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// Based on code from https://github.com/sharkdp/bat v0.17.1 (6d981498d80aa0127df9547ec0ac69d8314b29e5)
// See src/bat_utils/LICENSE
use std::env;
use std::path::{Path, PathBuf};
use lazy_static::lazy_static;
/// Wrapper for 'dirs' that treats MacOS more like Linux, by following the XDG specification.
/// This means that the `XDG_CACHE_HOME` and `XDG_CONFIG_HOME` environment variables are
/// checked first. The fallback directories are `~/.cache/bat` and `~/.config/bat`, respectively.
pub struct BatProjectDirs {
cache_dir: PathBuf,
config_dir: PathBuf,
}
impl BatProjectDirs {
fn new() -> Option<BatProjectDirs> {
let cache_dir = BatProjectDirs::get_cache_dir()?;
#[cfg(target_os = "macos")]
let config_dir_op = env::var_os("XDG_CONFIG_HOME")
.map(PathBuf::from)
.filter(|p| p.is_absolute())
.or_else(|| dirs::home_dir().map(|d| d.join(".config")));
#[cfg(not(target_os = "macos"))]
let config_dir_op = dirs::config_dir();
let config_dir = config_dir_op.map(|d| d.join("bat"))?;
Some(BatProjectDirs {
cache_dir,
config_dir,
})
}
fn get_cache_dir() -> Option<PathBuf> {
// on all OS prefer BAT_CACHE_PATH if set
let cache_dir_op = env::var_os("BAT_CACHE_PATH").map(PathBuf::from);
if cache_dir_op.is_some() {
return cache_dir_op;
}
#[cfg(target_os = "macos")]
let cache_dir_op = env::var_os("XDG_CACHE_HOME")
.map(PathBuf::from)
.filter(|p| p.is_absolute())
.or_else(|| dirs::home_dir().map(|d| d.join(".cache")));
#[cfg(not(target_os = "macos"))]
let cache_dir_op = dirs::cache_dir();
cache_dir_op.map(|d| d.join("bat"))
}
pub fn cache_dir(&self) -> &Path {
&self.cache_dir
}
pub fn config_dir(&self) -> &Path {
&self.config_dir
}
}
lazy_static! {
pub static ref PROJECT_DIRS: BatProjectDirs =
BatProjectDirs::new().expect("Could not get home directory");
}
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