$ git clone -n https://src.fedoraproject.org/rpms/pim-data-exporter.git /var/lib/mock/f39-build-1963782-43279/root/chroot_tmpdir/scmroot/pim-data-exporter
Cloning into '/var/lib/mock/f39-build-1963782-43279/root/chroot_tmpdir/scmroot/pim-data-exporter'...
$ git fetch origin b4ec86ef652c46acf51343489496027ae06725e2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pim-data-exporter
 * [new ref]         b4ec86ef652c46acf51343489496027ae06725e2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b4ec86e 23.08.3