$ git clone -n https://src.fedoraproject.org/rpms/exim.git /var/lib/mock/f33-build-194972-47189/root/chroot_tmpdir/scmroot/exim
Cloning into '/var/lib/mock/f33-build-194972-47189/root/chroot_tmpdir/scmroot/exim'...
$ git reset --hard ca3eadd65ffafbb6967dba0053cca2161137f568
HEAD is now at ca3eadd Improved the spec file not to override LDFLAGS