feat: add -C,--color option to enable color if stdout is not a tty

build.zig.zon

@@ -7,12 +7,12 @@
             .hash = "12207ee987ce045596cb992cfb15b0d6d9456e50d4721c3061c69dabc2962053644d",
         },
         .themes = .{
-            .url = "https://github.com/neurocyte/flow-themes/releases/download/master-5f1ca2fd3c784d430306a5cd1df237681a196333/flow-themes.tar.gz",
-            .hash = "122095b1a6110b920571c7e49e61c124cd9a164fe9b1b0faa1bd11d04d89822d3304",
+            .url = "https://github.com/neurocyte/flow-themes/releases/download/master-618a7801d3383049adfe18cc09f5f5086c66995f/flow-themes.tar.gz",
+            .hash = "1220019ed92f48fb94d4ae82bba17b11d0ba06f17ed31cd66613b3c048b1d2382095",
         },
         .syntax = .{
-            .url = "https://github.com/neurocyte/flow-syntax/archive/cba2de651f03e3677bed91c46d2c841eb4137dd4.tar.gz",
-            .hash = "12201f879b91fc86fd718947a45488e08445c765137857b29a0536a6e7245f7dc522",
+            .url = "https://github.com/neurocyte/flow-syntax/archive/28bc77f4615488aaa269c25fc862864f4b3a7460.tar.gz",
+            .hash = "1220abddc10ca8f8b6b5477f8c007948c168504b9dd3516899fe37251890eeabf4ab",
         },
         .thespian = .{
             .url = "https://github.com/neurocyte/thespian/archive/d7dd27116398b17c8ab68327c384885f161d0cc1.tar.gz",

src/main.zig

@@ -20,6 +20,7 @@ pub fn main() !void {
         \\-t, --theme <name>       Select theme to use.
         \\-d, --default <name>     Set the language to use if guessing failed (default: conf).
         \\-s, --show-language      Show detected language in output.
+        \\-C, --color              Always produce color output, even if stdout is not a tty.
         \\--html                   Output HTML instead of ansi escape codes.
         \\--list-themes            Show available themes.
         \\--list-languages         Show available language parsers.
@@ -68,7 +69,7 @@ pub fn main() !void {
     if (res.args.@"list-languages" != 0)
         return list_langs(writer);
 
-    if (!stdout_file.supportsAnsiEscapeCodes())
+    if (res.args.color == 0 and !stdout_file.supportsAnsiEscapeCodes())
         return plain_cat(res.positionals);
 
     var conf_buf: ?[]const u8 = null;