Respect NO_COLOR and CLICOLOR_FORCE (#2295)

http://bixense.com/clicolors/
rbenv · Nov 7, 2023 · 91c95bb · 91c95bb
1 parent 8e2662f
commit 91c95bb
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diff --git a/README.md b/README.md
@@ -95,6 +95,8 @@ The build process may be configured through the following environment variables:
 | `RUBY_CONFIGURE_OPTS`           | Additional `./configure` options (applies only to Ruby source).                                  |
 | `RUBY_MAKE_OPTS`                | Additional `make` options (applies only to Ruby source).                                         |
 | `RUBY_MAKE_INSTALL_OPTS`        | Additional `make install` options (applies only to Ruby source).                                 |
+| `NO_COLOR`                      | Disable ANSI colors in output. The default is to use colors for output connected to a terminal.  |
+| `CLICOLOR_FORCE`                | Use ANSI colors in output even when not connected to a terminal.                                 |
 
 #### Applying Patches
 

diff --git a/bin/ruby-build b/bin/ruby-build
@@ -100,8 +100,10 @@ sanitize() {
 }
 
 colorize() {
-  if [ -t 1 ]; then printf "\e[%sm%s\e[m" "$1" "$2"
-  else echo -n "$2"
+  if [[ -n $CLICOLOR_FORCE || ( -z $NO_COLOR && -t 1 ) ]]; then
+    printf "\e[%sm%s\e[m" "$1" "$2"
+  else
+    printf "%s" "$2"
   fi
 }