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55d5fa5dea
* Upgrade to nixpkgs 19.03 (#871) * Fix nix-build restart Without || true we will never get to the next line.
56 lines
1.5 KiB
Bash
Executable File
56 lines
1.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright (c) 2019 Digital Asset (Switzerland) GmbH and/or its affiliates. All rights reserved.
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# SPDX-License-Identifier: Apache-2.0
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# shellcheck disable=SC2174
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# Installs nix on a fresh machine
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set -euo pipefail
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## Functions ##
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step() {
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echo "step: $*" >&2
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}
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## Main ##
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cd "$(dirname "$0")/.."
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if [[ ! -e /nix ]]; then
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step "Installing Nix"
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sudo mkdir -m 0755 /nix
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sudo chown "$(id -u):$(id -g)" /nix
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# 2.2.2 seems to segfault on MacOS in CI so for now we use 2.2.1.
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curl -sfL https://nixos.org/releases/nix/nix-2.2.1/install | bash
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fi
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# shellcheck source=../dev-env/lib/ensure-nix
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source dev-env/lib/ensure-nix
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export NIX_CONF_DIR=$PWD/dev-env/etc
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step "Building dev-env dependencies"
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# Nix cache downloads can sometimes be flaky and end with "unexpected end-of-file" so we
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# repeat this a few times. There does not seem to be an option that we can pass to nix
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# to make it retry itself. See https://github.com/NixOS/nix/issues/2794 for the issue requesting
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# this feature.
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NIX_FAILED=0
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for i in `seq 10`; do
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NIX_FAILED=0
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nix-build nix -A tools -A cached 2>&1 | tee nix_log || NIX_FAILED=1
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# It should be in the last line but let’s use the last 3 and wildcards
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# to be robust against slight changes.
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if [[ $NIX_FAILED -ne 0 ]] && [[ $(tail -n 3 nix_log) == *"unexpected end-of-file"* ]]; then
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echo "Restarting nix-build due to failed cache download"
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continue
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fi
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break
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done
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if [[ $NIX_FAILED -ne 0 ]]; then
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exit 1
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fi
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