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>
This commit is contained in:
Daniel Barkalow 2007-05-12 11:45:53 -04:00 committed by Junio C Hamano
parent 93d496a560
commit 5751f49010
4 changed files with 264 additions and 172 deletions

View File

@ -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 \

View File

@ -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];

223
remote.c Normal file
View File

@ -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;
}

18
remote.h Normal file
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@ -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