/* Attempt to find the repository root url for TARGET, possibly using CTX for
* authentication. If one is found and *ROOT_URL is not NULL, then just check
* that the root url for TARGET matches the value given in *ROOT_URL and
* return an error if it does not. If one is found and *ROOT_URL is NULL then
* set *ROOT_URL to the root url for TARGET, allocated from POOL.
* If a root url is not found for TARGET because it does not exist in the
* repository, then return with no error.
*
* TARGET is a UTF-8 encoded string that is fully canonicalized and escaped.
*/
static svn_error_t *
check_root_url_of_target(const char **root_url,
const char *target,
svn_client_ctx_t *ctx,
apr_pool_t *pool)
{
svn_error_t *err;
const char *tmp_root_url;
const char *truepath;
svn_opt_revision_t opt_rev;
SVN_ERR(svn_opt_parse_path(&opt_rev, &truepath, target, pool));
if (!svn_path_is_url(truepath))
SVN_ERR(svn_dirent_get_absolute(&truepath, truepath, pool));
err = svn_client__get_repos_root(&tmp_root_url, truepath,
ctx, pool, pool);
if (err)
{
/* It is OK if the given target does not exist, it just means
* we will not be able to determine the root url from this particular
* argument.
*
* If the target itself is a URL to a repository that does not exist,
* that's fine, too. The callers will deal with this argument in an
* appropriate manter if it does not make any sense.
*
* Also tolerate locally added targets ("bad revision" error).
*/
if ((err->apr_err == SVN_ERR_ENTRY_NOT_FOUND)
|| (err->apr_err == SVN_ERR_WC_PATH_NOT_FOUND)
|| (err->apr_err == SVN_ERR_WC_NOT_WORKING_COPY)
|| (err->apr_err == SVN_ERR_RA_LOCAL_REPOS_OPEN_FAILED)
|| (err->apr_err == SVN_ERR_CLIENT_BAD_REVISION))
{
svn_error_clear(err);
return SVN_NO_ERROR;
}
else
return svn_error_trace(err);
}
if (*root_url && tmp_root_url)
{
if (strcmp(*root_url, tmp_root_url) != 0)
return svn_error_createf(SVN_ERR_ILLEGAL_TARGET, NULL,
_("All non-relative targets must have "
"the same root URL"));
}
else
*root_url = tmp_root_url;
return SVN_NO_ERROR;
}
svn_error_t *
svn_client_root_url_from_path(const char **url,
const char *path_or_url,
svn_client_ctx_t *ctx,
apr_pool_t *pool)
{
svn_opt_revision_t peg_revision;
peg_revision.kind = svn_path_is_url(path_or_url) ? svn_opt_revision_head
: svn_opt_revision_base;
return svn_client__get_repos_root(url, path_or_url, &peg_revision,
NULL, ctx, pool);
}
