$ git clone -n https://src.fedoraproject.org/rpms/lib3mf.git /var/lib/mock/f40-build-785834-134127/root/chroot_tmpdir/scmroot/lib3mf
Cloning into '/var/lib/mock/f40-build-785834-134127/root/chroot_tmpdir/scmroot/lib3mf'...
$ git fetch origin 8a8128dffea8e31d950c0b4aa600a5136070512a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lib3mf
 * [new ref]         8a8128dffea8e31d950c0b4aa600a5136070512a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8a8128d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild