From: Junio C Hamano <junkio@cox.net>
Date: Tue, 15 Nov 2005 23:49:18 GMT
Subject: Re: [PATCH 3/3] git --help COMMAND brings up the git-COMMAND man-page.
Message-ID: <7vsltxeakh.fsf@assigned-by-dhcp.cox.net>
In-Reply-To: <20051115233125.2C0355BF73@nox.op5.se>

exon@op5.se (Andreas Ericsson) writes:

> It's by design a bit stupid (matching ^git rather than ^git-), so as
> to work with 'gitk' and 'git' as well.
>
> Signed-off-by: Andreas Ericsson <ae@op5.se>

Thanks, stupid is fine.

> +/* has anyone seen 'man' installed anywhere else than in /usr/bin? */
> +#define PATH_TO_MAN "/usr/bin/man"
> +static void show_man_page(char *git_cmd)
> +{
> +	char *page;
> +
> +	if (!strncmp(git_cmd, "git", 3))
> +		page = git_cmd;
> +	else {
> +		int page_len = strlen(git_cmd) + 4;
> +
> +		page = malloc(page_len + 1);
> +		strcpy(page, "git-");
> +		strcpy(page + 4, git_cmd);
> +		page[page_len] = 0;
> +	}
> +
> +	execlp(PATH_TO_MAN, "man", page, NULL);
> +}

If you do PATH_TO_MAN absolute, execl would suffice, but just
saying "man" and have execlp look for it would be easier to
manage.