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authorDaniel Barkalow <barkalow@iabervon.org>2007-05-12 11:45:53 -0400
committerJunio C Hamano <junkio@cox.net>2007-05-20 21:32:56 -0700
commit5751f49010ec54164b93529e31165e71f5996856 (patch)
tree7d56b34b50d596d25cd8dd396c3155828e27d021
parent93d496a560cdcd4f72c8dee1b0b2efa324e1c3bb (diff)
downloadgit-5751f49010ec54164b93529e31165e71f5996856.tar.gz
Move remote parsing into a library file out of builtin-push.
The new parser is different from the one in builtin-push in two ways: the default is to use the current branch's remote, if there is one, before "origin"; and config is used in preference to remotes. Signed-off-by: Daniel Barkalow <barkalow@iabervon.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
-rw-r--r--Makefile5
-rw-r--r--builtin-push.c190
-rw-r--r--remote.c223
-rw-r--r--remote.h18
4 files changed, 264 insertions, 172 deletions
diff --git a/Makefile b/Makefile
index 29243c6e8b..35864ed3c4 100644
--- a/Makefile
+++ b/Makefile
@@ -296,7 +296,8 @@ LIB_H = \
diff.h object.h pack.h pkt-line.h quote.h refs.h list-objects.h sideband.h \
run-command.h strbuf.h tag.h tree.h git-compat-util.h revision.h \
tree-walk.h log-tree.h dir.h path-list.h unpack-trees.h builtin.h \
- utf8.h reflog-walk.h patch-ids.h attr.h decorate.h progress.h mailmap.h
+ utf8.h reflog-walk.h patch-ids.h attr.h decorate.h progress.h \
+ mailmap.h remote.h
DIFF_OBJS = \
diff.o diff-lib.o diffcore-break.o diffcore-order.o \
@@ -318,7 +319,7 @@ LIB_OBJS = \
write_or_die.o trace.o list-objects.o grep.o match-trees.o \
alloc.o merge-file.o path-list.o help.o unpack-trees.o $(DIFF_OBJS) \
color.o wt-status.o archive-zip.o archive-tar.o shallow.o utf8.o \
- convert.o attr.o decorate.o progress.o mailmap.o symlinks.o
+ convert.o attr.o decorate.o progress.o mailmap.o symlinks.o remote.o
BUILTIN_OBJS = \
builtin-add.o \
diff --git a/builtin-push.c b/builtin-push.c
index cb78401c94..0e602f3bf2 100644
--- a/builtin-push.c
+++ b/builtin-push.c
@@ -5,17 +5,13 @@
#include "refs.h"
#include "run-command.h"
#include "builtin.h"
-
-#define MAX_URI (16)
+#include "remote.h"
static const char push_usage[] = "git-push [--all] [--tags] [--receive-pack=<git-receive-pack>] [--repo=all] [-f | --force] [-v] [<repository> <refspec>...]";
static int all, tags, force, thin = 1, verbose;
static const char *receivepack;
-#define BUF_SIZE (2084)
-static char buffer[BUF_SIZE];
-
static const char **refspec;
static int refspec_nr;
@@ -137,175 +133,29 @@ static void set_refspecs(const char **refs, int nr)
expand_refspecs();
}
-static int get_remotes_uri(const char *repo, const char *uri[MAX_URI])
-{
- int n = 0;
- FILE *f = fopen(git_path("remotes/%s", repo), "r");
- int has_explicit_refspec = refspec_nr || all || tags;
-
- if (!f)
- return -1;
- while (fgets(buffer, BUF_SIZE, f)) {
- int is_refspec;
- char *s, *p;
-
- if (!prefixcmp(buffer, "URL:")) {
- is_refspec = 0;
- s = buffer + 4;
- } else if (!prefixcmp(buffer, "Push:")) {
- is_refspec = 1;
- s = buffer + 5;
- } else
- continue;
-
- /* Remove whitespace at the head.. */
- while (isspace(*s))
- s++;
- if (!*s)
- continue;
-
- /* ..and at the end */
- p = s + strlen(s);
- while (isspace(p[-1]))
- *--p = 0;
-
- if (!is_refspec) {
- if (n < MAX_URI)
- uri[n++] = xstrdup(s);
- else
- error("more than %d URL's specified, ignoring the rest", MAX_URI);
- }
