$ git clone -n https://src.fedoraproject.org/rpms/gnome-hexgl.git /var/lib/mock/f42-build-3275546-41321/root/chroot_tmpdir/scmroot/gnome-hexgl
Cloning into '/var/lib/mock/f42-build-3275546-41321/root/chroot_tmpdir/scmroot/gnome-hexgl'...
$ git fetch origin 5db147b2accd1fc8ce1e837f0386103594841fa8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-hexgl
 * [new ref]         5db147b2accd1fc8ce1e837f0386103594841fa8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5db147b Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild