$ git clone -n https://src.fedoraproject.org/rpms/rust-bcrypt-pbkdf.git /var/lib/mock/f45-build-40463-772/root/chroot_tmpdir/scmroot/rust-bcrypt-pbkdf
Cloning into '/var/lib/mock/f45-build-40463-772/root/chroot_tmpdir/scmroot/rust-bcrypt-pbkdf'...
$ git fetch origin dbddf45b44752d4089468f72151dd246f145ede4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-bcrypt-pbkdf
 * [new ref]         dbddf45b44752d4089468f72151dd246f145ede4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dbddf45 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild