Add workflow for checking the script #38

	name: Shell

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]
	workflow_dispatch:

	jobs:
	check-shell-scripts:
	name: Check
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Run shfmt and shellcheck
	uses: luizm/action-sh-checker@v0.8.0
	env:
	SHFMT_OPTS: -d -s -w -i 4 -ln bash

	check-script-logic:
	name: Check the mechanics of the script on ${{ matrix.os }}
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os:
	- ubuntu-latest
	- macos-latest
	fail-fast: false
	steps:
	- uses: actions/checkout@v4

	- name: Set up Go
	uses: actions/setup-go@v5
	with:
	go-version: '1.23.1'

	- name: Configure test repository
	run: \|
	git clone https://github.com/xorcare/tornado
	cd tornado
	git config user.email "you@example.com"
	git config user.name "Your Name"

	- name: Test help flags
	working-directory: tornado
	run: \|
	../go-mod-bump.sh -h
	../go-mod-bump.sh -help
	../go-mod-bump.sh

	- name: Test bump go version
	working-directory: tornado
	run: \|
	git checkout dc67e0b4138c3487d3b4d5f012b6a3262d2db25e
	../go-mod-bump.sh go
	commit_count=$(git rev-list --count HEAD ^dc67e0b4138c3487d3b4d5f012b6a3262d2db25e)
	if [[ "$commit_count" == 0 ]]; then
	echo "ERROR: No changes have been detected, but they must be exist"
	exit 1
	fi

	- name: Test bump modules version
	working-directory: tornado
	run: \|
	git checkout dc67e0b4138c3487d3b4d5f012b6a3262d2db25e
	../go-mod-bump.sh all
	commit_count=$(git rev-list --count HEAD ^dc67e0b4138c3487d3b4d5f012b6a3262d2db25e)
	if [[ "$commit_count" == 0 ]]; then
	echo "ERROR: No changes have been detected, but they must be exist"
	exit 1
	fi

Provide feedback