#include "revision.h"
#include "dir.h"
#include "tag.h"
+#include "string-list.h"
static struct refspec s_tag_refspec = {
0,
int instead_of_nr;
int instead_of_alloc;
};
+struct rewrites {
+ struct rewrite **rewrite;
+ int rewrite_alloc;
+ int rewrite_nr;
+};
static struct remote **remotes;
static int remotes_alloc;
static const char *default_remote_name;
static int explicit_default_remote_name;
-static struct rewrite **rewrite;
-static int rewrite_alloc;
-static int rewrite_nr;
+static struct rewrites rewrites;
+static struct rewrites rewrites_push;
#define BUF_SIZE (2048)
static char buffer[BUF_SIZE];
-static const char *alias_url(const char *url)
+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;
longest = NULL;
longest_i = -1;
- for (i = 0; i < rewrite_nr; i++) {
- if (!rewrite[i])
+ for (i = 0; i < r->rewrite_nr; i++) {
+ if (!r->rewrite[i])
continue;
- for (j = 0; j < rewrite[i]->instead_of_nr; j++) {
- if (!prefixcmp(url, rewrite[i]->instead_of[j].s) &&
+ for (j = 0; j < r->rewrite[i]->instead_of_nr; j++) {
+ if (!prefixcmp(url, r->rewrite[i]->instead_of[j].s) &&
(!longest ||
- longest->len < rewrite[i]->instead_of[j].len)) {
- longest = &(rewrite[i]->instead_of[j]);
+ longest->len < r->rewrite[i]->instead_of[j].len)) {
+ longest = &(r->rewrite[i]->instead_of[j]);
longest_i = i;
}
}
if (!longest)
return url;
- ret = xmalloc(rewrite[longest_i]->baselen +
+ ret = xmalloc(r->rewrite[longest_i]->baselen +
(strlen(url) - longest->len) + 1);
- strcpy(ret, rewrite[longest_i]->base);
- strcpy(ret + rewrite[longest_i]->baselen, url + longest->len);
+ strcpy(ret, r->rewrite[longest_i]->base);
+ strcpy(ret + r->rewrite[longest_i]->baselen, url + longest->len);
return ret;
}
remote->url[remote->url_nr++] = url;
}
+static void add_pushurl(struct remote *remote, const char *pushurl)
+{
+ ALLOC_GROW(remote->pushurl, remote->pushurl_nr + 1, remote->pushurl_alloc);
+ remote->pushurl[remote->pushurl_nr++] = pushurl;
+}
+
+static void add_pushurl_alias(struct remote *remote, const char *url)
+{
+ const char *pushurl = alias_url(url, &rewrites_push);
+ if (pushurl != url)
+ add_pushurl(remote, pushurl);
+}
+
static void add_url_alias(struct remote *remote, const char *url)
{
- add_url(remote, alias_url(url));
+ add_url(remote, alias_url(url, &rewrites));
+ add_pushurl_alias(remote, url);
}
static struct remote *make_remote(const char *name, int len)
return ret;
}
-static struct rewrite *make_rewrite(const char *base, int len)
+static struct rewrite *make_rewrite(struct rewrites *r, const char *base, int len)
{
struct rewrite *ret;
int i;
- for (i = 0; i < rewrite_nr; i++) {
+ for (i = 0; i < r->rewrite_nr; i++) {
if (len
- ? (len == rewrite[i]->baselen &&
- !strncmp(base, rewrite[i]->base, len))
- : !strcmp(base, rewrite[i]->base))
- return rewrite[i];
+ ? (len == r->rewrite[i]->baselen &&
+ !strncmp(base, r->rewrite[i]->base, len))
+ : !strcmp(base, r->rewrite[i]->base))
+ return r->rewrite[i];
}
- ALLOC_GROW(rewrite, rewrite_nr + 1, rewrite_alloc);
+ ALLOC_GROW(r->rewrite, r->rewrite_nr + 1, r->rewrite_alloc);
ret = xcalloc(1, sizeof(struct rewrite));
- rewrite[rewrite_nr++] = ret;
+ r->rewrite[r->rewrite_nr++] = ret;
if (len) {
ret->base = xstrndup(base, len);
ret->baselen = len;
strbuf_addstr(&branch, "HEAD:");
}
add_url_alias(remote, p);
- add_fetch_refspec(remote, strbuf_detach(&branch, 0));
+ add_fetch_refspec(remote, strbuf_detach(&branch, NULL));
/*
* Cogito compatible push: push current HEAD to remote #branch
* (master if missing)
strbuf_addf(&branch, ":refs/heads/%s", frag);
else
strbuf_addstr(&branch, ":refs/heads/master");
- add_push_refspec(remote, strbuf_detach(&branch, 0));
+ add_push_refspec(remote, strbuf_detach(&branch, NULL));
remote->fetch_tags = 1; /* always auto-follow */
}
subkey = strrchr(name, '.');
if (!subkey)
return 0;
- rewrite = make_rewrite(name, subkey - name);
if (!strcmp(subkey, ".insteadof")) {
+ rewrite = make_rewrite(&rewrites, name, subkey - name);
+ if (!value)
+ return config_error_nonbool(key);
+ add_instead_of(rewrite, xstrdup(value));
+ } else if (!strcmp(subkey, ".pushinsteadof")) {
+ rewrite = make_rewrite(&rewrites_push, name, subkey - name);
if (!value)
return config_error_nonbool(key);
add_instead_of(rewrite, xstrdup(value));
remote->mirror = git_config_bool(key, value);
else if (!strcmp(subkey, ".skipdefaultupdate"))
remote->skip_default_update = git_config_bool(key, value);
-
+ else if (!strcmp(subkey, ".skipfetchall"))
+ remote->skip_default_update = git_config_bool(key, value);
else if (!strcmp(subkey, ".url")) {
const char *v;
if (git_config_string(&v, key, value))
return -1;
add_url(remote, v);
+ } else if (!strcmp(subkey, ".pushurl")) {
+ const char *v;
+ if (git_config_string(&v, key, value))
+ return -1;
+ add_pushurl(remote, v);
} else if (!strcmp(subkey, ".push")) {
const char *v;
if (git_config_string(&v, key, value))
} else if (!strcmp(subkey, ".tagopt")) {
if (!strcmp(value, "--no-tags"))
remote->fetch_tags = -1;
+ else if (!strcmp(value, "--tags"))
+ remote->fetch_tags = 2;
} else if (!strcmp(subkey, ".proxy")) {
return git_config_string((const char **)&remote->http_proxy,
key, value);
+ } else if (!strcmp(subkey, ".vcs")) {
+ return git_config_string(&remote->foreign_vcs, key, value);
}
return 0;
}
{
int i, j;
for (i = 0; i < remotes_nr; i++) {
+ int add_pushurl_aliases;
if (!remotes[i])
continue;
+ for (j = 0; j < remotes[i]->pushurl_nr; j++) {
+ remotes[i]->pushurl[j] = alias_url(remotes[i]->pushurl[j], &rewrites);
+ }
+ add_pushurl_aliases = remotes[i]->pushurl_nr == 0;
for (j = 0; j < remotes[i]->url_nr; j++) {
- remotes[i]->url[j] = alias_url(remotes[i]->url[j]);
+ if (add_pushurl_aliases)
+ add_pushurl_alias(remotes[i], remotes[i]->url[j]);
+ remotes[i]->url[j] = alias_url(remotes[i]->url[j], &rewrites);
}
}
}
unsigned char sha1[20];
const char *head_ref;
int flag;
- if (default_remote_name) // did this already
+ if (default_remote_name) /* did this already */
return;
default_remote_name = xstrdup("origin");
current_branch = NULL;
alias_all_urls();
}
-/*
- * We need to make sure the tracking branches are well formed, but a
- * wildcard refspec in "struct refspec" must have a trailing slash. We
- * temporarily drop the trailing '/' while calling check_ref_format(),
- * and put it back. The caller knows that a CHECK_REF_FORMAT_ONELEVEL
- * error return is Ok for a wildcard refspec.
- */
-static int verify_refname(char *name, int is_glob)
-{
- int result;
-
- result = check_ref_format(name);
- if (is_glob && result == CHECK_REF_FORMAT_WILDCARD)
- result = CHECK_REF_FORMAT_OK;
- return result;
-}
-
/*
* This function frees a refspec array.
* Warning: code paths should be checked to ensure that the src
static struct refspec *parse_refspec_internal(int nr_refspec, const char **refspec, int fetch, int verify)
{
int i;
- int st;
struct refspec *rs = xcalloc(sizeof(*rs), nr_refspec);
for (i = 0; i < nr_refspec; i++) {
size_t llen;
int is_glob;
const char *lhs, *rhs;
+ int flags;
is_glob = 0;
rs[i].pattern = is_glob;
rs[i].src = xstrndup(lhs, llen);
+ flags = REFNAME_ALLOW_ONELEVEL | (is_glob ? REFNAME_REFSPEC_PATTERN : 0);
if (fetch) {
/*
*/
if (!*rs[i].src)
; /* empty is ok */
- else {
- st = verify_refname(rs[i].src, is_glob);
- if (st && st != CHECK_REF_FORMAT_ONELEVEL)
- goto invalid;
- }
+ else if (check_refname_format(rs[i].src, flags))
+ goto invalid;
/*
* RHS
* - missing is ok, and is same as empty.
* - empty is ok; it means not to store.
* - otherwise it must be a valid looking ref.
*/
- if (!rs[i].dst) {
+ if (!rs[i].dst)
; /* ok */
- } else if (!*rs[i].dst) {
+ else if (!*rs[i].dst)
; /* ok */
- } else {
- st = verify_refname(rs[i].dst, is_glob);
- if (st && st != CHECK_REF_FORMAT_ONELEVEL)
- goto invalid;
- }
+ else if (check_refname_format(rs[i].dst, flags))
+ goto invalid;
} else {
/*
* LHS
if (!*rs[i].src)
; /* empty is ok */
else if (is_glob) {
- st = verify_refname(rs[i].src, is_glob);
- if (st && st != CHECK_REF_FORMAT_ONELEVEL)
+ if (check_refname_format(rs[i].src, flags))
goto invalid;
}
else
* - otherwise it must be a valid looking ref.
*/
if (!rs[i].dst) {
- st = verify_refname(rs[i].src, is_glob);
- if (st && st != CHECK_REF_FORMAT_ONELEVEL)
+ if (check_refname_format(rs[i].src, flags))
goto invalid;
} else if (!*rs[i].dst) {
goto invalid;
} else {
- st = verify_refname(rs[i].dst, is_glob);
- if (st && st != CHECK_REF_FORMAT_ONELEVEL)
+ if (check_refname_format(rs[i].dst, flags))
goto invalid;
}
}
int valid_fetch_refspec(const char *fetch_refspec_str)
{
- const char *fetch_refspec[] = { fetch_refspec_str };
struct refspec *refspec;
- refspec = parse_refspec_internal(1, fetch_refspec, 1, 1);
+ refspec = parse_refspec_internal(1, &fetch_refspec_str, 1, 1);
free_refspecs(refspec, 1);
return !!refspec;
}
return parse_refspec_internal(nr_refspec, refspec, 0, 0);
}
+void free_refspec(int nr_refspec, struct refspec *refspec)
+{
+ int i;
+ for (i = 0; i < nr_refspec; i++) {
+ free(refspec[i].src);
+ free(refspec[i].dst);
+ }
+ free(refspec);
+}
+
static int valid_remote_nick(const char *name)
{
if (!name[0] || is_dot_or_dotdot(name))
ret = make_remote(name, 0);
if (valid_remote_nick(name)) {
- if (!ret->url)
+ if (!valid_remote(ret))
read_remotes_file(ret);
- if (!ret->url)
+ if (!valid_remote(ret))
read_branches_file(ret);
}
- if (name_given && !ret->url)
+ if (name_given && !valid_remote(ret))
add_url_alias(ret, name);
- if (!ret->url)
+ if (!valid_remote(ret))
return NULL;
ret->fetch = parse_fetch_refspec(ret->fetch_refspec_nr, ret->fetch_refspec);
ret->push = parse_push_refspec(ret->push_refspec_nr, ret->push_refspec);
void ref_remove_duplicates(struct ref *ref_map)
{
- struct ref **posn;
- struct ref *next;
- for (; ref_map; ref_map = ref_map->next) {
+ 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;
- posn = &ref_map->next;
- while (*posn) {
- if ((*posn)->peer_ref &&
- !strcmp((*posn)->peer_ref->name,
- ref_map->peer_ref->name)) {
- if (strcmp((*posn)->name, ref_map->name))
- die("%s tracks both %s and %s",
- ref_map->peer_ref->name,
- (*posn)->name, ref_map->name);
- next = (*posn)->next;
- free((*posn)->peer_ref);
- free(*posn);
- *posn = next;
- } else {
- posn = &(*posn)->next;
- }
+
+ 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;
}
+
+ item = string_list_insert(&refs, ref_map->peer_ref->name);
+ item->util = ref_map;
}
+ string_list_clear(&refs, 0);
}
int remote_has_url(struct remote *remote, const char *url)
return ret;
}
-int remote_find_tracking(struct remote *remote, struct refspec *refspec)
+static int query_refspecs(struct refspec *refs, int ref_count, struct refspec *query)
{
- int find_src = refspec->src == NULL;
- char *needle, **result;
int i;
+ int find_src = !query->src;
- if (find_src) {
- if (!refspec->dst)
- return error("find_tracking: need either src or dst");
- needle = refspec->dst;
- result = &refspec->src;
- } else {
- needle = refspec->src;
- result = &refspec->dst;
- }
+ if (find_src && !query->dst)
+ return error("query_refspecs: need either src or dst");
- for (i = 0; i < remote->fetch_refspec_nr; i++) {
- struct refspec *fetch = &remote->fetch[i];
- const char *key = find_src ? fetch->dst : fetch->src;
- const char *value = find_src ? fetch->src : fetch->dst;
- if (!fetch->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 (fetch->pattern) {
