Added new `custom` option for color config, marked themes folder as deprecated. (#851)

4 files changed, 41 insertions, 16 deletions

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 779b6d4..fc44853 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -31,6 +31,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Icon theme with overrides from config [sudame](https://github.com/sudame)
 - Incorrect colorizing with `--size=bytes` [bells307](https://github.com/bells307)
 
+### Changed
+- Color theme is now expected to be in `$XDG/lsd/colors.yaml` by default from [peppidesu](https://github.com/peppidesu)
+  Legacy behaviour (`themes` folder) is marked as deprecated but is still supported.
+  [#749](https://github.com/lsd-rs/lsd/issues/749)
+
 ## [0.23.1] - 2022-09-13
 
 ### Fixed
diff --git a/README.md b/README.md
index 227ee07..9ab9128 100644
--- a/README.md
+++ b/README.md
@@ -121,10 +121,8 @@ color:
   when: auto
   # How to colorize the output.
   # When "classic" is set, this is set to "no-color".
-  # Possible values: default, <theme-file-name>
-  # when specifying <theme-file-name>, lsd will look up theme file
-  # XDG Base Directory if relative, e.g. ~/.config/lsd/themes/<theme-file-name>.yaml,
-  # The file path if absolute
+  # Possible values: default, custom
+  # When "custom" is set, lsd will look in the config directory for `colors.yaml`.
   theme: default
 
 # == Date ==
@@ -243,9 +241,13 @@ Color theme can be configured in the [configuration file](#configuration)(color.
 The valid theme configurations are:
 
 - `default`: the default color scheme shipped in `lsd`
-- theme-file-name(yaml): use the theme file to specify colors(without the `yaml` extension)
+- `custom`: use a custom color scheme defined in `colors.yaml`
+- *(deprecated) theme_file_name(yaml): use the theme file to specify colors(without the `yaml` extension)*
 
-when configured with the `theme-file-name` which is a `yaml` file,
+When set to `custom`, `lsd` will look for `colors.yaml` in the 
+XDG Base Directory, e.g. ~/.config/lsd/colors.yaml
+
+When configured with the `theme-file-name` which is a `yaml` file,
 `lsd` will look up the theme file in the following way:
 
 - relative name: check the XDG Base Directory, e.g. ~/.config/lsd/themes/<theme-file-name>.yaml
diff --git a/src/color.rs b/src/color.rs
index ed69849..2a8a315 100644
--- a/src/color.rs
+++ b/src/color.rs
@@ -5,6 +5,7 @@ use std::path::Path;
 
 pub use crate::flags::color::ThemeOption;
 use crate::git::GitStatus;
+use crate::print_output;
 use crate::theme::{color::ColorTheme, Theme};
 
 #[allow(dead_code)]
@@ -143,7 +144,14 @@ impl Colors {
         let theme = match t {
             ThemeOption::NoColor => None,
             ThemeOption::Default | ThemeOption::NoLscolors => Some(Theme::default().color),
-            ThemeOption::Custom(ref file) => {
+            ThemeOption::Custom => Some(
+                Theme::from_path::<ColorTheme>(Path::new("colors").to_str().unwrap())
+                    .unwrap_or_default(),
+            ),
+            ThemeOption::CustomLegacy(ref file) => {
+                print_output!(
+                    "Warning: the 'themes' directory is deprecated, use 'colors.yaml' instead."
+                );
                 // TODO: drop the `themes` dir prefix, adding it here only for backwards compatibility
                 Some(
                     Theme::from_path::<ColorTheme>(
@@ -154,7 +162,7 @@ impl Colors {
             }
         };
         let lscolors = match t {
-            ThemeOption::Default | ThemeOption::Custom(_) => {
+            ThemeOption::Default | ThemeOption::Custom | ThemeOption::CustomLegacy(_) => {
                 Some(LsColors::from_env().unwrap_or_default())
             }
             _ => None,
@@ -316,17 +324,25 @@ mod tests {
     }
 
     #[test]
-    fn test_color_new_default_theme() {
+    fn test_color_new_custom_theme() {
+        assert_eq!(
+            Colors::new(ThemeOption::Custom).theme,
+            Some(ColorTheme::default_dark()),
+        );
+    }
+
+    #[test]
+    fn test_color_new_custom_no_file_theme() {
         assert_eq!(
-            Colors::new(ThemeOption::Default).theme,
+            Colors::new(ThemeOption::Custom).theme,
             Some(ColorTheme::default_dark()),
         );
     }
 
     #[test]
-    fn test_color_new_bad_custom_theme() {
+    fn test_color_new_bad_legacy_custom_theme() {
         assert_eq!(
-            Colors::new(ThemeOption::Custom("not-existed".to_string())).theme,
+            Colors::new(ThemeOption::CustomLegacy("not-existed".to_string())).theme,
             Some(ColorTheme::default_dark()),
         );
     }
diff --git a/src/flags/color.rs b/src/flags/color.rs
index fc76d34..96ec488 100644
--- a/src/flags/color.rs
+++ b/src/flags/color.rs
@@ -40,7 +40,8 @@ pub enum ThemeOption {
     Default,
     #[allow(dead_code)]
     NoLscolors,
-    Custom(String),
+    CustomLegacy(String),
+    Custom,
 }
 
 impl ThemeOption {
@@ -77,7 +78,8 @@ impl<'de> de::Deserialize<'de> for ThemeOption {
             {
                 match value {
                     "default" => Ok(ThemeOption::Default),
-                    str => Ok(ThemeOption::Custom(str.to_string())),
+                    "custom" => Ok(ThemeOption::Custom),
+                    str => Ok(ThemeOption::CustomLegacy(str.to_string())),
                 }
             }
         }
@@ -301,10 +303,10 @@ mod test_theme_option {
         let mut c = Config::with_none();
         c.color = Some(config_file::Color {
             when: None,
-            theme: Some(ThemeOption::Custom("not-existed".to_string())),
+            theme: Some(ThemeOption::CustomLegacy("not-existed".to_string())),
         });
         assert_eq!(
-            ThemeOption::Custom("not-existed".to_string()),
+            ThemeOption::CustomLegacy("not-existed".to_string()),
             ThemeOption::from_config(&c)
         );
     }