Bug#464026: [checks/scripts] Sync bashism tests with checkbashisms

[Russ Allbery <rra@debian.org>]

"Adam D. Barratt" <adam@adam-barratt.org.uk> writes:

> The first two certainly should be prefixed by something to avoid them
> matching strings that happen to end in "echo -e". I've updated
> checkbashisms to do so for all three.
>
> As far as I can see that won't stop "echo echo -e" matching, however.

I was proposing using:

	  '(?:^|\s+)echo\s+-e',        # echo -e
	  '(?:^|\s+)exec\s+-[acl]',    # exec -c/-l/-a name
	  '(?:^|\s+)let\s',	       # let ...

-- 
Russ Allbery (rra@debian.org)               <http://www.eyrie.org/~eagle/>