$ git clone -n https://src.fedoraproject.org/rpms/libdwarf.git /var/lib/mock/f29-build-1336-512/root/thebuilddir/tmp/scmroot/libdwarf
Cloning into '/var/lib/mock/f29-build-1336-512/root/thebuilddir/tmp/scmroot/libdwarf'...
$ git reset --hard 49405e738999036f7ad0459c9cd560019fe0135b
HEAD is now at 49405e7 Require gcc