/usr/src/openvswitch-1.4.2+git20120612/boot.sh is in openvswitch-datapath-dkms 1.4.2+git20120612-9.1~deb7u1.1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 | #! /bin/sh
autoreconf --install --force
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