_available(const char *ref, const char *oldref,
return 1;
}
static struct ref_lock *lock_ref_sha1_basic(const char *ref, const unsigned char *old_sha1, int flags, int *type_p)
static struct ref_lock *lock_ref_sha1_basic(const char *refname,
const unsigned char *old_sha1,
int flags, int *type_p)
{
char *ref_file;
const char *orig_ref = ref;
const char *orig_refname = refname;
struct ref_lock *lock;
int last_errno = 0;
int type, lflags;
@@ -1082,27 +1087,27 @@ 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);
if (!ref && errno == EISDIR) {
refname = resolve_ref(refname, lock->old_sha1, mustexist, &type);
if (!refname && errno == EISDIR) {
/* we are trying to lock foo but we used to
* have foo/bar which now does not exist;
* it is normal for the empty directory 'foo'
* to remain.
*/
ref_file = git_path("%s", orig_ref);
ref_file = git_path("%s", orig_refname);
if (remove_empty_directories(ref_file)) {
last_errno = errno;
error("there are still refs under '%s'", orig_ref);
error("there are still refs under '%s'", orig_refname);
goto error_return;
}
ref = resolve_ref(orig_ref, lock->old_sha1, mustexist, &type);
refname = resolve_ref(orig_refname, lock->old_sha1, mustexist, &type);
}
if (type_p)
*type_p = type;
if (!ref) {
if (!refname) {
last_errno = errno;
error("unable to resolve reference %s: %s",
orig_ref, strerror(errno));
orig_refname, strerror(errno));
goto error_return;
}
missing = is_null_sha1(lock->old_sha1);
@@ -1112,7 +1117,7 @@ static struct ref_lock *lock_ref_sha1_basic(const char *ref, const unsigned char
* name is a proper prefix of our refname.
*/
if (missing &&
!is_refname_available(ref, NULL, get_packed_refs(NULL), 0)) {
!is_refname_available(refname, NULL, get_packed_refs(NULL), 0)) {
last_errno = ENOTDIR;
goto error_return;
}
@@ -1121,12 +1126,12 @@ static struct ref_lock *lock_ref_sha1_basic(const char *ref, const unsigned char
lflags = LOCK_DIE_ON_ERROR;
if (flags & REF_NODEREF) {
ref = orig_ref;
refname = orig_refname;
lflags |= LOCK_NODEREF;
}
lock->ref_name = xstrdup(ref);
lock->orig_ref_name = xstrdup(orig_ref);
ref_file = git_path("%s", ref);
lock->ref_name = xstrdup(refname);
lock->orig_ref_name = xstrdup(orig_refname);
ref_file = git_path("%s", refname);
if (missing)
lock->force_write = 1;
if ((flags & REF_NODEREF) && (type & REF_ISSYMREF))
@@ -1147,20 +1152,21 @@ static struct ref_lock *lock_ref_sha1_basic(const char *ref, const unsigned char
return NULL;
}
struct ref_lock *lock_ref_sha1(const char *ref, const unsigned char *old_sha1)
struct ref_lock *lock_ref_sha1(const char *refname, const unsigned char *old_sha1)
{
char refpath[PATH_MAX];
if (check_refname_format(ref, 0))
if (check_refname_format(refname, 0))
return NULL;
strcpy(refpath, mkpath("refs/%s", ref));
strcpy(refpath, mkpath("refs/%s", refname));
return lock_ref_sha1_basic(refpath, old_sha1, 0, NULL);
}
struct ref_lock *lock_any_ref_for_update(const char *ref, const unsigned char *old_sha1, int flags)
struct ref_lock *lock_any_ref_for_update(const char *refname,
const unsigned char *old_sha1, int flags)
{
if (check_refname_format(ref, REFNAME_ALLOW_ONELEVEL))
if (check_refname_format(refname, REFNAME_ALLOW_ONELEVEL))
return NULL;
return lock_ref_sha1_basic(ref, old_sha1, flags, NULL);
return lock_ref_sha1_basic(refname, old_sha1, flags, NULL);
}
static struct lock_file packlock;
