$ git clone -n https://src.fedoraproject.org/rpms/kaidan.git /var/lib/mock/f40-build-758740-120018/root/chroot_tmpdir/scmroot/kaidan
Cloning into '/var/lib/mock/f40-build-758740-120018/root/chroot_tmpdir/scmroot/kaidan'...
$ git fetch origin 3bfaa201c272f2275c9d3361fdce3cb6528b1b77:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kaidan
 * [new ref]         3bfaa201c272f2275c9d3361fdce3cb6528b1b77 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3bfaa20 Avoid build dependency on kquickimageeditor-devel