$ git clone -n https://src.fedoraproject.org/rpms/rust-qoi.git /var/lib/mock/f45-build-44187-811/root/chroot_tmpdir/scmroot/rust-qoi
Cloning into '/var/lib/mock/f45-build-44187-811/root/chroot_tmpdir/scmroot/rust-qoi'...
$ git fetch origin 543f5589467b4833bdbd120d7cf51d79e9b74983:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-qoi
 * [new ref]         543f5589467b4833bdbd120d7cf51d79e9b74983 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 543f558 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild