Use xdg on nix

Cargo.toml

@@ -42,7 +42,7 @@ serde = { version = "1.0.160", features = [ "derive" ] }
 serde_json = "1.0.96"
 comfy-table = "6.1.4"
 strum = { version = "0.24.1", features = [ "derive" ] }
-dirs = "5.0.0"
+etcetera = "0.8.0"
 toml = "0.7.3"
 indexmap = "1.9.3"
 maxminddb = "0.23.0"

README.md

@@ -594,23 +594,12 @@ Trippy can be configured with via command line arguments or an optional configur
 item is specified in both the configuration file and via a command line argument then the latter will take precedence.
 
 The configuration file location may be provided to trippy via the `-c` (`--config-file`) argument. If not provided,
-Trippy will attempt to locate a `trippy.toml` or `.trippy.toml` configuration file in one of the following platform
-specific locations:
+Trippy will attempt to locate a `trippy.toml` or `.trippy.toml` configuration file in one of the following locations:
 
 - The current directory
 - The user home directory
-- The user config direction
-
-For example, on Linux Trippy will attempt to locate the following config files (in order):
-
-- `./trippy.toml`
-- `./.trippy.toml`
-- `$HOME/trippy.toml`
-- `$HOME/.trippy.toml`
-- `$HOME/.config/trippy.toml`
-- `$HOME/.config/.trippy.toml`
-
-See [here](https://github.com/dirs-dev/dirs-rs) for platform specific directory information.
+- the XDG config directory (Unix only): `$XDG_CONFIG_HOME` or `~/.config`
+- the Windows data directory (Windows only): `%APPDATA%`
 
 An annotated [template configuration file](trippy-config-sample.toml) is available.
 

src/config.rs

@@ -1272,10 +1272,11 @@ pub mod config_file {
         MultipathStrategyConfig, Protocol, TuiColor, TuiKeyBinding,
     };
     use anyhow::Context;
+    use etcetera::BaseStrategy;
     use serde::Deserialize;
     use std::fs::File;
     use std::io::read_to_string;
-    use std::path::{Path, PathBuf};
+    use std::path::Path;
 
     const DEFAULT_CONFIG_FILE: &str = "trippy.toml";
     const DEFAULT_HIDDEN_CONFIG_FILE: &str = ".trippy.toml";
@@ -1285,37 +1286,21 @@ pub mod config_file {
     /// Returns the parsed `Some(ConfigFile)` if the config file exists, `None` otherwise.
     ///
     /// Trippy will attempt to locate a `trippy.toml` or `.trippy.toml`
-    /// config file in one of the following platform specific locations:
+    /// config file in one of the following locations:
     ///     - the current directory
     ///     - the user home directory
-    ///     - the user config direction
-    ///
-    /// For example, on Linux the Trippy will attempt to locate the following
-    /// files (in order):
-    ///     - `./trippy.toml`
-    ///     - `./.trippy.toml`
-    ///     - `$HOME/trippy.toml`
-    ///     - `$HOME/.trippy.toml`
-    ///     - `$HOME/.config/trippy.toml`
-    ///     - `$HOME/.config/.trippy.toml`
-    ///
-    /// See [here](https://github.com/dirs-dev/dirs-rs) for platform specific directory
-    /// information.
+    ///     - the XDG config directory (Unix only): `$XDG_CONFIG_HOME` or `~/.config`
+    ///     - the Windows data directory (Windows only): `%APPDATA%`
     ///
     /// Note that only the first config file found is used, no attempt is
     /// made to merge the values from multiple files.
     pub fn read_default_config_file() -> anyhow::Result<Option<ConfigFile>> {
-        if let Some(file) = read_file(|| Some(PathBuf::new()), DEFAULT_CONFIG_FILE)? {
-            Ok(Some(file))
-        } else if let Some(file) = read_file(|| Some(PathBuf::new()), DEFAULT_HIDDEN_CONFIG_FILE)? {
-            Ok(Some(file))
-        } else if let Some(file) = read_file(dirs::home_dir, DEFAULT_CONFIG_FILE)? {
+        use etcetera::base_strategy as base;
+        if let Some(file) = read_files("")? {
             Ok(Some(file))
-        } else if let Some(file) = read_file(dirs::home_dir, DEFAULT_HIDDEN_CONFIG_FILE)? {
+        } else if let Some(file) = read_files(base::choose_base_strategy()?.home_dir())? {
             Ok(Some(file))
-        } else if let Some(file) = read_file(dirs::config_dir, DEFAULT_CONFIG_FILE)? {
-            Ok(Some(file))
-        } else if let Some(file) = read_file(dirs::config_dir, DEFAULT_HIDDEN_CONFIG_FILE)? {
+        } else if let Some(file) = read_files(base::choose_base_strategy()?.config_dir())? {
             Ok(Some(file))
         } else {
             Ok(None)
@@ -1329,17 +1314,20 @@ pub mod config_file {
         Ok(toml::from_str(&read_to_string(file)?)?)
     }
 
-    fn read_file<F: FnOnce() -> Option<PathBuf>>(
-        dir: F,
-        file: &str,
-    ) -> anyhow::Result<Option<ConfigFile>> {
-        if let Some(mut path) = dir() {
-            path.push(file);
-            if path.exists() {
-                Ok(Some(read_config_file(path)?))
-            } else {
-                Ok(None)
-            }
+    fn read_files<P: AsRef<Path>>(dir: P) -> anyhow::Result<Option<ConfigFile>> {
+        if let Some(file) = read_file(dir.as_ref(), DEFAULT_CONFIG_FILE)? {
+            Ok(Some(file))
+        } else if let Some(file) = read_file(dir.as_ref(), DEFAULT_HIDDEN_CONFIG_FILE)? {
+            Ok(Some(file))
+        } else {
+            Ok(None)
+        }
+    }
+
+    fn read_file<P: AsRef<Path>>(dir: P, file: &str) -> anyhow::Result<Option<ConfigFile>> {
+        let path = dir.as_ref().join(file);
+        if path.exists() {
+            Ok(Some(read_config_file(path)?))
         } else {
             Ok(None)
         }

trippy-config-sample.toml

@@ -3,22 +3,11 @@
 # Copy this template config file to your platform specific config dir.
 #
 # Trippy will attempt to locate a `trippy.toml` or `.trippy.toml` config file
-# in one of the following platform specific locations:
+# in one of the following locations:
 #   the current directory
 #   the user home directory
-#   the user config directory
-#
-# For example, on Linux the Trippy will attempt to locate the following
-# files (in order):
-#   `./trippy.toml`
-#   `./.trippy.toml`
-#   `$HOME/trippy.toml`
-#   `$HOME/.trippy.toml`
-#   `$HOME/.config/trippy.toml`
-#   `$HOME/.config/.trippy.toml`
-#
-# See https://github.com/dirs-dev/dirs-rs for platform specific directory
-# information.
+#   the XDG config directory (Unix only): `$XDG_CONFIG_HOME` or `~/.config`
+#   the Windows data directory (Windows only): `%APPDATA%`
 #
 # You may override the config file name and location by passing the `-c`
 # (`--config-file`) command line argument.
@@ -299,4 +288,4 @@ clear-dns-cache = "ctrl+k"
 clear-selection = "esc"
 toggle-as-info = "z"
 toggle-hop-details = "d"
-quit = "q"
+quit = "q"