$ git clone -n https://src.fedoraproject.org/rpms/rust-argfile.git /var/lib/mock/f45-build-40113-768/root/chroot_tmpdir/scmroot/rust-argfile
Cloning into '/var/lib/mock/f45-build-40113-768/root/chroot_tmpdir/scmroot/rust-argfile'...
$ git fetch origin 9b5074e81b8f9d00bb05cd97f1816878634351eb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-argfile
 * [new ref]         9b5074e81b8f9d00bb05cd97f1816878634351eb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9b5074e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild