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feat: add support for COLOR_ENABLED environment variable #167

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Merged
hlship merged 1 commit into from
Sep 3, 2026
Merged

feat: add support for COLOR_ENABLED environment variable #167

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1 change: 1 addition & 0 deletions CHANGES.md
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@@ -1,6 +1,7 @@
## 3.9.0 -- UNRELEASED

* `clj-commons.ansi/wrap` splits a composed string into a sequence of composed strings for soft or hard wrapping
* `clj-commons.ansi/*color-enabled*` will now default to true when the environment variable COLOR_ENABLED is non-blank

## 3.8.0 -- 27 Apr 2026

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13 changes: 10 additions & 3 deletions src/clj_commons/ansi.clj
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other font characteristics (bold, underline, italic, etc.) along with colors.

This will be false if the environment variable NO_COLOR is non-blank.

This will be true if the environment variable COLOR_ENABLED is non-blank.

Otherwise, the JVM system property `clj-commons.ansi.enabled` (if present) determines
the value; \"true\" enables colors, any other value disables colors.
Expand All @@ -30,8 +32,15 @@
then color will be enabled.

The nrepl.core check has been verified to work with Cursive, with `lein repl`, and with `clojure` (or `clj`)."
(if (seq (System/getenv "NO_COLOR"))
(cond
(seq (System/getenv "NO_COLOR"))
false

;; Set this when used inside a system that can properly parse the ANSI escape sequences.
(seq (System/getenv "COLOR_ENABLED"))
true

:else
(let [flag (System/getProperty "clj-commons.ansi.enabled")]
(cond
(some? flag) (to-boolean flag)
Expand Down Expand Up @@ -687,5 +696,3 @@
[& inputs]
(binding [*out* *err*]
(println (compose* inputs))))