$ git clone -n https://src.fedoraproject.org/rpms/perl-Devel-Caller.git /var/lib/mock/f29-build-1516-546/root/thebuilddir/tmp/scmroot/perl-Devel-Caller
Cloning into '/var/lib/mock/f29-build-1516-546/root/thebuilddir/tmp/scmroot/perl-Devel-Caller'...
$ git reset --hard 4c96de7679ba7c1cd2e5550c30faab310766bbc0
HEAD is now at 4c96de7 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild