multi: add issue dedupe command and workflow

- add /dedupe command definition for Claude Code - add workflow to run dedupe on issue opened - add comment helper script for posting duplicates
2026-02-11 13:06:42 +02:00
1 parent 14b90a27cf
commit 7baead7183
@@ -0,0 +1,98 @@
+#!/usr/bin/env bash
+#
+# Comments on a GitHub issue with a list of potential duplicates.
+# Usage: ./comment-on-duplicates.sh --base-issue 123 --potential-duplicates 456 789 101
+#
+
+set -euo pipefail
+
+REPO="${GITHUB_REPOSITORY:-lightningnetwork/lnd}"
+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 "Unknown option: $1" >&2
+      exit 1
+      ;;
+  esac
+done
+
+# Validate base issue
+if [[ -z "$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
+
+# Validate duplicates
+if [[ ${#DUPLICATES[@]} -eq 0 ]]; then
+  echo "Error: --potential-duplicates requires at least one issue number" >&2
+  exit 1
+fi
+
+if [[ ${#DUPLICATES[@]} -gt 3 ]]; then
+  echo "Error: --potential-duplicates accepts at most 3 issues" >&2
+  exit 1
+fi
+
+for dup in "${DUPLICATES[@]}"; do
+  if ! [[ "$dup" =~ ^[0-9]+$ ]]; then
+    echo "Error: duplicate issue must be a number, got: $dup" >&2
+    exit 1
+  fi
+done
+
+# Validate that base issue exists
+if ! gh issue view "$BASE_ISSUE" --repo "$REPO" &>/dev/null; then
+  echo "Error: issue #$BASE_ISSUE does not exist in $REPO" >&2
+  exit 1
+fi
+
+# Validate that all duplicate issues exist
+for dup in "${DUPLICATES[@]}"; do
+  if ! gh issue view "$dup" --repo "$REPO" &>/dev/null; then
+    echo "Error: issue #$dup does not exist in $REPO" >&2
+    exit 1
+  fi
+done
+
+# Build comment body
+COUNT=${#DUPLICATES[@]}
+if [[ $COUNT -eq 1 ]]; then
+  HEADER="Found 1 possible duplicate issue:"
+else
+  HEADER="Found $COUNT possible duplicate issues:"
+fi
+
+BODY="$HEADER"$'\n\n'
+INDEX=1
+for dup in "${DUPLICATES[@]}"; do
+  BODY+="$INDEX. https://github.com/$REPO/issues/$dup"$'\n'
+  ((INDEX++))
+done
+
+BODY+=$'\n'"If this issue is a duplicate, please close it and 👍 the existing issue instead."$'\n\n'
+BODY+="🤖 Generated with [Claude Code](https://claude.ai/code)"
+
+# Post the comment
+gh issue comment "$BASE_ISSUE" --repo "$REPO" --body "$BODY"
+
+echo "Posted duplicate comment on issue #$BASE_ISSUE"