$ git clone -n https://src.fedoraproject.org/rpms/kdsingleapplication.git /var/lib/mock/f40-build-2253401-54214/root/chroot_tmpdir/scmroot/kdsingleapplication
Cloning into '/var/lib/mock/f40-build-2253401-54214/root/chroot_tmpdir/scmroot/kdsingleapplication'...
$ git fetch origin 233c1b9fee222afceec636b778caddb146ea4f1a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kdsingleapplication
 * [new ref]         233c1b9fee222afceec636b778caddb146ea4f1a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 233c1b9 Update to version 1.1.0 (fedora#2255689)