$ git clone -n https://src.fedoraproject.org/rpms/mingw-postgresql.git /var/lib/mock/f45-build-18653-525/root/chroot_tmpdir/scmroot/mingw-postgresql
Cloning into '/var/lib/mock/f45-build-18653-525/root/chroot_tmpdir/scmroot/mingw-postgresql'...
$ git fetch origin afa390483bc1b5168d2b51cb3a78f31dc0a8c71c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-postgresql
 * [new ref]         afa390483bc1b5168d2b51cb3a78f31dc0a8c71c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at afa3904 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild