Stefan Beller <sbel...@google.com> writes:
> +static int starts_with_dot_slash(const char *str)
> +{
> + return str[0] == '.' && is_dir_sep(str[1]);
> +}
> +
> +static int starts_with_dot_dot_slash(const char *str)
> +{
> + return str[0] == '.' && str[1] == '.' && is_dir_sep(str[2]);
> +}
> +
> +/*
> + * Returns 1 if it was the last chop before ':'.
> + */
> +static int chop_last_dir(char **remoteurl, int is_relative)
> +{
> + char *rfind = find_last_dir_sep(*remoteurl);
> + if (rfind) {
> + *rfind = '\0';
> + return 0;
> + }
> +
> + rfind = strrchr(*remoteurl, ':');
> + if (rfind) {
> + *rfind = '\0';
> + return 1;
> + }
> +
> + if (is_relative || !strcmp(".", *remoteurl))
> + die(_("cannot strip one component off url '%s'"),
> + *remoteurl);
> +
> + free(*remoteurl);
> + *remoteurl = xstrdup(".");
> + return 0;
> +}
> +
> +/*
> + * The `url` argument is the URL that navigates to the submodule origin
> + * repo. When relative, this URL is relative to the superproject origin
> + * URL repo. The `up_path` argument, if specified, is the relative
> + * path that navigates from the submodule working tree to the superproject
> + * working tree. Returns the origin URL of the submodule.
> + *
> + * Return either an absolute URL or filesystem path (if the superproject
> + * origin URL is an absolute URL or filesystem path, respectively) or a
> + * relative file system path (if the superproject origin URL is a relative
> + * file system path).
> + *
> + * When the output is a relative file system path, the path is either
> + * relative to the submodule working tree, if up_path is specified, or to
> + * the superproject working tree otherwise.
> + *
> + * NEEDSWORK: This works incorrectly on the domain and protocol part.
> + * remote_url url outcome correct
> + * http://a.com/b ../c http://a.com/c yes
> + * http://a.com/b ../../c http://c no (domain should be
> kept)
> + * http://a.com/b ../../../c http:/c no
> + * http://a.com/b ../../../../c http:c no
> + * http://a.com/b ../../../../../c .:c no
> + */
Not just "no" but we should say what the expected outcome is. I
think all of them should error out?
Given how chop_last_dir() works, I think this function is broken
when a local part has a colon in its path component, too. I do not
think the scripted version did any better on such a URL; just
another thing that NEEDSWORK comment should list as a thing to be
fixed in the future.
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