$ git clone -n https://src.fedoraproject.org/rpms/tacacs.git /var/lib/mock/f39-build-1450648-32748/root/chroot_tmpdir/scmroot/tacacs
Cloning into '/var/lib/mock/f39-build-1450648-32748/root/chroot_tmpdir/scmroot/tacacs'...
$ git fetch origin 576cd1872542a4c6f7f74fed6c1c5345971d6347:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tacacs
 * [new ref]         576cd1872542a4c6f7f74fed6c1c5345971d6347 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 576cd18 Update to git snapshot 4fdf178 for CVE-2023-45239; Fixes: RHBZ#2242402