Fix local vars bashisms that are not defined in posix #168

	name: Check for bashisms

	on:
	# push:
	# paths:
	# - tabs/**
	# branches: [ "main" ]
	pull_request:
	paths:
	- tabs/**
	merge_group:
	workflow_dispatch:

	jobs:
	check-bashisms:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	- run: git fetch origin ${{ github.base_ref }}

	- name: Install devscripts
	run: sudo apt-get update && sudo apt-get install devscripts

	- name: Check for bashisms in changed files
	run: \|
	for file in $(git diff --name-only origin/${{ github.base_ref }} HEAD tabs); do
	if [[ "$file" == *.sh ]]; then
	checkbashisms "$file"
	fi
	done

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