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use std::borrow::Cow;
use std::fs;
use clap::crate_version;
use crate::directories::PROJECT_DIRS;
use bat::assets::HighlightingAssets;
use bat::assets_metadata::AssetsMetadata;
use bat::error::*;
pub fn config_dir() -> Cow<'static, str> {
PROJECT_DIRS.config_dir().to_string_lossy()
}
pub fn cache_dir() -> Cow<'static, str> {
PROJECT_DIRS.cache_dir().to_string_lossy()
}
pub fn clear_assets() {
clear_asset("themes.bin", "theme set cache");
clear_asset("syntaxes.bin", "syntax set cache");
clear_asset("metadata.yaml", "metadata file");
}
pub fn assets_from_cache_or_binary() -> Result<HighlightingAssets> {
let cache_dir = PROJECT_DIRS.cache_dir();
if let Some(metadata) = AssetsMetadata::load_from_folder(&cache_dir)? {
if !metadata.is_compatible_with(crate_version!()) {
return Err(format!(
"The binary caches for the user-customized syntaxes and themes \
in '{}' are not compatible with this version of bat ({}). To solve this, \
either rebuild the cache (bat cache --build) or remove \
the custom syntaxes/themes (bat cache --clear).\n\
For more information, see:\n\n \
https://github.com/sharkdp/bat#adding-new-syntaxes--language-definitions",
cache_dir.to_string_lossy(),
crate_version!()
)
.into());
}
}
Ok(HighlightingAssets::from_cache(&cache_dir)
.unwrap_or_else(|_| HighlightingAssets::from_binary()))
}
fn clear_asset(filename: &str, description: &str) {
print!("Clearing {} ... ", description);
fs::remove_file(PROJECT_DIRS.cache_dir().join(filename)).ok();
println!("okay");
}
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