$ git clone -n https://src.fedoraproject.org/rpms/systemd-bootchart.git /var/lib/mock/f40-build-2608864-63746/root/chroot_tmpdir/scmroot/systemd-bootchart
Cloning into '/var/lib/mock/f40-build-2608864-63746/root/chroot_tmpdir/scmroot/systemd-bootchart'...
$ git fetch origin 318201df313bcce4aa180809c9deeb599c167af8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/systemd-bootchart
 * [new ref]         318201df313bcce4aa180809c9deeb599c167af8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 318201d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild