$ git clone -n https://src.fedoraproject.org/rpms/rust-stringprep.git /var/lib/mock/f45-build-45214-821/root/chroot_tmpdir/scmroot/rust-stringprep
Cloning into '/var/lib/mock/f45-build-45214-821/root/chroot_tmpdir/scmroot/rust-stringprep'...
$ git fetch origin adfc36c3ca2133138b9f33d04e34b4411b2c915b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-stringprep
 * [new ref]         adfc36c3ca2133138b9f33d04e34b4411b2c915b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at adfc36c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild