$ git clone -n https://src.fedoraproject.org/rpms/pcem.git /var/lib/mock/f40-build-807169-145173/root/chroot_tmpdir/scmroot/pcem
Cloning into '/var/lib/mock/f40-build-807169-145173/root/chroot_tmpdir/scmroot/pcem'...
$ git reset --hard b9781bc6c8bc8c012e75dc8710d544454bd59283
HEAD is now at b9781bc Drop i686 builds