Add sharness tests for mode and mtime #394

	on: [push, pull_request]
	name: Integration Tests

	jobs:
	sharness:
	strategy:
	fail-fast: false
	matrix:
	os: [ "ubuntu", "macos" ]
	go: [ "1.21.x" ]
	runs-on: ${{ matrix.os }}-latest
	name: Sharness (${{ matrix.os }} / go-${{ matrix.go }})
	steps:
	- uses: actions/checkout@v2
	with:
	submodules: recursive
	- uses: actions/setup-go@v2
	with:
	go-version: ${{ matrix.go }}
	- name: Go information
	run: \|
	go version
	go env
	- name: Run sharness tests
	run: \|
	# we want to run tests against the current version of ipget
	# however, that version might be in a fork so we need to replace the dependency
	# backup the go.mod and go.sum files to restore them after we run the tests
	cd dependencies
	cp go.mod go.mod.bak
	cp go.sum go.sum.bak
	# make sure the tests run against the current version of ipget
	go mod edit -replace github.com/ipfs/ipget=./../..
	go mod tidy
	cd ..
	make
	cd dependencies
	# restore the go.mod and go.sum files to their original state
	mv go.mod.bak go.mod
	mv go.sum.bak go.sum
	env:
	TEST_VERBOSE: 1
	working-directory: sharness

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