From 73800831aafb0d8bc1bfae98ee9023e0b61de811 Mon Sep 17 00:00:00 2001
From: apiooo <27990398+apiooo@users.noreply.github.com>
Date: Sat, 23 Aug 2025 16:43:48 +0800
Subject: [PATCH 1/7] ci: Add workflow to sync with upstream repository

---
 .github/workflows/sync-upstream.yml | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 .github/workflows/sync-upstream.yml

diff --git a/.github/workflows/sync-upstream.yml b/.github/workflows/sync-upstream.yml
new file mode 100644
index 0000000000..d147537f5a
--- /dev/null
+++ b/.github/workflows/sync-upstream.yml
@@ -0,0 +1,18 @@
+name: Sync Upstream to mainup
+
+on:
+  schedule:
+    - cron: '0 3 * * *' # Run daily at 3 AM
+  workflow_dispatch:
+
+jobs:
+  sync:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Sync upstream branch
+        run: |
+          git remote add upstream https://github.com/NobyDa/Script.git
+          git fetch upstream
+          git push origin --force upstream/main:refs/heads/mainup
\ No newline at end of file

From c8873064accca10ae5f6367b0d02ef30aa1823db Mon Sep 17 00:00:00 2001
From: apiooo <27990398+apiooo@users.noreply.github.com>
Date: Sat, 23 Aug 2025 16:50:10 +0800
Subject: [PATCH 2/7] fix: Update sync workflow to auto-detect default branch

---
 .github/workflows/sync-upstream.yml | 52 +++++++++++++++++++----------
 1 file changed, 34 insertions(+), 18 deletions(-)

diff --git a/.github/workflows/sync-upstream.yml b/.github/workflows/sync-upstream.yml
index d147537f5a..3cc56b223e 100644
--- a/.github/workflows/sync-upstream.yml
+++ b/.github/workflows/sync-upstream.yml
@@ -1,18 +1,34 @@
-name: Sync Upstream to mainup
-
-on:
-  schedule:
-    - cron: '0 3 * * *' # Run daily at 3 AM
-  workflow_dispatch:
-
-jobs:
-  sync:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Sync upstream branch
-        run: |
-          git remote add upstream https://github.com/NobyDa/Script.git
-          git fetch upstream
-          git push origin --force upstream/main:refs/heads/mainup
\ No newline at end of file
+name: Sync Upstream to mainup
+
+on:
+  schedule:
+    - cron: '0 3 * * *' # Run daily at 3 AM
+  workflow_dispatch:
+
+jobs:
+  sync:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Sync upstream branch
+        run: |
+          git remote add upstream https://github.com/NobyDa/Script.git
+          git fetch upstream
+          
+          # Detect the default branch of upstream
+          DEFAULT_BRANCH=$(git symbolic-ref refs/remotes/upstream/HEAD | sed 's@^refs/remotes/upstream/@@')
+          if [ -z "$DEFAULT_BRANCH" ]; then
+            # Fallback: try common branch names
+            if git show-ref --verify --quiet refs/remotes/upstream/main; then
+              DEFAULT_BRANCH="main"
+            elif git show-ref --verify --quiet refs/remotes/upstream/master; then
+              DEFAULT_BRANCH="master"
+            else
+              echo "Could not determine default branch"
+              exit 1
+            fi
+          fi
+          
+          echo "Default branch detected: $DEFAULT_BRANCH"
+          git push origin --force upstream/$DEFAULT_BRANCH:refs/heads/mainup
\ No newline at end of file

From 4b55933955107780e666b937492b8fa587bbb761 Mon Sep 17 00:00:00 2001
From: apiooo <27990398+apiooo@users.noreply.github.com>
Date: Sat, 23 Aug 2025 19:50:27 +0800
Subject: [PATCH 3/7] cleanup: Remove old sync workflow for upgrade

---
 .github/workflows/sync-upstream.yml | 34 -----------------------------
 1 file changed, 34 deletions(-)
 delete mode 100644 .github/workflows/sync-upstream.yml

diff --git a/.github/workflows/sync-upstream.yml b/.github/workflows/sync-upstream.yml
deleted file mode 100644
index 3cc56b223e..0000000000
--- a/.github/workflows/sync-upstream.yml
+++ /dev/null
@@ -1,34 +0,0 @@
-name: Sync Upstream to mainup
-
-on:
-  schedule:
-    - cron: '0 3 * * *' # Run daily at 3 AM
-  workflow_dispatch:
-
-jobs:
-  sync:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Sync upstream branch
-        run: |
-          git remote add upstream https://github.com/NobyDa/Script.git
-          git fetch upstream
-          
-          # Detect the default branch of upstream
-          DEFAULT_BRANCH=$(git symbolic-ref refs/remotes/upstream/HEAD | sed 's@^refs/remotes/upstream/@@')
-          if [ -z "$DEFAULT_BRANCH" ]; then
-            # Fallback: try common branch names
-            if git show-ref --verify --quiet refs/remotes/upstream/main; then
-              DEFAULT_BRANCH="main"
-            elif git show-ref --verify --quiet refs/remotes/upstream/master; then
-              DEFAULT_BRANCH="master"
-            else
-              echo "Could not determine default branch"
-              exit 1
-            fi
-          fi
-          
-          echo "Default branch detected: $DEFAULT_BRANCH"
-          git push origin --force upstream/$DEFAULT_BRANCH:refs/heads/mainup
\ No newline at end of file

From f99b2bc70de3c6308cebfa8ce44afb4e028257d0 Mon Sep 17 00:00:00 2001
From: apiooo <27990398+apiooo@users.noreply.github.com>
Date: Sat, 23 Aug 2025 20:42:10 +0800
Subject: [PATCH 4/7] fix: Deploy intelligent smart sync with branch detection

---
 .github/workflows/sync-upstream.yml | 110 ++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 .github/workflows/sync-upstream.yml

diff --git a/.github/workflows/sync-upstream.yml b/.github/workflows/sync-upstream.yml
new file mode 100644
index 0000000000..f6578c2a91
--- /dev/null
+++ b/.github/workflows/sync-upstream.yml
@@ -0,0 +1,110 @@
+name: Smart Sync Upstream
+
+on:
+  schedule:
+    - cron: '0 3 * * *'  # Daily at 3 AM
+  workflow_dispatch:
+
+jobs:
+  smart_sync:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          fetch-depth: 0
+
+      - name: Smart upstream sync
+        run: |
+          set -e
+          
+          # Configure git
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          
+          # Add upstream remote
+          UPSTREAM_URL="https://github.com/521xueweihan/GitHub520.git"
+          git remote add upstream $UPSTREAM_URL || git remote set-url upstream $UPSTREAM_URL
+          git fetch upstream --prune
+          
+          echo "=== Checking upstream branches for recent activity ==="
+          
+          # Get all upstream branches sorted by last commit date
+          BRANCHES=$(git for-each-ref --sort=-committerdate --format='%(refname:short) %(committerdate:iso8601)' refs/remotes/upstream/)
+          
+          echo "Available upstream branches:"
+          echo "$BRANCHES"
+          
+          # Find the most recently updated branch (filter out invalid refs and remove upstream/ prefix)
+          MOST_RECENT_REF=$(echo "$BRANCHES" | grep "upstream/" | head -1 | cut -d' ' -f1)
+          MOST_RECENT_BRANCH=$(echo "$MOST_RECENT_REF" | sed 's/^upstream\///')
+          MOST_RECENT_DATE=$(echo "$BRANCHES" | grep "upstream/" | head -1 | cut -d' ' -f2-)
+          
+          echo "Most recent upstream branch: $MOST_RECENT_BRANCH (updated: $MOST_RECENT_DATE)"
+          
+          # Get current mainup branch head (if exists)
+          CURRENT_MAINUP_SHA=""
+          if git show-ref --verify --quiet refs/heads/mainup; then
+            CURRENT_MAINUP_SHA=$(git rev-parse mainup)
+            echo "Current mainup SHA: $CURRENT_MAINUP_SHA"
+          else
+            echo "mainup branch does not exist yet"
+          fi
+          
+          # Get upstream branch SHA
+          UPSTREAM_SHA=$(git rev-parse upstream/$MOST_RECENT_BRANCH)
+          echo "Upstream $MOST_RECENT_BRANCH SHA: $UPSTREAM_SHA"
+          
+          # Check if sync is needed
+          if [ "$CURRENT_MAINUP_SHA" = "$UPSTREAM_SHA" ]; then
+            echo "SUCCESS: No sync needed - mainup is already up to date with upstream/$MOST_RECENT_BRANCH"
+            echo "SYNC_NEEDED=false" >> $GITHUB_OUTPUT
+            exit 0
+          fi
+          
+          # Check if there are new commits in the last 7 days
+          RECENT_COMMITS=$(git rev-list --count --since="7 days ago" upstream/$MOST_RECENT_BRANCH)
+          echo "Recent commits (last 7 days): $RECENT_COMMITS"
+          
+          if [ "$RECENT_COMMITS" -eq 0 ] && [ -n "$CURRENT_MAINUP_SHA" ]; then
+            echo "鈩癸笍  No recent activity in upstream/$MOST_RECENT_BRANCH, checking if mainup is reasonable"
+            
+            # Check if mainup is behind by more than 10 commits
+            if git merge-base --is-ancestor $CURRENT_MAINUP_SHA upstream/$MOST_RECENT_BRANCH; then
+              BEHIND_COUNT=$(git rev-list --count $CURRENT_MAINUP_SHA..upstream/$MOST_RECENT_BRANCH)
+              if [ "$BEHIND_COUNT" -lt 10 ]; then
+                echo "SUCCESS: Skip sync - mainup is only $BEHIND_COUNT commits behind and no recent upstream activity"
+                echo "SYNC_NEEDED=false" >> $GITHUB_OUTPUT
+                exit 0
+              fi
+            fi
+          fi
+          
+          echo "SYNC: Sync needed - updating mainup to upstream/$MOST_RECENT_BRANCH"
+          echo "SYNC_NEEDED=true" >> $GITHUB_OUTPUT
+          echo "SYNCED_BRANCH=$MOST_RECENT_BRANCH" >> $GITHUB_OUTPUT
+          
+          # Create or update mainup branch
+          git checkout -B mainup
+          git reset --hard upstream/$MOST_RECENT_BRANCH
+          
+          # Push the updated branch
+          git push origin mainup --force
+          
+          echo "SUCCESS: Successfully synced mainup with upstream/$MOST_RECENT_BRANCH"
+          
+          # Show sync summary
+          echo "=== Sync Summary ==="
+          echo "Synced from: upstream/$MOST_RECENT_BRANCH"
+          echo "New HEAD: $(git rev-parse HEAD)"
+          echo "Commits synced: $(git rev-list --count $CURRENT_MAINUP_SHA..HEAD 2>/dev/null || echo 'N/A (new branch)')"
+
+      - name: Update sync status
+        if: always()
+        run: |
+          if [ "${{ steps.smart_sync.outputs.SYNC_NEEDED }}" = "true" ]; then
+            echo "STATUS: Sync completed for branch: ${{ steps.smart_sync.outputs.SYNCED_BRANCH }}"
+          else
+            echo "STATUS: Sync skipped - no updates needed"
+          fi
\ No newline at end of file

