Project: A Professional Release, Start to Finish

git init --bare /tmp/project.git
git clone /tmp/project.git /tmp/work
cd /tmp/work

export GIT_AUTHOR_NAME="Thuta Learner"
export GIT_AUTHOR_EMAIL="learner@example.com"
export GIT_COMMITTER_NAME="Thuta Learner"
export GIT_COMMITTER_EMAIL="learner@example.com"
export GIT_AUTHOR_DATE="2026-03-01T09:00:00"
export GIT_COMMITTER_DATE="2026-03-01T09:00:00"

cat > app.py <<'EOF'
def greet(name):
    return f"Hello, {name}!"

if __name__ == "__main__":
    print(greet("World"))
EOF
git add app.py
git commit -m "Initial commit: v1.0.0 baseline app"
git push origin main

# 1. Issue #42 opened on GitHub: "Add a farewell() function" (web UI only)

# 2. Branch, isolated for this issue's work
git checkout -b feature/add-farewell-function

# 3. Two focused, pinned commits
export GIT_AUTHOR_DATE="2026-03-01T10:00:00"
export GIT_COMMITTER_DATE="2026-03-01T10:00:00"
cat >> app.py <<'EOF'

def farewell(name):
    return f"Goodbye, {name}!"
EOF
git add app.py
git commit -m "Add farewell() function (closes #42)"

export GIT_AUTHOR_DATE="2026-03-01T11:00:00"
export GIT_COMMITTER_DATE="2026-03-01T11:00:00"
cat >> app.py <<'EOF'

if __name__ == "__main__":
    print(farewell("World"))
EOF
git add app.py
git commit -m "Call farewell() in main block for demo output"

# 4. Push the branch -- this is what triggers CI and lets you open a PR
git push -u origin feature/add-farewell-function

# 5. PR opened on GitHub: feature/add-farewell-function -> main (web UI)
# 6. CI runs the test suite on the PR automatically (GitHub Actions)
# 7. A teammate reviews the diff and approves it (GitHub web UI)

# 8. Merge, preserving the feature branch as a visible unit in history
git checkout main
export GIT_AUTHOR_DATE="2026-03-01T14:00:00"
export GIT_COMMITTER_DATE="2026-03-01T14:00:00"
git merge --no-ff feature/add-farewell-function -m "Merge pull request #7 from feature/add-farewell-function

Add farewell() function (closes #42)"
git push origin main

# 9. Tag the release commit with a semantic version
export GIT_AUTHOR_DATE="2026-03-01T14:15:00"
export GIT_COMMITTER_DATE="2026-03-01T14:15:00"
git tag -a v1.1.0 -m "Release v1.1.0: add farewell() function"
git push origin v1.1.0

# 10. On GitHub: Releases -> Draft a new release -> choose tag v1.1.0 ->
#     write release notes -> Publish release (web UI)