#include "tag.h"
#include "string-list.h"
#include "mergesort.h"
+#include "argv-array.h"
enum map_direction { FROM_SRC, FROM_DST };
static struct remote **remotes;
static int remotes_alloc;
static int remotes_nr;
+static struct hashmap remotes_hash;
static struct branch **branches;
static int branches_alloc;
static int branches_nr;
static struct branch *current_branch;
-static const char *default_remote_name;
static const char *pushremote_name;
-static int explicit_default_remote_name;
static struct rewrites rewrites;
static struct rewrites rewrites_push;
-#define BUF_SIZE (2048)
-static char buffer[BUF_SIZE];
-
static int valid_remote(const struct remote *remote)
{
return (!!remote->url) || (!!remote->foreign_vcs);
static const char *alias_url(const char *url, struct rewrites *r)
{
int i, j;
- char *ret;
struct counted_string *longest;
int longest_i;
if (!longest)
return url;
- ret = xmalloc(r->rewrite[longest_i]->baselen +
- (strlen(url) - longest->len) + 1);
- strcpy(ret, r->rewrite[longest_i]->base);
- strcpy(ret + r->rewrite[longest_i]->baselen, url + longest->len);
- return ret;
+ return xstrfmt("%s%s", r->rewrite[longest_i]->base, url + longest->len);
}
static void add_push_refspec(struct remote *remote, const char *ref)
add_pushurl_alias(remote, url);
}
+struct remotes_hash_key {
+ const char *str;
+ int len;
+};
+
+static int remotes_hash_cmp(const struct remote *a, const struct remote *b, const struct remotes_hash_key *key)
+{
+ if (key)
+ return strncmp(a->name, key->str, key->len) || a->name[key->len];
+ else
+ return strcmp(a->name, b->name);
+}
+
+static inline void init_remotes_hash(void)
+{
+ if (!remotes_hash.cmpfn)
+ hashmap_init(&remotes_hash, (hashmap_cmp_fn)remotes_hash_cmp, 0);
+}
+
static struct remote *make_remote(const char *name, int len)
{
- struct remote *ret;
- int i;
+ struct remote *ret, *replaced;
+ struct remotes_hash_key lookup;
+ struct hashmap_entry lookup_entry;
- for (i = 0; i < remotes_nr; i++) {
- if (len ? (!strncmp(name, remotes[i]->name, len) &&
- !remotes[i]->name[len]) :
- !strcmp(name, remotes[i]->name))
- return remotes[i];
- }
+ if (!len)
+ len = strlen(name);
+
+ init_remotes_hash();
+ lookup.str = name;
+ lookup.len = len;
+ hashmap_entry_init(&lookup_entry, memhash(name, len));
+
+ if ((ret = hashmap_get(&remotes_hash, &lookup_entry, &lookup)) != NULL)
+ return ret;
ret = xcalloc(1, sizeof(struct remote));
ret->prune = -1; /* unspecified */
ALLOC_GROW(remotes, remotes_nr + 1, remotes_alloc);
remotes[remotes_nr++] = ret;
- if (len)
- ret->name = xstrndup(name, len);
- else
- ret->name = xstrdup(name);
+ ret->name = xstrndup(name, len);
+
+ hashmap_entry_init(ret, lookup_entry.hash);
+ replaced = hashmap_put(&remotes_hash, ret);
+ assert(replaced == NULL); /* no previous entry overwritten */
return ret;
}
{
struct branch *ret;
int i;
- char *refname;
for (i = 0; i < branches_nr; i++) {
if (len ? (!strncmp(name, branches[i]->name, len) &&
ret->name = xstrndup(name, len);
else
ret->name = xstrdup(name);
- refname = xmalloc(strlen(name) + strlen("refs/heads/") + 1);
- strcpy(refname, "refs/heads/");
- strcpy(refname + strlen("refs/heads/"), ret->name);
- ret->refname = refname;
+ ret->refname = xstrfmt("refs/heads/%s", ret->name);
return ret;
}
rewrite->instead_of_nr++;
}
+static const char *skip_spaces(const char *s)
+{
+ while (isspace(*s))
+ s++;
+ return s;
+}
+
static void read_remotes_file(struct remote *remote)
{
+ struct strbuf buf = STRBUF_INIT;
FILE *f = fopen(git_path("remotes/%s", remote->name), "r");
if (!f)
return;
remote->origin = REMOTE_REMOTES;
- while (fgets(buffer, BUF_SIZE, f)) {
- int value_list;
- char *s, *p;
-
- if (starts_with(buffer, "URL:")) {
- value_list = 0;
- s = buffer + 4;
- } else if (starts_with(buffer, "Push:")) {
- value_list = 1;
- s = buffer + 5;
- } else if (starts_with(buffer, "Pull:")) {
- value_list = 2;
- s = buffer + 5;
- } else
- continue;
-
- while (isspace(*s))
- s++;
- if (!*s)
- continue;
+ while (strbuf_getline(&buf, f, '\n') != EOF) {
+ const char *v;
- p = s + strlen(s);
- while (isspace(p[-1]))
- *--p = 0;
+ strbuf_rtrim(&buf);
- switch (value_list) {
- case 0:
- add_url_alias(remote, xstrdup(s));
- break;
- case 1:
- add_push_refspec(remote, xstrdup(s));
- break;
- case 2:
- add_fetch_refspec(remote, xstrdup(s));
- break;
- }
+ if (skip_prefix(buf.buf, "URL:", &v))
+ add_url_alias(remote, xstrdup(skip_spaces(v)));
+ else if (skip_prefix(buf.buf, "Push:", &v))
+ add_push_refspec(remote, xstrdup(skip_spaces(v)));
+ else if (skip_prefix(buf.buf, "Pull:", &v))
+ add_fetch_refspec(remote, xstrdup(skip_spaces(v)));
}
+ strbuf_release(&buf);
fclose(f);
}
static void read_branches_file(struct remote *remote)
{
char *frag;
- struct strbuf branch = STRBUF_INIT;
- int n = 1000;
- FILE *f = fopen(git_path("branches/%.*s", n, remote->name), "r");
- char *s, *p;
- int len;
+ struct strbuf buf = STRBUF_INIT;
+ FILE *f = fopen(git_path("branches/%s", remote->name), "r");
if (!f)
return;
- s = fgets(buffer, BUF_SIZE, f);
+
+ strbuf_getline(&buf, f, '\n');
fclose(f);
- if (!s)
- return;
- while (isspace(*s))
- s++;
- if (!*s)
+ strbuf_trim(&buf);
+ if (!buf.len) {
+ strbuf_release(&buf);
return;
+ }
+
remote->origin = REMOTE_BRANCHES;
- p = s + strlen(s);
- while (isspace(p[-1]))
- *--p = 0;
- len = p - s;
- p = xmalloc(len + 1);
- strcpy(p, s);
/*
* The branches file would have URL and optionally
* #branch specified. The "master" (or specified) branch is
- * fetched and stored in the local branch of the same name.
+ * fetched and stored in the local branch matching the
+ * remote name.
*/
- frag = strchr(p, '#');
- if (frag) {
+ frag = strchr(buf.buf, '#');
+ if (frag)
*(frag++) = '\0';
- strbuf_addf(&branch, "refs/heads/%s", frag);
- } else
- strbuf_addstr(&branch, "refs/heads/master");
+ else
+ frag = "master";
+
+ add_url_alias(remote, strbuf_detach(&buf, NULL));
+ add_fetch_refspec(remote, xstrfmt("refs/heads/%s:refs/heads/%s",
+ frag, remote->name));
- strbuf_addf(&branch, ":refs/heads/%s", remote->name);
- add_url_alias(remote, p);
- add_fetch_refspec(remote, strbuf_detach(&branch, NULL));
/*
* Cogito compatible push: push current HEAD to remote #branch
* (master if missing)
*/
- strbuf_init(&branch, 0);
- strbuf_addstr(&branch, "HEAD");
- if (frag)
- strbuf_addf(&branch, ":refs/heads/%s", frag);
- else
- strbuf_addstr(&branch, ":refs/heads/master");
- add_push_refspec(remote, strbuf_detach(&branch, NULL));
+ add_push_refspec(remote, xstrfmt("HEAD:refs/heads/%s", frag));
remote->fetch_tags = 1; /* always auto-follow */
}
return 0;
branch = make_branch(name, subkey - name);
if (!strcmp(subkey, ".remote")) {
- if (git_config_string(&branch->remote_name, key, value))
- return -1;
- if (branch == current_branch) {
- default_remote_name = branch->remote_name;
- explicit_default_remote_name = 1;
- }
+ return git_config_string(&branch->remote_name, key, value);
} else if (!strcmp(subkey, ".pushremote")) {
- if (branch == current_branch)
- if (git_config_string(&pushremote_name, key, value))
- return -1;
+ return git_config_string(&branch->pushremote_name, key, value);
} else if (!strcmp(subkey, ".merge")) {
if (!value)
return config_error_nonbool(key);
static void read_config(void)
{
- unsigned char sha1[20];
+ static int loaded;
+ struct object_id oid;
const char *head_ref;
int flag;
- if (default_remote_name) /* did this already */
+
+ if (loaded)
return;
- default_remote_name = "origin";
+ loaded = 1;
+
current_branch = NULL;
- head_ref = resolve_ref_unsafe("HEAD", sha1, 0, &flag);
+ head_ref = resolve_ref_unsafe("HEAD", 0, oid.hash, &flag);
if (head_ref && (flag & REF_ISSYMREF) &&
- starts_with(head_ref, "refs/heads/")) {
- current_branch =
- make_branch(head_ref + strlen("refs/heads/"), 0);
+ skip_prefix(head_ref, "refs/heads/", &head_ref)) {
+ current_branch = make_branch(head_ref, 0);
}
git_config(handle_config, NULL);
alias_all_urls();
static struct refspec *parse_refspec_internal(int nr_refspec, const char **refspec, int fetch, int verify)
{
int i;
- struct refspec *rs = xcalloc(sizeof(*rs), nr_refspec);
+ struct refspec *rs = xcalloc(nr_refspec, sizeof(*rs));
for (i = 0; i < nr_refspec; i++) {
size_t llen;
flags = REFNAME_ALLOW_ONELEVEL | (is_glob ? REFNAME_REFSPEC_PATTERN : 0);
if (fetch) {
- unsigned char unused[40];
+ struct object_id unused;
/* LHS */
if (!*rs[i].src)
; /* empty is ok; it means "HEAD" */
- else if (llen == 40 && !get_sha1_hex(rs[i].src, unused))
+ else if (llen == GIT_SHA1_HEXSZ && !get_oid_hex(rs[i].src, &unused))
rs[i].exact_sha1 = 1; /* ok */
else if (!check_refname_format(rs[i].src, flags))
; /* valid looking ref is ok */
return !strchr(name, '/'); /* no slash */
}
-static struct remote *remote_get_1(const char *name, const char *pushremote_name)
+const char *remote_for_branch(struct branch *branch, int *explicit)
+{
+ if (branch && branch->remote_name) {
+ if (explicit)
+ *explicit = 1;
+ return branch->remote_name;
+ }
+ if (explicit)
+ *explicit = 0;
+ return "origin";
+}
+
+const char *pushremote_for_branch(struct branch *branch, int *explicit)
+{
+ if (branch && branch->pushremote_name) {
+ if (explicit)
+ *explicit = 1;
+ return branch->pushremote_name;
+ }
+ if (pushremote_name) {
+ if (explicit)
+ *explicit = 1;
+ return pushremote_name;
+ }
+ return remote_for_branch(branch, explicit);
+}
+
+static struct remote *remote_get_1(const char *name,
+ const char *(*get_default)(struct branch *, int *))
{
struct remote *ret;
int name_given = 0;
+ read_config();
+
if (name)
name_given = 1;
- else {
- if (pushremote_name) {
- name = pushremote_name;
- name_given = 1;
- } else {
- name = default_remote_name;
- name_given = explicit_default_remote_name;
- }
- }
+ else
+ name = get_default(current_branch, &name_given);
ret = make_remote(name, 0);
if (valid_remote_nick(name)) {
struct remote *remote_get(const char *name)
{
- read_config();
- return remote_get_1(name, NULL);
+ return remote_get_1(name, remote_for_branch);
