tjh.dev
nixpkgs mirror (for testing)
github.com/NixOS/nixpkgs
nix
1#!/usr/bin/env nix-shell
2#! nix-shell -i oil -p jq sd nix-prefetch-github ripgrep
3
4# TODO set to `verbose` or `extdebug` once implemented in oil
5shopt --set xtrace
6
7var directory = $(dirname $0 | xargs realpath)
8var owner = "elixir-lsp"
9var repo = "elixir-ls"
10var latest_rev = $(curl -q https://api.github.com/repos/${owner}/${repo}/releases/latest | \
11 jq -r '.tag_name')
12var latest_version = $(echo $latest_rev | sd 'v' '')
13var current_version = $(nix-instantiate -A elixir_ls.version --eval --json | jq -r)
14if ("$latest_version" == "$current_version") {
15 echo "elixir-ls is already up-to-date"
16 return 0
17} else {
18 var tarball_meta = $(nix-prefetch-github $owner $repo --rev "$latest_rev")
19 var tarball_hash = "sha256-$(echo $tarball_meta | jq -r '.sha256')"
20 var sha256s = $(rg '"sha256-.+"' $directory/default.nix | sd '.+"(.+)";' '$1' )
21 echo $sha256s | read --line :github_sha256
22 echo $sha256s | tail -n 1 | read --line :old_mix_sha256
23 sd 'version = ".+"' "version = \"$latest_version\"" "$directory/default.nix"
24 sd "sha256 = \"$github_sha256\"" "sha256 = \"$tarball_hash\"" "$directory/default.nix"
25 sd "sha256 = \"$old_mix_sha256\"" "sha256 = \"\"" "$directory/default.nix"
26
27 var new_mix_hash = $(nix-build -A elixir_ls.mixFodDeps 2>&1 | \
28 tail -n 1 | \
29 sd '\s+got:\s+' '')
30
31 sd "sha256 = \"\"" "sha256 = \"$new_mix_hash\"" "$directory/default.nix"
32}