notes: make expand_notes_ref globally accessible

diff --git a/builtin/grep.c b/builtin/grep.c
index eaf8560a520bd8aac4fa62394378b444116d6226..85e9583a1335330f8e852d7937abb10c97798bc0 100644 (file)
--- a/builtin/grep.c
+++ b/builtin/grep.c
@@ -659,11 +659,12 @@ static int context_callback(const struct option *opt, const char *arg,
 static int file_callback(const struct option *opt, const char *arg, int unset)
 {
        struct grep_opt *grep_opt = opt->value;
+       int from_stdin = !strcmp(arg, "-");
        FILE *patterns;
        int lno = 0;
        struct strbuf sb = STRBUF_INIT;
 
-       patterns = fopen(arg, "r");
+       patterns = from_stdin ? stdin : fopen(arg, "r");
        if (!patterns)
                die_errno("cannot open '%s'", arg);
        while (strbuf_getline(&sb, patterns, '\n') == 0) {
@@ -677,7 +678,8 @@ static int file_callback(const struct option *opt, const char *arg, int unset)
                s = strbuf_detach(&sb, &len);
                append_grep_pat(grep_opt, s, len, arg, ++lno, GREP_PATTERN);
        }
-       fclose(patterns);
+       if (!from_stdin)
+               fclose(patterns);
        strbuf_release(&sb);
        return 0;
 }
@@ -767,7 +769,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
                OPT_BOOLEAN('F', "fixed-strings", &opt.fixed,
                        "interpret patterns as fixed strings"),
                OPT_GROUP(""),
-               OPT_BOOLEAN('n', NULL, &opt.linenum, "show line numbers"),
+               OPT_BOOLEAN('n', "line-number", &opt.linenum, "show line numbers"),
                OPT_NEGBIT('h', NULL, &opt.pathname, "don't show filenames", 1),
                OPT_BIT('H', NULL, &opt.pathname, "show filenames", 1),
                OPT_NEGBIT(0, "full-name", &opt.relative,