50 lines
1.5 KiB
Rust
50 lines
1.5 KiB
Rust
use std::env;
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use std::path::PathBuf;
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use anyhow::{Context, Result};
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const CONFIG_FILE_NAME: &str = "pacdef.yaml";
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/// Get the group directory where all group files are located. This is
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/// `$XDG_CONFIG_HOME/pacdef/groups`, which defaults to `$HOME/.config/pacdef/groups`.
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///
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/// # Errors
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///
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/// This function returns an error if both `$XDG_CONFIG_HOME` and `$HOME` are undefined.
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pub fn get_group_dir() -> Result<PathBuf> {
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let mut result = get_pacdef_base_dir().context("getting pacdef base dir")?;
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result.push("groups");
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Ok(result)
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}
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pub fn get_pacdef_base_dir() -> Result<PathBuf> {
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let mut dir = get_xdg_config_home().context("getting XDG_CONFIG_HOME")?;
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dir.push("pacdef");
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Ok(dir)
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}
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fn get_xdg_config_home() -> Result<PathBuf> {
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if let Ok(config) = env::var("XDG_CONFIG_HOME") {
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Ok(config.into())
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} else {
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let mut config = get_home_dir().context("falling back to $HOME/.config")?;
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config.push(".config");
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Ok(config)
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}
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}
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pub fn get_home_dir() -> Result<PathBuf> {
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Ok(env::var("HOME").context("getting $HOME variable")?.into())
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}
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/// Get the path to the pacdef config file. This is `$XDG_CONFIG_HOME/pacdef/pacdef.yaml`.
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///
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/// # Errors
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///
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/// This function returns an error if both `$XDG_CONFIG_HOME` and `$HOME` are undefined.
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pub fn get_config_path() -> Result<PathBuf> {
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let mut file = get_pacdef_base_dir().context("getting pacdef base dir for config file")?;
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file.push(CONFIG_FILE_NAME);
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Ok(file)
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}
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