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>

Michael Haggerty committed Dec 12, 2011 at 06:38 UTC dfefa935ae050d859022017bf9d5d23f4238a7e5
3 files changed +175 -163
cache.h
+3 -3
@@ -831,9 +831,9 @@ static inline int get_sha1_with_context(const char *str, unsigned char *sha1, st
831 extern int get_sha1_hex(const char *hex, unsigned char *sha1);
832
833 extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */
834 -extern int read_ref_full(const char *filename, unsigned char *sha1,
834 +extern int read_ref_full(const char *refname, unsigned char *sha1,
835 int reading, int *flags);
836 -extern int read_ref(const char *filename, unsigned char *sha1);
836 +extern int read_ref(const char *refname, unsigned char *sha1);
837
838 /*
839 * Resolve a reference, recursively following symbolic refererences.
@@ -865,7 +865,7 @@ extern int read_ref(const char *filename, unsigned char *sha1);
865 *
866 * errno is sometimes set on errors, but not always.
867 */
868 -extern const char *resolve_ref(const char *ref, unsigned char *sha1, int reading, int *flag);
868 +extern const char *resolve_ref(const char *refname, unsigned char *sha1, int reading, int *flag);
869
870 extern int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref);
871 extern int dwim_log(const char *str, int len, unsigned char *sha1, char **ref);
refs.c
+157 -149
@@ -48,7 +48,7 @@ static const char *parse_ref_line(char *line, unsigned char *sha1)
48 return line;
49 }
50
51 -static void add_ref(const char *name, const unsigned char *sha1,
51 +static void add_ref(const char *refname, const unsigned char *sha1,
52 int flag, int check_name, struct ref_array *refs,
53 struct ref_entry **new_entry)
54 {
@@ -56,14 +56,14 @@ static void add_ref(const char *name, const unsigned char *sha1,
56 struct ref_entry *entry;
57
58 /* Allocate it and add it in.. */
59 - len = strlen(name) + 1;
59 + len = strlen(refname) + 1;
60 entry = xmalloc(sizeof(struct ref_entry) + len);
61 hashcpy(entry->sha1, sha1);
62 hashclr(entry->peeled);
63 if (check_name &&
64 - check_refname_format(name, REFNAME_ALLOW_ONELEVEL|REFNAME_DOT_COMPONENT))
65 - die("Reference has invalid format: '%s'", name);
66 - memcpy(entry->name, name, len);
64 + check_refname_format(refname, REFNAME_ALLOW_ONELEVEL|REFNAME_DOT_COMPONENT))
65 + die("Reference has invalid format: '%s'", refname);
66 + memcpy(entry->name, refname, len);
67 entry->flag = flag;
68 if (new_entry)
69 *new_entry = entry;
@@ -106,20 +106,20 @@ static void sort_ref_array(struct ref_array *array)
106 array->nr = i + 1;
107 }
108
109 -static struct ref_entry *search_ref_array(struct ref_array *array, const char *name)
109 +static struct ref_entry *search_ref_array(struct ref_array *array, const char *refname)
110 {
111 struct ref_entry *e, **r;
112 int len;
113
114 - if (name == NULL)
114 + if (refname == NULL)
115 return NULL;
116
117 if (!array->nr)
118 return NULL;
119
120 - len = strlen(name) + 1;
120 + len = strlen(refname) + 1;
121 e = xmalloc(sizeof(struct ref_entry) + len);
122 - memcpy(e->name, name, len);
122 + memcpy(e->name, refname, len);
123
124 r = bsearch(&e, array->refs, array->nr, sizeof(*array->refs), ref_entry_cmp);
125
@@ -223,7 +223,7 @@ static void read_packed_refs(FILE *f, struct ref_array *array)
223
224 while (fgets(refline, sizeof(refline), f)) {
225 unsigned char sha1[20];
226 - const char *name;
226 + const char *refname;
227 static const char header[] = "# pack-refs with:";
228
229 if (!strncmp(refline, header, sizeof(header)-1)) {
@@ -234,9 +234,9 @@ static void read_packed_refs(FILE *f, struct ref_array *array)
234 continue;
235 }
236
237 - name = parse_ref_line(refline, sha1);
238 - if (name) {
239 - add_ref(name, sha1, flag, 1, array, &last);
237 + refname = parse_ref_line(refline, sha1);
238 + if (refname) {
239 + add_ref(refname, sha1, flag, 1, array, &last);
240 continue;
241 }
242 if (last &&
@@ -249,9 +249,9 @@ static void read_packed_refs(FILE *f, struct ref_array *array)
249 sort_ref_array(array);
250 }
251
252 -void add_extra_ref(const char *name, const unsigned char *sha1, int flag)
252 +void add_extra_ref(const char *refname, const unsigned char *sha1, int flag)
253 {
254 - add_ref(name, sha1, flag, 0, &extra_refs, NULL);
254 + add_ref(refname, sha1, flag, 0, &extra_refs, NULL);
255 }
256
257 void clear_extra_refs(void)
@@ -298,11 +298,11 @@ static void get_ref_dir(const char *submodule, const char *base,
298 if (dir) {
299 struct dirent *de;
300 int baselen = strlen(base);
301 - char *ref = xmalloc(baselen + 257);
301 + char *refname = xmalloc(baselen + 257);
302
303 - memcpy(ref, base, baselen);
303 + memcpy(refname, base, baselen);
304 if (baselen && base[baselen-1] != '/')
305 - ref[baselen++] = '/';
305 + refname[baselen++] = '/';
306
307 while ((de = readdir(dir)) != NULL) {
308 unsigned char sha1[20];
@@ -318,30 +318,30 @@ static void get_ref_dir(const char *submodule, const char *base,
318 continue;
319 if (has_extension(de->d_name, ".lock"))
320 continue;
321 - memcpy(ref + baselen, de->d_name, namelen+1);
321 + memcpy(refname + baselen, de->d_name, namelen+1);
322 refdir = submodule
323 - ? git_path_submodule(submodule, "%s", ref)
324 - : git_path("%s", ref);
323 + ? git_path_submodule(submodule, "%s", refname)
324 + : git_path("%s", refname);
325 if (stat(refdir, &st) < 0)
326 continue;
327 if (S_ISDIR(st.st_mode)) {
328 - get_ref_dir(submodule, ref, array);
328 + get_ref_dir(submodule, refname, array);
329 continue;
330 }
331 if (submodule) {
332 hashclr(sha1);
333 flag = 0;
334 - if (resolve_gitlink_ref(submodule, ref, sha1) < 0) {
334 + if (resolve_gitlink_ref(submodule, refname, sha1) < 0) {
335 hashclr(sha1);
336 flag |= REF_ISBROKEN;
337 }
338 - } else if (read_ref_full(ref, sha1, 1, &flag)) {
338 + } else if (read_ref_full(refname, sha1, 1, &flag)) {
339 hashclr(sha1);
340 flag |= REF_ISBROKEN;
341 }
342 - add_ref(ref, sha1, flag, 1, array, NULL);
342 + add_ref(refname, sha1, flag, 1, array, NULL);
343 }
344 - free(ref);
344 + free(refname);
345 closedir(dir);
346 }
347 }
@@ -401,7 +401,8 @@ static struct ref_array *get_loose_refs(const char *submodule)
401 * from "name", which is "module/.git/<refname>". Find <refname> in
402 * the packed-refs file for the submodule.
403 */
404 -static int resolve_gitlink_packed_ref(char *name, int pathlen, const char *refname, unsigned char *result)
404 +static int resolve_gitlink_packed_ref(char *name, int pathlen,
405 + const char *refname, unsigned char *result)
406 {
407 int retval = -1;
408 struct ref_entry *ref;
@@ -420,7 +421,9 @@ static int resolve_gitlink_packed_ref(char *name, int pathlen, const char *refna
421 return retval;
422 }
423
423 -static int resolve_gitlink_ref_recursive(char *name, int pathlen, const char *refname, unsigned char *result, int recursion)
424 +static int resolve_gitlink_ref_recursive(char *name, int pathlen,
425 + const char *refname, unsigned char *result,
426 + int recursion)
427 {
428 int fd, len = strlen(refname);
429 char buffer[128], *p;
@@ -487,10 +490,10 @@ int resolve_gitlink_ref(const char *path, const char *refname, unsigned char *re
490 * Try to read ref from the packed references. On success, set sha1
491 * and return 0; otherwise, return -1.
492 */
490 -static int get_packed_ref(const char *ref, unsigned char *sha1)
493 +static int get_packed_ref(const char *refname, unsigned char *sha1)
494 {
495 struct ref_array *packed = get_packed_refs(NULL);
493 - struct ref_entry *entry = search_ref_array(packed, ref);
496 + struct ref_entry *entry = search_ref_array(packed, refname);
497 if (entry) {
498 hashcpy(sha1, entry->sha1);
499 return 0;
@@ -498,17 +501,17 @@ static int get_packed_ref(const char *ref, unsigned char *sha1)
501 return -1;
502 }
503
501 -const char *resolve_ref(const char *ref, unsigned char *sha1, int reading, int *flag)
504 +const char *resolve_ref(const char *refname, unsigned char *sha1, int reading, int *flag)
505 {
506 int depth = MAXDEPTH;
507 ssize_t len;
508 char buffer[256];
506 - static char ref_buffer[256];
509 + static char refname_buffer[256];
510
511 if (flag)
512 *flag = 0;
513
511 - if (check_refname_format(ref, REFNAME_ALLOW_ONELEVEL))
514 + if (check_refname_format(refname, REFNAME_ALLOW_ONELEVEL))
515 return NULL;
516
517 for (;;) {
@@ -520,7 +523,7 @@ const char *resolve_ref(const char *ref, unsigned char *sha1, int reading, int *
523 if (--depth < 0)
524 return NULL;
525
523 - git_snpath(path, sizeof(path), "%s", ref);
526 + git_snpath(path, sizeof(path), "%s", refname);
527
528 if (lstat(path, &st) < 0) {
529 if (errno != ENOENT)
@@ -529,17 +532,17 @@ const char *resolve_ref(const char *ref, unsigned char *sha1, int reading, int *
532 * The loose reference file does not exist;
533 * check for a packed reference.
534 */
532 - if (!get_packed_ref(ref, sha1)) {
535 + if (!get_packed_ref(refname, sha1)) {
536 if (flag)
537 *flag |= REF_ISPACKED;
535 - return ref;
538 + return refname;
539 }
540 /* The reference is not a packed reference, either. */
541 if (reading) {
542 return NULL;
543 } else {
544 hashclr(sha1);
542 - return ref;
545 + return refname;
546 }
547 }
548
@@ -551,8 +554,8 @@ const char *resolve_ref(const char *ref, unsigned char *sha1, int reading, int *
554 buffer[len] = 0;
555 if (!prefixcmp(buffer, "refs/") &&
556 !check_refname_format(buffer, 0)) {
554 - strcpy(ref_buffer, buffer);
555 - ref = ref_buffer;
557 + strcpy(refname_buffer, buffer);
558 + refname = refname_buffer;
559 if (flag)
560 *flag |= REF_ISSYMREF;
561 continue;
@@ -595,7 +598,7 @@ const char *resolve_ref(const char *ref, unsigned char *sha1, int reading, int *
598 *flag |= REF_ISBROKEN;
599 return NULL;
600 }
598 - ref = strcpy(ref_buffer, buf);
601 + refname = strcpy(refname_buffer, buf);
602 }
603 /* Please note that FETCH_HEAD has a second line containing other data. */
604 if (get_sha1_hex(buffer, sha1) || (buffer[40] != '\0' && !isspace(buffer[40]))) {
@@ -603,7 +606,7 @@ const char *resolve_ref(const char *ref, unsigned char *sha1, int reading, int *
606 *flag |= REF_ISBROKEN;
607 return NULL;
608 }
606 - return ref;
609 + return refname;
610 }
611
612 /* The argument to filter_refs */
@@ -613,16 +616,16 @@ struct ref_filter {
616 void *cb_data;
617 };
618
616 -int read_ref_full(const char *ref, unsigned char *sha1, int reading, int *flags)
619 +int read_ref_full(const char *refname, unsigned char *sha1, int reading, int *flags)
620 {
618 - if (resolve_ref(ref, sha1, reading, flags))
621 + if (resolve_ref(refname, sha1, reading, flags))
622 return 0;
623 return -1;
624 }
625
623 -int read_ref(const char *ref, unsigned char *sha1)
626 +int read_ref(const char *refname, unsigned char *sha1)
627 {
625 - return read_ref_full(ref, sha1, 1, NULL);
628 + return read_ref_full(refname, sha1, 1, NULL);
629 }
630
631 #define DO_FOR_EACH_INCLUDE_BROKEN 01
@@ -644,23 +647,23 @@ static int do_one_ref(const char *base, each_ref_fn fn, int trim,
647 return fn(entry->name + trim, entry->sha1, entry->flag, cb_data);
648 }
649
647 -static int filter_refs(const char *ref, const unsigned char *sha, int flags,
648 - void *data)
650 +static int filter_refs(const char *refname, const unsigned char *sha, int flags,
651 + void *data)
652 {
653 struct ref_filter *filter = (struct ref_filter *)data;
651 - if (fnmatch(filter->pattern, ref, 0))
654 + if (fnmatch(filter->pattern, refname, 0))
655 return 0;
653 - return filter->fn(ref, sha, flags, filter->cb_data);
656 + return filter->fn(refname, sha, flags, filter->cb_data);
657 }
658
656 -int peel_ref(const char *ref, unsigned char *sha1)
659 +int peel_ref(const char *refname, unsigned char *sha1)
660 {
661 int flag;
662 unsigned char base[20];
663 struct object *o;
664
662 - if (current_ref && (current_ref->name == ref
663 - || !strcmp(current_ref->name, ref))) {
665 + if (current_ref && (current_ref->name == refname
666 + || !strcmp(current_ref->name, refname))) {
667 if (current_ref->flag & REF_KNOWS_PEELED) {
668 hashcpy(sha1, current_ref->peeled);
669 return 0;
@@ -669,12 +672,12 @@ int peel_ref(const char *ref, unsigned char *sha1)
672 goto fallback;
673 }
674
672 - if (read_ref_full(ref, base, 1, &flag))
675 + if (read_ref_full(refname, base, 1, &flag))
676 return -1;
677
678 if ((flag & REF_ISPACKED)) {
679 struct ref_array *array = get_packed_refs(NULL);
677 - struct ref_entry *r = search_ref_array(array, ref);
680 + struct ref_entry *r = search_ref_array(array, refname);
681
682 if (r != NULL && r->flag & REF_KNOWS_PEELED) {
683 hashcpy(sha1, r->peeled);
@@ -685,7 +688,7 @@ int peel_ref(const char *ref, unsigned char *sha1)
688 fallback:
689 o = parse_object(base);
690 if (o && o->type == OBJ_TAG) {
688 - o = deref_tag(o, ref, 0);
691 + o = deref_tag(o, refname, 0);
692 if (o) {
693 hashcpy(sha1, o->sha1);
694 return 0;
@@ -915,16 +918,16 @@ static inline int bad_ref_char(int ch)
918 }
919
920 /*
918 - * Try to read one refname component from the front of ref. Return
921 + * Try to read one refname component from the front of refname. Return
922 * the length of the component found, or -1 if the component is not
923 * legal.
