Merge branch 'rs/grep-color-words'

Allow painting or not painting (partial) matches in context lines
when showing "grep -C<num>" output in color.

* rs/grep-color-words:
  grep: add color.grep.matchcontext and color.grep.matchselected

1 files changed, 22 insertions, 7 deletions

diff --git a/grep.c b/grep.c
index 4dc31ea386..6e085f8297 100644
--- a/grep.c
+++ b/grep.c
@@ -35,7 +35,8 @@ void init_grep_defaults(void)
 	strcpy(opt->color_filename, "");
 	strcpy(opt->color_function, "");
 	strcpy(opt->color_lineno, "");
-	strcpy(opt->color_match, GIT_COLOR_BOLD_RED);
+	strcpy(opt->color_match_context, GIT_COLOR_BOLD_RED);
+	strcpy(opt->color_match_selected, GIT_COLOR_BOLD_RED);
 	strcpy(opt->color_selected, "");
 	strcpy(opt->color_sep, GIT_COLOR_CYAN);
 	opt->color = -1;
@@ -101,12 +102,22 @@ int grep_config(const char *var, const char *value, void *cb)
 		color = opt->color_function;
 	else if (!strcmp(var, "color.grep.linenumber"))
 		color = opt->color_lineno;
-	else if (!strcmp(var, "color.grep.match"))
-		color = opt->color_match;
+	else if (!strcmp(var, "color.grep.matchcontext"))
+		color = opt->color_match_context;
+	else if (!strcmp(var, "color.grep.matchselected"))
+		color = opt->color_match_selected;
 	else if (!strcmp(var, "color.grep.selected"))
 		color = opt->color_selected;
 	else if (!strcmp(var, "color.grep.separator"))
 		color = opt->color_sep;
+	else if (!strcmp(var, "color.grep.match")) {
+		int rc = 0;
+		if (!value)
+			return config_error_nonbool(var);
+		rc |= color_parse(value, opt->color_match_context);
+		rc |= color_parse(value, opt->color_match_selected);
+		return rc;
+	}
 
 	if (color) {
 		if (!value)
@@ -144,7 +155,8 @@ void grep_init(struct grep_opt *opt, const char *prefix)
 	strcpy(opt->color_filename, def->color_filename);
 	strcpy(opt->color_function, def->color_function);
 	strcpy(opt->color_lineno, def->color_lineno);
-	strcpy(opt->color_match, def->color_match);
+	strcpy(opt->color_match_context, def->color_match_context);
+	strcpy(opt->color_match_selected, def->color_match_selected);
 	strcpy(opt->color_selected, def->color_selected);
 	strcpy(opt->color_sep, def->color_sep);
 }
@@ -1084,7 +1096,7 @@ static void show_line(struct grep_opt *opt, char *bol, char *eol,
 		      const char *name, unsigned lno, char sign)
 {
 	int rest = eol - bol;
-	char *line_color = NULL;
+	const char *match_color, *line_color = NULL;
 
 	if (opt->file_break && opt->last_shown == 0) {
 		if (opt->show_hunk_mark)
@@ -1123,6 +1135,10 @@ static void show_line(struct grep_opt *opt, char *bol, char *eol,
 		int eflags = 0;
 
 		if (sign == ':')
+			match_color = opt->color_match_selected;
+		else
+			match_color = opt->color_match_context;
+		if (sign == ':')
 			line_color = opt->color_selected;
 		else if (sign == '-')
 			line_color = opt->color_context;
@@ -1135,8 +1151,7 @@ static void show_line(struct grep_opt *opt, char *bol, char *eol,
 
 			output_color(opt, bol, match.rm_so, line_color);
 			output_color(opt, bol + match.rm_so,
-				     match.rm_eo - match.rm_so,
-				     opt->color_match);
+				     match.rm_eo - match.rm_so, match_color);
 			bol += match.rm_eo;
 			rest -= match.rm_eo;
 			eflags = REG_NOTBOL;