$ git clone -n https://src.fedoraproject.org/rpms/java-scrypt.git /var/lib/mock/f41-build-1705967-24578/root/chroot_tmpdir/scmroot/java-scrypt
Cloning into '/var/lib/mock/f41-build-1705967-24578/root/chroot_tmpdir/scmroot/java-scrypt'...
$ git fetch origin bb6cea1826acca75cbe7a5dd46a0d21415dbdbb5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/java-scrypt
 * [new ref]         bb6cea1826acca75cbe7a5dd46a0d21415dbdbb5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bb6cea1 convert ASL 2.0 license to SPDX