Re: [PATCH 2/3] Allow help.htmlpath to be an http: URL

[Jeff King <peff@peff.net>]

On Wed, Jun 27, 2012 at 09:55:13PM +0100, Chris Webb wrote:

> Setting this to a URL prefix instead of a path to a local directory allows
> git-help --web to work even when HTML docs aren't locally installed, by
> pointing the browser at a copy accessible on the web. For example,
> 
>     [help]
>       format = html
>       htmlpath = http://git-scm.com/docs
> 
> will use the publicly available documentation on the git homepage.

Nice.

>  	/* Check that we have a git documentation directory. */
> -	if (stat(mkpath("%s/git.html", html_path), &st)
> -	    || !S_ISREG(st.st_mode))
> -		die(_("'%s': not a documentation directory."), html_path);
> +	if (prefixcmp(html_path, "http:")) {
> +		if (stat(mkpath("%s/git.html", html_path), &st)
> +				|| !S_ISREG(st.st_mode))
> +			die("'%s': not a documentation directory.", html_path);
> +	}

I'd rather not tie this directly to http. Is there any reason not to
allow https, for example? Can we maybe just look for strstr("://")
instead? That's the same magic we use to differentiate URLs from paths
when looking for repositories.

-Peff