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remote.c: drop default_remote_name variable

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When we read the remote config from disk, we update a
default_remote_name variable if we see branch.*.remote
config for the current branch. This isn't wrong, or even all
that complicated, but it is a bit simpler (because it
reduces our overall state) to just lazily compute the
default when we need it.

The ulterior motive here is that the push config uses a
similar structure, and _is_ much more complicated as a
result. That will be simplified in a future patch, and it's
more readable if the logic for remotes and push-remotes
matches.

Note that we also used default_remote_name as a signal that
the remote config has been loaded; after this patch, we now
use an explicit flag.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King 2015-05-01 18:44:41 -04:00 committed by Junio C Hamano
parent 2dfb2e07cb
commit e41bf352e3
1 changed files with 11 additions and 12 deletions
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23
remote.c
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@ -49,10 +49,8 @@ static int branches_alloc;
static int branches_nr;
static struct branch *current_branch;
static const char *default_remote_name;
static const char *branch_pushremote_name;
static const char *pushremote_name;
static int explicit_default_remote_name;
static struct rewrites rewrites;
static struct rewrites rewrites_push;
@ -367,12 +365,7 @@ static int handle_config(const char *key, const char *value, void *cb)
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(&branch_pushremote_name, key, value))
@ -501,12 +494,15 @@ static void alias_all_urls(void)
static void read_config(void)
{
static int loaded;
unsigned char sha1[20];
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", 0, sha1, &flag);
if (head_ref && (flag & REF_ISSYMREF) &&
@ -708,8 +704,11 @@ static struct remote *remote_get_1(const char *name, const char *pushremote_name
name = pushremote_name;
name_given = 1;
} else {
name = default_remote_name;
name_given = explicit_default_remote_name;
if (current_branch && current_branch->remote_name) {
name = current_branch->remote_name;
name_given = 1;
} else
name = "origin";
}
}