}
struct remote *pushremote_get(const char *name)
{
- read_config();
- return remote_get_1(name, pushremote_name);
+ return remote_get_1(name, pushremote_for_branch);
}
int remote_is_configured(const char *name)
{
- int i;
+ struct remotes_hash_key lookup;
+ struct hashmap_entry lookup_entry;
read_config();
- for (i = 0; i < remotes_nr; i++)
- if (!strcmp(name, remotes[i]->name))
- return 1;
- return 0;
+ init_remotes_hash();
+ lookup.str = name;
+ lookup.len = strlen(name);
+ hashmap_entry_init(&lookup_entry, memhash(name, lookup.len));
+
+ return hashmap_get(&remotes_hash, &lookup_entry, &lookup) != NULL;
}
int for_each_remote(each_remote_fn fn, void *priv)
ret = !strncmp(name, key, klen) && namelen >= klen + ksuffixlen &&
!memcmp(name + namelen - ksuffixlen, kstar + 1, ksuffixlen);
if (ret && value) {
+ struct strbuf sb = STRBUF_INIT;
const char *vstar = strchr(value, '*');
- size_t vlen;
- size_t vsuffixlen;
if (!vstar)
die("Value '%s' of pattern has no '*'", value);
- vlen = vstar - value;
- vsuffixlen = strlen(vstar + 1);
- *result = xmalloc(vlen + vsuffixlen +
- strlen(name) -
- klen - ksuffixlen + 1);
- strncpy(*result, value, vlen);
- strncpy(*result + vlen,
- name + klen, namelen - klen - ksuffixlen);
- strcpy(*result + vlen + namelen - klen - ksuffixlen,
- vstar + 1);
+ strbuf_add(&sb, value, vstar - value);
+ strbuf_add(&sb, name + klen, namelen - klen - ksuffixlen);
+ strbuf_addstr(&sb, vstar + 1);
+ *result = strbuf_detach(&sb, NULL);
}
return ret;
}
+static void query_refspecs_multiple(struct refspec *refs, int ref_count, struct refspec *query, struct string_list *results)
+{
+ int i;
+ int find_src = !query->src;
+
+ if (find_src && !query->dst)
+ error("query_refspecs_multiple: need either src or dst");
+
+ for (i = 0; i < ref_count; i++) {
+ 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;
+ if (refspec->pattern) {
+ if (match_name_with_pattern(key, needle, value, result))
+ string_list_append_nodup(results, *result);
+ } else if (!strcmp(needle, key)) {
+ string_list_append(results, value);
+ }
+ }
+}
+
int query_refspecs(struct refspec *refs, int ref_count, struct refspec *query)
{
int i;
cpy = xmalloc(sizeof(struct ref) + len + 1);
memcpy(cpy, ref, sizeof(struct ref) + len + 1);
cpy->next = NULL;
- cpy->symref = ref->symref ? xstrdup(ref->symref) : NULL;
- cpy->remote_status = ref->remote_status ? xstrdup(ref->remote_status) : NULL;
+ cpy->symref = xstrdup_or_null(ref->symref);
+ cpy->remote_status = xstrdup_or_null(ref->remote_status);
cpy->peer_ref = copy_ref(ref->peer_ref);
return cpy;
}
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 (!matched) {
- *matched_ref = matched_weak;
+ if (matched_ref)
+ *matched_ref = matched_weak;
return weak_match;
}
else {
- *matched_ref = matched;
+ if (matched_ref)
+ *matched_ref = matched;
return match;
}
}
static struct ref *alloc_delete_ref(void)
{
struct ref *ref = alloc_ref("(delete)");
- hashclr(ref->new_sha1);
+ oidclr(&ref->new_oid);
return ref;
}
-static struct ref *try_explicit_object_name(const char *name)
+static int try_explicit_object_name(const char *name,
+ struct ref **match)
{
- unsigned char sha1[20];
- struct ref *ref;
+ struct object_id oid;
- if (!*name)
- return alloc_delete_ref();
- if (get_sha1(name, sha1))
- return NULL;
- ref = alloc_ref(name);
- hashcpy(ref->new_sha1, sha1);
- return ref;
+ if (!*name) {
+ if (match)
+ *match = alloc_delete_ref();
+ return 0;
+ }
+
+ if (get_sha1(name, oid.hash))
+ return -1;
+
+ if (match) {
+ *match = alloc_ref(name);
+ oidcpy(&(*match)->new_oid, &oid);
+ }
+ return 0;
}
static struct ref *make_linked_ref(const char *name, struct ref ***tail)
static char *guess_ref(const char *name, struct ref *peer)
{
struct strbuf buf = STRBUF_INIT;
- unsigned char sha1[20];
+ struct object_id oid;
- const char *r = resolve_ref_unsafe(peer->name, sha1, 1, NULL);
+ const char *r = resolve_ref_unsafe(peer->name, RESOLVE_REF_READING,
+ oid.hash, NULL);
if (!r)
return NULL;
return strbuf_detach(&buf, NULL);
}
+static int match_explicit_lhs(struct ref *src,
+ struct refspec *rs,
+ struct ref **match,
+ int *allocated_match)
+{
+ switch (count_refspec_match(rs->src, src, match)) {
+ case 1:
+ if (allocated_match)
+ *allocated_match = 0;
+ return 0;
+ case 0:
+ /* The source could be in the get_sha1() format
+ * not a reference name. :refs/other is a
+ * way to delete 'other' ref at the remote end.
+ */
+ if (try_explicit_object_name(rs->src, match) < 0)
+ return error("src refspec %s does not match any.", rs->src);
+ if (allocated_match)
+ *allocated_match = 1;
+ return 0;
+ default:
+ return error("src refspec %s matches more than one.", rs->src);
+ }
+}
+
static int match_explicit(struct ref *src, struct ref *dst,
struct ref ***dst_tail,
struct refspec *rs)
{
struct ref *matched_src, *matched_dst;
- int copy_src;
+ int allocated_src;
const char *dst_value = rs->dst;
char *dst_guess;
return 0;
matched_src = matched_dst = NULL;
- switch (count_refspec_match(rs->src, src, &matched_src)) {
- case 1:
- copy_src = 1;
- break;
- case 0:
- /* The source could be in the get_sha1() format
- * not a reference name. :refs/other is a
- * way to delete 'other' ref at the remote end.
- */
- matched_src = try_explicit_object_name(rs->src);
- if (!matched_src)
- return error("src refspec %s does not match any.", rs->src);
- copy_src = 0;
- break;
- default:
- return error("src refspec %s matches more than one.", rs->src);
- }
+ if (match_explicit_lhs(src, rs, &matched_src, &allocated_src) < 0)
+ return -1;
if (!dst_value) {
- unsigned char sha1[20];
+ struct object_id oid;
int flag;
- dst_value = resolve_ref_unsafe(matched_src->name, sha1, 1, &flag);
+ dst_value = resolve_ref_unsafe(matched_src->name,
+ RESOLVE_REF_READING,
+ oid.hash, &flag);
if (!dst_value ||
((flag & REF_ISSYMREF) &&
!starts_with(dst_value, "refs/heads/")))
case 1:
break;
case 0:
- if (!memcmp(dst_value, "refs/", 5))
+ if (starts_with(dst_value, "refs/"))
matched_dst = make_linked_ref(dst_value, dst_tail);
- else if (is_null_sha1(matched_src->new_sha1))
+ else if (is_null_oid(&matched_src->new_oid))
error("unable to delete '%s': remote ref does not exist",
dst_value);
else if ((dst_guess = guess_ref(dst_value, matched_src)))
return error("dst ref %s receives from more than one src.",
matched_dst->name);
else {
- matched_dst->peer_ref = copy_src ? copy_ref(matched_src) : matched_src;
+ matched_dst->peer_ref = allocated_src ?
+ matched_src :
+ copy_ref(matched_src);
matched_dst->force = rs->force;
}
return 0;
int nr, alloc;
};
-static void add_to_tips(struct tips *tips, const unsigned char *sha1)
+static void add_to_tips(struct tips *tips, const struct object_id *oid)
{
struct commit *commit;
- if (is_null_sha1(sha1))
+ if (is_null_oid(oid))
return;
- commit = lookup_commit_reference_gently(sha1, 1);
+ commit = lookup_commit_reference_gently(oid->hash, 1);
if (!commit || (commit->object.flags & TMP_MARK))
return;
commit->object.flags |= TMP_MARK;
memset(&sent_tips, 0, sizeof(sent_tips));
for (ref = *dst; ref; ref = ref->next) {
if (ref->peer_ref &&
- !is_null_sha1(ref->peer_ref->new_sha1))
- add_to_tips(&sent_tips, ref->peer_ref->new_sha1);
+ !is_null_oid(&ref->peer_ref->new_oid))
+ add_to_tips(&sent_tips, &ref->peer_ref->new_oid);
else
- add_to_tips(&sent_tips, ref->old_sha1);
+ add_to_tips(&sent_tips, &ref->old_oid);
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);
- sort_string_list(&dst_tag);
+ string_list_sort(&dst_tag);
/* Collect tags they do not have. */
for (ref = src; ref; ref = ref->next) {
continue; /* not a tag */
if (string_list_has_string(&dst_tag, ref->name))
continue; /* they already have it */
- if (sha1_object_info(ref->new_sha1, NULL) != OBJ_TAG)
+ if (sha1_object_info(ref->new_oid.hash, NULL) != OBJ_TAG)
continue; /* be conservative */
item = string_list_append(&src_tag, ref->name);
item->util = ref;
struct ref *dst_ref;
struct commit *commit;
- if (is_null_sha1(ref->new_sha1))
+ if (is_null_oid(&ref->new_oid))
continue;
- commit = lookup_commit_reference_gently(ref->new_sha1, 1);
+ commit = lookup_commit_reference_gently(ref->new_oid.hash, 1);
if (!commit)
/* not pushing a commit, which is not an error */
continue;
/* Add it in */
dst_ref = make_linked_ref(ref->name, dst_tail);
- hashcpy(dst_ref->new_sha1, ref->new_sha1);
+ oidcpy(&dst_ref->new_oid, &ref->new_oid);
dst_ref->peer_ref = copy_ref(ref);
}
}
for ( ; ref; ref = ref->next)
string_list_append_nodup(ref_index, ref->name)->util = ref;
- sort_string_list(ref_index);
+ string_list_sort(ref_index);
+}
+
+/*
+ * Given only the set of local refs, sanity-check the set of push
+ * refspecs. We can't catch all errors that match_push_refs would,
+ * but we can catch some errors early before even talking to the
+ * remote side.
