$ git clone -n https://src.fedoraproject.org/rpms/perltidy.git /var/lib/mock/f40-build-2021885-46758/root/chroot_tmpdir/scmroot/perltidy
Cloning into '/var/lib/mock/f40-build-2021885-46758/root/chroot_tmpdir/scmroot/perltidy'...
$ git fetch origin 85b1bdd0dbcaa4f0e476346a891c24e1f4f13f02:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perltidy
 * [new ref]         85b1bdd0dbcaa4f0e476346a891c24e1f4f13f02 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 85b1bdd Update to 20230912 (rhbz#2238633)