$ git clone -n https://src.fedoraproject.org/rpms/perl-Date-Pcalc.git /var/lib/mock/f31-build-44483-26206/root/thebuilddir/tmp/scmroot/perl-Date-Pcalc
Cloning into '/var/lib/mock/f31-build-44483-26206/root/thebuilddir/tmp/scmroot/perl-Date-Pcalc'...
$ git reset --hard 67330bcbe1fdb1c97282e0546a30eb09062e4147
HEAD is now at 67330bc Perl 5.30 rebuild