Revert "feat: add self-provided themes (#2224)"

This reverts commit 63bfe9c.

example/themes/README.md

@@ -1,5 +1,19 @@
 # Themes
 
-It contains examples showing how to write a theme.
+Themes can contain different flavors in one file, or can be created as individual files.
 
-If you would like to add a theme to zellij, please refer [zellij-utils/assets/themes](../../zellij-utils/assets/themes).
+Example:
+
+```
+gruvbox.kdl
+├─ gruvbox-light
+└─ gruvbox-dark
+
+or
+
+gruvbox-light.kdl
+└─ gruvbox-light
+
+gruvbox-dark.kdl
+└─ gruvbox-dark
+```

zellij-utils/Cargo.toml

@@ -38,7 +38,6 @@ miette = { version = "3.3.0", features = ["fancy"] }
 regex = "1.5.5"
 tempfile = "3.2.0"
 kdl = { version = "4.5.0", features = ["span"] }
-include_dir = "0.7.3"
 
 #[cfg(not(target_family = "wasm"))]
 [target.'cfg(not(target_family = "wasm"))'.dependencies]

zellij-utils/src/consts.rs

@@ -1,7 +1,6 @@
 //! Zellij program-wide constants.
 
 use directories_next::ProjectDirs;
-use include_dir::{include_dir, Dir};
 use lazy_static::lazy_static;
 use once_cell::sync::OnceCell;
 use std::path::PathBuf;
@@ -16,7 +15,6 @@ pub static DEBUG_MODE: OnceCell<bool> = OnceCell::new();
 
 pub const SYSTEM_DEFAULT_CONFIG_DIR: &str = "/etc/zellij";
 pub const SYSTEM_DEFAULT_DATA_DIR_PREFIX: &str = system_default_data_dir();
-pub static ZELLIJ_THEMES_DIR: Dir = include_dir!("$CARGO_MANIFEST_DIR/assets/themes");
 
 const fn system_default_data_dir() -> &'static str {
     if let Some(data_dir) = std::option_env!("PREFIX") {

zellij-utils/src/kdl/mod.rs

@@ -1734,8 +1734,12 @@ impl Themes {
         Ok(themes)
     }
 
-    pub fn from_string(raw_string: String) -> Result<Self, ConfigError> {
-        let kdl_config: KdlDocument = raw_string.parse()?;
+    pub fn from_path(path_to_theme_file: PathBuf) -> Result<Self, ConfigError> {
+        // String is the theme name
+        let mut file = File::open(path_to_theme_file.clone())?;
+        let mut kdl_config = String::new();
+        file.read_to_string(&mut kdl_config)?;
+        let kdl_config: KdlDocument = kdl_config.parse()?;
         let kdl_themes = kdl_config.get("themes").ok_or(ConfigError::new_kdl_error(
             "No theme node found in file".into(),
             kdl_config.span().offset(),
@@ -1744,26 +1748,4 @@ impl Themes {
         let all_themes_in_file = Themes::from_kdl(kdl_themes)?;
         Ok(all_themes_in_file)
     }
-
-    pub fn from_path(path_to_theme_file: PathBuf) -> Result<Self, ConfigError> {
-        // String is the theme name
-        let mut file = File::open(path_to_theme_file.clone())?;
-        let mut kdl_config = String::new();
-        file.read_to_string(&mut kdl_config)?;
-        Themes::from_string(kdl_config)
-    }
-
-    pub fn from_dir(path_to_theme_dir: PathBuf) -> Result<Self, ConfigError> {
-        let mut themes = Themes::default();
-        for entry in std::fs::read_dir(path_to_theme_dir)? {
-            let entry = entry?;
-            let path = entry.path();
-            if let Some(extension) = path.extension() {
-                if extension == "kdl" {
-                    themes = themes.merge(Themes::from_path(path)?);
-                }
-            }
-        }
-        Ok(themes)
-    }
 }

zellij-utils/src/setup.rs

@@ -1,6 +1,5 @@
 #[cfg(not(target_family = "wasm"))]
 use crate::consts::ASSET_MAP;
-use crate::consts::ZELLIJ_THEMES_DIR;
 use crate::input::theme::Themes;
 use crate::{
     cli::{CliArgs, Command},
@@ -52,22 +51,6 @@ fn default_config_dirs() -> Vec<Option<PathBuf>> {
     ]
 }
 
-#[cfg(not(test))]
-fn get_default_themes() -> Result<Themes, ConfigError> {
-    let mut themes = Themes::default();
-    for entry in ZELLIJ_THEMES_DIR.files() {
-        if let Some(entry) = entry.contents_utf8() {
-            themes = themes.merge(Themes::from_string(entry.to_string())?);
-        }
-    }
-    Ok(themes)
-}
-
-#[cfg(test)]
-fn get_default_themes() -> Result<Themes, ConfigError> {
-    Ok(Themes::default())
-}
-
 /// Looks for an existing dir, uses that, else returns a
 /// dir matching the config spec.
 pub fn get_default_data_dir() -> PathBuf {
@@ -104,7 +87,6 @@ pub fn get_layout_dir(config_dir: Option<PathBuf>) -> Option<PathBuf> {
 pub fn get_theme_dir(config_dir: Option<PathBuf>) -> Option<PathBuf> {
     config_dir.map(|dir| dir.join("themes"))
 }
-
 pub fn dump_asset(asset: &[u8]) -> std::io::Result<()> {
     std::io::stdout().write_all(asset)?;
     Ok(())
@@ -328,13 +310,25 @@ impl Setup {
             None => config.options.clone(),
         };
 
-        config.themes = config.themes.merge(get_default_themes()?);
-
-        let user_theme_dir = config_options.theme_dir.clone().or_else(|| {
-            get_theme_dir(cli_args.config_dir.clone().or_else(find_default_config_dir))
-        });
-        if let Some(user_dir) = user_theme_dir {
-            config.themes = config.themes.merge(Themes::from_dir(user_dir)?);
+        if let Some(theme_dir) = config_options
+            .theme_dir
+            .clone()
+            .or_else(|| get_theme_dir(cli_args.config_dir.clone().or_else(find_default_config_dir)))
+        {
+            if theme_dir.is_dir() {
+                for entry in (theme_dir.read_dir()?).flatten() {
+                    if let Some(extension) = entry.path().extension() {
+                        if extension == "kdl" {
+                            match Themes::from_path(entry.path()) {
+                                Ok(themes) => config.themes = config.themes.merge(themes),
+                                Err(e) => {
+                                    log::error!("error loading theme file: {:?}", e);
+                                },
+                            }
+                        }
+                    }
+                }
+            }
         }
 
         if let Some(Command::Setup(ref setup)) = &cli_args.command {
@@ -520,7 +514,6 @@ impl Setup {
 
         Ok(())
     }
-
     fn generate_completion(shell: &str) {
         let shell: Shell = match shell.to_lowercase().parse() {
             Ok(shell) => shell,
@@ -571,7 +564,6 @@ impl Setup {
             _ => {},
         }
     }
-
     fn parse_layout_and_override_config(
         cli_config_options: Option<&Options>,
         config: Config,
@@ -601,7 +593,6 @@ impl Setup {
         // that needs to take precedence
         Layout::from_path_or_default(chosen_layout.as_ref(), layout_dir.clone(), config)
     }
-
     fn handle_setup_commands(cli_args: &CliArgs) {
         if let Some(Command::Setup(ref setup)) = &cli_args.command {
             setup.from_cli().map_or_else(