$ git clone -n https://src.fedoraproject.org/rpms/perl-Boost-Geometry-Utils.git /var/lib/mock/f41-build-816324-150086/root/chroot_tmpdir/scmroot/perl-Boost-Geometry-Utils
Cloning into '/var/lib/mock/f41-build-816324-150086/root/chroot_tmpdir/scmroot/perl-Boost-Geometry-Utils'...
$ git reset --hard 138b87f223b560a12d6e691a66b5a619708fc18c
HEAD is now at 138b87f Perl 5.40 rebuild