From 8eca5bc695d950545271f2c436551a720a3db143 Mon Sep 17 00:00:00 2001
From: enyst <engel.nyst@gmail.com>
Date: Mon, 1 Jun 2026 15:21:08 +0000
Subject: [PATCH 1/4] Add issue duplicate checker workflow

Co-authored-by: openhands <openhands@all-hands.dev>
---
 .github/workflows/issue-duplicate-checker.yml | 93 +++++++++++++++++++
 .../remove-duplicate-candidate-label.yml      | 31 +++++++
 2 files changed, 124 insertions(+)
 create mode 100644 .github/workflows/issue-duplicate-checker.yml
 create mode 100644 .github/workflows/remove-duplicate-candidate-label.yml

diff --git a/.github/workflows/issue-duplicate-checker.yml b/.github/workflows/issue-duplicate-checker.yml
new file mode 100644
index 00000000..0c1e8d75
--- /dev/null
+++ b/.github/workflows/issue-duplicate-checker.yml
@@ -0,0 +1,93 @@
+---
+name: Issue Duplicate Check via OpenHands Cloud
+
+on:
+    issues:
+        types: [opened]
+    schedule:
+        - cron: 0 9 * * *
+    workflow_dispatch:
+        inputs:
+            mode:
+                description: Which workflow path to run
+                required: true
+                type: choice
+                options:
+                    - smoke-clone
+                    - issue-check
+                    - auto-close
+                default: smoke-clone
+            issue_number:
+                description: Existing issue number to analyze when mode is issue-check
+                required: false
+                type: number
+            close_after_days:
+                description: Days to wait before auto-closing duplicate candidates in auto-close mode
+                required: false
+                type: number
+                default: 3
+
+permissions:
+    contents: read
+    issues: write
+
+jobs:
+    smoke-clone:
+        if: github.event_name == 'workflow_dispatch' && inputs.mode == 'smoke-clone'
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout repository
+              uses: actions/checkout@v6
+
+            - name: Clone repository
+              env:
+                  REPOSITORY: ${{ github.repository }}
+              run: |
+                  git clone --depth 1 "https://github.com/${REPOSITORY}.git" /tmp/repo-clone
+                  echo "Repository HEAD: $(git -C /tmp/repo-clone rev-parse --short HEAD)"
+
+            - name: Summarize smoke test
+              run: |
+                  {
+                    echo "## Smoke clone completed"
+                    echo
+                    echo "- Repository cloned to /tmp/repo-clone"
+                  } >> "$GITHUB_STEP_SUMMARY"
+
+    issue-duplicate-check:
+        if: |
+            github.event_name == 'issues' ||
+            (github.event_name == 'workflow_dispatch' && inputs.mode == 'issue-check' && inputs.issue_number != null)
+        runs-on: ubuntu-latest
+        timeout-minutes: 35
+        concurrency:
+            group: issue-duplicate-check-${{ github.repository }}-${{ github.event.issue.number || inputs.issue_number }}
+            cancel-in-progress: false
+        steps:
+            - name: Run issue duplicate check
+              uses: OpenHands/extensions/plugins/issue-duplicate-checker@main
+              with:
+                  mode: issue-check
+                  repository: ${{ github.repository }}
+                  issue-number: ${{ github.event.issue.number || inputs.issue_number }}
+                  close-after-days: ${{ inputs.close_after_days || '3' }}
+                  openhands-api-key: ${{ secrets.OPENHANDS_API_KEY }}
+                  github-token: ${{ secrets.OPENHANDS_BOT_GITHUB_PAT_PUBLIC || github.token }}
+
+    auto-close-duplicates:
+        if: |
+            github.event_name == 'schedule' ||
+            (github.event_name == 'workflow_dispatch' && inputs.mode == 'auto-close')
+        runs-on: ubuntu-latest
+        timeout-minutes: 20
+        concurrency:
+            group: auto-close-duplicates-${{ github.repository }}
+            cancel-in-progress: false
+        steps:
+            - name: Auto-close aged duplicate candidates
+              uses: OpenHands/extensions/plugins/issue-duplicate-checker@main
+              with:
+                  mode: auto-close
+                  repository: ${{ github.repository }}
+                  close-after-days: ${{ inputs.close_after_days || '3' }}
+                  github-token: ${{ secrets.OPENHANDS_BOT_GITHUB_PAT_PUBLIC || github.token }}
diff --git a/.github/workflows/remove-duplicate-candidate-label.yml b/.github/workflows/remove-duplicate-candidate-label.yml
new file mode 100644
index 00000000..528db898
--- /dev/null
+++ b/.github/workflows/remove-duplicate-candidate-label.yml
@@ -0,0 +1,31 @@
+---
+name: Remove duplicate candidate label on activity
+
+on:
+    issue_comment:
+        types: [created]
+
+permissions:
+    issues: write
+
+concurrency:
+    group: remove-duplicate-${{ github.repository }}-${{ github.event.issue.number }}
+    cancel-in-progress: false
+
+jobs:
+    remove-duplicate-candidate:
+        if: |
+            github.event.issue.state == 'open' &&
+            github.event.issue.pull_request == null &&
+            contains(github.event.issue.labels.*.name, 'duplicate-candidate') &&
+            github.event.comment.user.type != 'Bot' &&
+            !startsWith(github.event.comment.body || '', '<!-- openhands-duplicate-check') &&
+            !startsWith(github.event.comment.body || '', '<!-- openhands-duplicate-veto')
+        runs-on: ubuntu-latest
+        steps:
+            - name: Remove duplicate-candidate label
+              uses: OpenHands/extensions/plugins/issue-duplicate-checker@main
+              with:
+                  mode: remove-label
+                  repository: ${{ github.repository }}
+                  github-token: ${{ secrets.OPENHANDS_BOT_GITHUB_PAT_PUBLIC || github.token }}

From c6ffa919af16214917c8c828a77272a93f63ed66 Mon Sep 17 00:00:00 2001
From: openhands <openhands@all-hands.dev>
Date: Tue, 2 Jun 2026 01:29:48 +0000
Subject: [PATCH 2/4] chore: pin duplicate checker action

Co-authored-by: openhands <openhands@all-hands.dev>
---
 .github/workflows/issue-duplicate-checker.yml          | 4 ++--
 .github/workflows/remove-duplicate-candidate-label.yml | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/issue-duplicate-checker.yml b/.github/workflows/issue-duplicate-checker.yml
index 0c1e8d75..198108b1 100644
--- a/.github/workflows/issue-duplicate-checker.yml
+++ b/.github/workflows/issue-duplicate-checker.yml
@@ -65,7 +65,7 @@ jobs:
             cancel-in-progress: false
         steps:
             - name: Run issue duplicate check
-              uses: OpenHands/extensions/plugins/issue-duplicate-checker@main
+              uses: OpenHands/extensions/plugins/issue-duplicate-checker@fb020c71eb8e7cd2678f0251ab24327d3738da7d
               with:
                   mode: issue-check
                   repository: ${{ github.repository }}
@@ -85,7 +85,7 @@ jobs:
             cancel-in-progress: false
         steps:
             - name: Auto-close aged duplicate candidates
-              uses: OpenHands/extensions/plugins/issue-duplicate-checker@main
+              uses: OpenHands/extensions/plugins/issue-duplicate-checker@fb020c71eb8e7cd2678f0251ab24327d3738da7d
               with:
                   mode: auto-close
                   repository: ${{ github.repository }}
diff --git a/.github/workflows/remove-duplicate-candidate-label.yml b/.github/workflows/remove-duplicate-candidate-label.yml
index 528db898..313ab356 100644
--- a/.github/workflows/remove-duplicate-candidate-label.yml
+++ b/.github/workflows/remove-duplicate-candidate-label.yml
@@ -24,7 +24,7 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - name: Remove duplicate-candidate label
-              uses: OpenHands/extensions/plugins/issue-duplicate-checker@main
+              uses: OpenHands/extensions/plugins/issue-duplicate-checker@fb020c71eb8e7cd2678f0251ab24327d3738da7d
               with:
                   mode: remove-label
                   repository: ${{ github.repository }}

From 6f6a94fa5ad7c851e21c1e1a0c136c36117036d4 Mon Sep 17 00:00:00 2001
From: openhands <openhands@all-hands.dev>
Date: Tue, 2 Jun 2026 01:32:31 +0000
Subject: [PATCH 3/4] fix: tighten duplicate checker workflow dispatch

Co-authored-by: openhands <openhands@all-hands.dev>
---
 .github/workflows/issue-duplicate-checker.yml | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/.github/workflows/issue-duplicate-checker.yml b/.github/workflows/issue-duplicate-checker.yml
index 198108b1..36c44ec6 100644
--- a/.github/workflows/issue-duplicate-checker.yml
+++ b/.github/workflows/issue-duplicate-checker.yml
@@ -36,9 +36,6 @@ jobs:
         if: github.event_name == 'workflow_dispatch' && inputs.mode == 'smoke-clone'
         runs-on: ubuntu-latest
         steps:
-            - name: Checkout repository
-              uses: actions/checkout@v6
-
             - name: Clone repository
               env:
                   REPOSITORY: ${{ github.repository }}
@@ -57,7 +54,7 @@ jobs:
     issue-duplicate-check:
         if: |
             github.event_name == 'issues' ||
-            (github.event_name == 'workflow_dispatch' && inputs.mode == 'issue-check' && inputs.issue_number != null)
+            (github.event_name == 'workflow_dispatch' && inputs.mode == 'issue-check' && inputs.issue_number != '')
         runs-on: ubuntu-latest
         timeout-minutes: 35
         concurrency:

From 93f9335a617945dcc2c73771ee273d3b76b1be35 Mon Sep 17 00:00:00 2001
From: openhands <openhands@all-hands.dev>
Date: Tue, 2 Jun 2026 01:52:40 +0000
Subject: [PATCH 4/4] chore: polish duplicate checker workflows

Co-authored-by: openhands <openhands@all-hands.dev>
---
 .github/workflows/issue-duplicate-checker.yml          | 4 +++-
 .github/workflows/remove-duplicate-candidate-label.yml | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/issue-duplicate-checker.yml b/.github/workflows/issue-duplicate-checker.yml
index 36c44ec6..6acc1551 100644
--- a/.github/workflows/issue-duplicate-checker.yml
+++ b/.github/workflows/issue-duplicate-checker.yml
@@ -35,13 +35,14 @@ jobs:
     smoke-clone:
         if: github.event_name == 'workflow_dispatch' && inputs.mode == 'smoke-clone'
         runs-on: ubuntu-latest
+        timeout-minutes: 5
         steps:
             - name: Clone repository
               env:
                   REPOSITORY: ${{ github.repository }}
               run: |
                   git clone --depth 1 "https://github.com/${REPOSITORY}.git" /tmp/repo-clone
-                  echo "Repository HEAD: $(git -C /tmp/repo-clone rev-parse --short HEAD)"
+                  echo "REPO_HEAD=$(git -C /tmp/repo-clone rev-parse --short HEAD)" >> "$GITHUB_ENV"
 
             - name: Summarize smoke test
               run: |
@@ -49,6 +50,7 @@ jobs:
                     echo "## Smoke clone completed"
                     echo
                     echo "- Repository cloned to /tmp/repo-clone"
+                    echo "- Repository HEAD: ${REPO_HEAD}"
                   } >> "$GITHUB_STEP_SUMMARY"
 
     issue-duplicate-check:
diff --git a/.github/workflows/remove-duplicate-candidate-label.yml b/.github/workflows/remove-duplicate-candidate-label.yml
index 313ab356..bb408414 100644
--- a/.github/workflows/remove-duplicate-candidate-label.yml
+++ b/.github/workflows/remove-duplicate-candidate-label.yml
@@ -22,10 +22,10 @@ jobs:
             !startsWith(github.event.comment.body || '', '<!-- openhands-duplicate-check') &&
             !startsWith(github.event.comment.body || '', '<!-- openhands-duplicate-veto')
         runs-on: ubuntu-latest
+        timeout-minutes: 10
         steps:
             - name: Remove duplicate-candidate label
               uses: OpenHands/extensions/plugins/issue-duplicate-checker@fb020c71eb8e7cd2678f0251ab24327d3738da7d
               with:
                   mode: remove-label
-                  repository: ${{ github.repository }}
                   github-token: ${{ secrets.OPENHANDS_BOT_GITHUB_PAT_PUBLIC || github.token }}