+ if (refspec->pattern) {
if (match_name_with_pattern(key, needle, value, result)) {
- refspec->force = fetch->force;
+ query->force = refspec->force;
return 0;
}
} else if (!strcmp(needle, key)) {
*result = xstrdup(value);
- refspec->force = fetch->force;
+ query->force = refspec->force;
return 0;
}
}
return -1;
}
+char *apply_refspecs(struct refspec *refspecs, int nr_refspec,
+ const char *name)
+{
+ struct refspec query;
+
+ memset(&query, 0, sizeof(struct refspec));
+ query.src = (char *)name;
+
+ if (query_refspecs(refspecs, nr_refspec, &query))
+ return NULL;
+
+ return query.dst;
+}
+
+int remote_find_tracking(struct remote *remote, struct refspec *refspec)
+{
+ return query_refspecs(remote->fetch, remote->fetch_refspec_nr, refspec);
+}
+
static struct ref *alloc_ref_with_prefix(const char *prefix, size_t prefixlen,
const char *name)
{
return alloc_ref_with_prefix("", 0, name);
}
-static struct ref *copy_ref(const struct ref *ref)
+struct ref *copy_ref(const struct ref *ref)
{
struct ref *cpy;
size_t len;
case 0:
if (!memcmp(dst_value, "refs/", 5))
matched_dst = make_linked_ref(dst_value, dst_tail);
- else if((dst_guess = guess_ref(dst_value, matched_src)))
+ else if ((dst_guess = guess_ref(dst_value, matched_src)))
matched_dst = make_linked_ref(dst_guess, dst_tail);
else
error("unable to push to unqualified destination: %s\n"
return NULL;
}
+static struct ref **tail_ref(struct ref **head)
+{
+ struct ref **tail = head;
+ while (*tail)
+ tail = &((*tail)->next);
+ return tail;
+}
+
/*
- * Note. This is used only by "push"; refspec matching rules for
- * push and fetch are subtly different, so do not try to reuse it
- * without thinking.
+ * Given the set of refs the local repository has, the set of refs the
+ * remote repository has, and the refspec used for push, determine
+ * what remote refs we will update and with what value by setting
+ * peer_ref (which object is being pushed) and force (if the push is
+ * forced) in elements of "dst". The function may add new elements to
+ * dst (e.g. pushing to a new branch, done in match_explicit_refs).
*/
-int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail,
- int nr_refspec, const char **refspec, int flags)
+int match_push_refs(struct ref *src, struct ref **dst,
+ int nr_refspec, const char **refspec, int flags)
{
struct refspec *rs;
int send_all = flags & MATCH_REFS_ALL;
int send_mirror = flags & MATCH_REFS_MIRROR;
int errs;
- static const char *default_refspec[] = { ":", 0 };
+ static const char *default_refspec[] = { ":", NULL };
+ struct ref **dst_tail = tail_ref(dst);
if (!nr_refspec) {
nr_refspec = 1;
refspec = default_refspec;
}
rs = parse_push_refspec(nr_refspec, (const char **) refspec);
- errs = match_explicit_refs(src, dst, dst_tail, rs, nr_refspec);
+ errs = match_explicit_refs(src, *dst, &dst_tail, rs, nr_refspec);
/* pick the remainder */
for ( ; src; src = src->next) {
dst_side, &dst_name))
die("Didn't think it matches any more");
}
- dst_peer = find_ref_by_name(dst, dst_name);
+ dst_peer = find_ref_by_name(*dst, dst_name);
if (dst_peer) {
if (dst_peer->peer_ref)
/* We're already sending something to this ref. */
goto free_name;
/* Create a new one and link it */
- dst_peer = make_linked_ref(dst_name, dst_tail);
+ dst_peer = make_linked_ref(dst_name, &dst_tail);
hashcpy(dst_peer->new_sha1, src->new_sha1);
}
dst_peer->peer_ref = copy_ref(src);
return 0;
}
+void set_ref_status_for_push(struct ref *remote_refs, int send_mirror,
+ int force_update)
+{
+ struct ref *ref;
+
+ for (ref = remote_refs; ref; ref = ref->next) {
+ if (ref->peer_ref)
+ hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
+ else if (!send_mirror)
+ continue;
+
+ ref->deletion = is_null_sha1(ref->new_sha1);
+ if (!ref->deletion &&
+ !hashcmp(ref->old_sha1, ref->new_sha1)) {
+ ref->status = REF_STATUS_UPTODATE;
+ continue;
+ }
+
+ /* This part determines what can overwrite what.
+ * The rules are:
+ *
+ * (0) you can always use --force or +A:B notation to
+ * selectively force individual ref pairs.
+ *
+ * (1) if the old thing does not exist, it is OK.
+ *
+ * (2) if you do not have the old thing, you are not allowed
+ * to overwrite it; you would not know what you are losing
+ * otherwise.
+ *
+ * (3) if both new and old are commit-ish, and new is a
+ * descendant of old, it is OK.
+ *
+ * (4) regardless of all of the above, removing :B is
+ * always allowed.
+ */
+
+ ref->nonfastforward =
+ !ref->deletion &&
+ !is_null_sha1(ref->old_sha1) &&
+ (!has_sha1_file(ref->old_sha1)
+ || !ref_newer(ref->new_sha1, ref->old_sha1));
+
+ if (ref->nonfastforward && !ref->force && !force_update) {
+ ref->status = REF_STATUS_REJECT_NONFASTFORWARD;
+ continue;
+ }
+ }
+}
+
struct branch *branch_get(const char *name)
{
struct branch *ret;
static struct ref *get_local_ref(const char *name)
{
- if (!name)
+ if (!name || name[0] == '\0')
return NULL;
if (!prefixcmp(name, "refs/"))
for (rmp = &ref_map; *rmp; ) {
if ((*rmp)->peer_ref) {
- int st = check_ref_format((*rmp)->peer_ref->name + 5);
- if (st && st != CHECK_REF_FORMAT_ONELEVEL) {
+ if (check_refname_format((*rmp)->peer_ref->name + 5,
+ REFNAME_ALLOW_ONELEVEL)) {
struct ref *ignore = *rmp;
error("* Ignoring funny ref '%s' locally",
(*rmp)->peer_ref->name);
base = branch->merge[0]->dst;
if (!resolve_ref(base, sha1, 1, NULL))
return 0;
- theirs = lookup_commit(sha1);
+ theirs = lookup_commit_reference(sha1);
if (!theirs)
return 0;
if (!resolve_ref(branch->refname, sha1, 1, NULL))
return 0;
- ours = lookup_commit(sha1);
+ ours = lookup_commit_reference(sha1);
if (!ours)
return 0;
int len;
/* we already know it starts with refs/ to get here */
- if (check_ref_format(refname + 5))
+ if (check_refname_format(refname + 5, 0))
return 0;
len = strlen(refname) + 1;
/* Look for another ref that points there */
for (r = refs; r; r = r->next) {
- if (r != head && !hashcmp(r->old_sha1, head->old_sha1)) {
+ if (r != head &&
+ !prefixcmp(r->name, "refs/heads/") &&
+ !hashcmp(r->old_sha1, head->old_sha1)) {
*tail = copy_ref(r);
tail = &((*tail)->next);
if (!all)
return list;
}
+
+struct stale_heads_info {
+ struct string_list *ref_names;
+ struct ref **stale_refs_tail;
+ struct refspec *refs;
+ int ref_count;
+};
+
+static int get_stale_heads_cb(const char *refname,
+ const unsigned char *sha1, int flags, void *cb_data)
+{
+ struct stale_heads_info *info = cb_data;
+ struct refspec query;
+ memset(&query, 0, sizeof(struct refspec));
+ query.dst = (char *)refname;
+
+ if (query_refspecs(info->refs, info->ref_count, &query))
+ return 0; /* 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.
+ */
+ if (!((flags & REF_ISSYMREF) ||
+ string_list_has_string(info->ref_names, query.src))) {
+ struct ref *ref = make_linked_ref(refname, &info->stale_refs_tail);
+ hashcpy(ref->new_sha1, sha1);
+ }
+
+ free(query.src);
+ return 0;
+}
+
+struct ref *get_stale_heads(struct refspec *refs, int ref_count, struct ref *fetch_map)
+{
+ 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);
+ for_each_ref(get_stale_heads_cb, &info);
+ string_list_clear(&ref_names, 0);
+ return stale_refs;
+}
projects / thirdparty / git.git / blobdiff