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#include <git2.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "common.h"
static int show_ref__cb(git_remote_head *head, void *payload)
{
char oid[GIT_OID_HEXSZ + 1] = {0};
(void)payload;
git_oid_fmt(oid, &head->oid);
printf("%s\t%s\n", oid, head->name);
return 0;
}
static int use_unnamed(git_repository *repo, const char *url)
{
git_remote *remote = NULL;
int error;
// Create an instance of a remote from the URL. The transport to use
// is detected from the URL
error = git_remote_create_inmemory(&remote, repo, NULL, url);
if (error < 0)
goto cleanup;
// When connecting, the underlying code needs to know wether we
// want to push or fetch
error = git_remote_connect(remote, GIT_DIRECTION_FETCH);
if (error < 0)
goto cleanup;
// With git_remote_ls we can retrieve the advertised heads
error = git_remote_ls(remote, &show_ref__cb, NULL);
cleanup:
git_remote_free(remote);
return error;
}
static int use_remote(git_repository *repo, char *name)
{
git_remote *remote = NULL;
int error;
// Find the remote by name
error = git_remote_load(&remote, repo, name);
if (error < 0)
goto cleanup;
error = git_remote_connect(remote, GIT_DIRECTION_FETCH);
if (error < 0)
goto cleanup;
error = git_remote_ls(remote, &show_ref__cb, NULL);
cleanup:
git_remote_free(remote);
return error;
}
// This gets called to do the work. The remote can be given either as
// the name of a configured remote or an URL.
int ls_remote(git_repository *repo, int argc, char **argv)
{
int error;
if (argc < 2) {
fprintf(stderr, "usage: %s ls-remote <remote>\n", argv[-1]);
return EXIT_FAILURE;
}
/* If there's a ':' in the name, assume it's an URL */
if (strchr(argv[1], ':') != NULL) {
error = use_unnamed(repo, argv[1]);
} else {
error = use_remote(repo, argv[1]);
}
return error;
}
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