Fix segfault when calling exec twice #30

	name: testjll
	on:
	- push

	defaults:
	run:
	shell: bash

	jobs:
	buildjll:
	name: Build JLL
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: julia-actions/setup-julia@latest
	with:
	version: '1.8'
	arch: x64
	- name: Cache artifacts
	uses: actions/cache@v2
	env:
	cache-name: cache-artifacts
	with:
	path: ~/.julia/artifacts
	key: ${{ runner.os }}-jll-${{ env.cache-name }}-${{ hashFiles('**/Project.toml') }}
	restore-keys: \|
	${{ runner.os }}-jll-${{ env.cache-name }}-
	${{ runner.os }}-jll-
	${{ runner.os }}-
	- uses: fusion-engineering/setup-git-credentials@v2
	with:
	credentials: https://cxxwrapdeploy:${{secrets.DEPLOY_KEY}}@github.com/
	- name: Build JLLs
	env:
	GITHUB_TOKEN: ${{ secrets.DEPLOY_KEY }}
	BINARYBUILDER_RUNNER: privileged
	BINARYBUILDER_USE_SQUASHFS: true
	BINARYBUILDER_AUTOMATIC_APPLE: true
	run: \|
	cd ..
	git config --global user.name "cxxwrapdeploy"
	git config --global user.email "[email protected]"
	julia --project=./jlqml/binarybuilder -e "using Pkg; Pkg.instantiate()"
	julia --project=./jlqml/binarybuilder ./jlqml/binarybuilder/build_tarballs.jl

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