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