924 */
922 -static int check_refname_component(const char *ref, int flags)
925 +static int check_refname_component(const char *refname, int flags)
926 {
927 const char *cp;
928 char last = '\0';
929
927 - for (cp = ref; ; cp++) {
930 + for (cp = refname; ; cp++) {
931 char ch = *cp;
932 if (ch == '\0' || ch == '/')
933 break;
@@ -936,34 +939,34 @@ static int check_refname_component(const char *ref, int flags)
939 return -1; /* Refname contains "@{". */
940 last = ch;
941 }
939 - if (cp == ref)
942 + if (cp == refname)
943 return -1; /* Component has zero length. */
941 - if (ref[0] == '.') {
944 + if (refname[0] == '.') {
945 if (!(flags & REFNAME_DOT_COMPONENT))
946 return -1; /* Component starts with '.'. */
947 /*
948 * Even if leading dots are allowed, don't allow "."
949 * as a component (".." is prevented by a rule above).
950 */
948 - if (ref[1] == '\0')
951 + if (refname[1] == '\0')
952 return -1; /* Component equals ".". */
953 }
951 - if (cp - ref >= 5 && !memcmp(cp - 5, ".lock", 5))
954 + if (cp - refname >= 5 && !memcmp(cp - 5, ".lock", 5))
955 return -1; /* Refname ends with ".lock". */
953 - return cp - ref;
956 + return cp - refname;
957 }
958
956 -int check_refname_format(const char *ref, int flags)
959 +int check_refname_format(const char *refname, int flags)
960 {
961 int component_len, component_count = 0;
962
963 while (1) {
964 /* We are at the start of a path component. */
962 - component_len = check_refname_component(ref, flags);
965 + component_len = check_refname_component(refname, flags);
966 if (component_len < 0) {
967 if ((flags & REFNAME_REFSPEC_PATTERN) &&
965 - ref[0] == '*' &&
966 - (ref[1] == '\0' || ref[1] == '/')) {
968 + refname[0] == '*' &&
969 + (refname[1] == '\0' || refname[1] == '/')) {
970 /* Accept one wildcard as a full refname component. */
971 flags &= ~REFNAME_REFSPEC_PATTERN;
972 component_len = 1;
@@ -972,13 +975,13 @@ int check_refname_format(const char *ref, int flags)
975 }
976 }
977 component_count++;
975 - if (ref[component_len] == '\0')
978 + if (refname[component_len] == '\0')
979 break;
980 /* Skip to next component. */
978 - ref += component_len + 1;
981 + refname += component_len + 1;
982 }
983
981 - if (ref[component_len - 1] == '.')
984 + if (refname[component_len - 1] == '.')
985 return -1; /* Refname ends with '.'. */
986 if (!(flags & REFNAME_ALLOW_ONELEVEL) && component_count < 2)
987 return -1; /* Refname has only one component. */
@@ -1054,22 +1057,22 @@ static int remove_empty_directories(const char *file)
1057 return result;
1058 }
1059
1057 -static int is_refname_available(const char *ref, const char *oldref,
1060 +static int is_refname_available(const char *refname, const char *oldrefname,
1061 struct ref_array *array, int quiet)
1062 {
1060 - int i, namlen = strlen(ref); /* e.g. 'foo/bar' */
1063 + int i, namlen = strlen(refname); /* e.g. 'foo/bar' */
1064 for (i = 0; i < array->nr; i++ ) {
1065 struct ref_entry *entry = array->refs[i];
1066 /* entry->name could be 'foo' or 'foo/bar/baz' */
1064 - if (!oldref || strcmp(oldref, entry->name)) {
1067 + if (!oldrefname || strcmp(oldrefname, entry->name)) {
1068 int len = strlen(entry->name);
1069 int cmplen = (namlen < len) ? namlen : len;
1067 - const char *lead = (namlen < len) ? entry->name : ref;
1068 - if (!strncmp(ref, entry->name, cmplen) &&
1070 + const char *lead = (namlen < len) ? entry->name : refname;
1071 + if (!strncmp(refname, entry->name, cmplen) &&
1072 lead[cmplen] == '/') {
1073 if (!quiet)
1074 error("'%s' exists; cannot create '%s'",
1072 - entry->name, ref);
1075 + entry->name, refname);
1076 return 0;
1077 }
1078 }
@@ -1165,10 +1168,12 @@ int dwim_log(const char *str, int len, unsigned char *sha1, char **log)
1168 return logs_found;
1169 }
1170
1168 -static struct ref_lock *lock_ref_sha1_basic(const char *ref, const unsigned char *old_sha1, int flags, int *type_p)
1171 +static struct ref_lock *lock_ref_sha1_basic(const char *refname,
1172 + const unsigned char *old_sha1,
1173 + int flags, int *type_p)
1174 {
1175 char *ref_file;
1171 - const char *orig_ref = ref;
1176 + const char *orig_refname = refname;
1177 struct ref_lock *lock;
1178 int last_errno = 0;
1179 int type, lflags;
@@ -1178,27 +1183,27 @@ static struct ref_lock *lock_ref_sha1_basic(const char *ref, const unsigned char
1183 lock = xcalloc(1, sizeof(struct ref_lock));
1184 lock->lock_fd = -1;
1185
1181 - ref = resolve_ref(ref, lock->old_sha1, mustexist, &type);
1182 - if (!ref && errno == EISDIR) {
1186 + refname = resolve_ref(refname, lock->old_sha1, mustexist, &type);
1187 + if (!refname && errno == EISDIR) {
1188 /* we are trying to lock foo but we used to
1189 * have foo/bar which now does not exist;
1190 * it is normal for the empty directory 'foo'
1191 * to remain.
1192 */
1188 - ref_file = git_path("%s", orig_ref);
1193 + ref_file = git_path("%s", orig_refname);
1194 if (remove_empty_directories(ref_file)) {
1195 last_errno = errno;
1191 - error("there are still refs under '%s'", orig_ref);
1196 + error("there are still refs under '%s'", orig_refname);
1197 goto error_return;
1198 }
1194 - ref = resolve_ref(orig_ref, lock->old_sha1, mustexist, &type);
1199 + refname = resolve_ref(orig_refname, lock->old_sha1, mustexist, &type);
1200 }
1201 if (type_p)
1202 *type_p = type;
1198 - if (!ref) {
1203 + if (!refname) {
1204 last_errno = errno;
1205 error("unable to resolve reference %s: %s",
1201 - orig_ref, strerror(errno));
1206 + orig_refname, strerror(errno));
1207 goto error_return;
1208 }
1209 missing = is_null_sha1(lock->old_sha1);
@@ -1208,7 +1213,7 @@ static struct ref_lock *lock_ref_sha1_basic(const char *ref, const unsigned char
1213 * name is a proper prefix of our refname.
1214 */
1215 if (missing &&
1211 - !is_refname_available(ref, NULL, get_packed_refs(NULL), 0)) {
1216 + !is_refname_available(refname, NULL, get_packed_refs(NULL), 0)) {
1217 last_errno = ENOTDIR;
1218 goto error_return;
1219 }
@@ -1217,12 +1222,12 @@ static struct ref_lock *lock_ref_sha1_basic(const char *ref, const unsigned char
1222
1223 lflags = LOCK_DIE_ON_ERROR;
1224 if (flags & REF_NODEREF) {
1220 - ref = orig_ref;
1225 + refname = orig_refname;
1226 lflags |= LOCK_NODEREF;
1227 }
1223 - lock->ref_name = xstrdup(ref);
1224 - lock->orig_ref_name = xstrdup(orig_ref);
1225 - ref_file = git_path("%s", ref);
1228 + lock->ref_name = xstrdup(refname);
1229 + lock->orig_ref_name = xstrdup(orig_refname);
1230 + ref_file = git_path("%s", refname);
1231 if (missing)
1232 lock->force_write = 1;
1233 if ((flags & REF_NODEREF) && (type & REF_ISSYMREF))
@@ -1243,20 +1248,21 @@ static struct ref_lock *lock_ref_sha1_basic(const char *ref, const unsigned char
1248 return NULL;
1249 }
1250
1246 -struct ref_lock *lock_ref_sha1(const char *ref, const unsigned char *old_sha1)
1251 +struct ref_lock *lock_ref_sha1(const char *refname, const unsigned char *old_sha1)
1252 {
1253 char refpath[PATH_MAX];
1249 - if (check_refname_format(ref, 0))
1254 + if (check_refname_format(refname, 0))
1255 return NULL;
1251 - strcpy(refpath, mkpath("refs/%s", ref));
1256 + strcpy(refpath, mkpath("refs/%s", refname));
1257 return lock_ref_sha1_basic(refpath, old_sha1, 0, NULL);
1258 }
1259
1255 -struct ref_lock *lock_any_ref_for_update(const char *ref, const unsigned char *old_sha1, int flags)
1260 +struct ref_lock *lock_any_ref_for_update(const char *refname,
1261 + const unsigned char *old_sha1, int flags)
1262 {
1257 - if (check_refname_format(ref, REFNAME_ALLOW_ONELEVEL))
1263 + if (check_refname_format(refname, REFNAME_ALLOW_ONELEVEL))
1264 return NULL;
1259 - return lock_ref_sha1_basic(ref, old_sha1, flags, NULL);
1265 + return lock_ref_sha1_basic(refname, old_sha1, flags, NULL);
1266 }
1267
1268 static struct lock_file packlock;
@@ -1342,97 +1348,97 @@ int delete_ref(const char *refname, const unsigned char *sha1, int delopt)
1348 */
1349 #define TMP_RENAMED_LOG "logs/refs/.tmp-renamed-log"
1350
1345 -int rename_ref(const char *oldref, const char *newref, const char *logmsg)
1351 +int rename_ref(const char *oldrefname, const char *newrefname, const char *logmsg)
1352 {
1353 unsigned char sha1[20], orig_sha1[20];
1354 int flag = 0, logmoved = 0;
1355 struct ref_lock *lock;
1356 struct stat loginfo;
1351 - int log = !lstat(git_path("logs/%s", oldref), &loginfo);
1357 + int log = !lstat(git_path("logs/%s", oldrefname), &loginfo);
1358 const char *symref = NULL;
1359
1360 if (log && S_ISLNK(loginfo.st_mode))
1355 - return error("reflog for %s is a symlink", oldref);
1361 + return error("reflog for %s is a symlink", oldrefname);
1362
1357 - symref = resolve_ref(oldref, orig_sha1, 1, &flag);
1363 + symref = resolve_ref(oldrefname, orig_sha1, 1, &flag);
1364 if (flag & REF_ISSYMREF)
1365 return error("refname %s is a symbolic ref, renaming it is not supported",
1360 - oldref);
1366 + oldrefname);
1367 if (!symref)
1362 - return error("refname %s not found", oldref);
1368 + return error("refname %s not found", oldrefname);
1369
1364 - if (!is_refname_available(newref, oldref, get_packed_refs(NULL), 0))
1370 + if (!is_refname_available(newrefname, oldrefname, get_packed_refs(NULL), 0))
1371 return 1;
1372
1367 - if (!is_refname_available(newref, oldref, get_loose_refs(NULL), 0))
1373 + if (!is_refname_available(newrefname, oldrefname, get_loose_refs(NULL), 0))
1374 return 1;
1375
1370 - if (log && rename(git_path("logs/%s", oldref), git_path(TMP_RENAMED_LOG)))
1376 + if (log && rename(git_path("logs/%s", oldrefname), git_path(TMP_RENAMED_LOG)))
1377 return error("unable to move logfile logs/%s to "TMP_RENAMED_LOG": %s",
1372 - oldref, strerror(errno));
1378 + oldrefname, strerror(errno));
1379
1374 - if (delete_ref(oldref, orig_sha1, REF_NODEREF)) {
1375 - error("unable to delete old %s", oldref);
1380 + if (delete_ref(oldrefname, orig_sha1, REF_NODEREF)) {
1381 + error("unable to delete old %s", oldrefname);
1382 goto rollback;
1383 }
1384
1379 - if (!read_ref_full(newref, sha1, 1, &flag) &&
1380 - delete_ref(newref, sha1, REF_NODEREF)) {
1385 + if (!read_ref_full(newrefname, sha1, 1, &flag) &&
1386 + delete_ref(newrefname, sha1, REF_NODEREF)) {
1387 if (errno==EISDIR) {
1382 - if (remove_empty_directories(git_path("%s", newref))) {
1383 - error("Directory not empty: %s", newref);
1388 + if (remove_empty_directories(git_path("%s", newrefname))) {
1389 + error("Directory not empty: %s", newrefname);
1390 goto rollback;
1391 }
1392 } else {
1387 - error("unable to delete existing %s", newref);
1393 + error("unable to delete existing %s", newrefname);
1394 goto rollback;
1395 }
1396 }
1397
1392 - if (log && safe_create_leading_directories(git_path("logs/%s", newref))) {
1393 - error("unable to create directory for %s", newref);
1398 + if (log && safe_create_leading_directories(git_path("logs/%s", newrefname))) {
1399 + error("unable to create directory for %s", newrefname);
1400 goto rollback;
1401 }
1402
1403 retry:
1398 - if (log && rename(git_path(TMP_RENAMED_LOG), git_path("logs/%s", newref))) {
1404 + if (log && rename(git_path(TMP_RENAMED_LOG), git_path("logs/%s", newrefname))) {
1405 if (errno==EISDIR || errno==ENOTDIR) {
1406 /*
1407 * rename(a, b) when b is an existing
1408 * directory ought to result in ISDIR, but
1409 * Solaris 5.8 gives ENOTDIR. Sheesh.
1410 */
1405 - if (remove_empty_directories(git_path("logs/%s", newref))) {
1406 - error("Directory not empty: logs/%s", newref);
1411 + if (remove_empty_directories(git_path("logs/%s", newrefname))) {
1412 + error("Directory not empty: logs/%s", newrefname);
1413 goto rollback;
1414 }
1415 goto retry;
1416 } else {
1417 error("unable to move logfile "TMP_RENAMED_LOG" to logs/%s: %s",
1412 - newref, strerror(errno));
1418 + newrefname, strerror(errno));
1419 goto rollback;
1420 }
1421 }
1422 logmoved = log;
1423
1418 - lock = lock_ref_sha1_basic(newref, NULL, 0, NULL);
1424 + lock = lock_ref_sha1_basic(newrefname, NULL, 0, NULL);
1425 if (!lock) {
1420 - error("unable to lock %s for update", newref);
1426 + error("unable to lock %s for update", newrefname);
1427 goto rollback;
1428 }
1429 lock->force_write = 1;
1430 hashcpy(lock->old_sha1, orig_sha1);
1431 if (write_ref_sha1(lock, orig_sha1, logmsg)) {
1426 - error("unable to write current sha1 into %s", newref);
1432 + error("unable to write current sha1 into %s", newrefname);
1433 goto rollback;
1434 }
1435
1436 return 0;
1437
1438 rollback:
1433 - lock = lock_ref_sha1_basic(oldref, NULL, 0, NULL);
1439 + lock = lock_ref_sha1_basic(oldrefname, NULL, 0, NULL);
1440 if (!lock) {
1435 - error("unable to lock %s for rollback", oldref);
1441 + error("unable to lock %s for rollback", oldrefname);
1442 goto rollbacklog;
1443 }
1444
@@ -1440,17 +1446,17 @@ int rename_ref(const char *oldref, const char *newref, const char *logmsg)
1446 flag = log_all_ref_updates;
1447 log_all_ref_updates = 0;
1448 if (write_ref_sha1(lock, orig_sha1, NULL))
1443 - error("unable to write current sha1 into %s", oldref);
1449 + error("unable to write current sha1 into %s", oldrefname);
1450 log_all_ref_updates = flag;
1451
1452 rollbacklog:
1447 - if (logmoved && rename(git_path("logs/%s", newref), git_path("logs/%s", oldref)))
1453 + if (logmoved && rename(git_path("logs/%s", newrefname), git_path("logs/%s", oldrefname)))
1454 error("unable to restore logfile %s from %s: %s",
1449 - oldref, newref, strerror(errno));
1455 + oldrefname, newrefname, strerror(errno));
1456 if (!logmoved && log &&
1451 - rename(git_path(TMP_RENAMED_LOG), git_path("logs/%s", oldref)))
1457 + rename(git_path(TMP_RENAMED_LOG), git_path("logs/%s", oldrefname)))
