$ git clone -n https://git.centos.org/rpms/postgresql /var/lib/mock/module-postgresql-13-8040020210222041810-9f9e2e7e-build-65971-18083/root/chroot_tmpdir/scmroot/postgresql
Cloning into '/var/lib/mock/module-postgresql-13-8040020210222041810-9f9e2e7e-build-65971-18083/root/chroot_tmpdir/scmroot/postgresql'...
$ git reset --hard 291e32d6ee6a05302f44e19004d1d730e855eb23
HEAD is now at 291e32d import postgresql-13.2-1.module+el8.4.0+10017+06fd4df3