Re: Bring parse_options to the shell

From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Nov 2, 2007, 15:51 UTC
Message-ID: <alpine.LFD.0.999.0711020844310.3342@woody.linux-foundation.org>
In-Reply-To: <20071102151453.GB27505@artemis.corp>

On Fri, 2 Nov 2007, Pierre Habouzit wrote:

Show 9 quoted lines

> On Fri, Nov 02, 2007 at 03:09:18PM +0000, Pierre Habouzit wrote:
> > This is also something that itches me, so here is a proposal for a
> > git-parseopt helper that can be used in shell scripts as an option
> > normalizer like getopt(1) does.
> > 
> > I migrated the discussed git-clean.sh to use it as a proof of concept.
> 
>   Needless to say, this is fetchable from
> git://git.madism.org/git.git#ph/parseopt

Hmm. Any reason why you didn't just extend on "git rev-parse"?

That command was written exactly to parse a command line. This is really cheesy, and doesn't really work right (it splits up numbers too), but you get the idea..

		Linus

---
 builtin-rev-parse.c |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/builtin-rev-parse.c b/builtin-rev-parse.c
index 8d78b69..10b62f7 100644
--- a/builtin-rev-parse.c
+++ b/builtin-rev-parse.c
@@ -116,6 +116,17 @@ static int show_flag(const char *arg)
 	if (!(filter & DO_FLAGS))
 		return 0;
 	if (filter & (is_rev_argument(arg) ? DO_REVS : DO_NOREV)) {
+		if (arg[0] == '-' && arg[1] != '-') {
+			char split[3];
+			split[0] = '-';
+			split[2] = 0;
+			while (arg[1]) {
+				split[1] = arg[1];
+				arg++;
+				show(split);
+			}
+			return 1;
+		}
 		show(arg);
 		return 1;
 	}