1458 error("unable to restore logfile %s from "TMP_RENAMED_LOG": %s",
1453 - oldref, strerror(errno));
1459 + oldrefname, strerror(errno));
1460
1461 return 1;
1462 }
@@ -1507,16 +1513,16 @@ static int copy_msg(char *buf, const char *msg)
1513 return cp - buf;
1514 }
1515
1510 -int log_ref_setup(const char *ref_name, char *logfile, int bufsize)
1516 +int log_ref_setup(const char *refname, char *logfile, int bufsize)
1517 {
1518 int logfd, oflags = O_APPEND | O_WRONLY;
1519
1514 - git_snpath(logfile, bufsize, "logs/%s", ref_name);
1520 + git_snpath(logfile, bufsize, "logs/%s", refname);
1521 if (log_all_ref_updates &&
1516 - (!prefixcmp(ref_name, "refs/heads/") ||
1517 - !prefixcmp(ref_name, "refs/remotes/") ||
1518 - !prefixcmp(ref_name, "refs/notes/") ||
1519 - !strcmp(ref_name, "HEAD"))) {
1522 + (!prefixcmp(refname, "refs/heads/") ||
1523 + !prefixcmp(refname, "refs/remotes/") ||
1524 + !prefixcmp(refname, "refs/notes/") ||
1525 + !strcmp(refname, "HEAD"))) {
1526 if (safe_create_leading_directories(logfile) < 0)
1527 return error("unable to create directory for %s",
1528 logfile);
@@ -1546,7 +1552,7 @@ int log_ref_setup(const char *ref_name, char *logfile, int bufsize)
1552 return 0;
1553 }
1554
1549 -static int log_ref_write(const char *ref_name, const unsigned char *old_sha1,
1555 +static int log_ref_write(const char *refname, const unsigned char *old_sha1,
1556 const unsigned char *new_sha1, const char *msg)
1557 {
1558 int logfd, result, written, oflags = O_APPEND | O_WRONLY;
@@ -1559,7 +1565,7 @@ static int log_ref_write(const char *ref_name, const unsigned char *old_sha1,
1565 if (log_all_ref_updates < 0)
1566 log_all_ref_updates = !is_bare_repository();
1567
1562 - result = log_ref_setup(ref_name, log_file, sizeof(log_file));
1568 + result = log_ref_setup(refname, log_file, sizeof(log_file));
1569 if (result)
1570 return result;
1571
@@ -1730,7 +1736,9 @@ static char *ref_msg(const char *line, const char *endp)
1736 return xmemdupz(line, ep - line);
1737 }
1738
1733 -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)
1739 +int read_ref_at(const char *refname, unsigned long at_time, int cnt,
1740 + unsigned char *sha1, char **msg,
1741 + unsigned long *cutoff_time, int *cutoff_tz, int *cutoff_cnt)
1742 {
1743 const char *logfile, *logdata, *logend, *rec, *lastgt, *lastrec;
1744 char *tz_c;
@@ -1741,7 +1749,7 @@ int read_ref_at(const char *ref, unsigned long at_time, int cnt, unsigned char *
1749 void *log_mapped;
1750 size_t mapsz;
1751
1744 - logfile = git_path("logs/%s", ref);
1752 + logfile = git_path("logs/%s", refname);
1753 logfd = open(logfile, O_RDONLY, 0);
1754 if (logfd < 0)
1755 die_errno("Unable to read log '%s'", logfile);
@@ -1834,14 +1842,14 @@ int read_ref_at(const char *ref, unsigned long at_time, int cnt, unsigned char *
1842 return 1;
1843 }
1844
1837 -int for_each_recent_reflog_ent(const char *ref, each_reflog_ent_fn fn, long ofs, void *cb_data)
1845 +int for_each_recent_reflog_ent(const char *refname, each_reflog_ent_fn fn, long ofs, void *cb_data)
1846 {
1847 const char *logfile;
1848 FILE *logfp;
1849 struct strbuf sb = STRBUF_INIT;
1850 int ret = 0;
1851
1844 - logfile = git_path("logs/%s", ref);
1852 + logfile = git_path("logs/%s", refname);
1853 logfp = fopen(logfile, "r");
1854 if (!logfp)
1855 return -1;
@@ -1892,9 +1900,9 @@ int for_each_recent_reflog_ent(const char *ref, each_reflog_ent_fn fn, long ofs,
1900 return ret;
1901 }
1902
1895 -int for_each_reflog_ent(const char *ref, each_reflog_ent_fn fn, void *cb_data)
1903 +int for_each_reflog_ent(const char *refname, each_reflog_ent_fn fn, void *cb_data)
1904 {
1897 - return for_each_recent_reflog_ent(ref, fn, 0, cb_data);
1905 + return for_each_recent_reflog_ent(refname, fn, 0, cb_data);
1906 }
1907
1908 static int do_for_each_reflog(const char *base, each_ref_fn fn, void *cb_data)
@@ -2014,7 +2022,7 @@ static void gen_scanf_fmt(char *scanf_fmt, const char *rule)
2022 return;
2023 }
2024
2017 -char *shorten_unambiguous_ref(const char *ref, int strict)
2025 +char *shorten_unambiguous_ref(const char *refname, int strict)
2026 {
2027 int i;
2028 static char **scanf_fmts;
@@ -2043,10 +2051,10 @@ char *shorten_unambiguous_ref(const char *ref, int strict)
2051
2052 /* bail out if there are no rules */
2053 if (!nr_rules)
2046 - return xstrdup(ref);
2054 + return xstrdup(refname);
2055
2048 - /* buffer for scanf result, at most ref must fit */
2049 - short_name = xstrdup(ref);
2056 + /* buffer for scanf result, at most refname must fit */
2057 + short_name = xstrdup(refname);
2058
2059 /* skip first rule, it will always match */
2060 for (i = nr_rules - 1; i > 0 ; --i) {
@@ -2054,7 +2062,7 @@ char *shorten_unambiguous_ref(const char *ref, int strict)
2062 int rules_to_fail = i;
2063 int short_name_len;
2064
2057 - if (1 != sscanf(ref, scanf_fmts[i], short_name))
2065 + if (1 != sscanf(refname, scanf_fmts[i], short_name))
2066 continue;
2067
2068 short_name_len = strlen(short_name);
@@ -2098,5 +2106,5 @@ char *shorten_unambiguous_ref(const char *ref, int strict)
2106 }
2107
2108 free(short_name);
2101 - return xstrdup(ref);
2109 + return xstrdup(refname);
2110 }
refs.h
+15 -11
@@ -60,14 +60,16 @@ extern void add_extra_ref(const char *refname, const unsigned char *sha1, int fl
60 extern void clear_extra_refs(void);
61 extern int ref_exists(const char *);
62
63 -extern int peel_ref(const char *, unsigned char *);
63 +extern int peel_ref(const char *refname, unsigned char *sha1);
64
65 /** Locks a "refs/" ref returning the lock on success and NULL on failure. **/
66 -extern struct ref_lock *lock_ref_sha1(const char *ref, const unsigned char *old_sha1);
66 +extern struct ref_lock *lock_ref_sha1(const char *refname, const unsigned char *old_sha1);
67
68 /** Locks any ref (for 'HEAD' type refs). */
69 #define REF_NODEREF 0x01
70 -extern struct ref_lock *lock_any_ref_for_update(const char *ref, const unsigned char *old_sha1, int flags);
70 +extern struct ref_lock *lock_any_ref_for_update(const char *refname,
71 + const unsigned char *old_sha1,
72 + int flags);
73
74 /** Close the file descriptor owned by a lock and return the status */
75 extern int close_ref(struct ref_lock *lock);
@@ -93,12 +95,14 @@ extern void invalidate_ref_cache(const char *submodule);
95 int log_ref_setup(const char *ref_name, char *logfile, int bufsize);
96
97 /** Reads log for the value of ref during at_time. **/
96 -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);
98 +extern int read_ref_at(const char *refname, unsigned long at_time, int cnt,
99 + unsigned char *sha1, char **msg,
100 + unsigned long *cutoff_time, int *cutoff_tz, int *cutoff_cnt);
101
102 /* iterate over reflog entries */
103 typedef int each_reflog_ent_fn(unsigned char *osha1, unsigned char *nsha1, const char *, unsigned long, int, const char *, void *);
100 -int for_each_reflog_ent(const char *ref, each_reflog_ent_fn fn, void *cb_data);
101 -int for_each_recent_reflog_ent(const char *ref, each_reflog_ent_fn fn, long, void *cb_data);
104 +int for_each_reflog_ent(const char *refname, each_reflog_ent_fn fn, void *cb_data);
105 +int for_each_recent_reflog_ent(const char *refname, each_reflog_ent_fn fn, long, void *cb_data);
106
107 /*
108 * Calls the specified function for each reflog file until it returns nonzero,
@@ -111,9 +115,9 @@ extern int for_each_reflog(each_ref_fn, void *);
115 #define REFNAME_DOT_COMPONENT 4
116
117 /*
114 - * Return 0 iff ref has the correct format for a refname according to
115 - * the rules described in Documentation/git-check-ref-format.txt. If
116 - * REFNAME_ALLOW_ONELEVEL is set in flags, then accept one-level
118 + * Return 0 iff refname has the correct format for a refname according
119 + * to the rules described in Documentation/git-check-ref-format.txt.
120 + * If REFNAME_ALLOW_ONELEVEL is set in flags, then accept one-level
121 * reference names. If REFNAME_REFSPEC_PATTERN is set in flags, then
122 * allow a "*" wildcard character in place of one of the name
123 * components. No leading or repeated slashes are accepted. If
@@ -121,10 +125,10 @@ extern int for_each_reflog(each_ref_fn, void *);
125 * components to start with "." (but not a whole component equal to
126 * "." or "..").
127 */
124 -extern int check_refname_format(const char *ref, int flags);
128 +extern int check_refname_format(const char *refname, int flags);
129
130 extern const char *prettify_refname(const char *refname);
127 -extern char *shorten_unambiguous_ref(const char *ref, int strict);
131 +extern char *shorten_unambiguous_ref(const char *refname, int strict);
132
133 /** rename ref, return 0 on success **/
134 extern int rename_ref(const char *oldref, const char *newref, const char *logmsg);