mirror of
https://github.com/fort-nix/nix-bitcoin.git
synced 2024-11-30 13:38:37 +03:00
48 lines
1.1 KiB
Bash
Executable File
48 lines
1.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Build a single-output derivation and store it in 'cachixCache'.
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# Skip the build if it is already cached.
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# Accepts the same arguments as nix-instantiate.
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set -euo pipefail
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CACHIX_SIGNING_KEY="${CACHIX_SIGNING_KEY:-}"
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cachixCache=nix-bitcoin
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trap 'echo Error at line $LINENO' ERR
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tmpDir=$(mktemp -d -p /tmp)
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trap 'rm -rf $tmpDir' EXIT
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## Instantiate
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time nix-instantiate "$@" --add-root "$tmpDir/drv" --indirect > /dev/null
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printf "instantiated "; realpath "$tmpDir/drv"
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outPath=$(nix-store --query "$tmpDir/drv")
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if nix path-info --store "https://${cachixCache}.cachix.org" "$outPath" &>/dev/null; then
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echo "$outPath has already been built successfully."
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exit 0
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fi
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## Build
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if [[ -v CIRRUS_CI ]]; then
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cachix use "$cachixCache"
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fi
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if [[ $CACHIX_SIGNING_KEY ]]; then
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# Speed up task by uploading store paths as soon as they are created
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buildCmd="cachix watch-exec $cachixCache nix-build --"
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else
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buildCmd=nix-build
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fi
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$buildCmd --out-link "$tmpDir/result" "$tmpDir/drv" >/dev/null
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if [[ $CACHIX_SIGNING_KEY ]]; then
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cachix push "$cachixCache" "$outPath"
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fi
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echo "$outPath"
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