chore: improve pre-commit hook (add extra checks)

.bin/pre-commit/check-all.sh

@@ -0,0 +1,53 @@
+#!/bin/sh
+
+# Check definition. Multiline string, every line is for one check.
+# Format of line is:
+# `Check title ./path/relative/to/this/script/check-script.sh`.
+# The last space separates title from script path.
+check_list="
+BIOME LINT CHECK ./check-lint.sh
+BIOME FORMAT CHECK ./check-format.sh
+MAKEFILE FILE LISTING CHECK ./check-makefile-file-listing.sh
+"
+
+extract_title() {
+  echo "$1" | awk '{$NF=""; print $0}'
+}
+
+extract_command() {
+  realpath "$(dirname "$0")"/"$(echo "$1" | awk '{print $NF}')"
+}
+
+err_report=""
+while IFS= read -r line; do
+  [ -n "$line" ] || continue
+
+  check=$(extract_command "$line")
+
+  if ! output=$("$check" 2>&1); then
+    err_report="${err_report}$(extract_title "$line") ($check)\n$output\n\n"
+  fi
+done << EOF
+$check_list
+EOF
+
+if [ -z "$err_report" ]; then
+  exit 0
+fi
+
+echo "Warning: some check failed"
+printf "%b" "$err_report"
+
+printf "Checks failed. Continue with commit? (c)Continue (a)Abort: " > /dev/tty
+IFS= read -r resolution < /dev/tty
+
+case "$resolution" in
+  c | C) exit 0 ;;
+  a | A)
+    echo "Commit aborted."
+    exit 1
+    ;;
+esac
+
+echo "Unknown resolution '$resolution', aborting commit..."
+exit 1

.bin/pre-commit/check-format.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+root_dir="$(realpath "$(dirname "$0")"/../../)"
+
+npx @biomejs/biome format "$root_dir"

.bin/pre-commit/check-lint.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+root_dir="$(realpath "$(dirname "$0")"/../../)"
+
+npx @biomejs/biome lint --error-on-warnings "$root_dir"

.bin/pre-commit/check-makefile-file-listing.sh

@@ -0,0 +1,44 @@
+#!/bin/sh
+
+makefile_list="\
+Makefile.am
+packages/app/Makefile.am
+packages/test/Makefile.am
+"
+
+get_mentioned_files() {
+  for makefile in $1; do
+    [ -n "$makefile" ] || continue
+    "$(dirname "$0")"/extract-extra-dist.sh "$makefile"
+  done
+}
+
+get_unlisted_files() {
+  makefiles=$1
+  added_files=$2
+
+  mentioned_files=$(get_mentioned_files "$makefiles")
+
+  for file in $added_files; do
+    if ! echo "$mentioned_files" |
+      grep --quiet --fixed-strings --line-regexp "$file" 2> /dev/null; then
+      echo "$file"
+    fi
+  done
+}
+
+git_added="$(git diff --cached --name-only --diff-filter=A)"
+
+if [ -z "$git_added" ]; then
+  exit 0
+fi
+
+unlisted_files="$(get_unlisted_files "$makefile_list" "$git_added")"
+
+if [ -z "$unlisted_files" ]; then
+  exit 0
+fi
+
+echo "Warning: The following files are not listed in any Makefile.am:"
+echo "$unlisted_files"
+exit 1

.bin/pre-commit/extract-extra-dist.sh

@@ -0,0 +1,30 @@
+#!/bin/sh
+
+makefile="$1"
+inside_extra_dist=0
+files=""
+
+while IFS= read -r line; do
+  case "$line" in
+    *EXTRA_DIST[[:space:]]*=*)
+      inside_extra_dist=1
+      files="${line#*=}"
+      files="${files%\\}"
+      ;;
+    *\\)
+      [ $inside_extra_dist -eq 1 ] && files="$files ${line%\\}"
+      ;;
+    *) # the last line in EXTRA_DIST
+      [ $inside_extra_dist -eq 1 ] && files="$files $line" && break
+      ;;
+  esac
+done < "$makefile"
+
+# no globing
+set -f
+# split to arguments
+# shellcheck disable=2086
+set -- $files
+for file in "$@"; do
+  printf "%s\n" "${makefile%Makefile.am}$file"
+done

.bin/pre-commit/pre-commit.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+./.bin/pre-commit/remove-nexus.sh
+./.bin/pre-commit/check-all.sh

Makefile.am

@@ -26,6 +26,12 @@ EXTRA_DIST		= \
 			  .bin/init_nexus.sh \
 			  .bin/init.sh \
 			  .bin/npm_install.sh \
+			  .bin/pre-commit/extract-extra-dist.sh \
+			  .bin/pre-commit/check-all.sh \
+			  .bin/pre-commit/check-format.sh \
+			  .bin/pre-commit/check-lint.sh \
+			  .bin/pre-commit/check-makefile-file-listing.sh \
+			  .bin/pre-commit/remove-nexus.sh \
 			  .bin/pre-commit.sh \
 			  .bin/render-spec.sh \
 			  .browserslistrc \