Update Ubuntu runners

sh

#!/bin/bash

# Configuration
SEARCH_STRING="runs-on: ubuntu-20.04"
REPLACE_STRING="runs-on: ubuntu-24.04"
REPO_LIST="repo1 repo2 repo3"  # List of repositories to update
BRANCH_PREFIX="update-ubuntu-version"

for repo in $REPO_LIST; do
    # 1. Go to repo directory and reset it
    cd "/path/to/you/$repo"
    # git reset --hard
    git checkout main
    git pull
    
    # 2. Create new branch
    git checkout -b "$BRANCH_PREFIX-$(date +%Y%m%d)"
    
    # 3. Find and replace
    files_to_update=$(grep -l "$SEARCH_STRING" -r .github/)
    
    if [ -n "$files_to_update" ]; then
        # 4. Replace in all found files
        for file in $files_to_update; do
            sed -i '' "s|$SEARCH_STRING|$REPLACE_STRING|g" "$file"
        done
        
        # 5. Commit and push
        git add .
        git commit -m "Update ubuntu version in workflows"
        git push -u origin "$BRANCH_PREFIX-$(date +%Y%m%d)"
        
        # 6. Create PR
        gh pr create \
            --title "Update Ubuntu version in workflows" \
            --body "Updates ubuntu version from 20.04 to 24.04 in workflow files"
    fi
done