[PATCH/GSoC 3/3] Nousage message in error

[Diwas Joshi <dj.dij123@gmail.com>]

- To show only error text instead of full usage message
- Adds exits to callback function in parse-options-cb.c instead of returning -1 which results in display of usage message.
---
 parse-options-cb.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/parse-options-cb.c b/parse-options-cb.c
index 239898d..b7321d1 100644
--- a/parse-options-cb.c
+++ b/parse-options-cb.c
@@ -85,8 +85,10 @@ int parse_opt_commits(const struct option *opt, const char *arg, int unset)
 
 	if (!arg)
 		return -1;
-	if (get_sha1(arg, sha1))
-		return error("malformed object name %s", arg);
+	if (get_sha1(arg, sha1)) {
+		error("malformed object name %s", arg);
+		exit(129);
+	}
 	commit = lookup_commit_reference(sha1);
 	if (!commit)
 		return error("no such commit %s", arg);
-- 
2.7.4