+ */
+int check_push_refs(struct ref *src, int nr_refspec, const char **refspec_names)
+{
+ struct refspec *refspec = parse_push_refspec(nr_refspec, refspec_names);
+ int ret = 0;
+ int i;
+
+ for (i = 0; i < nr_refspec; i++) {
+ struct refspec *rs = refspec + i;
+
+ if (rs->pattern || rs->matching)
+ continue;
+
+ ret |= match_explicit_lhs(src, rs, NULL, NULL);
+ }
+
+ free_refspec(nr_refspec, refspec);
+ return ret;
}
/*
/*
* Remote doesn't have it, and we have no
* explicit pattern, and we don't have
- * --all nor --mirror.
+ * --all or --mirror.
*/
goto free_name;
/* Create a new one and link it */
dst_peer = make_linked_ref(dst_name, &dst_tail);
- hashcpy(dst_peer->new_sha1, ref->new_sha1);
+ oidcpy(&dst_peer->new_oid, &ref->new_oid);
string_list_insert(&dst_ref_index,
dst_peer->name)->util = dst_peer;
}
int reject_reason = 0;
if (ref->peer_ref)
- hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
+ oidcpy(&ref->new_oid, &ref->peer_ref->new_oid);
else if (!send_mirror)
continue;
- ref->deletion = is_null_sha1(ref->new_sha1);
+ ref->deletion = is_null_oid(&ref->new_oid);
if (!ref->deletion &&
- !hashcmp(ref->old_sha1, ref->new_sha1)) {
+ !oidcmp(&ref->old_oid, &ref->new_oid)) {
ref->status = REF_STATUS_UPTODATE;
continue;
}
*/
if (ref->expect_old_sha1) {
if (ref->expect_old_no_trackback ||
- hashcmp(ref->old_sha1, ref->old_sha1_expect))
+ oidcmp(&ref->old_oid, &ref->old_oid_expect))
reject_reason = REF_STATUS_REJECT_STALE;
}
* passing the --force argument
*/
- else if (!ref->deletion && !is_null_sha1(ref->old_sha1)) {
+ else if (!ref->deletion && !is_null_oid(&ref->old_oid)) {
if (starts_with(ref->name, "refs/tags/"))
reject_reason = REF_STATUS_REJECT_ALREADY_EXISTS;
- else if (!has_sha1_file(ref->old_sha1))
+ else if (!has_object_file(&ref->old_oid))
reject_reason = REF_STATUS_REJECT_FETCH_FIRST;
- else if (!lookup_commit_reference_gently(ref->old_sha1, 1) ||
- !lookup_commit_reference_gently(ref->new_sha1, 1))
+ else if (!lookup_commit_reference_gently(ref->old_oid.hash, 1) ||
+ !lookup_commit_reference_gently(ref->new_oid.hash, 1))
reject_reason = REF_STATUS_REJECT_NEEDS_FORCE;
- else if (!ref_newer(ref->new_sha1, ref->old_sha1))
+ else if (!ref_newer(&ref->new_oid, &ref->old_oid))
reject_reason = REF_STATUS_REJECT_NONFASTFORWARD;
}
}
}
+static void set_merge(struct branch *ret)
+{
+ struct remote *remote;
+ char *ref;
+ struct object_id oid;
+ int i;
+
+ if (!ret)
+ return; /* no branch */
+ if (ret->merge)
+ return; /* already run */
+ if (!ret->remote_name || !ret->merge_nr) {
+ /*
+ * no merge config; let's make sure we don't confuse callers
+ * with a non-zero merge_nr but a NULL merge
+ */
+ ret->merge_nr = 0;
+ return;
+ }
+
+ remote = remote_get(ret->remote_name);
+
+ ret->merge = xcalloc(ret->merge_nr, sizeof(*ret->merge));
+ for (i = 0; i < ret->merge_nr; i++) {
+ ret->merge[i] = xcalloc(1, sizeof(**ret->merge));
+ ret->merge[i]->src = xstrdup(ret->merge_name[i]);
+ if (!remote_find_tracking(remote, ret->merge[i]) ||
+ strcmp(ret->remote_name, "."))