From 9e523e3ce6f1ffbdc69f5943f50c5bbe5a563a75 Mon Sep 17 00:00:00 2001
From: apiooo <27990398+apiooo@users.noreply.github.com>
Date: Sat, 23 Aug 2025 21:06:14 +0800
Subject: [PATCH 5/7] fix: Use dynamic upstream detection and add GH_TOKEN env

---
 .github/workflows/sync-upstream.yml | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/sync-upstream.yml b/.github/workflows/sync-upstream.yml
index f6578c2a91..c217ba4e48 100644
--- a/.github/workflows/sync-upstream.yml
+++ b/.github/workflows/sync-upstream.yml
@@ -16,6 +16,8 @@ jobs:
           fetch-depth: 0
 
       - name: Smart upstream sync
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
           set -e
           
@@ -23,8 +25,18 @@ jobs:
           git config user.name "github-actions[bot]"
           git config user.email "github-actions[bot]@users.noreply.github.com"
           
+          # Get upstream repo dynamically from GitHub API
+          UPSTREAM_REPO=$(gh repo view --json parent --jq '.parent.owner.login + "/" + .parent.name')
+          
+          if [ -z "$UPSTREAM_REPO" ] || [ "$UPSTREAM_REPO" = "null/null" ]; then
+            echo "ERROR: This repository is not a fork or upstream info not found"
+            exit 1
+          fi
+          
+          echo "Detected upstream repository: $UPSTREAM_REPO"
+          
           # Add upstream remote
-          UPSTREAM_URL="https://github.com/521xueweihan/GitHub520.git"
+          UPSTREAM_URL="https://github.com/$UPSTREAM_REPO.git"
           git remote add upstream $UPSTREAM_URL || git remote set-url upstream $UPSTREAM_URL
           git fetch upstream --prune
           

From 9e09588d50aa7f2a863c1593ede5e823e17430f6 Mon Sep 17 00:00:00 2001
From: apiooo <27990398+apiooo@users.noreply.github.com>
Date: Sat, 23 Aug 2025 21:47:56 +0800
Subject: [PATCH 6/7] fix: Use dynamic upstream detection and add GH_TOKEN env

---
 .github/workflows/sync-upstream.yml | 84 +++++++++++++++++++++--------
 1 file changed, 63 insertions(+), 21 deletions(-)

diff --git a/.github/workflows/sync-upstream.yml b/.github/workflows/sync-upstream.yml
index c217ba4e48..fb120b382a 100644
--- a/.github/workflows/sync-upstream.yml
+++ b/.github/workflows/sync-upstream.yml
@@ -42,18 +42,60 @@ jobs:
           
           echo "=== Checking upstream branches for recent activity ==="
           
-          # Get all upstream branches sorted by last commit date
-          BRANCHES=$(git for-each-ref --sort=-committerdate --format='%(refname:short) %(committerdate:iso8601)' refs/remotes/upstream/)
+          # Get upstream default branch (main or master)
+          DEFAULT_BRANCH=""
+          if git show-ref --verify --quiet refs/remotes/upstream/main; then
+            DEFAULT_BRANCH="main"
+          elif git show-ref --verify --quiet refs/remotes/upstream/master; then
+            DEFAULT_BRANCH="master"
+          fi
+          
+          echo "Detected default branch: $DEFAULT_BRANCH"
+          
+          # Check if default branch has commits in the last 6 months
+          SELECTED_BRANCH=""
+          SELECTION_REASON=""
           
-          echo "Available upstream branches:"
-          echo "$BRANCHES"
+          if [ -n "$DEFAULT_BRANCH" ]; then
+            RECENT_DEFAULT_COMMITS=$(git rev-list --count --since="6 months ago" upstream/$DEFAULT_BRANCH)
+            echo "Default branch ($DEFAULT_BRANCH) commits in last 6 months: $RECENT_DEFAULT_COMMITS"
+            
+            if [ "$RECENT_DEFAULT_COMMITS" -gt 0 ]; then
+              SELECTED_BRANCH="$DEFAULT_BRANCH"
+              SELECTION_REASON="Default branch has recent activity"
+              echo "鉁?Using default branch $DEFAULT_BRANCH (has $RECENT_DEFAULT_COMMITS commits in last 6 months)"
+            else
+              echo "脳 Default branch $DEFAULT_BRANCH has no commits in last 6 months, checking other branches..."
+            fi
+          else
+            echo "脳 No standard default branch (main/master) found, checking all branches..."
+          fi
           
-          # Find the most recently updated branch (filter out invalid refs and remove upstream/ prefix)
-          MOST_RECENT_REF=$(echo "$BRANCHES" | grep "upstream/" | head -1 | cut -d' ' -f1)
-          MOST_RECENT_BRANCH=$(echo "$MOST_RECENT_REF" | sed 's/^upstream\///')
-          MOST_RECENT_DATE=$(echo "$BRANCHES" | grep "upstream/" | head -1 | cut -d' ' -f2-)
+          # If default branch is not active, find the most recently updated branch
+          if [ -z "$SELECTED_BRANCH" ]; then
+            echo "Scanning all branches for most recent activity..."
+            
+            # Get all upstream branches sorted by last commit date
+            BRANCHES=$(git for-each-ref --sort=-committerdate --format='%(refname:short) %(committerdate:iso8601)' refs/remotes/upstream/)
+            
+            echo "Available upstream branches:"
+            echo "$BRANCHES"
+            
+            # Find the most recently updated branch
+            MOST_RECENT_REF=$(echo "$BRANCHES" | grep "upstream/" | head -1 | cut -d' ' -f1)
+            MOST_RECENT_BRANCH=$(echo "$MOST_RECENT_REF" | sed 's/^upstream\///')
+            MOST_RECENT_DATE=$(echo "$BRANCHES" | grep "upstream/" | head -1 | cut -d' ' -f2-)
+            
+            SELECTED_BRANCH="$MOST_RECENT_BRANCH"
+            SELECTION_REASON="Most recently updated branch"
+            echo "鉁?Using most active branch: $MOST_RECENT_BRANCH (updated: $MOST_RECENT_DATE)"
+          fi
           
