From: Nguyen Thai Ngoc Duy <pclouds@gmail.com>
Date: Wed, 23 Mar 2011 12:18:24 GMT
Subject: Re: [WIP PATCH 0/5] support --exclude for diff/log commands
Message-ID: <AANLkTimtGCdo40V-pYZ5YHEO_pzV7zx6Py3bC5aVufYb@mail.gmail.com>
In-Reply-To: <AANLkTimeEWOvmNXQV9fJKe23Qe3sipT7q=qHVB2fLq0n@mail.gmail.com>

On Wed, Mar 23, 2011 at 7:10 PM, Nguyen Thai Ngoc Duy <pclouds@gmail.com> wrote:
> How about ":<path>" for root pathspecs, but reserve ':[^0-9A-Za-z]*'
> for future use?
> ..
> +                       if (strchr(reserved, (*src)[1]))
> +                               die("':%c' syntax is not supported. "
> +                                   "Quote it to match literally.", (*src)[1]);

Hmm.. I need a letter to become quoter. Let's take '\' for that. I
also leave '.' out of reserved range because it may be used frequently
(hidden files).

diff --git a/setup.c b/setup.c
index ef55e5d..b6294be 100644
--- a/setup.c
+++ b/setup.c
@@ -146,8 +146,16 @@ const char **get_pathspec(const char *prefix,
const char **pathspec)
 	while (*src) {
 		const char *p;

-		if ((*src)[0] == ':')
-			p = prefix_path(NULL, 0, (*src)+1);
+		if ((*src)[0] == ':') {
+			const char *reserved = "~`!@#$%^&*()-_=+[{]}|;:'\",<>/?";
+			const char *s = *src + 1;
+			if (*s == '\\')
+				s++;
+			else if (strchr(reserved, *s))
+				die("':%c' syntax is not supported. "
+				    "Quote it to match literally.", *s);
+			p = prefix_path(NULL, 0, s);
+		}
 		else
 			p = prefix_path(prefix, prefixlen, *src);
 		*(dst++) = p;
-- 
Duy