c3da6319ec8479eb27ce6452cfd78463c29fefdb
Check that function calls look like ^function foo {$ in bash8, and fix
all existing failures of that check. Add a note to HACKING.rst
Change-Id: Ic19eecb39e0b20273d1bcd551a42fe400d54e938
(cherry picked from commit aee18c749b0e3a1a3a6907a33db76ae83b8d41d9)
Description
Code style enforcement for bash programs.
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