-          echo "Most recent upstream branch: $MOST_RECENT_BRANCH (updated: $MOST_RECENT_DATE)"
+          echo ""
+          echo "=== BRANCH SELECTION SUMMARY ==="
+          echo "Selected branch: $SELECTED_BRANCH"
+          echo "Selection reason: $SELECTION_REASON"
+          echo "================================="
           
           # Get current mainup branch head (if exists)
           CURRENT_MAINUP_SHA=""
@@ -65,26 +107,26 @@ jobs:
           fi
           
           # Get upstream branch SHA
-          UPSTREAM_SHA=$(git rev-parse upstream/$MOST_RECENT_BRANCH)
-          echo "Upstream $MOST_RECENT_BRANCH SHA: $UPSTREAM_SHA"
+          UPSTREAM_SHA=$(git rev-parse upstream/$SELECTED_BRANCH)
+          echo "Upstream $SELECTED_BRANCH SHA: $UPSTREAM_SHA"
           
           # Check if sync is needed
           if [ "$CURRENT_MAINUP_SHA" = "$UPSTREAM_SHA" ]; then
-            echo "SUCCESS: No sync needed - mainup is already up to date with upstream/$MOST_RECENT_BRANCH"
+            echo "SUCCESS: No sync needed - mainup is already up to date with upstream/$SELECTED_BRANCH"
             echo "SYNC_NEEDED=false" >> $GITHUB_OUTPUT
             exit 0
           fi
           
           # Check if there are new commits in the last 7 days
-          RECENT_COMMITS=$(git rev-list --count --since="7 days ago" upstream/$MOST_RECENT_BRANCH)
+          RECENT_COMMITS=$(git rev-list --count --since="7 days ago" upstream/$SELECTED_BRANCH)
           echo "Recent commits (last 7 days): $RECENT_COMMITS"
           
           if [ "$RECENT_COMMITS" -eq 0 ] && [ -n "$CURRENT_MAINUP_SHA" ]; then
-            echo "鈩癸笍  No recent activity in upstream/$MOST_RECENT_BRANCH, checking if mainup is reasonable"
+            echo "鈩癸笍  No recent activity in upstream/$SELECTED_BRANCH, checking if mainup is reasonable"
             
             # Check if mainup is behind by more than 10 commits
-            if git merge-base --is-ancestor $CURRENT_MAINUP_SHA upstream/$MOST_RECENT_BRANCH; then
-              BEHIND_COUNT=$(git rev-list --count $CURRENT_MAINUP_SHA..upstream/$MOST_RECENT_BRANCH)
+            if git merge-base --is-ancestor $CURRENT_MAINUP_SHA upstream/$SELECTED_BRANCH; then
+              BEHIND_COUNT=$(git rev-list --count $CURRENT_MAINUP_SHA..upstream/$SELECTED_BRANCH)
               if [ "$BEHIND_COUNT" -lt 10 ]; then
                 echo "SUCCESS: Skip sync - mainup is only $BEHIND_COUNT commits behind and no recent upstream activity"
                 echo "SYNC_NEEDED=false" >> $GITHUB_OUTPUT
@@ -93,22 +135,22 @@ jobs:
             fi
           fi
           
-          echo "SYNC: Sync needed - updating mainup to upstream/$MOST_RECENT_BRANCH"
+          echo "SYNC: Sync needed - updating mainup to upstream/$SELECTED_BRANCH"
           echo "SYNC_NEEDED=true" >> $GITHUB_OUTPUT
-          echo "SYNCED_BRANCH=$MOST_RECENT_BRANCH" >> $GITHUB_OUTPUT
+          echo "SYNCED_BRANCH=$SELECTED_BRANCH" >> $GITHUB_OUTPUT
           
           # Create or update mainup branch
           git checkout -B mainup
-          git reset --hard upstream/$MOST_RECENT_BRANCH
+          git reset --hard upstream/$SELECTED_BRANCH
           
           # Push the updated branch
           git push origin mainup --force
           
-          echo "SUCCESS: Successfully synced mainup with upstream/$MOST_RECENT_BRANCH"
+          echo "SUCCESS: Successfully synced mainup with upstream/$SELECTED_BRANCH"
           
           # Show sync summary
           echo "=== Sync Summary ==="
-          echo "Synced from: upstream/$MOST_RECENT_BRANCH"
+          echo "Synced from: upstream/$SELECTED_BRANCH"
           echo "New HEAD: $(git rev-parse HEAD)"
           echo "Commits synced: $(git rev-list --count $CURRENT_MAINUP_SHA..HEAD 2>/dev/null || echo 'N/A (new branch)')"
 

