$ git clone -n https://src.fedoraproject.org/rpms/xfce4-smartbookmark-plugin.git /var/lib/mock/f41-build-side-1-2826631-33435/root/chroot_tmpdir/scmroot/xfce4-smartbookmark-plugin
Cloning into '/var/lib/mock/f41-build-side-1-2826631-33435/root/chroot_tmpdir/scmroot/xfce4-smartbookmark-plugin'...
$ git fetch origin 19e6652ac9a1358b1786a039294c0cda32ee8986:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xfce4-smartbookmark-plugin
 * [new ref]         19e6652ac9a1358b1786a039294c0cda32ee8986 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 19e6652 convert GPLv2+ license to SPDX