[PATCH] Share color list between graph and show-branch

[Dan McGee <dpmcgee@gmail.com>]

This also adds the new colors to show-branch that were added a while
back for graph output.

Signed-off-by: Dan McGee <dpmcgee@gmail.com>
---
 builtin/show-branch.c |   16 +++-------------
 color.c               |   19 +++++++++++++++++++
 color.h               |    4 ++++
 graph.c               |   21 ---------------------
 4 files changed, 26 insertions(+), 34 deletions(-)

diff --git a/builtin/show-branch.c b/builtin/show-branch.c
index da69581..d00c0ac 100644
--- a/builtin/show-branch.c
+++ b/builtin/show-branch.c
@@ -12,16 +12,6 @@ static const char* show_branch_usage[] = {
 };
 
 static int showbranch_use_color = -1;
-static char column_colors[][COLOR_MAXLEN] = {
-	GIT_COLOR_RED,
-	GIT_COLOR_GREEN,
-	GIT_COLOR_YELLOW,
-	GIT_COLOR_BLUE,
-	GIT_COLOR_MAGENTA,
-	GIT_COLOR_CYAN,
-};
-
-#define COLUMN_COLORS_MAX (ARRAY_SIZE(column_colors))
 
 static int default_num;
 static int default_alloc;
@@ -37,7 +27,7 @@ static const char **default_arg;
 static const char *get_color_code(int idx)
 {
 	if (showbranch_use_color)
-		return column_colors[idx];
+		return column_colors_ansi[idx % COLUMN_COLORS_ANSI_MAX];
 	return "";
 }
 
@@ -892,7 +882,7 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
 				for (j = 0; j < i; j++)
 					putchar(' ');
 				printf("%s%c%s [%s] ",
-				       get_color_code(i % COLUMN_COLORS_MAX),
+				       get_color_code(i),
 				       is_head ? '*' : '!',
 				       get_color_reset_code(), ref_name[i]);
 			}
@@ -954,7 +944,7 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
 				else
 					mark = '+';
 				printf("%s%c%s",
-				       get_color_code(i % COLUMN_COLORS_MAX),
+				       get_color_code(i),
 				       mark, get_color_reset_code());
 			}
 			putchar(' ');
diff --git a/color.c b/color.c
index 417cf8f..6631346 100644
--- a/color.c
+++ b/color.c
@@ -3,6 +3,25 @@
 
 int git_use_color_default = 0;
 
+/*
+ * The list of available column colors.
+ */
+const char *column_colors_ansi[13] = {
+	GIT_COLOR_RED,
+	GIT_COLOR_GREEN,
+	GIT_COLOR_YELLOW,
+	GIT_COLOR_BLUE,
+	GIT_COLOR_MAGENTA,
+	GIT_COLOR_CYAN,
+	GIT_COLOR_BOLD_RED,
+	GIT_COLOR_BOLD_GREEN,
+	GIT_COLOR_BOLD_YELLOW,
+	GIT_COLOR_BOLD_BLUE,
+	GIT_COLOR_BOLD_MAGENTA,
+	GIT_COLOR_BOLD_CYAN,
+	GIT_COLOR_RESET,
+};
+
 static int parse_color(const char *name, int len)
 {
 	static const char * const color_names[] = {
diff --git a/color.h b/color.h
index c0528cf..a7da793 100644
--- a/color.h
+++ b/color.h
@@ -53,6 +53,10 @@ struct strbuf;
  */
 extern int git_use_color_default;
 
+extern const char *column_colors_ansi[13];
+
+/* Ignore the RESET at the end when giving the size */
+#define COLUMN_COLORS_ANSI_MAX (ARRAY_SIZE(column_colors_ansi) - 1)
 
 /*
  * Use this instead of git_default_config if you need the value of color.ui.
diff --git a/graph.c b/graph.c
index ef2e24e..d1dd15e 100644
--- a/graph.c
+++ b/graph.c
@@ -59,27 +59,6 @@ enum graph_state {
 	GRAPH_COLLAPSING
 };
 
-/*
- * The list of available column colors.
- */
-static const char *column_colors_ansi[] = {
-	GIT_COLOR_RED,
-	GIT_COLOR_GREEN,
-	GIT_COLOR_YELLOW,
-	GIT_COLOR_BLUE,
-	GIT_COLOR_MAGENTA,
-	GIT_COLOR_CYAN,
-	GIT_COLOR_BOLD_RED,
-	GIT_COLOR_BOLD_GREEN,
-	GIT_COLOR_BOLD_YELLOW,
-	GIT_COLOR_BOLD_BLUE,
-	GIT_COLOR_BOLD_MAGENTA,
-	GIT_COLOR_BOLD_CYAN,
-	GIT_COLOR_RESET,
-};
-
-#define COLUMN_COLORS_ANSI_MAX (ARRAY_SIZE(column_colors_ansi) - 1)
-
 static const char **column_colors;
 static unsigned short column_colors_max;
 
-- 
1.7.4.2