$ git clone -n https://src.fedoraproject.org/rpms/kf5-libksieve.git /var/lib/mock/f38-build-729624-101821/root/chroot_tmpdir/scmroot/kf5-libksieve
Cloning into '/var/lib/mock/f38-build-729624-101821/root/chroot_tmpdir/scmroot/kf5-libksieve'...
$ git fetch origin 50c6e000c5093b03bd00485389187c39d9e32bc2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-libksieve
 * [new ref]         50c6e000c5093b03bd00485389187c39d9e32bc2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 50c6e00 23.04.2