From 61c17c19c45f366eabc8b073b1e70c7832bf3df1 Mon Sep 17 00:00:00 2001
From: Han <han2.zhang@intel.com>
Date: Fri, 18 Dec 2020 11:06:35 +0800
Subject: [PATCH 1/5] Create sync-main.yml

Create sync-main.yml to automatic sync for main branch from llvm-project to llvm
---
 .github/workflows/sync-main.yml | 50 +++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 .github/workflows/sync-main.yml

diff --git a/.github/workflows/sync-main.yml b/.github/workflows/sync-main.yml
new file mode 100644
index 0000000000000..3235a0d3155de
--- /dev/null
+++ b/.github/workflows/sync-main.yml
@@ -0,0 +1,50 @@
+name: automatic sync main branch from llvm-project to llvm test on sycl
+
+on:
+  workflow_dispatch:
+  schedule:
+  - cron: '*/10 * * * *'
+jobs:
+  check:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          # persist-credentials: false allows us to use our own credentials for
+          # pushing to the repository.  Otherwise, the default github actions token
+          # is used.
+          persist-credentials: false
+          fetch-depth: 0
+          path: src
+      - name: Sync
+        env:
+          BRANCH: main
+          SYNC_REPO: https://github.com/llvm/llvm-project
+          LLVMBOT_TOKEN: ${{ secrets.LLVM_MAIN_SYNC_BBSYCL_TOKEN }}
+        run: |
+          cd $GITHUB_WORKSPACE/src
+          branch_exist=`git ls-remote --heads origin $BRANCH | wc -l`
+          if [ $branch_exist -ne 0 ]; then
+              git checkout $BRANCH
+              git pull --ff --ff-only $SYNC_REPO $BRANCH
+              if [ $? -ne 0 ]; then
+                  echo "failed to pull from $SYNC_REPO $BRANCH, abort"
+                  exit 1
+              fi
+              git_status=`git rev-list --count --left-right origin/$BRANCH...$BRANCH`
+              if [ "0	0" == "$git_status" ] ; then
+                  echo "no change, skip"
+              elif [[ "$git_status" =  0* ]] ; then
+                  git push https://$LLVMBOT_TOKEN@github.com/${{ github.repository }} ${BRANCH}
+              else
+                  echo "$BRANCH branch invalid state"
+                  exit 1
+              fi
+          else
+              git remote add upstream $SYNC_REPO
+              git fetch upstream
+              git checkout -B $BRANCH upstream/$BRANCH
+              git push https://$LLVMBOT_TOKEN@github.com/${{ github.repository }} ${BRANCH}
+          fi
+          echo "sync finished"

From 951d923a44eb811245586ce5ea4453d998145d1e Mon Sep 17 00:00:00 2001
From: Han <han2.zhang@intel.com>
Date: Fri, 18 Dec 2020 12:29:00 +0800
Subject: [PATCH 2/5] Update sync-main.yml

---
 .github/workflows/sync-main.yml | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/.github/workflows/sync-main.yml b/.github/workflows/sync-main.yml
index 3235a0d3155de..35234b0f1236b 100644
--- a/.github/workflows/sync-main.yml
+++ b/.github/workflows/sync-main.yml
@@ -1,13 +1,11 @@
-name: automatic sync main branch from llvm-project to llvm test on sycl
+name: automatic sync main branch from llvm-project to llvm
 
 on:
-  workflow_dispatch:
   schedule:
   - cron: '*/10 * * * *'
 jobs:
   check:
     runs-on: ubuntu-latest
-
     steps:
       - uses: actions/checkout@v2
         with:

From 0d2ba663f5ba39f76a571fb27fda3f0a8c6512de Mon Sep 17 00:00:00 2001
From: Han <han2.zhang@intel.com>
Date: Fri, 18 Dec 2020 13:28:20 +0800
Subject: [PATCH 3/5] Update the sync frequency to hourly

---
 .github/workflows/sync-main.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/sync-main.yml b/.github/workflows/sync-main.yml
index 35234b0f1236b..819529db6d50f 100644
--- a/.github/workflows/sync-main.yml
+++ b/.github/workflows/sync-main.yml
@@ -2,7 +2,7 @@ name: automatic sync main branch from llvm-project to llvm
 
 on:
   schedule:
-  - cron: '*/10 * * * *'
+  - cron: '0 * * * *'
 jobs:
   check:
     runs-on: ubuntu-latest

From 4dd0189db53df74a7a327c995103461cba1fbc28 Mon Sep 17 00:00:00 2001
From: Han <han2.zhang@intel.com>
Date: Mon, 21 Dec 2020 09:14:11 +0800
Subject: [PATCH 4/5] Update .github/workflows/sync-main.yml to sync every 10
 min

Co-authored-by: Alexey Bader <alexey.bader@intel.com>
---
 .github/workflows/sync-main.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/sync-main.yml b/.github/workflows/sync-main.yml
index 819529db6d50f..c2c525a7ddba2 100644
--- a/.github/workflows/sync-main.yml
+++ b/.github/workflows/sync-main.yml
@@ -2,7 +2,7 @@ name: automatic sync main branch from llvm-project to llvm
 
 on:
   schedule:
-  - cron: '0 * * * *'
+  - cron: '/10 * * * *'
 jobs:
   check:
     runs-on: ubuntu-latest

From b04201a57b8f4f3179be614cc1c68ffb0a5fdbd7 Mon Sep 17 00:00:00 2001
From: Han <han2.zhang@intel.com>
Date: Mon, 21 Dec 2020 09:14:27 +0800
Subject: [PATCH 5/5] Update .github/workflows/sync-main.yml job name to sync

Co-authored-by: Alexey Bader <alexey.bader@intel.com>
---
 .github/workflows/sync-main.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/sync-main.yml b/.github/workflows/sync-main.yml
index c2c525a7ddba2..1c47db0acf5c9 100644
--- a/.github/workflows/sync-main.yml
+++ b/.github/workflows/sync-main.yml
@@ -4,7 +4,7 @@ on:
   schedule:
   - cron: '/10 * * * *'
 jobs:
-  check:
+  sync:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2