$ git clone -n https://src.fedoraproject.org/rpms/rust-password-hash.git /var/lib/mock/f45-build-43722-805/root/chroot_tmpdir/scmroot/rust-password-hash
Cloning into '/var/lib/mock/f45-build-43722-805/root/chroot_tmpdir/scmroot/rust-password-hash'...
$ git fetch origin e123764c618ddbb6456dc87f91ad3e1149226b5a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-password-hash
 * [new ref]         e123764c618ddbb6456dc87f91ad3e1149226b5a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e123764 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild