#define DB_ENVIRONMENT "GIT_OBJECT_DIRECTORY"
#define INDEX_ENVIRONMENT "GIT_INDEX_FILE"
#define GRAFT_ENVIRONMENT "GIT_GRAFT_FILE"
+#define GIT_SHALLOW_FILE_ENVIRONMENT "GIT_SHALLOW_FILE"
#define TEMPLATE_DIR_ENVIRONMENT "GIT_TEMPLATE_DIR"
#define CONFIG_ENVIRONMENT "GIT_CONFIG"
#define CONFIG_DATA_ENVIRONMENT "GIT_CONFIG_PARAMETERS"
int offset_1st_component(const char *path);
/* object replacement */
-#define READ_SHA1_FILE_REPLACE 1
+#define LOOKUP_REPLACE_OBJECT 1
extern void *read_sha1_file_extended(const unsigned char *sha1, enum object_type *type, unsigned long *size, unsigned flag);
static inline void *read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size)
{
- return read_sha1_file_extended(sha1, type, size, READ_SHA1_FILE_REPLACE);
+ return read_sha1_file_extended(sha1, type, size, LOOKUP_REPLACE_OBJECT);
}
extern const unsigned char *do_lookup_replace_object(const unsigned char *sha1);
static inline const unsigned char *lookup_replace_object(const unsigned char *sha1)
return sha1;
return do_lookup_replace_object(sha1);
}
+static inline const unsigned char *lookup_replace_object_extended(const unsigned char *sha1, unsigned flag)
+{
+ if (!(flag & LOOKUP_REPLACE_OBJECT))
+ return sha1;
+ return lookup_replace_object(sha1);
+}
/* Read and unpack a sha1 file into memory, write memory to a sha1 file */
extern int sha1_object_info(const unsigned char *, unsigned long *);
extern int interpret_branch_name(const char *str, int len, struct strbuf *);
extern int get_sha1_mb(const char *str, unsigned char *sha1);
- extern int refname_match(const char *abbrev_name, const char *full_name, const char **rules);
- extern const char *ref_rev_parse_rules[];
- #define ref_fetch_rules ref_rev_parse_rules
+ /*
+ * Return true iff abbrev_name is a possible abbreviation for
+ * full_name according to the rules defined by ref_rev_parse_rules in
+ * refs.c.
+ */
+ extern int refname_match(const char *abbrev_name, const char *full_name);
extern int create_symref(const char *ref, const char *refs_heads_master, const char *logmsg);
extern int validate_headref(const char *ref);
enum object_type *typep;
unsigned long *sizep;
unsigned long *disk_sizep;
+ unsigned char *delta_base_sha1;
/* Response */
enum {
} packed;
} u;
};
-extern int sha1_object_info_extended(const unsigned char *, struct object_info *);
+extern int sha1_object_info_extended(const unsigned char *, struct object_info *, unsigned flags);
/* Dumb servers support */
extern int update_server_info(int);
extern void trace_argv_printf(const char **argv, const char *format, ...);
extern void trace_repo_setup(const char *prefix);
extern int trace_want(const char *key);
+__attribute__((format (printf, 2, 3)))
+extern void trace_printf_key(const char *key, const char *fmt, ...);
extern void trace_strbuf(const char *key, const struct strbuf *buf);
void packet_trace_identity(const char *prog);
struct ref_entry *old_current_ref;
int retval;
- if (prefixcmp(entry->name, data->base))
+ if (!starts_with(entry->name, data->base))
return 0;
if (!(data->flags & DO_FOR_EACH_INCLUDE_BROKEN) &&
if (refname) {
last = create_ref_entry(refname, sha1, REF_ISPACKED, 1);
if (peeled == PEELED_FULLY ||
- (peeled == PEELED_TAGS && !prefixcmp(refname, "refs/tags/")))
+ (peeled == PEELED_TAGS && starts_with(refname, "refs/tags/")))
last->flag |= REF_KNOWS_PEELED;
add_ref(dir, last);
continue;
return NULL;
}
buffer[len] = 0;
- if (!prefixcmp(buffer, "refs/") &&
+ if (starts_with(buffer, "refs/") &&
!check_refname_format(buffer, 0)) {
strcpy(refname_buffer, buffer);
refname = refname_buffer;
/*
* Is it a symbolic ref?
