$ git clone -n https://src.fedoraproject.org/rpms/rust-simple_logger1.git /var/lib/mock/f45-build-44981-820/root/chroot_tmpdir/scmroot/rust-simple_logger1
Cloning into '/var/lib/mock/f45-build-44981-820/root/chroot_tmpdir/scmroot/rust-simple_logger1'...
$ git fetch origin be2f4dd44b3c67f7e60d39db548f940fad0fa504:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-simple_logger1
 * [new ref]         be2f4dd44b3c67f7e60d39db548f940fad0fa504 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at be2f4dd Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild