From 4d31139a44bc6e7717cb6658cecb975ffbb68bb9 Mon Sep 17 00:00:00 2001
From: Darren Schroeder <343840+fdncred@users.noreply.github.com>
Date: Sat, 16 Apr 2022 10:44:04 -0500
Subject: [PATCH] add hex color parsing to ansi (#5209)

---
 crates/nu-command/src/platform/ansi/ansi_.rs | 35 +++++++++++++++-----
 1 file changed, 26 insertions(+), 9 deletions(-)

diff --git a/crates/nu-command/src/platform/ansi/ansi_.rs b/crates/nu-command/src/platform/ansi/ansi_.rs
index f2a1d058e..b98669a50 100644
--- a/crates/nu-command/src/platform/ansi/ansi_.rs
+++ b/crates/nu-command/src/platform/ansi/ansi_.rs
@@ -375,15 +375,32 @@ Format: #
             // OCS's need to end with a bell '\x07' char
             format!("\x1b]{};", code_string)
         } else if param_is_valid_string {
-            match str_to_ansi(&code_string) {
-                Some(c) => c,
-                None => {
-                    return Err(ShellError::UnsupportedInput(
-                        String::from("Unknown ansi code"),
-                        call.positional_nth(0)
-                            .expect("Unexpected missing argument")
-                            .span,
-                    ))
+            // parse hex colors like #00FF00
+            if code_string.starts_with('#') {
+                match nu_color_config::color_from_hex(&code_string) {
+                    Ok(color) => match color {
+                        Some(c) => c.prefix().to_string(),
+                        None => Color::White.prefix().to_string(),
+                    },
+                    Err(err) => {
+                        return Err(ShellError::SpannedLabeledError(
+                            "error parsing hex color".to_string(),
+                            format!("{}", err),
+                            code.span()?,
+                        ));
+                    }
+                }
+            } else {
+                match str_to_ansi(&code_string) {
+                    Some(c) => c,
+                    None => {
+                        return Err(ShellError::UnsupportedInput(
+                            String::from("Unknown ansi code"),
+                            call.positional_nth(0)
+                                .expect("Unexpected missing argument")
+                                .span,
+                        ))
+                    }
                 }
             }
         } else {