install-nix-action/lib/install-nix.sh
2020-08-25 18:17:09 +02:00

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#!/usr/bin/env bash
set -euo pipefail
# Set jobs to number of cores
sudo sh -c 'echo max-jobs = auto >> /tmp/nix.conf'
# Allow binary caches for runner user
sudo sh -c 'echo trusted-users = root runner >> /tmp/nix.conf'
# Append extra nix configuration if provided
if [[ -n $INPUT_EXTRA_NIX_CONFIG ]]; then
echo "$INPUT_EXTRA_NIX_CONFIG" | sudo tee -a /tmp/nix.conf >/dev/null
fi
install_options=(
--daemon
--daemon-user-count 4
--nix-extra-conf-file /tmp/nix.conf
--darwin-use-unencrypted-nix-store-volume
)
if [[ $INPUT_SKIP_ADDING_NIXPKGS_CHANNEL = "true" || -n $INPUT_NIX_PATH ]]; then
install_options+=(--no-channel-add)
else
INPUT_NIX_PATH="/nix/var/nix/profiles/per-user/root/channels"
fi
sh <(curl --retry 5 --retry-connrefused -L "${INPUT_INSTALL_URL:-https://nixos.org/nix/install}") \
"${install_options[@]}"
if [[ $OSTYPE =~ darwin ]]; then
# Disable spotlight indexing of /nix to speed up performance
sudo mdutil -i off /nix
# macOS needs certificates hints
cert_file=/nix/var/nix/profiles/default/etc/ssl/certs/ca-bundle.crt
echo "::set-env name=NIX_SSL_CERT_FILE::$cert_file"
export NIX_SSL_CERT_FILE=$cert_file
sudo launchctl setenv NIX_SSL_CERT_FILE "$cert_file"
fi
# Set paths
echo "::add-path::/nix/var/nix/profiles/per-user/runner/profile/bin"
echo "::add-path::/nix/var/nix/profiles/default/bin"
if [[ $INPUT_NIX_PATH != "" ]]; then
echo "::set-env name=NIX_PATH::${INPUT_NIX_PATH}"
fi