Merge branch 'jk/ui-color-always-to-auto'

diff --git a/grep.c b/grep.c
index cd7fc6f66cadfcb38ad73f171b97a419610aad37..2b26cee08d559ceba6dd5a83ae90aaa0155ebca8 100644 (file)
--- a/grep.c
+++ b/grep.c
@@ -65,6 +65,7 @@ void init_grep_defaults(void)
        color_set(opt->colors[GREP_COLOR_MATCH_SELECTED], GIT_COLOR_BOLD_RED);
        color_set(opt->colors[GREP_COLOR_SELECTED], "");
        color_set(opt->colors[GREP_COLOR_SEP], GIT_COLOR_CYAN);
+       opt->only_matching = 0;
        opt->color = -1;
        opt->output = std_output;
 }
@@ -159,6 +160,7 @@ void grep_init(struct grep_opt *opt, const char *prefix)
        opt->pattern_tail = &opt->pattern_list;
        opt->header_tail = &opt->header_list;
 
+       opt->only_matching = def->only_matching;
        opt->color = def->color;
        opt->extended_regexp_option = def->extended_regexp_option;
        opt->pattern_type_option = def->pattern_type_option;
@@ -1404,26 +1406,9 @@ static int next_match(struct grep_opt *opt, char *bol, char *eol,
        return hit;
 }
 
-static void show_line(struct grep_opt *opt, char *bol, char *eol,
-                     const char *name, unsigned lno, ssize_t cno, char sign)
+static void show_line_header(struct grep_opt *opt, const char *name,
+                            unsigned lno, ssize_t cno, char sign)
 {
-       int rest = eol - bol;
-       const char *match_color, *line_color = NULL;
-
-       if (opt->file_break && opt->last_shown == 0) {
-               if (opt->show_hunk_mark)
-                       opt->output(opt, "\n", 1);
-       } else if (opt->pre_context || opt->post_context || opt->funcbody) {
-               if (opt->last_shown == 0) {
-                       if (opt->show_hunk_mark) {
-                               output_color(opt, "--", 2, opt->colors[GREP_COLOR_SEP]);
-                               opt->output(opt, "\n", 1);
-                       }
-               } else if (lno > opt->last_shown + 1) {
-                       output_color(opt, "--", 2, opt->colors[GREP_COLOR_SEP]);
-                       opt->output(opt, "\n", 1);
-               }
-       }
        if (opt->heading && opt->last_shown == 0) {
                output_color(opt, name, strlen(name), opt->colors[GREP_COLOR_FILENAME]);
                opt->output(opt, "\n", 1);
@@ -1451,38 +1436,78 @@ static void show_line(struct grep_opt *opt, char *bol, char *eol,
                output_color(opt, buf, strlen(buf), opt->colors[GREP_COLOR_COLUMNNO]);
                output_sep(opt, sign);
        }
-       if (opt->color) {
+}
+
+static void show_line(struct grep_opt *opt, char *bol, char *eol,
+                     const char *name, unsigned lno, ssize_t cno, char sign)
+{
+       int rest = eol - bol;
+       const char *match_color = NULL;
+       const char *line_color = NULL;
+
+       if (opt->file_break && opt->last_shown == 0) {
+               if (opt->show_hunk_mark)
+                       opt->output(opt, "\n", 1);
+       } else if (opt->pre_context || opt->post_context || opt->funcbody) {
+               if (opt->last_shown == 0) {
+                       if (opt->show_hunk_mark) {
+                               output_color(opt, "--", 2, opt->colors[GREP_COLOR_SEP]);
+                               opt->output(opt, "\n", 1);
+                       }
+               } else if (lno > opt->last_shown + 1) {
+                       output_color(opt, "--", 2, opt->colors[GREP_COLOR_SEP]);
+                       opt->output(opt, "\n", 1);
+               }
+       }
+       if (!opt->only_matching) {
+               /*
+                * In case the line we're being called with contains more than
+                * one match, leave printing each header to the loop below.
+                */
+               show_line_header(opt, name, lno, cno, sign);
+       }
+       if (opt->color || opt->only_matching) {
                regmatch_t match;
                enum grep_context ctx = GREP_CONTEXT_BODY;
                int ch = *eol;
                int eflags = 0;
 
-               if (sign == ':')
-                       match_color = opt->colors[GREP_COLOR_MATCH_SELECTED];
-               else
-                       match_color = opt->colors[GREP_COLOR_MATCH_CONTEXT];
-               if (sign == ':')
-                       line_color = opt->colors[GREP_COLOR_SELECTED];
-               else if (sign == '-')
-                       line_color = opt->colors[GREP_COLOR_CONTEXT];
-               else if (sign == '=')
-                       line_color = opt->colors[GREP_COLOR_FUNCTION];
+               if (opt->color) {
+                       if (sign == ':')
+                               match_color = opt->colors[GREP_COLOR_MATCH_SELECTED];
+                       else
+                               match_color = opt->colors[GREP_COLOR_MATCH_CONTEXT];
+                       if (sign == ':')
+                               line_color = opt->colors[GREP_COLOR_SELECTED];
+                       else if (sign == '-')
+                               line_color = opt->colors[GREP_COLOR_CONTEXT];
+                       else if (sign == '=')
+                               line_color = opt->colors[GREP_COLOR_FUNCTION];
+               }
                *eol = '\0';
                while (next_match(opt, bol, eol, ctx, &match, eflags)) {
                        if (match.rm_so == match.rm_eo)
                                break;
 
-                       output_color(opt, bol, match.rm_so, line_color);
+                       if (opt->only_matching)
+                               show_line_header(opt, name, lno, cno, sign);
+                       else
+                               output_color(opt, bol, match.rm_so, line_color);
                        output_color(opt, bol + match.rm_so,
                                     match.rm_eo - match.rm_so, match_color);
+                       if (opt->only_matching)
+                               opt->output(opt, "\n", 1);
                        bol += match.rm_eo;
+                       cno += match.rm_eo;
                        rest -= match.rm_eo;
                        eflags = REG_NOTBOL;
                }
                *eol = ch;
        }
-       output_color(opt, bol, rest, line_color);
-       opt->output(opt, "\n", 1);
+       if (!opt->only_matching) {
+               output_color(opt, bol, rest, line_color);
+               opt->output(opt, "\n", 1);
+       }
 }
 
 #ifndef NO_PTHREADS