- else if (is_refspec && !has_explicit_refspec) {
- if (!wildcard_ref(s))
- add_refspec(xstrdup(s));
- }
- }
- fclose(f);
- if (!n)
- die("remote '%s' has no URL", repo);
- return n;
-}
-
-static const char **config_uri;
-static const char *config_repo;
-static int config_repo_len;
-static int config_current_uri;
-static int config_get_refspecs;
-static int config_get_receivepack;
-
-static int get_remote_config(const char* key, const char* value)
-{
- if (!prefixcmp(key, "remote.") &&
- !strncmp(key + 7, config_repo, config_repo_len)) {
- if (!strcmp(key + 7 + config_repo_len, ".url")) {
- if (config_current_uri < MAX_URI)
- config_uri[config_current_uri++] = xstrdup(value);
- else
- error("more than %d URL's specified, ignoring the rest", MAX_URI);
- }
- else if (config_get_refspecs &&
- !strcmp(key + 7 + config_repo_len, ".push")) {
- if (!wildcard_ref(value))
- add_refspec(xstrdup(value));
- }
- else if (config_get_receivepack &&
- !strcmp(key + 7 + config_repo_len, ".receivepack")) {
- if (!receivepack) {
- char *rp = xmalloc(strlen(value) + 16);
- sprintf(rp, "--receive-pack=%s", value);
- receivepack = rp;
- } else
- error("more than one receivepack given, using the first");
- }
- }
- return 0;
-}
-
-static int get_config_remotes_uri(const char *repo, const char *uri[MAX_URI])
-{
- config_repo_len = strlen(repo);
- config_repo = repo;
- config_current_uri = 0;
- config_uri = uri;
- config_get_refspecs = !(refspec_nr || all || tags);
- config_get_receivepack = (receivepack == NULL);
-
- git_config(get_remote_config);
- return config_current_uri;
-}
-
-static int get_branches_uri(const char *repo, const char *uri[MAX_URI])
-{
- const char *slash = strchr(repo, '/');
- int n = slash ? slash - repo : 1000;
- FILE *f = fopen(git_path("branches/%.*s", n, repo), "r");
- char *s, *p;
- int len;
-
- if (!f)
- return 0;
- s = fgets(buffer, BUF_SIZE, f);
- fclose(f);
- if (!s)
- return 0;
- while (isspace(*s))
- s++;
- if (!*s)
- return 0;
- p = s + strlen(s);
- while (isspace(p[-1]))
- *--p = 0;
- len = p - s;
- if (slash)
- len += strlen(slash);
- p = xmalloc(len + 1);
- strcpy(p, s);
- if (slash)
- strcat(p, slash);
- uri[0] = p;
- return 1;
-}
-
-/*
- * Read remotes and branches file, fill the push target URI
- * list. If there is no command line refspecs, read Push: lines
- * to set up the *refspec list as well.
- * return the number of push target URIs
- */
-static int read_config(const char *repo, const char *uri[MAX_URI])
-{
- int n;
-
- if (*repo != '/') {
- n = get_remotes_uri(repo, uri);
- if (n > 0)
- return n;
-
- n = get_config_remotes_uri(repo, uri);
- if (n > 0)
- return n;
-
- n = get_branches_uri(repo, uri);
- if (n > 0)
- return n;
- }
-
- uri[0] = repo;
- return 1;
-}
-
static int do_push(const char *repo)
{
- const char *uri[MAX_URI];
- int i, n, errs;
+ int i, errs;
int common_argc;
const char **argv;
int argc;
+ struct remote *remote = remote_get(repo);
- n = read_config(repo, uri);
- if (n <= 0)
+ if (!remote)
die("bad repository '%s'", repo);
+ if (remote->receivepack) {
+ char *rp = xmalloc(strlen(remote->receivepack) + 16);
+ sprintf(rp, "--receive-pack=%s", remote->receivepack);
+ receivepack = rp;
+ }
+ if (!refspec && !all && !tags && remote->push_refspec_nr) {
+ for (i = 0; i < remote->push_refspec_nr; i++) {
+ if (!wildcard_ref(remote->push_refspec[i]))
+ add_refspec(remote->push_refspec[i]);
+ }
+ }
+
argv = xmalloc((refspec_nr + 10) * sizeof(char *));
argv[0] = "dummy-send-pack";
argc = 1;
@@ -318,12 +168,12 @@ static int do_push(const char *repo)
common_argc = argc;
errs = 0;
- for (i = 0; i < n; i++) {
+ for (i = 0; i < remote->uri_nr; i++) {
int err;
int dest_argc = common_argc;
int dest_refspec_nr = refspec_nr;
const char **dest_refspec = refspec;
- const char *dest = uri[i];
+ const char *dest = remote->uri[i];
const char *sender = "send-pack";
if (!prefixcmp(dest, "http://") ||
!prefixcmp(dest, "https://"))
@@ -341,7 +191,7 @@ static int do_push(const char *repo)
if (!err)
continue;
- error("failed to push to '%s'", uri[i]);
+ error("failed to push to '%s'", remote->uri[i]);
switch (err) {
case -ERR_RUN_COMMAND_FORK:
error("unable to fork for %s", sender);
@@ -362,7 +212,7 @@ static int do_push(const char *repo)
int cmd_push(int argc, const char **argv, const char *prefix)
{
int i;
- const char *repo = "origin"; /* default repository */
+ const char *repo = NULL; /* default repository */
for (i = 1; i < argc; i++) {
const char *arg = argv[i];
diff --git a/remote.c b/remote.c
new file mode 100644
index 0000000000..b032e81ac8
--- /dev/null
+++ b/remote.c
@@ -0,0 +1,223 @@
+#include "cache.h"
+#include "remote.h"
+#include "refs.h"
+
+static struct remote **remotes;
+static int allocated_remotes;
+
+#define BUF_SIZE (2048)
+static char buffer[BUF_SIZE];
+
+static void add_push_refspec(struct remote *remote, const char *ref)
+{
+ int nr = remote->push_refspec_nr + 1;
+ remote->push_refspec =
+ xrealloc(remote->push_refspec, nr * sizeof(char *));
+ remote->push_refspec[nr-1] = ref;
+ remote->push_refspec_nr = nr;
+}
+
+static void add_uri(struct remote *remote, const char *uri)
+{
+ int nr = remote->uri_nr + 1;
+ remote->uri =
+ xrealloc(remote->uri, nr * sizeof(char *));
+ remote->uri[nr-1] = uri;
+ remote->uri_nr = nr;
+}
+
+static struct remote *make_remote(const char *name, int len)
+{
+ int i, empty = -1;
+
+ for (i = 0; i < allocated_remotes; i++) {
+ if (!remotes[i]) {
+ if (empty < 0)
+ empty = i;
+ } else {
+ if (len ? (!strncmp(name, remotes[i]->name, len) &&
+ !remotes[i]->name[len]) :
+ !strcmp(name, remotes[i]->name))
+ return remotes[i];
+ }
+ }
+
+ if (empty < 0) {
+ empty = allocated_remotes;
+ allocated_remotes += allocated_remotes ? allocated_remotes : 1;
+ remotes = xrealloc(remotes,
+ sizeof(*remotes) * allocated_remotes);
+ memset(remotes + empty, 0,
+ (allocated_remotes - empty) * sizeof(*remotes));
+ }
+ remotes[empty] = xcalloc(1, sizeof(struct remote));
+ if (len)
+ remotes[empty]->name = xstrndup(name, len);
+ else
+ remotes[empty]->name = xstrdup(name);
+ return remotes[empty];
+}
+
+static void read_remotes_file(struct remote *remote)
+{
+ FILE *f = fopen(git_path("remotes/%s", remote->name), "r");
+
+ if (!f)
+ return;
+ while (fgets(buffer, BUF_SIZE, f)) {
+ int value_list;
+ char *s, *p;
+
+ if (!prefixcmp(buffer, "URL:")) {
+ value_list = 0;
+ s = buffer + 4;
+ } else if (!prefixcmp(buffer, "Push:")) {
+ value_list = 1;
+ s = buffer + 5;
+ } else
+ continue;
+
+ while (isspace(*s))
+ s++;
+ if (!*s)
+ continue;
+
+ p = s + strlen(s);
+ while (isspace(p[-1]))
+ *--p = 0;
+
+ switch (value_list) {
+ case 0:
+ add_uri(remote, xstrdup(s));
+ break;
+ case 1:
+ add_push_refspec(remote, xstrdup(s));
+ break;
+ }
+ }
+ fclose(f);
+}
+
+static void read_branches_file(struct remote *remote)
+{
+ const char *slash = strchr(remote->name, '/');
+ int n = slash ? slash - remote->name : 1000;
+ FILE *f = fopen(git_path("branches/%.*s", n, remote->name), "r");
+ char *s, *p;
+ int len;
+
+ if (!f)
+ return;
+ s = fgets(buffer, BUF_SIZE, f);
+ fclose(f);
+ if (!s)
+ return;
+ while (isspace(*s))
+ s++;
+ if (!*s)
+ return;
+ p = s + strlen(s);
+ while (isspace(p[-1]))
+ *--p = 0;
+ len = p - s;
+ if (slash)
+ len += strlen(slash);
+ p = xmalloc(len + 1);
+ strcpy(p, s);
+ if (slash)
+ strcat(p, slash);
+ add_uri(remote, p);
+}
+
+static char *default_remote_name = NULL;
+static const char *current_branch = NULL;
+static int current_branch_len = 0;
+
+static int handle_config(const char *key, const char *value)
+{
+ const char *name;
+ const char *subkey;
+ struct remote *remote;
+ if (!prefixcmp(key, "branch.") && current_branch &&
+ !strncmp(key + 7, current_branch, current_branch_len) &&
+ !strcmp(key + 7 + current_branch_len, ".remote")) {
+ free(default_remote_name);
+ default_remote_name = xstrdup(value);
+ }
+ if (prefixcmp(key, "remote."))
+ return 0;
+ name = key + 7;
+ subkey = strrchr(name, '.');
+ if (!subkey)
+ return error("Config with no key for remote %s", name);
+ if (*subkey == '/') {
+ warning("Config remote shorthand cannot begin with '/': %s", name);
+ return 0;
+ }
+ remote = make_remote(name, subkey - name);
+ if (!value) {
+ /* if we ever have a boolean variable, e.g. "remote.*.disabled"
+ * [remote "frotz"]
+ * disabled
+ * is a valid way to set it to true; we get NULL in value so
+ * we need to handle it here.
+ *
+ * if (!strcmp(subkey, ".disabled")) {
+ * val = git_config_bool(key, value);
+ * return 0;
+ * } else
+ *
+ */
+ return 0; /* ignore unknown booleans */
+ }
+ if (!strcmp(subkey, ".url")) {
+ add_uri(remote, xstrdup(value));
+ } else if (!strcmp(subkey, ".push")) {
+ add_push_refspec(remote, xstrdup(value));
+ } else if (!strcmp(subkey, ".receivepack")) {
+ if (!remote->receivepack)
+ remote->receivepack = xstrdup(value);
+ else
+ error("more than one receivepack given, using the first");
+ }
+ return 0;
+}
+
+static void read_config(void)
+{
+ unsigned char sha1[20];
+ const char *head_ref;
+ int flag;
+ if (default_remote_name) // did this already
+ return;
+ default_remote_name = xstrdup("origin");
+ current_branch = NULL;
+ head_ref = resolve_ref("HEAD", sha1, 0, &flag);
+ if (head_ref && (flag & REF_ISSYMREF) &&
+ !prefixcmp(head_ref, "refs/heads/")) {
+ current_branch = head_ref + strlen("refs/heads/");
+ current_branch_len = strlen(current_branch);
+ }
+ git_config(handle_config);
+}
+
+struct remote *remote_get(const char *name)
+{
+ struct remote *ret;
+
+ read_config();
+ if (!name)
+ name = default_remote_name;
+ ret = make_remote(name, 0);
+ if (name[0] != '/') {
+ if (!ret->uri)
+ read_remotes_file(ret);
+ if (!ret->uri)
+ read_branches_file(ret);
+ }
+ if (!ret->uri)
+ add_uri(ret, name);
+ if (!ret->uri)
+ return NULL;
+ return ret;
+}
diff --git a/remote.h b/remote.h
new file mode 100644
index 0000000000..73747a8054
--- /dev/null
+++ b/remote.h
@@ -0,0 +1,18 @@
+#ifndef REMOTE_H
+#define REMOTE_H
+
+struct remote {
+ const char *name;
+
+ const char **uri;
+ int uri_nr;
+
+ const char **push_refspec;
+ int push_refspec_nr;
+
+ const char *receivepack;
+};
+
+struct remote *remote_get(const char *name);
+
+#endif