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re
git-grep: use a bit more specific error messages.
author
Junio C Hamano
<junkio@cox.net>
Tue, 4 Jul 2006 09:44:48 +0000
(
02:44
-0700)
committer
Junio C Hamano
<junkio@cox.net>
Tue, 4 Jul 2006 10:15:46 +0000
(
03:15
-0700)
Signed-off-by: Junio C Hamano <junkio@cox.net>
builtin-grep.c
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fcfe34b
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diff --git
a/builtin-grep.c
b/builtin-grep.c
index bc53546dc713f425e1d35fd3716265a0bdf01702..6973c66704326804def00a22bfdcdb487dcad4c2 100644
(file)
--- a/
builtin-grep.c
+++ b/
builtin-grep.c
@@
-657,6
+657,13
@@
static int grep_object(struct grep_opt *opt, const char **paths,
static const char builtin_grep_usage[] =
"git-grep <option>* <rev>* [-e] <pattern> [<path>...]";
static const char builtin_grep_usage[] =
"git-grep <option>* <rev>* [-e] <pattern> [<path>...]";
+static const char emsg_invalid_context_len[] =
+"%s: invalid context length argument";
+static const char emsg_missing_context_len[] =
+"missing context length argument";
+static const char emsg_missing_argument[] =
+"option requires an argument -%s";
+
int cmd_grep(int argc, const char **argv, char **envp)
{
int hit = 0;
int cmd_grep(int argc, const char **argv, char **envp)
{
int hit = 0;
@@
-764,7
+771,7
@@
int cmd_grep(int argc, const char **argv, char **envp)
case 'A': case 'B': case 'C':
if (!arg[2]) {
if (argc <= 1)
case 'A': case 'B': case 'C':
if (!arg[2]) {
if (argc <= 1)
-
usage(builtin_grep_usage
);
+
die(emsg_missing_context_len
);
scan = *++argv;
argc--;
}
scan = *++argv;
argc--;
}
@@
-776,7
+783,7
@@
int cmd_grep(int argc, const char **argv, char **envp)
break;
}
if (sscanf(scan, "%u", &num) != 1)
break;
}
if (sscanf(scan, "%u", &num) != 1)
-
usage(builtin_grep_usage
);
+
die(emsg_invalid_context_len, scan
);
switch (arg[1]) {
case 'A':
opt.post_context = num;
switch (arg[1]) {
case 'A':
opt.post_context = num;
@@
-795,7
+802,7
@@
int cmd_grep(int argc, const char **argv, char **envp)
int lno = 0;
char buf[1024];
if (argc <= 1)
int lno = 0;
char buf[1024];
if (argc <= 1)
-
usage(builtin_grep_usage
);
+
die(emsg_missing_argument, arg
);
patterns = fopen(argv[1], "r");
if (!patterns)
die("'%s': %s", argv[1], strerror(errno));
patterns = fopen(argv[1], "r");
if (!patterns)
die("'%s': %s", argv[1], strerror(errno));
@@
-820,7
+827,7
@@
int cmd_grep(int argc, const char **argv, char **envp)
argc--;
continue;
}
argc--;
continue;
}
-
usage(builtin_grep_usage
);
+
die(emsg_missing_argument, arg
);
}
if (!strcmp("--", arg)) {
/* later processing wants to have this at argv[1] */
}
if (!strcmp("--", arg)) {
/* later processing wants to have this at argv[1] */