$ git clone -n https://src.fedoraproject.org/rpms/libFS.git /var/lib/mock/f40-build-786259-134210/root/chroot_tmpdir/scmroot/libFS
Cloning into '/var/lib/mock/f40-build-786259-134210/root/chroot_tmpdir/scmroot/libFS'...
$ git fetch origin 771175d539af74e354e0f32654789c2f11b88a46:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libFS
 * [new ref]         771175d539af74e354e0f32654789c2f11b88a46 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 771175d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild