$ git clone -n https://src.fedoraproject.org/rpms/qsynth.git /var/lib/mock/f40-build-2259117-54366/root/chroot_tmpdir/scmroot/qsynth
Cloning into '/var/lib/mock/f40-build-2259117-54366/root/chroot_tmpdir/scmroot/qsynth'...
$ git fetch origin 61d56ed656d71ab939191c38d05def3e233c3295:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qsynth
 * [new ref]         61d56ed656d71ab939191c38d05def3e233c3295 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 61d56ed Use Qt6