$ git clone -n https://src.fedoraproject.org/rpms/guvcview.git /var/lib/mock/f40-build-800013-142744/root/chroot_tmpdir/scmroot/guvcview
Cloning into '/var/lib/mock/f40-build-800013-142744/root/chroot_tmpdir/scmroot/guvcview'...
$ git fetch origin a81dd2669d28d15c0349df33da6dd66813108faf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/guvcview
 * [new ref]         a81dd2669d28d15c0349df33da6dd66813108faf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a81dd26 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild