Merge branch 'maint-1.6.3' into maint

[git.git] / builtin-grep.c

diff --git a/builtin-grep.c b/builtin-grep.c
index 48998af9115379f97403e0aeb63ac46f041906eb..f477659100fdc63bff5938b4c96f28eaefc07460 100644 (file)
--- a/builtin-grep.c
+++ b/builtin-grep.c
@@ -11,6 +11,7 @@
 #include "tree-walk.h"
 #include "builtin.h"
 #include "parse-options.h"
+#include "userdiff.h"
 #include "grep.h"
 
 #ifndef NO_EXTERNAL_GREP
@@ -30,6 +31,12 @@ static int grep_config(const char *var, const char *value, void *cb)
 {
        struct grep_opt *opt = cb;
 
+       switch (userdiff_config(var, value)) {
+       case 0: break;
+       case -1: return -1;
+       default: return 0;
+       }
+
        if (!strcmp(var, "color.grep")) {
                opt->color = git_config_colorbool(var, value, -1);
                return 0;
@@ -605,7 +612,7 @@ static int file_callback(const struct option *opt, const char *arg, int unset)
 
        patterns = fopen(arg, "r");
        if (!patterns)
-               die("'%s': %s", arg, strerror(errno));
+               die_errno("cannot open '%s'", arg);
        while (strbuf_getline(&sb, patterns, '\n') == 0) {
                /* ignore empty line like grep does */
                if (sb.len == 0)
@@ -721,6 +728,8 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
                        "show <n> context lines after matches"),
                OPT_NUMBER_CALLBACK(&opt, "shortcut for -C NUM",
                        context_callback),
+               OPT_BOOLEAN('p', "show-function", &opt.funcname,
+                       "show a line with the function name before matches"),
                OPT_GROUP(""),
                OPT_CALLBACK('f', NULL, &opt, "file",
                        "read patterns from file", file_callback),
@@ -789,7 +798,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
                argc--;
        }
 
-       if (opt.color && !opt.color_external)
+       if ((opt.color && !opt.color_external) || opt.funcname)
                external_grep_allowed = 0;
        if (!opt.pattern_list)
                die("no pattern given.");