$ git clone -n https://src.fedoraproject.org/rpms/cpp-jwt.git /var/lib/mock/f40-build-2432920-60678/root/chroot_tmpdir/scmroot/cpp-jwt
Cloning into '/var/lib/mock/f40-build-2432920-60678/root/chroot_tmpdir/scmroot/cpp-jwt'...
$ git fetch origin 56ce771c846732fd66648be8bc9b01bbe1afdf90:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cpp-jwt
 * [new ref]         56ce771c846732fd66648be8bc9b01bbe1afdf90 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 56ce771 increment release