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8945b3b5e3
`echo` pipes all its output at once, so `wc -l` always counts 1 line. See https://stackoverflow.com/questions/60954221
84 lines
2.5 KiB
Nix
84 lines
2.5 KiB
Nix
{
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perSystem =
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{ pkgs, config, ... }:
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{
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apps.generate-files.program = pkgs.writeShellApplication {
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name = "generate-files";
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runtimeInputs = [ pkgs.nixfmt-rfc-style ];
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text = ''
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repo_root=$(git rev-parse --show-toplevel)
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generated_dir=$repo_root/generated
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commit=
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while [ $# -gt 0 ]; do
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case "$1" in
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--commit) commit=1
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;;
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--*) echo "unknown option $1"
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;;
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*) echo "unexpected argument $1"
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;;
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esac
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shift
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done
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generate() {
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echo "$2"
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cp "$1" "$generated_dir/$2.nix"
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nixfmt "$generated_dir/$2.nix"
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}
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mkdir -p "$generated_dir"
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generate "${config.packages.rust-analyzer-options}" "rust-analyzer"
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generate "${config.packages.efmls-configs-sources}" "efmls-configs"
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generate "${config.packages.none-ls-builtins}" "none-ls"
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if [ -n "$commit" ]; then
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cd "$generated_dir"
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git add .
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# Construct a msg body from `git status -- .`
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body=$(
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git status \
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--short \
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--ignored=no \
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--untracked-files=no \
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--no-ahead-behind \
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-- . \
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| sed \
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-e 's/^\s*\([A-Z]\)\s*/\1 /' \
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-e 's/^A/Added/' \
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-e 's/^M/Updated/' \
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-e 's/^R/Renamed/' \
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-e 's/^D/Removed/' \
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-e 's/^/- /'
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)
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# Construct the commit message based on the body
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# NOTE: Can't use `wc -l` due to how `echo` pipes its output
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count=$(echo -n "$body" | awk 'END {print NR}')
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if [ "$count" -gt 1 ] || [ ''${#body} -gt 50 ]; then
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msg=$(echo -e "generated: Update\n\n$body")
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else
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msg="generated:''${body:1}"
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fi
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# Commit if there are changes
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if [ "$count" -gt 0 ]; then
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echo "Committing $count changes..."
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echo "$msg"
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git commit -m "$msg" --no-verify
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fi
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fi
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'';
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};
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packages = {
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rust-analyzer-options = pkgs.callPackage ./rust-analyzer.nix { };
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efmls-configs-sources = pkgs.callPackage ./efmls-configs.nix { };
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none-ls-builtins = pkgs.callPackage ./none-ls.nix { };
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};
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};
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}
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