+ continue;
+ if (dwim_ref(ret->merge_name[i], strlen(ret->merge_name[i]),
+ oid.hash, &ref) == 1)
+ ret->merge[i]->dst = ref;
+ else
+ ret->merge[i]->dst = xstrdup(ret->merge_name[i]);
+ }
+}
+
struct branch *branch_get(const char *name)
{
struct branch *ret;
ret = current_branch;
else
ret = make_branch(name, 0);
- if (ret && ret->remote_name) {
- ret->remote = remote_get(ret->remote_name);
- if (ret->merge_nr) {
- int i;
- ret->merge = xcalloc(ret->merge_nr, sizeof(*ret->merge));
- for (i = 0; i < ret->merge_nr; i++) {
- ret->merge[i] = xcalloc(1, sizeof(**ret->merge));
- ret->merge[i]->src = xstrdup(ret->merge_name[i]);
- if (remote_find_tracking(ret->remote, ret->merge[i])
- && !strcmp(ret->remote_name, "."))
- ret->merge[i]->dst = xstrdup(ret->merge_name[i]);
- }
- }
- }
+ set_merge(ret);
return ret;
}
{
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);
+}
+
+__attribute((format (printf,2,3)))
+static const char *error_buf(struct strbuf *err, const char *fmt, ...)
+{
+ if (err) {
+ va_list ap;
+ va_start(ap, fmt);
+ strbuf_vaddf(err, fmt, ap);
+ va_end(ap);
+ }
+ return NULL;
+}
+
+const char *branch_get_upstream(struct branch *branch, struct strbuf *err)
+{
+ if (!branch)
+ return error_buf(err, _("HEAD does not point to a branch"));
+
+ if (!branch->merge || !branch->merge[0]) {
+ /*
+ * no merge config; is it because the user didn't define any,
+ * or because it is not a real branch, and get_branch
+ * auto-vivified it?
+ */
+ if (!ref_exists(branch->refname))
+ return error_buf(err, _("no such branch: '%s'"),
+ branch->name);
+ return error_buf(err,
+ _("no upstream configured for branch '%s'"),
+ branch->name);
+ }
+
+ if (!branch->merge[0]->dst)
+ return error_buf(err,
+ _("upstream branch '%s' not stored as a remote-tracking branch"),
+ branch->merge[0]->src);
+
+ return branch->merge[0]->dst;
+}
+
+static const char *tracking_for_push_dest(struct remote *remote,
+ const char *refname,
+ struct strbuf *err)
+{
+ char *ret;
+
+ ret = apply_refspecs(remote->fetch, remote->fetch_refspec_nr, refname);
+ if (!ret)
+ return error_buf(err,
+ _("push destination '%s' on remote '%s' has no local tracking branch"),
+ refname, remote->name);
+ return ret;
+}
+
+static const char *branch_get_push_1(struct branch *branch, struct strbuf *err)
+{
+ struct remote *remote;
+
+ if (!branch)
+ return error_buf(err, _("HEAD does not point to a branch"));
+
+ remote = remote_get(pushremote_for_branch(branch, NULL));
+ if (!remote)
+ return error_buf(err,
+ _("branch '%s' has no remote for pushing"),
+ branch->name);
+
+ if (remote->push_refspec_nr) {
+ char *dst;
+ const char *ret;
+
+ dst = apply_refspecs(remote->push, remote->push_refspec_nr,
+ branch->refname);
+ if (!dst)
+ return error_buf(err,
+ _("push refspecs for '%s' do not include '%s'"),
+ remote->name, branch->name);
+
+ ret = tracking_for_push_dest(remote, dst, err);
+ free(dst);
+ return ret;
+ }
+
+ if (remote->mirror)
+ return tracking_for_push_dest(remote, branch->refname, err);
+
+ switch (push_default) {
+ case PUSH_DEFAULT_NOTHING:
+ return error_buf(err, _("push has no destination (push.default is 'nothing')"));
+
+ case PUSH_DEFAULT_MATCHING:
+ case PUSH_DEFAULT_CURRENT:
+ return tracking_for_push_dest(remote, branch->refname, err);
+
+ case PUSH_DEFAULT_UPSTREAM:
+ return branch_get_upstream(branch, err);
+
+ case PUSH_DEFAULT_UNSPECIFIED:
+ case PUSH_DEFAULT_SIMPLE:
+ {
+ const char *up, *cur;
+
+ up = branch_get_upstream(branch, err);
+ if (!up)
+ return NULL;
+ cur = tracking_for_push_dest(remote, branch->refname, err);
+ if (!cur)
+ return NULL;
+ if (strcmp(cur, up))
+ return error_buf(err,
+ _("cannot resolve 'simple' push to a single destination"));
+ return cur;
+ }
+ }
+
+ die("BUG: unhandled push situation");
+}
+
+const char *branch_get_push(struct branch *branch, struct strbuf *err)
+{
+ if (!branch->push_tracking_ref)
+ branch->push_tracking_ref = branch_get_push_1(branch, err);
+ return branch->push_tracking_ref;
}
static int ignore_symref_update(const char *refname)
{
- unsigned char sha1[20];
+ struct object_id oid;
int flag;
- if (!resolve_ref_unsafe(refname, sha1, 0, &flag))
+ if (!resolve_ref_unsafe(refname, 0, oid.hash, &flag))
return 0; /* non-existing refs are OK */
return (flag & REF_ISSYMREF);
}
{
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 (refspec->exact_sha1) {
ref_map = alloc_ref(name);
- get_sha1_hex(name, ref_map->old_sha1);
+ get_oid_hex(name, &ref_map->old_oid);
} else {
ref_map = get_remote_ref(remote_refs, name);
}
return 0;
for (; list; list = list->next)
if (!strcmp(ref->symref, list->name)) {
- hashcpy(ref->old_sha1, list->old_sha1);
+ oidcpy(&ref->old_oid, &list->old_oid);
return 0;
}
return 1;
static void unmark_and_free(struct commit_list *list, unsigned int mark)
{
while (list) {
- struct commit_list *temp = list;
- temp->item->object.flags &= ~mark;
- list = temp->next;
- free(temp);
+ struct commit *commit = pop_commit(&list);
+ commit->object.flags &= ~mark;
}
}
-int ref_newer(const unsigned char *new_sha1, const unsigned char *old_sha1)
+int ref_newer(const struct object_id *new_oid, const struct object_id *old_oid)
{
struct object *o;
struct commit *old, *new;
* Both new and old must be commit-ish and new is descendant of
* old. Otherwise we require --force.
