$ git clone -n https://src.fedoraproject.org/rpms/java-scrypt.git /var/lib/mock/f41-build-1197567-22347/root/chroot_tmpdir/scmroot/java-scrypt
Cloning into '/var/lib/mock/f41-build-1197567-22347/root/chroot_tmpdir/scmroot/java-scrypt'...
$ git fetch origin 848b324fd01de84738729ed63bd795f4acc11e2b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/java-scrypt
 * [new ref]         848b324fd01de84738729ed63bd795f4acc11e2b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 848b324 Eliminate use of obsolete %patchN syntax (#2283636)