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#! /usr/bin/env bash
set -e
export NIX_CURL_FLAGS=-sS
if [[ $1 == nix ]]; then
echo "=== Installing Nix..."
# Install Nix
bash <(curl -sS https://nixos.org/nix/install)
source $HOME/.nix-profile/etc/profile.d/nix.sh
# Make sure we can use hydra's binary cache
sudo mkdir /etc/nix
sudo sh -c 'echo "build-max-jobs = 4" > /etc/nix/nix.conf'
# Nix builds in /tmp and we need exec support
sudo mount
sudo mount -o remount,exec /run
# Verify evaluation
echo "=== Verifying that nixpkgs evaluates..."
nix-env -f. -qa --json >/dev/null
elif [[ $1 == nox ]]; then
source $HOME/.nix-profile/etc/profile.d/nix.sh
echo "=== Installing nox..."
nix-build -A nox '<nixpkgs>' --show-trace
elif [[ $1 == build ]]; then
source $HOME/.nix-profile/etc/profile.d/nix.sh
if [[ $TRAVIS_OS_NAME == "osx" ]]; then
echo "Skipping NixOS things on darwin"
else
echo "=== Checking NixOS options"
nix-build nixos/release.nix -A options --show-trace
echo "=== Checking tarball creation"
nix-build pkgs/top-level/release.nix -A tarball --show-trace
fi
if [[ $TRAVIS_PULL_REQUEST == false ]]; then
echo "=== Not a pull request"
else
echo "=== Checking PR"
if ! nix-shell -p nox --run "nox-review pr ${TRAVIS_PULL_REQUEST}"; then
if sudo dmesg | egrep 'Out of memory|Killed process' > /tmp/oom-log; then
echo "=== The build failed due to running out of memory:"
cat /tmp/oom-log
echo "=== Please disregard the result of this Travis build."
fi
exit 1
fi
fi
else
echo "$0: Unknown option $1" >&2
false
fi
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