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Diffstat (limited to 'builtin-grep.c')
-rw-r--r--builtin-grep.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/builtin-grep.c b/builtin-grep.c
index 761799d7d0..01be9bf7ff 100644
--- a/builtin-grep.c
+++ b/builtin-grep.c
@@ -631,7 +631,7 @@ static int file_callback(const struct option *opt, const char *arg, int unset)
struct grep_opt *grep_opt = opt->value;
FILE *patterns;
int lno = 0;
- struct strbuf sb;
+ struct strbuf sb = STRBUF_INIT;
patterns = fopen(arg, "r");
if (!patterns)
@@ -788,6 +788,13 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
OPT_END()
};
+ /*
+ * 'git grep -h', unlike 'git grep -h <pattern>', is a request
+ * to show usage information and exit.
+ */
+ if (argc == 2 && !strcmp(argv[1], "-h"))
+ usage_with_options(grep_usage, options);
+
memset(&opt, 0, sizeof(opt));
opt.prefix = prefix;
opt.prefix_length = (prefix && *prefix) ? strlen(prefix) : 0;