*/
- if (prefixcmp(buffer, "ref:")) {
+ if (!starts_with(buffer, "ref:")) {
/*
* Please note that FETCH_HEAD has a second
* line containing other data.
struct ref_filter filter;
int ret;
- if (!prefix && prefixcmp(pattern, "refs/"))
+ if (!prefix && !starts_with(pattern, "refs/"))
strbuf_addstr(&real_pattern, "refs/");
else if (prefix)
strbuf_addstr(&real_pattern, prefix);
const char *prettify_refname(const char *name)
{
return name + (
- !prefixcmp(name, "refs/heads/") ? 11 :
- !prefixcmp(name, "refs/tags/") ? 10 :
- !prefixcmp(name, "refs/remotes/") ? 13 :
+ starts_with(name, "refs/heads/") ? 11 :
+ starts_with(name, "refs/tags/") ? 10 :
+ starts_with(name, "refs/remotes/") ? 13 :
0);
}
- const char *ref_rev_parse_rules[] = {
+ static const char *ref_rev_parse_rules[] = {
"%.*s",
"refs/%.*s",
"refs/tags/%.*s",
NULL
};
- int refname_match(const char *abbrev_name, const char *full_name, const char **rules)
+ int refname_match(const char *abbrev_name, const char *full_name)
{
const char **p;
const int abbrev_name_len = strlen(abbrev_name);
- for (p = rules; *p; p++) {
+ for (p = ref_rev_parse_rules; *p; p++) {
if (!strcmp(full_name, mkpath(*p, abbrev_name_len, abbrev_name))) {
return 1;
}
struct pack_refs_cb_data *cb = cb_data;
enum peel_status peel_status;
struct ref_entry *packed_entry;
- int is_tag_ref = !prefixcmp(entry->name, "refs/tags/");
+ int is_tag_ref = starts_with(entry->name, "refs/tags/");
/* ALWAYS pack tags */
if (!(cb->flags & PACK_REFS_ALL) && !is_tag_ref)
git_snpath(logfile, bufsize, "logs/%s", refname);
if (log_all_ref_updates &&
- (!prefixcmp(refname, "refs/heads/") ||
- !prefixcmp(refname, "refs/remotes/") ||
- !prefixcmp(refname, "refs/notes/") ||
+ (starts_with(refname, "refs/heads/") ||
+ starts_with(refname, "refs/remotes/") ||
+ starts_with(refname, "refs/notes/") ||
!strcmp(refname, "HEAD"))) {
if (safe_create_leading_directories(logfile) < 0)
return error("unable to create directory for %s",
static int is_branch(const char *refname)
{
- return !strcmp(refname, "HEAD") || !prefixcmp(refname, "refs/heads/");
+ return !strcmp(refname, "HEAD") || starts_with(refname, "refs/heads/");
}
int write_ref_sha1(struct ref_lock *lock,
return ret;
}
-/*
- * generate a format suitable for scanf from a ref_rev_parse_rules
- * rule, that is replace the "%.*s" spec with a "%s" spec
- */
-static void gen_scanf_fmt(char *scanf_fmt, const char *rule)
-{
- char *spec;
-
- spec = strstr(rule, "%.*s");
- if (!spec || strstr(spec + 4, "%.*s"))
- die("invalid rule in ref_rev_parse_rules: %s", rule);
-
- /* copy all until spec */
- strncpy(scanf_fmt, rule, spec - rule);
- scanf_fmt[spec - rule] = '\0';
- /* copy new spec */
- strcat(scanf_fmt, "%s");
- /* copy remaining rule */
- strcat(scanf_fmt, spec + 4);
-
- return;
-}
-
char *shorten_unambiguous_ref(const char *refname, int strict)
{
int i;
static int nr_rules;
char *short_name;
- /* pre generate scanf formats from ref_rev_parse_rules[] */
if (!nr_rules) {
+ /*
+ * Pre-generate scanf formats from ref_rev_parse_rules[].
+ * Generate a format suitable for scanf from a
+ * ref_rev_parse_rules rule by interpolating "%s" at the
+ * location of the "%.*s".
+ */
size_t total_len = 0;
+ size_t offset = 0;
/* the rule list is NULL terminated, count them first */
for (nr_rules = 0; ref_rev_parse_rules[nr_rules]; nr_rules++)
- /* no +1 because strlen("%s") < strlen("%.*s") */
- total_len += strlen(ref_rev_parse_rules[nr_rules]);
+ /* -2 for strlen("%.*s") - strlen("%s"); +1 for NUL */
+ total_len += strlen(ref_rev_parse_rules[nr_rules]) - 2 + 1;
scanf_fmts = xmalloc(nr_rules * sizeof(char *) + total_len);
- total_len = 0;
+ offset = 0;
for (i = 0; i < nr_rules; i++) {
- scanf_fmts[i] = (char *)&scanf_fmts[nr_rules]
- + total_len;
- gen_scanf_fmt(scanf_fmts[i], ref_rev_parse_rules[i]);
- total_len += strlen(ref_rev_parse_rules[i]);
+ assert(offset < total_len);
+ scanf_fmts[i] = (char *)&scanf_fmts[nr_rules] + offset;
+ offset += snprintf(scanf_fmts[i], total_len - offset,
+ ref_rev_parse_rules[i], 2, "%s") + 1;
}
}
{
if (!strcmp("transfer.hiderefs", var) ||
/* NEEDSWORK: use parse_config_key() once both are merged */
- (!prefixcmp(var, section) && var[strlen(section)] == '.' &&
+ (starts_with(var, section) && var[strlen(section)] == '.' &&
!strcmp(var + strlen(section), ".hiderefs"))) {
char *ref;
int len;
return 0;
for_each_string_list_item(item, hide_refs) {
int len;
- if (prefixcmp(refname, item->string))
+ if (!starts_with(refname, item->string))
continue;
len = strlen(item->string);
if (!refname[len] || refname[len] == '/')
if (!r->rewrite[i])
continue;
for (j = 0; j < r->rewrite[i]->instead_of_nr; j++) {
- if (!prefixcmp(url, r->rewrite[i]->instead_of[j].s) &&
+ if (starts_with(url, r->rewrite[i]->instead_of[j].s) &&
(!longest ||
longest->len < r->rewrite[i]->instead_of[j].len)) {
longest = &(r->rewrite[i]->instead_of[j]);
int value_list;
char *s, *p;
- if (!prefixcmp(buffer, "URL:")) {
+ if (starts_with(buffer, "URL:")) {
value_list = 0;
s = buffer + 4;
- } else if (!prefixcmp(buffer, "Push:")) {
+ } else if (starts_with(buffer, "Push:")) {
value_list = 1;
s = buffer + 5;
- } else if (!prefixcmp(buffer, "Pull:")) {
+ } else if (starts_with(buffer, "Pull:")) {
value_list = 2;
s = buffer + 5;
} else
const char *subkey;
struct remote *remote;
struct branch *branch;
- if (!prefixcmp(key, "branch.")) {
+ if (starts_with(key, "branch.")) {
name = key + 7;
subkey = strrchr(name, '.');
if (!subkey)
}
return 0;
}
- if (!prefixcmp(key, "url.")) {
+ if (starts_with(key, "url.")) {
struct rewrite *rewrite;
name = key + 4;
subkey = strrchr(name, '.');
}
}
- if (prefixcmp(key, "remote."))
+ if (!starts_with(key, "remote."))
return 0;
name = key + 7;
current_branch = NULL;
head_ref = resolve_ref_unsafe("HEAD", sha1, 0, &flag);
if (head_ref && (flag & REF_ISSYMREF) &&
- !prefixcmp(head_ref, "refs/heads/")) {
+ starts_with(head_ref, "refs/heads/")) {
current_branch =
make_branch(head_ref + strlen("refs/heads/"), 0);
}
return result;
}
-void ref_remove_duplicates(struct ref *ref_map)
+static void handle_duplicate(struct ref *ref1, struct ref *ref2)
+{
+ if (strcmp(ref1->name, ref2->name)) {
+ if (ref1->fetch_head_status != FETCH_HEAD_IGNORE &&
+ ref2->fetch_head_status != FETCH_HEAD_IGNORE) {
+ die(_("Cannot fetch both %s and %s to %s"),
+ ref1->name, ref2->name, ref2->peer_ref->name);
+ } else if (ref1->fetch_head_status != FETCH_HEAD_IGNORE &&
+ ref2->fetch_head_status == FETCH_HEAD_IGNORE) {
+ warning(_("%s usually tracks %s, not %s"),
+ ref2->peer_ref->name, ref2->name, ref1->name);
+ } else if (ref1->fetch_head_status == FETCH_HEAD_IGNORE &&
+ ref2->fetch_head_status == FETCH_HEAD_IGNORE) {
+ die(_("%s tracks both %s and %s"),
+ ref2->peer_ref->name, ref1->name, ref2->name);
+ } else {
+ /*
+ * This last possibility doesn't occur because
+ * FETCH_HEAD_IGNORE entries always appear at
+ * the end of the list.
+ */
+ die(_("Internal error"));
+ }
+ }
+ free(ref2->peer_ref);
+ free(ref2);
+}
+
+struct ref *ref_remove_duplicates(struct ref *ref_map)
{
struct string_list refs = STRING_LIST_INIT_NODUP;
- struct string_list_item *item = NULL;
- struct ref *prev = NULL, *next = NULL;
- for (; ref_map; prev = ref_map, ref_map = next) {
- next = ref_map->next;
- if (!ref_map->peer_ref)
- continue;
+ struct ref *retval = NULL;
+ struct ref **p = &retval;
- item = string_list_lookup(&refs, ref_map->peer_ref->name);
- if (item) {
- if (strcmp(((struct ref *)item->util)->name,
- ref_map->name))
- die("%s tracks both %s and %s",
- ref_map->peer_ref->name,
- ((struct ref *)item->util)->name,
- ref_map->name);
- prev->next = ref_map->next;
- free(ref_map->peer_ref);
- free(ref_map);
- ref_map = prev; /* skip this; we freed it */
- continue;
- }
+ while (ref_map) {
+ struct ref *ref = ref_map;
+
+ ref_map = ref_map->next;
+ ref->next = NULL;
- item = string_list_insert(&refs, ref_map->peer_ref->name);
- item->util = ref_map;
+ if (!ref->peer_ref) {
+ *p = ref;
+ p = &ref->next;
+ } else {
+ struct string_list_item *item =
+ string_list_insert(&refs, ref->peer_ref->name);
+
+ if (item->util) {
+ /* Entry already existed */
+ handle_duplicate((struct ref *)item->util, ref);
+ } else {
+ *p = ref;
+ p = &ref->next;
+ item->util = ref;
+ }
+ }
}
+
string_list_clear(&refs, 0);
+ return retval;
}
int remote_has_url(struct remote *remote, const char *url)
return ret;
}
-static int query_refspecs(struct refspec *refs, int ref_count, struct refspec *query)
+int query_refspecs(struct refspec *refs, int ref_count, struct refspec *query)
{
int i;
int find_src = !query->src;
+ const char *needle = find_src ? query->dst : query->src;
+ char **result = find_src ? &query->src : &query->dst;
if (find_src && !query->dst)
return error("query_refspecs: need either src or dst");
struct refspec *refspec = &refs[i];
const char *key = find_src ? refspec->dst : refspec->src;
const char *value = find_src ? refspec->src : refspec->dst;
- const char *needle = find_src ? query->dst : query->src;
- char **result = find_src ? &query->src : &query->dst;
if (!refspec->dst)
continue;
*l = llist_mergesort(*l, ref_list_get_next, ref_list_set_next, cmp);
}
-static int count_refspec_match(const char *pattern,
- struct ref *refs,
- struct ref **matched_ref)
+int count_refspec_match(const char *pattern,
+ struct ref *refs,
+ struct ref **matched_ref)
{
int patlen = strlen(pattern);
struct ref *matched_weak = NULL;
char *name = refs->name;
int namelen = strlen(name);
- if (!refname_match(pattern, name, ref_rev_parse_rules))
+ if (!refname_match(pattern, name))
continue;
/* A match is "weak" if it is with refs outside
*/
if (namelen != patlen &&
patlen != namelen - 5 &&
- prefixcmp(name, "refs/heads/") &&
- prefixcmp(name, "refs/tags/")) {
+ !starts_with(name, "refs/heads/") &&
+ !starts_with(name, "refs/tags/")) {
/* We want to catch the case where only weak
* matches are found and there are multiple
* matches, and where more than one strong
if (!r)
return NULL;
- if (!prefixcmp(r, "refs/heads/"))
+ if (starts_with(r, "refs/heads/"))
strbuf_addstr(&buf, "refs/heads/");
- else if (!prefixcmp(r, "refs/tags/"))
+ else if (starts_with(r, "refs/tags/"))
strbuf_addstr(&buf, "refs/tags/");
else
return NULL;
dst_value = resolve_ref_unsafe(matched_src->name, sha1, 1, &flag);
if (!dst_value ||
((flag & REF_ISSYMREF) &&
- prefixcmp(dst_value, "refs/heads/")))
+ !starts_with(dst_value, "refs/heads/")))
die("%s cannot be resolved to branch.",
matched_src->name);
}
* including refs outside refs/heads/ hierarchy, but
* that does not make much sense these days.
*/
- if (!send_mirror && prefixcmp(ref->name, "refs/heads/"))
+ if (!send_mirror && !starts_with(ref->name, "refs/heads/"))
return NULL;
name = xstrdup(ref->name);
}
add_to_tips(&sent_tips, ref->peer_ref->new_sha1);
else
add_to_tips(&sent_tips, ref->old_sha1);
- if (!prefixcmp(ref->name, "refs/tags/"))
+ if (starts_with(ref->name, "refs/tags/"))
string_list_append(&dst_tag, ref->name);
}
clear_commit_marks_many(sent_tips.nr, sent_tips.tip, TMP_MARK);
/* Collect tags they do not have. */
for (ref = src; ref; ref = ref->next) {
- if (prefixcmp(ref->name, "refs/tags/"))
+ if (!starts_with(ref->name, "refs/tags/"))
continue; /* not a tag */
if (string_list_has_string(&dst_tag, ref->name))
continue; /* they already have it */
*/
else if (!ref->deletion && !is_null_sha1(ref->old_sha1)) {
- if (!prefixcmp(ref->name, "refs/tags/"))
+ if (starts_with(ref->name, "refs/tags/"))
reject_reason = REF_STATUS_REJECT_ALREADY_EXISTS;
else if (!has_sha1_file(ref->old_sha1))
reject_reason = REF_STATUS_REJECT_FETCH_FIRST;
{
if (!branch || i < 0 || i >= branch->merge_nr)
return 0;
- return refname_match(branch->merge[i]->src, refname, ref_fetch_rules);
+ return refname_match(branch->merge[i]->src, refname);
}
static int ignore_symref_update(const char *refname)
return (flag & REF_ISSYMREF);
}
+/*
+ * Create and return a list of (struct ref) consisting of copies of
+ * each remote_ref that matches refspec. refspec must be a pattern.
+ * Fill in the copies' peer_ref to describe the local tracking refs to
+ * which they map. Omit any references that would map to an existing
+ * local symbolic ref.
+ */
static struct ref *get_expanded_map(const struct ref *remote_refs,
const struct refspec *refspec)
{
struct ref *ret = NULL;
struct ref **tail = &ret;
- char *expn_name;
-
for (ref = remote_refs; ref; ref = ref->next) {
+ char *expn_name = NULL;
+
if (strchr(ref->name, '^'))
continue; /* a dereference item */
if (match_name_with_pattern(refspec->src, ref->name,
struct ref *cpy = copy_ref(ref);
cpy->peer_ref = alloc_ref(expn_name);
- free(expn_name);
if (refspec->force)
cpy->peer_ref->force = 1;
*tail = cpy;
tail = &cpy->next;
}
+ free(expn_name);
}
return ret;
{
const struct ref *ref;
for (ref = refs; ref; ref = ref->next) {
- if (refname_match(name, ref->name, ref_fetch_rules))
+ if (refname_match(name, ref->name))
return ref;
}
return NULL;
if (!name || name[0] == '\0')
return NULL;
- if (!prefixcmp(name, "refs/"))
+ if (starts_with(name, "refs/"))
return alloc_ref(name);
- if (!prefixcmp(name, "heads/") ||
- !prefixcmp(name, "tags/") ||
- !prefixcmp(name, "remotes/"))
+ if (starts_with(name, "heads/") ||
+ starts_with(name, "tags/") ||
+ starts_with(name, "remotes/"))
return alloc_ref_with_prefix("refs/", 5, name);
return alloc_ref_with_prefix("refs/heads/", 11, name);
for (rmp = &ref_map; *rmp; ) {
if ((*rmp)->peer_ref) {
- if (prefixcmp((*rmp)->peer_ref->name, "refs/") ||
+ if (!starts_with((*rmp)->peer_ref->name, "refs/") ||
check_refname_format((*rmp)->peer_ref->name, 0)) {
struct ref *ignore = *rmp;
error("* Ignoring funny ref '%s' locally",
/* Look for another ref that points there */
for (r = refs; r; r = r->next) {
if (r != head &&
- !prefixcmp(r->name, "refs/heads/") &&
+ starts_with(r->name, "refs/heads/") &&
!hashcmp(r->old_sha1, head->old_sha1)) {
*tail = copy_ref(r);
tail = &((*tail)->next);
/* Find an explicit --<option>=<name>[:<value>] entry */
for (i = 0; i < cas->nr; i++) {
struct push_cas *entry = &cas->entry[i];
- if (!refname_match(entry->refname, ref->name, ref_rev_parse_rules))
+ if (!refname_match(entry->refname, ref->name))
continue;
ref->expect_old_sha1 = 1;
if (!entry->use_tracking)