$ git clone -n https://src.fedoraproject.org/rpms/wapanel.git /var/lib/mock/f40-build-1926872-25108/root/chroot_tmpdir/scmroot/wapanel
Cloning into '/var/lib/mock/f40-build-1926872-25108/root/chroot_tmpdir/scmroot/wapanel'...
$ git fetch origin 826766ce6851591a654c875ef6f1b7c1a7fcec56:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wapanel
 * [new ref]         826766ce6851591a654c875ef6f1b7c1a7fcec56 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 826766c https://github.com/Firstbober/wapanel/issues/39