$ git clone -n https://src.fedoraproject.org/rpms/wise2.git /var/lib/mock/f40-build-2191562-51450/root/chroot_tmpdir/scmroot/wise2
Cloning into '/var/lib/mock/f40-build-2191562-51450/root/chroot_tmpdir/scmroot/wise2'...
$ git fetch origin 05f8f6e430d2a5fa56eb1ddf9cb7a76decfb3b4f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wise2
 * [new ref]         05f8f6e430d2a5fa56eb1ddf9cb7a76decfb3b4f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 05f8f6e Disable LTO flags