$ git clone -n https://src.fedoraproject.org/rpms/libfontenc.git /var/lib/mock/f40-build-2603991-63363/root/chroot_tmpdir/scmroot/libfontenc
Cloning into '/var/lib/mock/f40-build-2603991-63363/root/chroot_tmpdir/scmroot/libfontenc'...
$ git fetch origin 15faec9084377bdedcf99a75947b07d266735a96:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libfontenc
 * [new ref]         15faec9084377bdedcf99a75947b07d266735a96 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 15faec9 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild