$ git clone -n https://src.fedoraproject.org/rpms/docbook2X.git /var/lib/mock/f31-build-59481-28584/root/chroot_tmpdir/scmroot/docbook2X
Cloning into '/var/lib/mock/f31-build-59481-28584/root/chroot_tmpdir/scmroot/docbook2X'...
$ git reset --hard e834021db14a0560e660de610b9ebddc62453a68
HEAD is now at e834021 Perl 5.30 rebuild