$ git clone -n https://src.fedoraproject.org/rpms/kdesdk-thumbnailers.git /var/lib/mock/f40-build-788738-135313/root/chroot_tmpdir/scmroot/kdesdk-thumbnailers
Cloning into '/var/lib/mock/f40-build-788738-135313/root/chroot_tmpdir/scmroot/kdesdk-thumbnailers'...
$ git fetch origin eb53744634509663799b0bbfec752afac05c00dd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kdesdk-thumbnailers
 * [new ref]         eb53744634509663799b0bbfec752afac05c00dd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eb53744 24.02.0