Simplify root directory

.github/scripts/comment-on-duplicates.sh

@@ -0,0 +1,88 @@
+#!/usr/bin/env bash
+#
+# comment-on-duplicates.sh - Posts a duplicate issue comment with auto-close warning.
+#
+# Usage:
+#   ./.github/scripts/comment-on-duplicates.sh --base-issue 123 --potential-duplicates 456 789
+#
+set -euo pipefail
+
+REPO="${GITHUB_REPOSITORY:-}"
+if [ -z "$REPO" ]; then
+  echo "Error: GITHUB_REPOSITORY is not set" >&2
+  exit 1
+fi
+
+BASE_ISSUE=""
+DUPLICATES=()
+
+# Parse arguments
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    --base-issue)
+      BASE_ISSUE="$2"
+      shift 2
+      ;;
+    --potential-duplicates)
+      shift
+      while [[ $# -gt 0 && ! "$1" =~ ^-- ]]; do
+        DUPLICATES+=("$1")
+        shift
+      done
+      ;;
+    *)
+      echo "Error: Unknown argument: $1" >&2
+      exit 1
+      ;;
+  esac
+done
+
+# Validate inputs
+if [ -z "$BASE_ISSUE" ]; then
+  echo "Error: --base-issue is required" >&2
+  exit 1
+fi
+
+if ! [[ "$BASE_ISSUE" =~ ^[0-9]+$ ]]; then
+  echo "Error: --base-issue must be a number, got: $BASE_ISSUE" >&2
+  exit 1
+fi
+
+if [ ${#DUPLICATES[@]} -eq 0 ]; then
+  echo "Error: --potential-duplicates requires at least one issue number" >&2
+  exit 1
+fi
+
+for dup in "${DUPLICATES[@]}"; do
+  if ! [[ "$dup" =~ ^[0-9]+$ ]]; then
+    echo "Error: duplicate issue must be a number, got: $dup" >&2
+    exit 1
+  fi
+done
+
+# Limit to 3 duplicates max
+if [ ${#DUPLICATES[@]} -gt 3 ]; then
+  echo "Warning: Limiting to first 3 duplicates" >&2
+  DUPLICATES=("${DUPLICATES[@]:0:3}")
+fi
+
+# Build the duplicate links list
+COUNT=0
+LINKS=""
+for dup in "${DUPLICATES[@]}"; do
+  COUNT=$((COUNT + 1))
+  LINKS="${LINKS}${COUNT}. https://github.com/${REPO}/issues/${dup}
+"
+done
+
+# Build and post the comment — if the issue is closed or doesn't exist, gh will error out
+COMMENT="Found ${COUNT} possible duplicate issue(s):
+
+${LINKS}
+This issue will be automatically closed as a duplicate in 3 days.
+- To prevent auto-closure, add a comment or react with :thumbsdown: on this comment."
+
+gh issue comment "$BASE_ISSUE" --repo "$REPO" --body "$COMMENT"
+gh issue edit "$BASE_ISSUE" --repo "$REPO" --add-label "duplicate"
+
+echo "Posted duplicate comment on issue #$BASE_ISSUE with $COUNT potential duplicate(s)"