If it depends on bash, it should point to /bin/bash, as /bin/sh could easily be replaced by another shell, as you say.
** Changed in: beagle (Ubuntu) Status: Unconfirmed => Confirmed -- Some scripts produce errors with non-bash shells https://launchpad.net/bugs/51192 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs