actions/cargo-binstall
1
0
Fork 0
mirror of https://github.com/cargo-bins/cargo-binstall.git synced 2025-05-14 16:00:03 +00:00
Code Issues Projects Releases Packages Wiki Activity

Find best download source out of alternatives (format extension) (#236)

Browse source
This commit is contained in:
Félix Saparelli 2022-07-24 14:32:23 +12:00 • committed by GitHub
parent 19266a4fb6
commit adef01f3dd
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
7 changed files with 93 additions and 52 deletions
Download patch file Download diff file Expand all files Collapse all files

13
src/fetchers.rs
View file

@ -21,8 +21,15 @@ pub trait Fetcher: Send + Sync {
/// Fetch a package and extract
async fn fetch_and_extract(&self, dst: &Path) -> Result<(), BinstallError>;
/// Check if a package is available for download
async fn check(&self) -> Result<bool, BinstallError>;
/// Find the package, if it is available for download
///
/// This may look for multiple remote targets, but must write (using some form of interior
/// mutability) the best one to the implementing struct in some way so `fetch_and_extract` can
/// proceed without additional work.
///
/// Must return `true` if a package is available, `false` if none is, and reserve errors to
/// fatal conditions only.
async fn find(&self) -> Result<bool, BinstallError>;
/// Return the package format
fn pkg_fmt(&self) -> PkgFmt;
@ -56,7 +63,7 @@ impl MultiFetcher {
pub fn add(&mut self, fetcher: Arc<dyn Fetcher>) {
self.0.push((
fetcher.clone(),
AutoAbortJoinHandle::new(tokio::spawn(async move { fetcher.check().await })),
AutoAbortJoinHandle::new(tokio::spawn(async move { fetcher.find().await })),
));
}