[PATCH] reset: allow "-" short hand for previous commit

From

SSSudhanshu Shekhar <sudshekhar02@gmail.com>

Date

Mar 4, 2015, 07:09 UTC

Message-ID

<1425452996-11682-1-git-send-email-sudshekhar02@gmail.com>

In-Reply-To

<CAODo60qimjiMfWY_FNuOcVaYc=JdbTv_4SJ3BROC-9Jo5qWkdA@mail.gmail.com>

Signed-off-by: Sudhanshu Shekhar <sudshekhar02@gmail.com>
---
 builtin/reset.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/builtin/reset.c b/builtin/reset.c
index 4c08ddc..9f8967d 100644
--- a/builtin/reset.c
+++ b/builtin/reset.c
@@ -192,6 +192,7 @@ static void parse_args(struct pathspec *pathspec,
 {
 	const char *rev = "HEAD";
 	unsigned char unused[20];
+	int substituted_minus = 0;
 	/*
 	 * Possible arguments are:
 	 *
@@ -205,6 +206,10 @@ static void parse_args(struct pathspec *pathspec,
 	 */
 
 	if (argv[0]) {
+		if(!strcmp(argv[0], "-")) {
+			argv[0] = "@{-1}";
+			substituted_minus = 1;
+		}
 		if (!strcmp(argv[0], "--")) {
 			argv++; /* reset to HEAD, possibly with paths */
 		} else if (argv[1] && !strcmp(argv[1], "--")) {
@@ -225,12 +230,14 @@ static void parse_args(struct pathspec *pathspec,
 			verify_non_filename(prefix, argv[0]);
 			rev = *argv++;
 		} else {
+			/* We were treating "-" as a commit and not a file */
+			if(substituted_minus)
+				argv[0] = "-";
 			/* Otherwise we treat this as a filename */
 			verify_filename(prefix, argv[0], 1);
 		}
 	}
 	*rev_ret = rev;
-
 	if (read_cache() < 0)
 		die(_("index file corrupt"));
 

-- 
2.3.1.168.gfd4bc34.dirty