$ git clone -n https://src.fedoraproject.org/rpms/python-progressbar2.git /var/lib/mock/f40-build-2317284-58127/root/chroot_tmpdir/scmroot/python-progressbar2
Cloning into '/var/lib/mock/f40-build-2317284-58127/root/chroot_tmpdir/scmroot/python-progressbar2'...
$ git fetch origin da46ae020f69c14ff6ce42b9e7cf4a3ba81099d3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-progressbar2
 * [new ref]         da46ae020f69c14ff6ce42b9e7cf4a3ba81099d3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at da46ae0 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild