$ git clone -n https://src.fedoraproject.org/rpms/postgresql17.git /var/lib/mock/f42-build-side-1-3578436-46814/root/chroot_tmpdir/scmroot/postgresql17
Cloning into '/var/lib/mock/f42-build-side-1-3578436-46814/root/chroot_tmpdir/scmroot/postgresql17'...
$ git fetch origin 624c332334a4244cb89c1c915dde0eabfb2de2de:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/postgresql17
 * [new ref]         624c332334a4244cb89c1c915dde0eabfb2de2de -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 624c332 Update to 17.5 upstream release