forked from nrabulinski/attic
82 lines
2.2 KiB
Nix
82 lines
2.2 KiB
Nix
# Generates a script to bootstrap the Attic client with a substituter for
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# CI usage. Will be simplier when Attic is in cache.nixos.org.
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{ self
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, writeText
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, writeScript
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, substituter ? "https://staging.attic.rs/attic-ci"
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, trustedPublicKey ? "attic-ci:U5Sey4mUxwBXM3iFapmP0/ogODXywKLRNgRPQpEXxbo="
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}:
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let
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cacheNixosOrg = "https://cache.nixos.org";
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cacheNixosOrgKey = "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=";
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bootstrapHeader = ''
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let
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maybeStorePath = if builtins ? langVersion && builtins.lessThan 1 builtins.langVersion
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then builtins.storePath
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else x: x;
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mkFakeDerivation = attrs: outputs:
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let
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outputNames = builtins.attrNames outputs;
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common = attrs // outputsSet //
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{ type = "derivation";
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outputs = outputNames;
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all = outputsList;
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};
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outputToAttrListElement = outputName:
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{ name = outputName;
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value = common // {
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inherit outputName;
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outPath = maybeStorePath (builtins.getAttr outputName outputs);
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};
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};
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outputsList = map outputToAttrListElement outputNames;
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outputsSet = builtins.listToAttrs outputsList;
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in outputsSet;
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in
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'';
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makeBootstrap = system: let
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package =
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if system == "x86_64-linux" then self.packages.${system}.attic-client-static
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else self.packages.${system}.attic-client;
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in ''
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"${system}" = (mkFakeDerivation {
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name = "${package.name}";
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system = "${system}";
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} {
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out = "${package.out}";
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}).out;
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'';
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bootstrapExpr = ''
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{ system ? builtins.currentSystem }:
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${bootstrapHeader}
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{
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${makeBootstrap "x86_64-linux"}
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${makeBootstrap "aarch64-linux"}
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${makeBootstrap "x86_64-darwin"}
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${makeBootstrap "aarch64-darwin"}
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}.''${system}
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'';
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bootstrapScript = writeScript "install-attic-ci.sh" ''
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#!/usr/bin/env bash
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set -euo pipefail
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expr=$(mktemp)
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cleanup() {
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rm -f "$expr"
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}
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cat >"$expr" <<'EOF'
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${bootstrapExpr}
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EOF
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nix-env --substituters "${substituter} ${cacheNixosOrg}" --trusted-public-keys "${trustedPublicKey} ${cacheNixosOrgKey}" -if "$expr"
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'';
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in bootstrapScript
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