buck2: Use nushell for the updateScript
This commit is contained in:
Ross Smyth
@@ -1,14 +1,21 @@
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{
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"rust-project-aarch64-linux": "sha256-Pm5lEIu0hzI5BuA/LuTKjBP8S63jiz1oSB0g9tSETGU=",
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"buck2-aarch64-linux": "sha256-Gn/Q2P0Fs93SbOawhzv8Z9DgbrIUlQ+9E3PyCNsV1pk=",
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"buck2-aarch64-darwin": "sha256-XtGs7g64s76AYhpFDbqSuSlblRauxJM0PaAk1MNNgxA=",
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"buck2-x86_64-linux": "sha256-gVOho7p25okvAV8OqXppdtwOOEzqH7VWcJBT4l5CT2U=",
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"rust-project-x86_64-darwin": "sha256-ePawMIfltPRK3mJJxI1BvGs6b2vIcgWzW2XTJykUsdI=",
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"x86_64-linux": {
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"buck2": "sha256-gVOho7p25okvAV8OqXppdtwOOEzqH7VWcJBT4l5CT2U=",
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"rust-project": "sha256-HKctvCiXyGFzfHfB3Qj6qR2p46i5vaaZgPg2J827ou4="
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},
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"x86_64-darwin": {
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"buck2": "sha256-wHk/tJJbupMsrcmXXNVXurfLY2TOSssMnuTZ7LNjASY=",
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"rust-project": "sha256-ePawMIfltPRK3mJJxI1BvGs6b2vIcgWzW2XTJykUsdI="
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},
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"aarch64-linux": {
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"buck2": "sha256-Gn/Q2P0Fs93SbOawhzv8Z9DgbrIUlQ+9E3PyCNsV1pk=",
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"rust-project": "sha256-Pm5lEIu0hzI5BuA/LuTKjBP8S63jiz1oSB0g9tSETGU="
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},
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"aarch64-darwin": {
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"buck2": "sha256-XtGs7g64s76AYhpFDbqSuSlblRauxJM0PaAk1MNNgxA=",
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"rust-project": "sha256-CkyLLv41iJTKHVB0e355ZO2MV7NzQeiF1gtWEGF5oAY="
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},
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"version": "2025-08-15",
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"rust-project-x86_64-linux": "sha256-HKctvCiXyGFzfHfB3Qj6qR2p46i5vaaZgPg2J827ou4=",
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"buck2-x86_64-darwin": "sha256-wHk/tJJbupMsrcmXXNVXurfLY2TOSssMnuTZ7LNjASY=",
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"rust-project-aarch64-darwin": "sha256-CkyLLv41iJTKHVB0e355ZO2MV7NzQeiF1gtWEGF5oAY=",
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"prelude_fod": "sha256-cyuOMi8x8q9gd6p1obnYYDVPxyONZ+y41AFXvSbUjC0=",
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"_comment": "Generated by buck2 update.sh",
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"prelude_git": "892cb85f5fc3258c7e4f89a836821ec4b8c7ee44"
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"preludeGit": "892cb85f5fc3258c7e4f89a836821ec4b8c7ee44",
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"preludeFod": "sha256-cyuOMi8x8q9gd6p1obnYYDVPxyONZ+y41AFXvSbUjC0="
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}
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@@ -43,9 +43,10 @@ let
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# procued by GitHub Actions. this also includes the hash for a download of a
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# compatible buck2-prelude
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buildHashes = builtins.fromJSON (builtins.readFile ./hashes.json);
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archHashes = buildHashes.${stdenv.hostPlatform.system};
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# map our platform name to the rust toolchain suffix
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# NOTE (aseipp): must be synchronized with update.sh!
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# NOTE (aseipp): must be synchronized with update.nu!
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platform-suffix =
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{
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x86_64-darwin = "x86_64-apple-darwin";
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@@ -53,7 +54,7 @@ let
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x86_64-linux = "x86_64-unknown-linux-gnu";
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aarch64-linux = "aarch64-unknown-linux-gnu";
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}
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."${stdenv.hostPlatform.system}";
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.${stdenv.hostPlatform.system};
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in
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stdenv.mkDerivation (finalAttrs: {
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pname = "buck2";
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@@ -64,13 +65,13 @@ stdenv.mkDerivation (finalAttrs: {
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# zstd-compressed
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(fetchurl {
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url = "https://github.com/facebook/buck2/releases/download/${lib.removePrefix "unstable-" finalAttrs.version}/buck2-${platform-suffix}.zst";
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hash = buildHashes."buck2-${stdenv.hostPlatform.system}";
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hash = archHashes.buck2;
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})
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# rust-project, which is used to provide IDE integration Buck2 Rust projects,
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# is part of the official distribution
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(fetchurl {
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url = "https://github.com/facebook/buck2/releases/download/${lib.removePrefix "unstable-" finalAttrs.version}/rust-project-${platform-suffix}.zst";
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hash = buildHashes."rust-project-${stdenv.hostPlatform.system}";
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hash = archHashes.rust-project;
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})
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];
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@@ -124,11 +125,11 @@ stdenv.mkDerivation (finalAttrs: {
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# for downstream consumers to use when they need to automate any kind of
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# tooling
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prelude = fetchurl {
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url = "https://github.com/facebook/buck2-prelude/archive/${buildHashes.prelude-git}.tar.gz";
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hash = buildHashes.prelude-fod;
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url = "https://github.com/facebook/buck2-prelude/archive/${buildHashes.preludeGit}.tar.gz";
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hash = buildHashes.preludeFod;
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};
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updateScript = ./update.sh;
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updateScript = ./update.nu;
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};
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meta = {
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Executable
+49
@@ -0,0 +1,49 @@
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#!/usr/bin/env nix-shell
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#! nix-shell -I ./.
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#! nix-shell -i nu
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#! nix-shell -p nushell nix
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const ARCHES = [
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{ name: "x86_64-linux", target: "x86_64-unknown-linux-gnu" },
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{ name: "x86_64-darwin", target: "x86_64-apple-darwin" },
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{ name: "aarch64-linux", target: "aarch64-unknown-linux-gnu" },
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{ name: "aarch64-darwin", target: "aarch64-apple-darwin" },
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];
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const MANIFEST = "pkgs/by-name/bu/buck2/hashes.json"
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def main [] {
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let version = http get "https://api.github.com/repos/facebook/buck2/releases"
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| sort-by -r created_at
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| where prerelease == true and name != "latest"
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| first
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| get name
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let preludeHash = http get $"https://github.com/facebook/buck2/releases/download/($version)/prelude_hash" | decode | str trim
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let preludeFod = run-external "nix" "--extra-experimental-features" "nix-command" "store" "prefetch-file" "--json" $"https://github.com/facebook/buck2-prelude/archive/($preludeHash).tar.gz" | from json | get hash
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print $"Newest version: ($version)"
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print $"Newest prelude hash: ($preludeHash)"
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let hashes = $ARCHES | par-each {
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|arch|
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{
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$arch.name: {
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"buck2": (run-external "nix" "--extra-experimental-features" "nix-command" "store" "prefetch-file" "--json" $"https://github.com/facebook/buck2/releases/download/($version)/buck2-($arch.target).zst" | from json | get hash),
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"rust-project": (run-external "nix" "--extra-experimental-features" "nix-command" "store" "prefetch-file" "--json" $"https://github.com/facebook/buck2/releases/download/($version)/rust-project-($arch.target).zst" | from json | get hash),
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}
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}
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} | reduce { |val, accum| $accum | merge $val }
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let new_manifest = $hashes
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| insert "version" $version
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| insert "preludeGit" $preludeHash
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| insert "preludeFod" $preludeFod
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$new_manifest
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| to json
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| append "\n"
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| str join
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| save -f $MANIFEST
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}
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@@ -1,45 +0,0 @@
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#!/usr/bin/env nix-shell
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#! nix-shell -I nixpkgs=./.
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#! nix-shell -i bash
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#! nix-shell -p curl jq common-updater-scripts nix coreutils
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# shellcheck shell=bash
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set -euo pipefail
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VERSION=$(curl -s https://api.github.com/repos/facebook/buck2/releases \
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| jq -r 'sort_by(.created_at) | reverse |
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(map
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(select ((.prerelease == true) and (.name != "latest"))) |
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first
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) | .name')
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PRELUDE_HASH=$(curl -sLo - "https://github.com/facebook/buck2/releases/download/${VERSION}/prelude_hash")
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PRELUDE_DL_URL="https://github.com/facebook/buck2-prelude/archive/${PRELUDE_HASH}.tar.gz"
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echo "Latest buck2 prerelease: $VERSION"
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echo "Compatible buck2-prelude hash: $PRELUDE_HASH"
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ARCHS=(
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"x86_64-linux:x86_64-unknown-linux-gnu"
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"x86_64-darwin:x86_64-apple-darwin"
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"aarch64-linux:aarch64-unknown-linux-gnu"
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"aarch64-darwin:aarch64-apple-darwin"
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)
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NFILE=pkgs/by-name/bu/buck2/package.nix
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HFILE=pkgs/by-name/bu/buck2/hashes.json
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declare -A outputJson=()
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outputJson["version"]="$VERSION"
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outputJson["prelude_git"]="$PRELUDE_HASH"
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outputJson["prelude_fod"]="$(nix --extra-experimental-features nix-command store prefetch-file --json "$PRELUDE_DL_URL" | jq -r .hash)"
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for arch in "${ARCHS[@]}"; do
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IFS=: read -r arch_name arch_target <<< "$arch"
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outputJson["buck2-$arch_name"]="$(nix --extra-experimental-features nix-command store prefetch-file --json "https://github.com/facebook/buck2/releases/download/${VERSION}/buck2-${arch_target}.zst" | jq -r .hash)"
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outputJson["rust-project-$arch_name"]="$(nix --extra-experimental-features nix-command store prefetch-file --json "https://github.com/facebook/buck2/releases/download/${VERSION}/rust-project-${arch_target}.zst" | jq -r .hash)"
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done
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outputJson["_comment"]="Generated by buck2 update.sh"
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jq -n 'def _nwise($n): def nw: if length <= $n then . else .[0:$n] , (.[$n:] | nw) end; nw; [$ARGS.positional | _nwise(2) | {(.[0]): .[1]}] | add' --args "${outputJson[@]@k}" > "$HFILE"
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echo "Done; wrote $HFILE and updated version in $NFILE."
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