$ git clone -n https://src.fedoraproject.org/rpms/amsynth.git /var/lib/mock/f41-build-1715424-24626/root/chroot_tmpdir/scmroot/amsynth
Cloning into '/var/lib/mock/f41-build-1715424-24626/root/chroot_tmpdir/scmroot/amsynth'...
$ git fetch origin 11677a070aabfe459d059e08d1de561f4b739bfd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/amsynth
 * [new ref]         11677a070aabfe459d059e08d1de561f4b739bfd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 11677a0 convert GPLv2+ license to SPDX