$ git clone -n https://src.fedoraproject.org/rpms/kdesdk-thumbnailers.git /var/lib/mock/f40-build-2218343-52595/root/chroot_tmpdir/scmroot/kdesdk-thumbnailers
Cloning into '/var/lib/mock/f40-build-2218343-52595/root/chroot_tmpdir/scmroot/kdesdk-thumbnailers'...
$ git fetch origin 9d83b12ea10e353a63584a9b06cc537dec7fad4f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kdesdk-thumbnailers
 * [new ref]         9d83b12ea10e353a63584a9b06cc537dec7fad4f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9d83b12 Upload 24.01.85 sources