@@ -1246,30 +1252,30 @@ int delete_ref(const char *refname, const unsigned char *sha1, int delopt)
*/
#define TMP_RENAMED_LOG "logs/refs/.tmp-renamed-log"
int rename_ref(const char *oldref, const char *newref, const char *logmsg)
int rename_ref(const char *oldrefname, const char *newrefname, const char *logmsg)
{
static const char renamed_ref[] = "RENAMED-REF";
unsigned char sha1[20], orig_sha1[20];
int flag = 0, logmoved = 0;
struct ref_lock *lock;
struct stat loginfo;
int log = !lstat(git_path("logs/%s", oldref), &loginfo);
int log = !lstat(git_path("logs/%s", oldrefname), &loginfo);
const char *symref = NULL;
if (log && S_ISLNK(loginfo.st_mode))
return error("reflog for %s is a symlink", oldref);
return error("reflog for %s is a symlink", oldrefname);
symref = resolve_ref(oldref, orig_sha1, 1, &flag);
symref = resolve_ref(oldrefname, orig_sha1, 1, &flag);
if (flag & REF_ISSYMREF)
return error("refname %s is a symbolic ref, renaming it is not supported",
oldref);
oldrefname);
if (!symref)
return error("refname %s not found", oldref);
return error("refname %s not found", oldrefname);
if (!is_refname_available(newref, oldref, get_packed_refs(NULL), 0))
if (!is_refname_available(newrefname, oldrefname, get_packed_refs(NULL), 0))
return 1;
if (!is_refname_available(newref, oldref, get_loose_refs(NULL), 0))
if (!is_refname_available(newrefname, oldrefname, get_loose_refs(NULL), 0))
return 1;
lock = lock_ref_sha1_basic(renamed_ref, NULL, 0, NULL);
@@ -1279,71 +1285,71 @@ int rename_ref(const char *oldref, const char *newref, const char *logmsg)
if (write_ref_sha1(lock, orig_sha1, logmsg))
return error("unable to save current sha1 in %s", renamed_ref);
if (log && rename(git_path("logs/%s", oldref), git_path(TMP_RENAMED_LOG)))
if (log && rename(git_path("logs/%s", oldrefname), git_path(TMP_RENAMED_LOG)))
return error("unable to move logfile logs/%s to "TMP_RENAMED_LOG": %s",
oldref, strerror(errno));
oldrefname, strerror(errno));
if (delete_ref(oldref, orig_sha1, REF_NODEREF)) {
error("unable to delete old %s", oldref);
if (delete_ref(oldrefname, orig_sha1, REF_NODEREF)) {
error("unable to delete old %s", oldrefname);
goto rollback;
}
if (resolve_ref(newref, sha1, 1, &flag) && delete_ref(newref, sha1, REF_NODEREF)) {
if (resolve_ref(newrefname, sha1, 1, &flag) && delete_ref(newrefname, sha1, REF_NODEREF)) {
if (errno==EISDIR) {
if (remove_empty_directories(git_path("%s", newref))) {
error("Directory not empty: %s", newref);
if (remove_empty_directories(git_path("%s", newrefname))) {
error("Directory not empty: %s", newrefname);
goto rollback;
}
} else {
error("unable to delete existing %s", newref);
error("unable to delete existing %s", newrefname);
goto rollback;
}
}
if (log && safe_create_leading_directories(git_path("logs/%s", newref))) {
error("unable to create directory for %s", newref);
if (log && safe_create_leading_directories(git_path("logs/%s", newrefname))) {
error("unable to create directory for %s", newrefname);
goto rollback;
}
retry:
if (log && rename(git_path(TMP_RENAMED_LOG), git_path("logs/%s", newref))) {
if (log && rename(git_path(TMP_RENAMED_LOG), git_path("logs/%s", newrefname))) {
if (errno==EISDIR || errno==ENOTDIR) {
/*
* rename(a, b) when b is an existing
* directory ought to result in ISDIR, but
* Solaris 5.8 gives ENOTDIR. Sheesh.
