Add project standards files and scripts for consistency

scripts/reconcile-project-standards.sh

@@ -0,0 +1,274 @@
+#!/usr/bin/env sh
+set -eu
+
+ROOT_PATH="${GO_GIT_ROOT:-$HOME/git}"
+STANDARDS_REPO=""
+STANDARDS_REPO_SET=0
+EXCLUDE_NAME="project-standards"
+CHECK_ONLY=0
+WATCH=0
+INTERVAL=60
+
+usage() {
+  cat <<'EOF'
+Usage:
+  reconcile-project-standards.sh [options]
+
+Options:
+  --root <path>           Root folder containing repositories
+  --standards-repo <path> Path to project-standards repository
+  --exclude <name>        First-level directory name to skip (default: project-standards)
+  --check-only            Check drift only, do not update files
+  --watch                 Continuously scan and reconcile
+  --interval <seconds>    Watch interval in seconds (default: 60)
+  -h, --help              Show this help
+
+Environment:
+  GO_GIT_ROOT             Overrides default root path (default: ~/git)
+  GO_PROJECT_STANDARDS    Overrides standards repository path
+
+Default resolution:
+  ROOT_PATH defaults to GO_GIT_ROOT or ~/git.
+  STANDARDS_REPO defaults to GO_PROJECT_STANDARDS or $ROOT_PATH/project-standards.
+EOF
+}
+
+while [ "$#" -gt 0 ]; do
+  case "$1" in
+    --root)
+      ROOT_PATH=$2
+      shift 2
+      ;;
+    --standards-repo)
+      STANDARDS_REPO=$2
+      STANDARDS_REPO_SET=1
+      shift 2
+      ;;
+    --exclude)
+      EXCLUDE_NAME=$2
+      shift 2
+      ;;
+    --check-only)
+      CHECK_ONLY=1
+      shift
+      ;;
+    --watch)
+      WATCH=1
+      shift
+      ;;
+    --interval)
+      INTERVAL=$2
+      shift 2
+      ;;
+    -h|--help)
+      usage
+      exit 0
+      ;;
+    *)
+      echo "Unknown option: $1" >&2
+      usage >&2
+      exit 1
+      ;;
+  esac
+done
+
+if [ "$STANDARDS_REPO_SET" -ne 1 ]; then
+  if [ -n "${GO_PROJECT_STANDARDS:-}" ]; then
+    STANDARDS_REPO="$GO_PROJECT_STANDARDS"
+  else
+    STANDARDS_REPO="$ROOT_PATH/project-standards"
+  fi
+fi
+
+if [ "$INTERVAL" -lt 5 ]; then
+  echo "interval must be >= 5" >&2
+  exit 1
+fi
+
+AGENTS_TEMPLATE="$STANDARDS_REPO/templates/AGENTS.base.md"
+DOD_TEMPLATE="$STANDARDS_REPO/templates/DEFINITION_OF_DONE.base.md"
+GITIGNORE_TEMPLATE="$STANDARDS_REPO/templates/.gitignore.base"
+GITATTRIBUTES_TEMPLATE="$STANDARDS_REPO/templates/.gitattributes.base"
+EDITORCONFIG_TEMPLATE="$STANDARDS_REPO/templates/.editorconfig.base"
+PRECOMMIT_TEMPLATE="$STANDARDS_REPO/templates/pre-commit.base.sh"
+HOOKS_README_TEMPLATE="$STANDARDS_REPO/templates/.githooks.README.base.md"
+
+if [ ! -f "$AGENTS_TEMPLATE" ]; then
+  echo "AGENTS template not found: $AGENTS_TEMPLATE" >&2
+  exit 1
+fi
+
+if [ ! -f "$DOD_TEMPLATE" ]; then
+  echo "DoD template not found: $DOD_TEMPLATE" >&2
+  exit 1
+fi
+
+if [ ! -f "$GITIGNORE_TEMPLATE" ]; then
+  echo "gitignore template not found: $GITIGNORE_TEMPLATE" >&2
+  exit 1
+fi
+
+if [ ! -f "$GITATTRIBUTES_TEMPLATE" ]; then
+  echo "gitattributes template not found: $GITATTRIBUTES_TEMPLATE" >&2
+  exit 1
+fi
+
+if [ ! -f "$EDITORCONFIG_TEMPLATE" ]; then
+  echo "editorconfig template not found: $EDITORCONFIG_TEMPLATE" >&2
+  exit 1
+fi
+
+if [ ! -f "$PRECOMMIT_TEMPLATE" ]; then
+  echo "pre-commit hook template not found: $PRECOMMIT_TEMPLATE" >&2
+  exit 1
+fi
+
+if [ ! -f "$HOOKS_README_TEMPLATE" ]; then
+  echo "hooks readme template not found: $HOOKS_README_TEMPLATE" >&2
+  exit 1
+fi
+
+hash_or_missing() {
+  path=$1
+  if [ ! -f "$path" ]; then
+    printf "%s" "__MISSING__"
+    return 0
+  fi
+
+  if command -v sha256sum >/dev/null 2>&1; then
+    sha256sum "$path" | awk '{print $1}'
+  else
