Function get_package_info

alpm-package/src/input.rs:305–311

Returns a [`PackageInfo`] from a PKGINFO file in an input directory. # Errors Returns an error if - the file does not exist, - the file contents cannot be read to a buffer, - the hash digest of the file does not match that initially recorded in `mtree`, - or the file contents do not represent valid [`PackageInfo`] data.

(input_dir: &InputDir, mtree: &Mtree)

/// - the hash digest of the file does not match that initially recorded in `mtree`,
/// - or the file contents do not represent valid [`PackageInfo`] data.
fn get_package_info(input_dir: &InputDir, mtree: &Mtree) -> Result<PackageInfo, crate::Error> {
    debug!("Check that a valid PKGINFO file exists in {input_dir:?}.");

    let (_path, buf) = compare_digests(mtree, input_dir, MetadataFileName::PackageInfo.as_ref())?;

    PackageInfo::from_reader(buf.as_slice()).map_err(crate::Error::AlpmPackageInfo)
}

/// Returns an [`Mtree`] and its file hash digest.
///