From 14633be26ffc5340a2f4a710315212ec01d5c391 Mon Sep 17 00:00:00 2001
From: apiooo <27990398+apiooo@users.noreply.github.com>
Date: Thu, 23 Oct 2025 11:50:33 +0800
Subject: [PATCH 7/7] Remove sync-upstream.yml workflow

---
 .github/workflows/sync-upstream.yml | 164 ----------------------------
 1 file changed, 164 deletions(-)
 delete mode 100644 .github/workflows/sync-upstream.yml

diff --git a/.github/workflows/sync-upstream.yml b/.github/workflows/sync-upstream.yml
deleted file mode 100644
index fb120b382a..0000000000
--- a/.github/workflows/sync-upstream.yml
+++ /dev/null
@@ -1,164 +0,0 @@
-name: Smart Sync Upstream
-
-on:
-  schedule:
-    - cron: '0 3 * * *'  # Daily at 3 AM
-  workflow_dispatch:
-
-jobs:
-  smart_sync:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          fetch-depth: 0
-
-      - name: Smart upstream sync
-        env:
-          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: |
-          set -e
-          
-          # Configure git
-          git config user.name "github-actions[bot]"
-          git config user.email "github-actions[bot]@users.noreply.github.com"
-          
-          # Get upstream repo dynamically from GitHub API
-          UPSTREAM_REPO=$(gh repo view --json parent --jq '.parent.owner.login + "/" + .parent.name')
-          
-          if [ -z "$UPSTREAM_REPO" ] || [ "$UPSTREAM_REPO" = "null/null" ]; then
-            echo "ERROR: This repository is not a fork or upstream info not found"
-            exit 1
-          fi
-          
-          echo "Detected upstream repository: $UPSTREAM_REPO"
-          
-          # Add upstream remote
-          UPSTREAM_URL="https://github.com/$UPSTREAM_REPO.git"
-          git remote add upstream $UPSTREAM_URL || git remote set-url upstream $UPSTREAM_URL
-          git fetch upstream --prune
-          
-          echo "=== Checking upstream branches for recent activity ==="
-          
-          # Get upstream default branch (main or master)
-          DEFAULT_BRANCH=""
-          if git show-ref --verify --quiet refs/remotes/upstream/main; then
-            DEFAULT_BRANCH="main"
-          elif git show-ref --verify --quiet refs/remotes/upstream/master; then
-            DEFAULT_BRANCH="master"
-          fi
-          
-          echo "Detected default branch: $DEFAULT_BRANCH"
-          
-          # Check if default branch has commits in the last 6 months
-          SELECTED_BRANCH=""
-          SELECTION_REASON=""
-          
-          if [ -n "$DEFAULT_BRANCH" ]; then
-            RECENT_DEFAULT_COMMITS=$(git rev-list --count --since="6 months ago" upstream/$DEFAULT_BRANCH)
-            echo "Default branch ($DEFAULT_BRANCH) commits in last 6 months: $RECENT_DEFAULT_COMMITS"
-            
-            if [ "$RECENT_DEFAULT_COMMITS" -gt 0 ]; then
-              SELECTED_BRANCH="$DEFAULT_BRANCH"
-              SELECTION_REASON="Default branch has recent activity"
-              echo "鉁?Using default branch $DEFAULT_BRANCH (has $RECENT_DEFAULT_COMMITS commits in last 6 months)"
-            else
-              echo "脳 Default branch $DEFAULT_BRANCH has no commits in last 6 months, checking other branches..."
-            fi
-          else
-            echo "脳 No standard default branch (main/master) found, checking all branches..."
-          fi
-          
-          # If default branch is not active, find the most recently updated branch
-          if [ -z "$SELECTED_BRANCH" ]; then
-            echo "Scanning all branches for most recent activity..."
-            
-            # Get all upstream branches sorted by last commit date
-            BRANCHES=$(git for-each-ref --sort=-committerdate --format='%(refname:short) %(committerdate:iso8601)' refs/remotes/upstream/)
-            
-            echo "Available upstream branches:"
-            echo "$BRANCHES"
-            
