$ git clone -n https://src.fedoraproject.org/rpms/python-pdm-backend.git /var/lib/mock/f39-build-1570105-37749/root/chroot_tmpdir/scmroot/python-pdm-backend
Cloning into '/var/lib/mock/f39-build-1570105-37749/root/chroot_tmpdir/scmroot/python-pdm-backend'...
$ git fetch origin 06f55c7daac2f3bbf9c89459b63c00b143feaa61:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pdm-backend
 * [new ref]         06f55c7daac2f3bbf9c89459b63c00b143feaa61 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 06f55c7 Update to 2.1.4 (rhbz#2213464)