$ git clone -n https://src.fedoraproject.org/rpms/perl-re-engine-PCRE.git /var/lib/mock/f31-build-45525-26356/root/thebuilddir/tmp/scmroot/perl-re-engine-PCRE
Cloning into '/var/lib/mock/f31-build-45525-26356/root/thebuilddir/tmp/scmroot/perl-re-engine-PCRE'...
$ git reset --hard a391aec61d37f263efc0620e6f1d952afb1c05d4
HEAD is now at a391aec Perl 5.30 rebuild