$ git clone -n https://src.fedoraproject.org/rpms/rust-async-compression.git /var/lib/mock/f41-build-side-1-2923621-34982/root/chroot_tmpdir/scmroot/rust-async-compression
Cloning into '/var/lib/mock/f41-build-side-1-2923621-34982/root/chroot_tmpdir/scmroot/rust-async-compression'...
$ git fetch origin 1d5338dc81ce06999c0f9eb8d6dae259fc6cd070:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-async-compression
 * [new ref]         1d5338dc81ce06999c0f9eb8d6dae259fc6cd070 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1d5338d Update to 0.4.13 (close RHBZ#2316120)