feat: Support NO_COLOR env var to disable CLI coloring

Setting `NO_COLOR=1` in your environment disables ANSI coloring in
console output. This is primarily useful in scenarios such as scripting
and piping output to files.

See: https://no-color.org/

Fixes #223

CHANGELOG.md

@@ -19,6 +19,9 @@ changes you may need to make.
   specified in the `config` include directive are resolved starting at this new directory. Relative
   paths to include templates located under the `configs` directory is now **DEPRECATED**. See the
   "File Structure" page on the wiki for more details.
+- Support the [NO_COLOR] environment variable for all Recyclarr commands (#223).
+
+[NO_COLOR]: https://no-color.org/
 
 ### Changed
 

src/Recyclarr.Cli/Logging/LoggerFactory.cs

@@ -7,7 +7,7 @@ using Serilog.Templates.Themes;
 
 namespace Recyclarr.Cli.Logging;
 
-public class LoggerFactory(IAppPaths paths, LoggingLevelSwitch levelSwitch)
+public class LoggerFactory(IAppPaths paths, LoggingLevelSwitch levelSwitch, IEnvironment env)
 {
     private static string GetBaseTemplateString()
     {
@@ -18,12 +18,13 @@ public class LoggerFactory(IAppPaths paths, LoggingLevelSwitch levelSwitch)
             "{@m}";
     }
 
-    private static ExpressionTemplate GetConsoleTemplate()
+    private ExpressionTemplate GetConsoleTemplate()
     {
         var template = "[{@l:u3}] " + GetBaseTemplateString() +
             "{#if SanitizedExceptionMessage is not null}: {SanitizedExceptionMessage}{#end}\n";
 
-        return new ExpressionTemplate(template, theme: TemplateTheme.Code);
+        var raw = !string.IsNullOrEmpty(env.GetEnvironmentVariable("NO_COLOR"));
+        return new ExpressionTemplate(template, theme: raw ? null : TemplateTheme.Code);
     }
 
     private static ExpressionTemplate GetFileTemplate()