*/
- o = deref_tag(parse_object(old_sha1), NULL, 0);
+ o = deref_tag(parse_object(old_oid->hash), NULL, 0);
if (!o || o->type != OBJ_COMMIT)
return 0;
old = (struct commit *) o;
- o = deref_tag(parse_object(new_sha1), NULL, 0);
+ o = deref_tag(parse_object(new_oid->hash), NULL, 0);
if (!o || o->type != OBJ_COMMIT)
return 0;
new = (struct commit *) o;
/*
* Compare a branch with its upstream, and save their differences (number
- * of commits) in *num_ours and *num_theirs.
+ * of commits) in *num_ours and *num_theirs. The name of the upstream branch
+ * (or NULL if no upstream is defined) is returned via *upstream_name, if it
+ * is not itself NULL.
*
- * Return 0 if branch has no upstream (no base), -1 if upstream is missing
- * (with "gone" base), otherwise 1 (with base).
+ * Returns -1 if num_ours and num_theirs could not be filled in (e.g., no
+ * upstream defined, or ref does not exist), 0 otherwise.
*/
-int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs)
+int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs,
+ const char **upstream_name)
{
- unsigned char sha1[20];
+ struct object_id oid;
struct commit *ours, *theirs;
- char symmetric[84];
struct rev_info revs;
- const char *rev_argv[10], *base;
- int rev_argc;
+ const char *base;
+ struct argv_array argv = ARGV_ARRAY_INIT;
/* Cannot stat unless we are marked to build on top of somebody else. */
- if (!branch ||
- !branch->merge || !branch->merge[0] || !branch->merge[0]->dst)
- return 0;
+ base = branch_get_upstream(branch, NULL);
+ if (upstream_name)
+ *upstream_name = base;
+ if (!base)
+ return -1;
/* Cannot stat if what we used to build on no longer exists */
- base = branch->merge[0]->dst;
- if (read_ref(base, sha1))
+ if (read_ref(base, oid.hash))
return -1;
- theirs = lookup_commit_reference(sha1);
+ theirs = lookup_commit_reference(oid.hash);
if (!theirs)
return -1;
- if (read_ref(branch->refname, sha1))
+ if (read_ref(branch->refname, oid.hash))
return -1;
- ours = lookup_commit_reference(sha1);
+ ours = lookup_commit_reference(oid.hash);
if (!ours)
return -1;
/* are we the same? */
if (theirs == ours) {
*num_theirs = *num_ours = 0;
- return 1;
+ return 0;
}
/* Run "rev-list --left-right ours...theirs" internally... */
- rev_argc = 0;
- rev_argv[rev_argc++] = NULL;
- rev_argv[rev_argc++] = "--left-right";
- rev_argv[rev_argc++] = symmetric;
- rev_argv[rev_argc++] = "--";
- rev_argv[rev_argc] = NULL;
-
- strcpy(symmetric, sha1_to_hex(ours->object.sha1));
- strcpy(symmetric + 40, "...");
- strcpy(symmetric + 43, sha1_to_hex(theirs->object.sha1));
+ argv_array_push(&argv, ""); /* ignored */
+ argv_array_push(&argv, "--left-right");
+ argv_array_pushf(&argv, "%s...%s",
+ oid_to_hex(&ours->object.oid),
+ oid_to_hex(&theirs->object.oid));
+ argv_array_push(&argv, "--");
init_revisions(&revs, NULL);
- setup_revisions(rev_argc, rev_argv, &revs, NULL);
- prepare_revision_walk(&revs);
+ setup_revisions(argv.argc, argv.argv, &revs, NULL);
+ if (prepare_revision_walk(&revs))
+ die("revision walk setup failed");
/* ... and count the commits on each side. */
*num_ours = 0;
/* clear object flags smudged by the above traversal */
clear_commit_marks(ours, ALL_REV_FLAGS);
clear_commit_marks(theirs, ALL_REV_FLAGS);
- return 1;
+
+ argv_array_clear(&argv);
+ return 0;
}
/*
int format_tracking_info(struct branch *branch, struct strbuf *sb)
{
int ours, theirs;
- const char *base;
+ const char *full_base;
+ char *base;
int upstream_is_gone = 0;
- switch (stat_tracking_info(branch, &ours, &theirs)) {
- case 0:
- /* no base */
- return 0;
- case -1:
- /* with "gone" base */
+ if (stat_tracking_info(branch, &ours, &theirs, &full_base) < 0) {
+ if (!full_base)
+ return 0;
upstream_is_gone = 1;
- break;
- default:
- /* with base */
- break;
}
- base = branch->merge[0]->dst;
- base = shorten_unambiguous_ref(base, 0);
+ base = shorten_unambiguous_ref(full_base, 0);
if (upstream_is_gone) {
strbuf_addf(sb,
_("Your branch is based on '%s', but the upstream is gone.\n"),
strbuf_addf(sb,
_(" (use \"git pull\" to merge the remote branch into yours)\n"));
}
+ free(base);
return 1;
}
-static int one_local_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
+static int one_local_ref(const char *refname, const struct object_id *oid,
+ int flag, void *cb_data)
{
struct ref ***local_tail = cb_data;
struct ref *ref;
len = strlen(refname) + 1;
ref = xcalloc(1, sizeof(*ref) + len);
- hashcpy(ref->new_sha1, sha1);
+ oidcpy(&ref->new_oid, oid);
memcpy(ref->name, refname, len);
**local_tail = ref;
*local_tail = &ref->next;
struct ref *get_local_heads(void)
{
struct ref *local_refs = NULL, **local_tail = &local_refs;
+
for_each_ref(one_local_ref, &local_tail);
return local_refs;
}
/* If refs/heads/master could be right, it is. */
if (!all) {
r = find_ref_by_name(refs, "refs/heads/master");
- if (r && !hashcmp(r->old_sha1, head->old_sha1))
+ if (r && !oidcmp(&r->old_oid, &head->old_oid))
return copy_ref(r);
}
for (r = refs; r; r = r->next) {
if (r != head &&
starts_with(r->name, "refs/heads/") &&
- !hashcmp(r->old_sha1, head->old_sha1)) {
+ !oidcmp(&r->old_oid, &head->old_oid)) {
*tail = copy_ref(r);
tail = &((*tail)->next);
if (!all)
int ref_count;
};
-static int get_stale_heads_cb(const char *refname,
- const unsigned char *sha1, int flags, void *cb_data)
+static int get_stale_heads_cb(const char *refname, const struct object_id *oid,
+ int flags, void *cb_data)
{
struct stale_heads_info *info = cb_data;
+ struct string_list matches = STRING_LIST_INIT_DUP;
struct refspec query;
+ int i, stale = 1;
memset(&query, 0, sizeof(struct refspec));
query.dst = (char *)refname;
- if (query_refspecs(info->refs, info->ref_count, &query))
- return 0; /* No matches */
+ query_refspecs_multiple(info->refs, info->ref_count, &query, &matches);
+ if (matches.nr == 0)
+ goto clean_exit; /* No matches */
/*
* If we did find a suitable refspec and it's not a symref and
* it's not in the list of refs that currently exist in that
- * remote we consider it to be stale.
+ * remote, we consider it to be stale. In order to deal with
+ * overlapping refspecs, we need to go over all of the
+ * matching refs.
*/
- if (!((flags & REF_ISSYMREF) ||
- string_list_has_string(info->ref_names, query.src))) {
+ if (flags & REF_ISSYMREF)
+ goto clean_exit;
+
+ for (i = 0; stale && i < matches.nr; i++)
+ if (string_list_has_string(info->ref_names, matches.items[i].string))
+ stale = 0;
+
+ if (stale) {
struct ref *ref = make_linked_ref(refname, &info->stale_refs_tail);
- hashcpy(ref->new_sha1, sha1);
+ oidcpy(&ref->new_oid, oid);
}
- free(query.src);
+clean_exit:
+ string_list_clear(&matches, 0);
return 0;
}
struct ref *ref, *stale_refs = NULL;
struct string_list ref_names = STRING_LIST_INIT_NODUP;
struct stale_heads_info info;
+
info.ref_names = &ref_names;
info.stale_refs_tail = &stale_refs;
info.refs = refs;
info.ref_count = ref_count;
for (ref = fetch_map; ref; ref = ref->next)
string_list_append(&ref_names, ref->name);
- sort_string_list(&ref_names);
+ string_list_sort(&ref_names);
for_each_ref(get_stale_heads_cb, &info);
string_list_clear(&ref_names, 0);
return stale_refs;
/*
* Compare-and-swap
*/
-void clear_cas_option(struct push_cas_option *cas)
+static void clear_cas_option(struct push_cas_option *cas)
{
int i;
* If we cannot do so, return negative to signal an error.
*/
static int remote_tracking(struct remote *remote, const char *refname,
- unsigned char sha1[20])
+ struct object_id *oid)
{
char *dst;
dst = apply_refspecs(remote->fetch, remote->fetch_refspec_nr, refname);
if (!dst)
return -1; /* no tracking ref for refname at remote */
- if (read_ref(dst, sha1))
+ if (read_ref(dst, oid->hash))
return -1; /* we know what the tracking ref is but we cannot read it */
return 0;
}
/* 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)
- hashcpy(ref->old_sha1_expect, cas->entry[i].expect);
- else if (remote_tracking(remote, ref->name, ref->old_sha1_expect))
+ hashcpy(ref->old_oid_expect.hash, cas->entry[i].expect);
+ else if (remote_tracking(remote, ref->name, &ref->old_oid_expect))
ref->expect_old_no_trackback = 1;
return;
}
return;
ref->expect_old_sha1 = 1;
- if (remote_tracking(remote, ref->name, ref->old_sha1_expect))
+ if (remote_tracking(remote, ref->name, &ref->old_oid_expect))
ref->expect_old_no_trackback = 1;
}