[fips-8] github actions: Fix upstream commit check for forks

.github/workflows/process-git-request.rb

@@ -22,7 +22,7 @@ def process_git_request(fname, target_branch, source_branch, prj_dir)
 #  puts "Working Dir : " + working_dir
   Dir.chdir working_dir
 #  puts "pwd : " + Dir.pwd
-  git_cmd = "git log --oneline --no-abbrev-commit origin/" + target_branch + ".." + "origin/" + source_branch
+  git_cmd = "git log --oneline --no-abbrev-commit base_repo/" + target_branch + ".." + "origin/" + source_branch
 #  puts git_cmd
   out, err, status = Open3.capture3(git_cmd)
   if status.exitstatus != 0

.github/workflows/process-pull-request.yml

@@ -9,7 +9,7 @@ on:
   pull_request:
     branches:
       - '**'
-      - '!mainline'    
+      - '!mainline'
 
 permissions:
   contents: read
@@ -24,7 +24,18 @@ jobs:
         ruby-version: ['3.0']
 
     steps:
-    - uses: actions/checkout@v4
+    - name: Checkout PR branch
+      uses: actions/checkout@v4
+      with:
+        repository: ${{ github.event.pull_request.head.repo.full_name }}
+        fetch-depth: 0
+        ref: ${{ github.head_ref }}
+
+    - name: Checkout base branch
+      run: |
+        git remote add base_repo https://github.com/${{ github.repository }}.git
+        git fetch base_repo ${{ github.base_ref }}:${{ github.base_ref }}
+
     - name: Set up Ruby
     # To automatically get bug fixes and new Ruby versions for ruby/setup-ruby,
     # change this to (see https://github.com/ruby/setup-ruby#versioning):
@@ -39,8 +50,6 @@ jobs:
       run: |
         /usr/bin/pip3 install gitPython
         python -c "import sys; import git; print(sys.version)"
-        git fetch origin ${{ github.base_ref }}
-        git fetch origin ${{ github.head_ref }}
         git remote add linux https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
         git fetch --shallow-since="3 years ago" linux
         echo "Will run process-git-request.rb with:"

.github/workflows/upstream-commit-check.yml

@@ -16,12 +16,14 @@ jobs:
       - name: Checkout PR branch
         uses: actions/checkout@v4
         with:
+          repository: ${{ github.event.pull_request.head.repo.full_name }}
           fetch-depth: 0
           ref: ${{ github.head_ref }}
 
       - name: Checkout base branch
         run: |
-          git fetch origin ${{ github.base_ref }}:${{ github.base_ref }}
+          git remote add base_repo https://github.com/${{ github.repository }}.git
+          git fetch base_repo ${{ github.base_ref }}:${{ github.base_ref }}
 
       - name: Download check_kernel_commits.py
         run: |