+    shasum -a 256 "$path" | awk '{print $1}'
+  fi
+}
+
+ensure_file() {
+  template=$1
+  target=$2
+
+  template_hash=$(hash_or_missing "$template")
+  target_hash=$(hash_or_missing "$target")
+
+  if [ "$template_hash" = "$target_hash" ]; then
+    printf "%s" "ok"
+    return 0
+  fi
+
+  if [ "$CHECK_ONLY" -eq 1 ]; then
+    printf "%s" "drift"
+    return 0
+  fi
+
+  mkdir -p "$(dirname "$target")"
+  cp "$template" "$target"
+  printf "%s" "updated"
+}
+
+ensure_gitignore_entries_from_template() {
+  template_path=$1
+  gitignore_path=$2
+
+  missing=0
+
+  if [ ! -f "$gitignore_path" ]; then
+    if [ "$CHECK_ONLY" -eq 1 ]; then
+      printf "%s" "drift"
+      return 0
+    fi
+
+    : > "$gitignore_path"
+  fi
+
+  while IFS= read -r entry; do
+    entry=$(printf '%s' "$entry" | tr -d '\r')
+    [ -n "$entry" ] || continue
+    case "$entry" in
+      \#*)
+        continue
+        ;;
+    esac
+
+    if tr -d '\r' < "$gitignore_path" | grep -Fqx "$entry"; then
+      continue
+    fi
+
+    missing=1
+    if [ "$CHECK_ONLY" -ne 1 ]; then
+      printf '%s\n' "$entry" >> "$gitignore_path"
+    fi
+  done < "$template_path"
+
+  if [ "$missing" -eq 0 ]; then
+    printf "%s" "ok"
+    return 0
+  fi
+
+  if [ "$CHECK_ONLY" -eq 1 ]; then
+    printf "%s" "drift"
+  else
+    printf "%s" "updated"
+  fi
+}
+
+run_once() {
+  scanned=0
+  updated=0
+  drift=0
+
+  for repo in "$ROOT_PATH"/*; do
+    [ -d "$repo" ] || continue
+
+    name=$(basename "$repo")
+    [ "$name" = "$EXCLUDE_NAME" ] && continue
+
+    scanned=$((scanned + 1))
+
+    agents_target="$repo/AGENTS.md"
+    dod_target="$repo/docs/DEFINITION_OF_DONE.md"
+    gitattributes_target="$repo/.gitattributes"
+    editorconfig_target="$repo/.editorconfig"
+    precommit_target="$repo/.githooks/pre-commit"
+    hooks_readme_target="$repo/.githooks/README.md"
+    gitignore_target="$repo/.gitignore"
+
+    agents_state=$(ensure_file "$AGENTS_TEMPLATE" "$agents_target")
+    dod_state=$(ensure_file "$DOD_TEMPLATE" "$dod_target")
+    gitattributes_state=$(ensure_file "$GITATTRIBUTES_TEMPLATE" "$gitattributes_target")
+    editorconfig_state=$(ensure_file "$EDITORCONFIG_TEMPLATE" "$editorconfig_target")
+    precommit_state=$(ensure_file "$PRECOMMIT_TEMPLATE" "$precommit_target")
+    hooks_readme_state=$(ensure_file "$HOOKS_README_TEMPLATE" "$hooks_readme_target")
+    gitignore_state=$(ensure_gitignore_entries_from_template "$GITIGNORE_TEMPLATE" "$gitignore_target")
+
+    if [ "$agents_state" = "updated" ] || [ "$dod_state" = "updated" ] || [ "$gitattributes_state" = "updated" ] || [ "$editorconfig_state" = "updated" ] || [ "$precommit_state" = "updated" ] || [ "$hooks_readme_state" = "updated" ] || [ "$gitignore_state" = "updated" ]; then
+      updated=$((updated + 1))
+      echo "UPDATED: $repo"
+      continue
+    fi
+
+    if [ "$agents_state" = "drift" ] || [ "$dod_state" = "drift" ] || [ "$gitattributes_state" = "drift" ] || [ "$editorconfig_state" = "drift" ] || [ "$precommit_state" = "drift" ] || [ "$hooks_readme_state" = "drift" ] || [ "$gitignore_state" = "drift" ]; then
+      drift=$((drift + 1))
+      echo "DRIFT:   $repo"
+      continue
+    fi
+
+    echo "OK:      $repo"
+  done
+
+  echo "Summary -> scanned=$scanned, updated=$updated, drift=$drift"
+
+  if [ "$CHECK_ONLY" -eq 1 ] && [ "$drift" -gt 0 ]; then
+    return 1
+  fi
+
+  return 0
+}
+
+if [ "$WATCH" -eq 1 ]; then
+  while :; do
+    echo "[$(date '+%Y-%m-%d %H:%M:%S')] Reconciling project standards..."
+    run_once || true
+    sleep "$INTERVAL"
+  done
+else
+  run_once
+fi