$ git clone -n https://src.fedoraproject.org/rpms/kf5-kiconthemes.git /var/lib/mock/f38-build-717402-96560/root/chroot_tmpdir/scmroot/kf5-kiconthemes
Cloning into '/var/lib/mock/f38-build-717402-96560/root/chroot_tmpdir/scmroot/kf5-kiconthemes'...
$ git fetch origin 79ba066c6c65841c139a20d6d57a7042d8c14267:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kiconthemes
 * [new ref]         79ba066c6c65841c139a20d6d57a7042d8c14267 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 79ba066 5.106.0