1. Upload source code to bitbucket.org
2. Create project in Teamcity using bitbucket as VCS root
3. Create branch in bitbucket
4. Switch to and check out branch using git command
git fetch && git checkout FEATURE_1
5. Add new file
git add NewFile
6. Check current changes
git status
git status -s
7. git commit
8. git push
Create pull request by merging current code into feature branch from main branch
Clone project from repository
git clone porj1
Check out branch
git checkout feature/branch
Merge from main branch
git merge main
Push updates to feature branch
git push