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|
use {
crate::{
errors::ProgramError,
},
lfs_core::{
DeviceId,
Mount,
read_mounts,
ReadOptions,
},
};
pub struct MountList {
mounts: Option<Vec<Mount>>,
}
impl MountList {
pub const fn new() -> Self {
Self { mounts: None }
}
pub fn clear_cache(&mut self) {
self.mounts = None;
}
/// try to load the mounts if they aren't loaded.
pub fn load(&mut self) -> Result<&Vec<Mount>, ProgramError> {
if self.mounts.is_none() {
let mut options = ReadOptions::default();
options.remote_stats(false);
match read_mounts(&options) {
Ok(mut vec) => {
debug!("{} mounts loaded", vec.len());
vec.sort_by_key(|m| {
let size = m.stats().map_or(0, |s| s.size());
u64::MAX - size
});
self.mounts = Some(vec);
}
Err(e) => {
warn!("Failed to load mounts: {:?}", e);
return Err(ProgramError::Lfs {
details: e.to_string(),
});
}
}
}
Ok(
// this unwrap will be fixed as soon as there's option.insert in stable
self.mounts.as_ref().unwrap()
)
}
pub fn get_by_device_id(&self, dev: DeviceId) -> Option<&Mount> {
self.mounts.as_ref()
.and_then(|mounts| mounts.iter().find(|m| m.info.dev == dev))
}
}
|