-            # Find the most recently updated branch
-            MOST_RECENT_REF=$(echo "$BRANCHES" | grep "upstream/" | head -1 | cut -d' ' -f1)
-            MOST_RECENT_BRANCH=$(echo "$MOST_RECENT_REF" | sed 's/^upstream\///')
-            MOST_RECENT_DATE=$(echo "$BRANCHES" | grep "upstream/" | head -1 | cut -d' ' -f2-)
-            
-            SELECTED_BRANCH="$MOST_RECENT_BRANCH"
-            SELECTION_REASON="Most recently updated branch"
-            echo "鉁?Using most active branch: $MOST_RECENT_BRANCH (updated: $MOST_RECENT_DATE)"
-          fi
-          
-          echo ""
-          echo "=== BRANCH SELECTION SUMMARY ==="
-          echo "Selected branch: $SELECTED_BRANCH"
-          echo "Selection reason: $SELECTION_REASON"
-          echo "================================="
-          
-          # Get current mainup branch head (if exists)
-          CURRENT_MAINUP_SHA=""
-          if git show-ref --verify --quiet refs/heads/mainup; then
-            CURRENT_MAINUP_SHA=$(git rev-parse mainup)
-            echo "Current mainup SHA: $CURRENT_MAINUP_SHA"
-          else
-            echo "mainup branch does not exist yet"
-          fi
-          
-          # Get upstream branch SHA
-          UPSTREAM_SHA=$(git rev-parse upstream/$SELECTED_BRANCH)
-          echo "Upstream $SELECTED_BRANCH SHA: $UPSTREAM_SHA"
-          
-          # Check if sync is needed
-          if [ "$CURRENT_MAINUP_SHA" = "$UPSTREAM_SHA" ]; then
-            echo "SUCCESS: No sync needed - mainup is already up to date with upstream/$SELECTED_BRANCH"
-            echo "SYNC_NEEDED=false" >> $GITHUB_OUTPUT
-            exit 0
-          fi
-          
-          # Check if there are new commits in the last 7 days
-          RECENT_COMMITS=$(git rev-list --count --since="7 days ago" upstream/$SELECTED_BRANCH)
-          echo "Recent commits (last 7 days): $RECENT_COMMITS"
-          
-          if [ "$RECENT_COMMITS" -eq 0 ] && [ -n "$CURRENT_MAINUP_SHA" ]; then
-            echo "鈩癸笍  No recent activity in upstream/$SELECTED_BRANCH, checking if mainup is reasonable"
-            
-            # Check if mainup is behind by more than 10 commits
-            if git merge-base --is-ancestor $CURRENT_MAINUP_SHA upstream/$SELECTED_BRANCH; then
-              BEHIND_COUNT=$(git rev-list --count $CURRENT_MAINUP_SHA..upstream/$SELECTED_BRANCH)
-              if [ "$BEHIND_COUNT" -lt 10 ]; then
-                echo "SUCCESS: Skip sync - mainup is only $BEHIND_COUNT commits behind and no recent upstream activity"
-                echo "SYNC_NEEDED=false" >> $GITHUB_OUTPUT
-                exit 0
-              fi
-            fi
-          fi
-          
-          echo "SYNC: Sync needed - updating mainup to upstream/$SELECTED_BRANCH"
-          echo "SYNC_NEEDED=true" >> $GITHUB_OUTPUT
-          echo "SYNCED_BRANCH=$SELECTED_BRANCH" >> $GITHUB_OUTPUT
-          
-          # Create or update mainup branch
-          git checkout -B mainup
-          git reset --hard upstream/$SELECTED_BRANCH
-          
-          # Push the updated branch
-          git push origin mainup --force
-          
-          echo "SUCCESS: Successfully synced mainup with upstream/$SELECTED_BRANCH"
-          
-          # Show sync summary
-          echo "=== Sync Summary ==="
-          echo "Synced from: upstream/$SELECTED_BRANCH"
-          echo "New HEAD: $(git rev-parse HEAD)"
-          echo "Commits synced: $(git rev-list --count $CURRENT_MAINUP_SHA..HEAD 2>/dev/null || echo 'N/A (new branch)')"
-
-      - name: Update sync status
-        if: always()
-        run: |
-          if [ "${{ steps.smart_sync.outputs.SYNC_NEEDED }}" = "true" ]; then
-            echo "STATUS: Sync completed for branch: ${{ steps.smart_sync.outputs.SYNCED_BRANCH }}"
-          else
-            echo "STATUS: Sync skipped - no updates needed"
-          fi
\ No newline at end of file