$ git clone -n https://src.fedoraproject.org/rpms/rust-alsa-sys.git /var/lib/mock/f45-build-40027-767/root/chroot_tmpdir/scmroot/rust-alsa-sys
Cloning into '/var/lib/mock/f45-build-40027-767/root/chroot_tmpdir/scmroot/rust-alsa-sys'...
$ git fetch origin 341562f72033897fc83f345ea3e445958590fa25:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-alsa-sys
 * [new ref]         341562f72033897fc83f345ea3e445958590fa25 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 341562f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild