mirror of
https://github.com/nix-community/nixvim.git
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76d059bac2
Avoid polluting the repo with temporary `channels.{nix,json,toml}`
files. Write them to a temporary working directory instead.
(cherry picked from commit bc997a2409)
50 lines
1.1 KiB
Nix
50 lines
1.1 KiB
Nix
{
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lib,
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path,
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callPackage,
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writeShellApplication,
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stdenv,
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}:
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let
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mainInfo = callPackage ./main.nix { };
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channelsURL = "https://raw.githubusercontent.com/NixOS/infra/refs/heads/main/channels.nix";
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in
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writeShellApplication {
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name = "version-info";
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runtimeEnv = {
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NIX_CONFIG = ''
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experimental-features = nix-command flakes pipe-operators
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'';
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NIX_PATH = "nixpkgs=${toString path}";
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};
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text = ''
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work=$(mktemp -d)
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(
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cd "$work"
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# Download channel info from NixOS/infra
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curl ${channelsURL} | nix eval --file - --json > channels.json
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# Use channels.nix to build channels.toml
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nix build --impure \
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--file ${./supported-versions.nix} \
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--argstr system ${stdenv.hostPlatform.system} \
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--arg-from-file channelsJSON channels.json \
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--out-link channels.toml
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)
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{
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echo "# DO NOT MODIFY!"
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echo "# This file was generated by ${
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lib.strings.removePrefix (toString ../.. + "/") (toString ./default.nix)
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}"
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cat ${mainInfo}
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echo
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cat "$work/channels.toml"
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} > version-info.toml
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rm -rf "$work"
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'';
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}
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