tahoe-lafs/.circleci/fix-permissions.sh

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#!/bin/bash
# https://vaneyckt.io/posts/safer_bash_scripts_with_set_euxo_pipefail/
set -euxo pipefail
# The filesystem location of the wheelhouse which we'll populate with wheels
# for all of our dependencies.
WHEELHOUSE_PATH="$1"
shift
# The filesystem location of the root of a virtualenv we can use to get/build
# wheels.
BOOTSTRAP_VENV="$1"
shift
# The filesystem location of the root of the project source. We need this to
# know what wheels to get/build, of course.
PROJECT_ROOT="$1"
shift
# Most stuff is going to run as nobody. Here's a helper to make sure nobody
# can access necessary files.
CHOWN_NOBODY="chown --recursive nobody:$(id --group nobody)"
# Avoid the /nonexistent home directory in nobody's /etc/passwd entry.
usermod --home /tmp/nobody nobody
# Grant read access to nobody, the user which will eventually try to test this
# checkout.
${CHOWN_NOBODY} "${PROJECT_ROOT}"
# Create a place for some wheels to live.
mkdir -p "${WHEELHOUSE_PATH}"
${CHOWN_NOBODY} "${WHEELHOUSE_PATH}"