*/
if (remove_empty_directories(git_path("logs/%s", newref))) {
error("Directory not empty: logs/%s", newref);
if (remove_empty_directories(git_path("logs/%s", newrefname))) {
error("Directory not empty: logs/%s", newrefname);
goto rollback;
}
goto retry;
} else {
error("unable to move logfile "TMP_RENAMED_LOG" to logs/%s: %s",
newref, strerror(errno));
newrefname, strerror(errno));
goto rollback;
}
}
logmoved = log;
lock = lock_ref_sha1_basic(newref, NULL, 0, NULL);
lock = lock_ref_sha1_basic(newrefname, NULL, 0, NULL);
if (!lock) {
error("unable to lock %s for update", newref);
error("unable to lock %s for update", newrefname);
goto rollback;
}
lock->force_write = 1;
hashcpy(lock->old_sha1, orig_sha1);
if (write_ref_sha1(lock, orig_sha1, logmsg)) {
error("unable to write current sha1 into %s", newref);
error("unable to write current sha1 into %s", newrefname);
goto rollback;
}
return 0;
rollback:
lock = lock_ref_sha1_basic(oldref, NULL, 0, NULL);
lock = lock_ref_sha1_basic(oldrefname, NULL, 0, NULL);
if (!lock) {
error("unable to lock %s for rollback", oldref);
error("unable to lock %s for rollback", oldrefname);
goto rollbacklog;
}
@@ -1351,17 +1357,17 @@ int rename_ref(const char *oldref, const char *newref, const char *logmsg)
flag = log_all_ref_updates;
log_all_ref_updates = 0;
if (write_ref_sha1(lock, orig_sha1, NULL))
error("unable to write current sha1 into %s", oldref);
error("unable to write current sha1 into %s", oldrefname);
log_all_ref_updates = flag;
rollbacklog:
if (logmoved && rename(git_path("logs/%s", newref), git_path("logs/%s", oldref)))
if (logmoved && rename(git_path("logs/%s", newrefname), git_path("logs/%s", oldrefname)))
error("unable to restore logfile %s from %s: %s",
oldref, newref, strerror(errno));
oldrefname, newrefname, strerror(errno));
if (!logmoved && log &&
rename(git_path(TMP_RENAMED_LOG), git_path("logs/%s", oldref)))
rename(git_path(TMP_RENAMED_LOG), git_path("logs/%s", oldrefname)))
error("unable to restore logfile %s from "TMP_RENAMED_LOG": %s",
oldref, strerror(errno));
oldrefname, strerror(errno));
return 1;
}
@@ -1418,16 +1424,16 @@ static int copy_msg(char *buf, const char *msg)
return cp - buf;
}
int log_ref_setup(const char *ref_name, char *logfile, int bufsize)
int log_ref_setup(const char *refname, char *logfile, int bufsize)
{
int logfd, oflags = O_APPEND | O_WRONLY;
git_snpath(logfile, bufsize, "logs/%s", ref_name);
git_snpath(logfile, bufsize, "logs/%s", refname);
if (log_all_ref_updates &&
(!prefixcmp(ref_name, "refs/heads/") ||
!prefixcmp(ref_name, "refs/remotes/") ||
!prefixcmp(ref_name, "refs/notes/") ||
!strcmp(ref_name, "HEAD"))) {
(!prefixcmp(refname, "refs/heads/") ||
!prefixcmp(refname, "refs/remotes/") ||
!prefixcmp(refname, "refs/notes/") ||
!strcmp(refname, "HEAD"))) {
if (safe_create_leading_directories(logfile) < 0)
return error("unable to create directory for %s",
logfile);
@@ -1457,7 +1463,7 @@ int log_ref_setup(const char *ref_name, char *logfile, int bufsize)
return 0;
}
static int log_ref_write(const char *ref_name, const unsigned char *old_sha1,
static int log_ref_write(const char *refname, const unsigned char *old_sha1,
const unsigned char *new_sha1, const char *msg)
{
int logfd, result, written, oflags = O_APPEND | O_WRONLY;
@@ -1470,7 +1476,7 @@ static int log_ref_write(const char *ref_name, const unsigned char *old_sha1,
if (log_all_ref_updates < 0)
log_all_ref_updates = !is_bare_repository();
result = log_ref_setup(ref_name, log_file, sizeof(log_file));
result = log_ref_setup(refname, log_file, sizeof(log_file));
if (result)
return result;
@@ -1641,7 +1647,9 @@ static char *ref_msg(const char *line, const char *endp)
return xmemdupz(line, ep - line);
}
int read_ref_at(const char *ref, unsigned long at_time, int cnt, unsigned char *sha1, char **msg, unsigned long *cutoff_time, int *cutoff_tz, int *cutoff_cnt)
int read_ref_at(const char *refname, unsigned long at_time, int cnt,
unsigned char *sha1, char **msg,
unsigned long *cutoff_time, int *cutoff_tz, int *cutoff_cnt)
{
const char *logfile, *logdata, *logend, *rec, *lastgt, *lastrec;
char *tz_c;
@@ -1652,7 +1660,7 @@ int read_ref_at(const char *ref, unsigned long at_time, int cnt, unsigned char *
void *log_mapped;
size_t mapsz;
logfile = git_path("logs/%s", ref);
logfile = git_path("logs/%s", refname);
logfd = open(logfile, O_RDONLY, 0);
if (logfd < 0)
die_errno("Unable to read log '%s'", logfile);
@@ -1745,14 +1753,14 @@ int read_ref_at(const char *ref, unsigned long at_time, int cnt, unsigned char *
return 1;
}
int for_each_recent_reflog_ent(const char *ref, each_reflog_ent_fn fn, long ofs, void *cb_data)
int for_each_recent_reflog_ent(const char *refname, each_reflog_ent_fn fn, long ofs, void *cb_data)
{
const char *logfile;
FILE *logfp;
struct strbuf sb = STRBUF_INIT;
int ret = 0;
logfile = git_path("logs/%s", ref);
logfile = git_path("logs/%s", refname);
logfp = fopen(logfile, "r");
if (!logfp)
return -1;
@@ -1803,9 +1811,9 @@ int for_each_recent_reflog_ent(const char *ref, each_reflog_ent_fn fn, long ofs,
return ret;
}
int for_each_reflog_ent(const char *ref, each_reflog_ent_fn fn, void *cb_data)
int for_each_reflog_ent(const char *refname, each_reflog_ent_fn fn, void *cb_data)
{
return for_each_recent_reflog_ent(ref, fn, 0, cb_data);
return for_each_recent_reflog_ent(refname, fn, 0, cb_data);
}
static int do_for_each_reflog(const char *base, each_ref_fn fn, void *cb_data)
@@ -1925,7 +1933,7 @@ static void gen_scanf_fmt(char *scanf_fmt, const char *rule)
return;
}
char *shorten_unambiguous_ref(const char *ref, int strict)
char *shorten_unambiguous_ref(const char *refname, int strict)
{
int i;
static char **scanf_fmts;
@@ -1954,10 +1962,10 @@ char *shorten_unambiguous_ref(const char *ref, int strict)
/* bail out if there are no rules */
if (!nr_rules)
return xstrdup(ref);
return xstrdup(refname);
/* buffer for scanf result, at most ref must fit */
short_name = xstrdup(ref);
/* buffer for scanf result, at most refname must fit */
short_name = xstrdup(refname);
/* skip first rule, it will always match */
for (i = nr_rules - 1; i > 0 ; --i) {
@@ -1965,7 +1973,7 @@ char *shorten_unambiguous_ref(const char *ref, int strict)
int rules_to_fail = i;
int short_name_len;
if (1 != sscanf(ref, scanf_fmts[i], short_name))
if (1 != sscanf(refname, scanf_fmts[i], short_name))
continue;
short_name_len = strlen(short_name);
@@ -2010,5 +2018,5 @@ char *shorten_unambiguous_ref(const char *ref, int strict)
}
free(short_name);
return xstrdup(ref);
return xstrdup(refname);
}

26
refs.h
View File

@@ -59,14 +59,16 @@ extern void add_extra_ref(const char *refname, const unsigned char *sha1, int fl
extern void clear_extra_refs(void);
extern int ref_exists(const char *);
extern int peel_ref(const char *, unsigned char *);
extern int peel_ref(const char *refname, unsigned char *sha1);
/** Locks a "refs/" ref returning the lock on success and NULL on failure. **/
extern struct ref_lock *lock_ref_sha1(const char *ref, const unsigned char *old_sha1);
extern struct ref_lock *lock_ref_sha1(const char *refname, const unsigned char *old_sha1);
/** Locks any ref (for 'HEAD' type refs). */
#define REF_NODEREF 0x01
extern struct ref_lock *lock_any_ref_for_update(const char *ref, const unsigned char *old_sha1, int flags);
extern struct ref_lock *lock_any_ref_for_update(const char *refname,
const unsigned char *old_sha1,
int flags);
/** Close the file descriptor owned by a lock and return the status */
extern int close_ref(struct ref_lock *lock);
@@ -92,12 +94,14 @@ extern void invalidate_ref_cache(const char *submodule);
int log_ref_setup(const char *ref_name, char *logfile, int bufsize);
/** Reads log for the value of ref during at_time. **/
extern int read_ref_at(const char *ref, unsigned long at_time, int cnt, unsigned char *sha1, char **msg, unsigned long *cutoff_time, int *cutoff_tz, int *cutoff_cnt);
extern int read_ref_at(const char *refname, unsigned long at_time, int cnt,
unsigned char *sha1, char **msg,
unsigned long *cutoff_time, int *cutoff_tz, int *cutoff_cnt);
/* iterate over reflog entries */
typedef int each_reflog_ent_fn(unsigned char *osha1, unsigned char *nsha1, const char *, unsigned long, int, const char *, void *);
int for_each_reflog_ent(const char *ref, each_reflog_ent_fn fn, void *cb_data);
int for_each_recent_reflog_ent(const char *ref, each_reflog_ent_fn fn, long, void *cb_data);
int for_each_reflog_ent(const char *refname, each_reflog_ent_fn fn, void *cb_data);
int for_each_recent_reflog_ent(const char *refname, each_reflog_ent_fn fn, long, void *cb_data);
/*
* Calls the specified function for each reflog file until it returns nonzero,
@@ -110,9 +114,9 @@ extern int for_each_reflog(each_ref_fn, void *);
#define REFNAME_DOT_COMPONENT 4
/*
* Return 0 iff ref has the correct format for a refname according to
* the rules described in Documentation/git-check-ref-format.txt. If
* REFNAME_ALLOW_ONELEVEL is set in flags, then accept one-level
* Return 0 iff refname has the correct format for a refname according
* to the rules described in Documentation/git-check-ref-format.txt.
* If REFNAME_ALLOW_ONELEVEL is set in flags, then accept one-level
* reference names. If REFNAME_REFSPEC_PATTERN is set in flags, then
* allow a "*" wildcard character in place of one of the name
* components. No leading or repeated slashes are accepted. If
@@ -120,10 +124,10 @@ extern int for_each_reflog(each_ref_fn, void *);
* components to start with "." (but not a whole component equal to
* "." or "..").
*/
extern int check_refname_format(const char *ref, int flags);
extern int check_refname_format(const char *refname, int flags);
extern const char *prettify_refname(const char *refname);
extern char *shorten_unambiguous_ref(const char *ref, int strict);
extern char *shorten_unambiguous_ref(const char *refname, int strict);
/** rename ref, return 0 on success **/
extern int rename_ref(const char *oldref, const char *newref, const char *logmsg);