From a32a4eaa36527ab1c9a999357f9edd5e04591a4a Mon Sep 17 00:00:00 2001
From: Pierre Habouzit <madcoder@debian.org>
Date: Tue, 24 Jun 2008 00:31:31 +0200
Subject: parse-opt: add PARSE_OPT_KEEP_ARGV0 parser option.

This way, argv[0] isn't clobbered when parse-options filters argv[].

Signed-off-by: Pierre Habouzit <madcoder@debian.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/parse-options.c b/parse-options.c
index 0d3818a..469831d 100644
--- a/parse-options.c
+++ b/parse-options.c
@@ -248,6 +248,7 @@ void parse_options_start(struct parse_opt_ctx_t *ctx,
 	ctx->argc = argc - 1;
 	ctx->argv = argv + 1;
 	ctx->out  = argv;
+	ctx->cpidx = ((flags & PARSE_OPT_KEEP_ARGV0) != 0);
 	ctx->flags = flags;
 }
 
diff --git a/parse-options.h b/parse-options.h
index aeed627..c5f0b4b 100644
--- a/parse-options.h
+++ b/parse-options.h
@@ -20,6 +20,7 @@ enum parse_opt_type {
 enum parse_opt_flags {
 	PARSE_OPT_KEEP_DASHDASH = 1,
 	PARSE_OPT_STOP_AT_NON_OPTION = 2,
+	PARSE_OPT_KEEP_ARGV0 = 4,
 };
 
 enum parse_opt_option_flags {
-- 
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