From 630d6885a1b44c17b56609ec0d16305bb04647da Mon Sep 17 00:00:00 2001
From: Dmytro Meleshko <dmytro.meleshko@gmail.com>
Date: Sat, 22 May 2021 15:17:44 +0300
Subject: [PATCH] [scripts/colortest] add another script which prints color
 codes

---
 script-resources/colortest.awk | 17 +++++++++++------
 scripts/colortest              |  2 +-
 scripts/colortest2             |  2 +-
 scripts/colortest3             |  7 +++++++
 4 files changed, 20 insertions(+), 8 deletions(-)
 create mode 100755 scripts/colortest3

diff --git a/script-resources/colortest.awk b/script-resources/colortest.awk
index cf66228..6f87514 100644
--- a/script-resources/colortest.awk
+++ b/script-resources/colortest.awk
@@ -14,20 +14,24 @@ BEGIN {
   print "";
 }
 
-function print_color(color) {
-  printf "\033[48;5;%sm  \033[0m", color
+function print_color(color, idx) {
+  if (OPT_COLOR_CODES) {
+    printf "\033[1;30;48;5;%sm %02X \033[0m", color, idx;
+  } else {
+    printf "\033[48;5;%sm  \033[0m", color;
+  }
 }
 
 function test_standard_colors() {
   print "16 standard colors:";
-  for (color = 0; color < 16; color += 1) print_color(color);
+  for (color = 0; color < 16; color += 1) print_color(color, color);
   print "";
 }
 
 function test_base16_colorscheme() {
   print "base16 colorscheme:";
   split("0 18 19 8 20 7 21 15 1 16 3 2 6 4 5 17", colors, " ");
-  for (i = 1; i <= length(colors); i++) print_color(colors[i]);
+  for (i = 1; i <= length(colors); i++) print_color(colors[i], i - 1);
   print "";
 }
 
@@ -39,7 +43,8 @@ function test_6x6x6_cube() {
     for (row = 0; row < 6; row++) {
       for (block_x = 0; block_x < block_grid_w; block_x++) {
         for (col = 0; col < 6; col++) {
-          print_color(16 + col + 6*row + 6*6*block_x + block_grid_w*6*6*block_y);
+          color = col + 6*row + 6*6*block_x + block_grid_w*6*6*block_y
+          print_color(16 + color, color);
         }
       }
       print "";
@@ -50,7 +55,7 @@ function test_6x6x6_cube() {
 function test_grayscale() {
   print "grayscale from black to white in 24 steps:";
   for (color = 0; color < 24; color += 1) {
-    print_color(16 + 6*6*6 + color)
+    print_color(16 + 6*6*6 + color, color)
   }
   print "";
 }
diff --git a/scripts/colortest b/scripts/colortest
index 99f0f4b..9f5bc94 100755
--- a/scripts/colortest
+++ b/scripts/colortest
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-set -e
+set -eu
 
 script_dir="$(dirname "$0")"
 
diff --git a/scripts/colortest2 b/scripts/colortest2
index 9b685c6..8a439ff 100755
--- a/scripts/colortest2
+++ b/scripts/colortest2
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-set -e
+set -eu
 
 script_dir="$(dirname "$0")"
 cols="$(tput cols)"
diff --git a/scripts/colortest3 b/scripts/colortest3
new file mode 100755
index 0000000..84a2cef
--- /dev/null
+++ b/scripts/colortest3
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+set -eu
+
+script_dir="$(dirname "$0")"
+
+exec awk -v OPT_COLOR_CODES=1 -f "${script_dir}/../script-resources/colortest.awk"