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dotfiles/programs/nvim/update-plugins.sh

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#!/usr/bin/env nix-shell
#!nix-shell update-shell.nix -i bash
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set -eEuo pipefail
current_command='none'
trap 'last_command=$current_command; current_command=$BASH_COMMAND' DEBUG
trap 'code=$?; if [ "$code" -ne "0" ]; then echo "\"${last_command}\" command ended with exit code $code."; fi' EXIT
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script_dir="$(dirname "$(realpath "$0")")"
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plugins="${script_dir}/plugins.yaml"
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nix_new_file="${script_dir}/plugins_new.nix"
nix_file="${script_dir}/plugins.nix"
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plugins_json="$(dasel -r yaml -w json . <"$plugins")"
readarray -t plugin_array <<<"$(echo "$plugins_json" | jq -c '.[]')"
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rm -f "$nix_new_file"
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echo '# This file has been auto-generated' >"$nix_new_file"
echo '{ pkgs, ... }:' >>"$nix_new_file"
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echo "{" >>"$nix_new_file"
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for plugin in "${plugin_array[@]}"; do
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raw_src="$(echo "$plugin" | dasel -r json --plain '.src')"
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owner="$(echo "$raw_src" | awk -F'/' '{ print $(NF-1) }')"
repo="$(echo "$raw_src" | awk -F'/' '{ print $(NF) }')"
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echo "Updating ${owner}/${repo} ..."
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if [[ "$raw_src" = http* ]]; then
clone_src="$raw_src"
else
clone_src="https://github.com/${owner}/${repo}.git"
fi
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branch="$(echo "$plugin" | jq -r '.branch // empty')"
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name="$(echo "$repo" | tr [.] '-')"
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fetch_submodules="$(echo "$plugin" | jq -r '.fetchSubmodules // empty')"
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nix_prefetch_flags="--quiet"
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if [ "$fetch_submodules" == "true" ]; then
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nix_prefetch_flags+=" --fetch-submodules"
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fi
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if [ -n "$branch" ]; then
nix_prefetch_flags+=" --rev $branch"
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fi
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src_json="$(nix-prefetch-git $nix_prefetch_flags "$clone_src")"
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src="{
owner = \"${owner}\";
repo = \"${repo}\";
rev = \"$(echo "$src_json" | dasel -r json --plain '.rev')\";
sha256 = \"$(echo "$src_json" | dasel -r json --plain '.sha256')\";
fetchSubmodules = $(echo "$src_json" | dasel -r json --plain '.fetchSubmodules');
}"
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commit_date="$(echo "$src_json" | dasel -r json --plain '.date')"
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version="$(date -d "$commit_date" "+%Y-%m-%d")"
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case "$clone_src" in
https://github.com*)
fetcher="pkgs.fetchFromGitHub"
;;
https://git.sr.ht*)
fetcher="pkgs.fetchFromSourcehut"
;;
*)
echo "Unsupported URL: $clone_src"
exit 1
;;
esac
{
echo "${name} = pkgs.vimUtils.buildVimPluginFrom2Nix {"
echo "pname = \"${repo}\";"
echo "version = \"${version}\";"
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echo "src = ${fetcher} ${src};"
} >>"$nix_new_file"
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build_inputs="$(echo "$plugin" | jq -r '.nativeBuildInputs // empty' | jq -r @sh)"
if [ -n "$build_inputs" ]; then
{
echo -n "nativeBuildInputs = with pkgs; ["
echo -n "$build_inputs" | tr -d "'"
echo '];'
} >>"$nix_new_file"
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fi
build_phase="$(echo "$plugin" | jq -r '.buildPhase // empty')"
if [ -n "$build_phase" ]; then
printf "buildPhase = ''\n%s\n'';\n" "$build_phase" >>"$nix_new_file"
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fi
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echo '};' >>"$nix_new_file"
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done
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echo "}" >>"$nix_new_file"
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nixpkgs-fmt "$nix_new_file"
if test -f "$nix_file"; then
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set +eo pipefail
difft "$nix_file" "$nix_new_file"
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set -eo pipefail
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mv "$nix_new_file" "$nix_file"
else
mv "$nix_new_file" "$nix_file"
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set +eo pipefail
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bat --paging=never "$nix_file"
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set -eo pipefail
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fi