$ git clone -n https://src.fedoraproject.org/rpms/fvwm.git /var/lib/mock/f40-build-751004-115699/root/chroot_tmpdir/scmroot/fvwm
Cloning into '/var/lib/mock/f40-build-751004-115699/root/chroot_tmpdir/scmroot/fvwm'...
$ git fetch origin 519482c8b74be634559d86511c8d79dca1859f52:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fvwm
 * [new ref]         519482c8b74be634559d86511c8d79dca1859f52 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 519482c Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild