def setup():
# Copy repo so we can practice pulling.
repo_name = os.getcwd()
pull_repo_name = repo_name + PULL_SUFFIX
if os.path.exists(pull_repo_name):
delete = typer.confirm(
f"The directory {pull_repo_name} already exists. Do you want to delete it?"
)
if not delete:
cli.info("Not deleting.")
raise typer.Abort()
cli.info(f"Deleting {pull_repo_name}.")
utils.rmtree_readonly(pull_repo_name)
shutil.copytree(repo_name, pull_repo_name)
# Setup original repo so we can practice pushing.
with open(".gsc_id", "w") as f:
f.write("push_and_pull")
res = subprocess.run(["git", "add", ".gsc_id"], stdout=PIPE, stderr=PIPE)
if res.returncode != 0:
raise setup_exercise.SetupError("Failed to add gsc_id. Contact us for help.")
res = subprocess.run(["git", "commit", "-m", COMMIT_MSG], stdout=PIPE, stderr=PIPE)
if res.returncode != 0:
raise setup_exercise.SetupError(
"Failed to setup Git Scientist. Contact us for help."
)
def setup():
# Make sure we're on the master branch
subprocess.run(["git", "checkout", "master"], stdout=PIPE, stderr=PIPE)
# Commit a change which needs to be amended
codefile = pathlib.Path(FILE_NAME)
code = codefile.read_text()
changed = code.replace(
"""
def subtract(x, y):
return x + y
""",
"""
def subtract(x, y):
# TODO: delete this comment
return x - y
""",
)
codefile.write_text(changed)
res = subprocess.run(["git", "add", FILE_NAME], stdout=PIPE, stderr=PIPE)
if res.returncode != 0:
raise setup_exercise.SetupError("Failed to add code change to master.")
res = subprocess.run(["git", "commit", "-m", MASTER_COMMIT_MSG],
stdout=PIPE,
stderr=PIPE)
if res.returncode != 0:
raise setup_exercise.SetupError("Failed to commit to master.")
cli.info(
"\nUse `git status` and `git log` to take a look at what's changed in your local repo.\n"
"When you're ready to start, amend the most recent commit.\n")
def setup():
state = {}
# Make sure we're on the master branch
subprocess.run(["git", "checkout", "master"], stdout=PIPE, stderr=PIPE)
# Create branch
res = subprocess.run(["git", "branch", BRANCH_NAME], stdout=PIPE, stderr=PIPE)
if res.returncode != 0:
raise setup_exercise.SetupError(
f"Failed to create branch `{BRANCH_NAME}`. Run `gsc reset`."
)
codefile = pathlib.Path(FILE_NAME)
# Create commit on master
cli.info("Implementing the divide function incorrectly on master.")
code = codefile.read_text()
implemented_divide = code.replace(
"""
def divide(x, y):
return "Hello World"
""",
"""
def divide(x, y):
# This is probably correct - don't have time to test
return x % y
""",
)
codefile.write_text(implemented_divide)
res = subprocess.run(["git", "add", FILE_NAME], stdout=PIPE, stderr=PIPE)
if res.returncode != 0:
raise setup_exercise.SetupError("Failed to add code change to master.")
res = subprocess.run(
["git", "commit", "-m", MASTER_COMMIT_MSG], stdout=PIPE, stderr=PIPE
)
if res.returncode != 0:
raise setup_exercise.SetupError("Failed to commit to master.")
res = subprocess.run(["git", "rev-parse", "HEAD"], stdout=PIPE, stderr=PIPE)
if res.returncode != 0:
raise setup_exercise.SetupError("Failed to get hash of commit on master.")
state["master_hash"] = res.stdout.decode("utf-8").strip()
# Push master branch
cli.info("Pushing master.")
res = subprocess.run(["git", "push"], stdout=PIPE, stderr=PIPE)
if res.returncode != 0:
raise setup_exercise.SetupError("Failed to push commit.")
# Switch branch
cli.info("Switching branch.")
subprocess.run(["git", "checkout", BRANCH_NAME], stdout=PIPE, stderr=PIPE)
# Create local commit
cli.info(f"Implementing the divide function correctly on branch `{BRANCH_NAME}`.")
implemented_divide = code.replace(
"""
def divide(x, y):
return "Hello World"
""",
"""
def divide(x, y):
return x / y
""",
)
codefile.write_text(implemented_divide)
res = subprocess.run(["git", "add", FILE_NAME], stdout=PIPE, stderr=PIPE)
if res.returncode != 0:
raise setup_exercise.SetupError("Failed to add code change to branch.")
res = subprocess.run(
["git", "commit", "-m", BRANCH_COMMIT_MSG], stdout=PIPE, stderr=PIPE
)
if res.returncode != 0:
raise setup_exercise.SetupError("Failed to commit to branch.")
# Push local branch
cli.info(f"Pushing {BRANCH_NAME}.")
res = subprocess.run(
["git", "push", "--set-upstream", "origin", BRANCH_NAME],
stdout=PIPE,
stderr=PIPE,
)
if res.returncode != 0:
raise setup_exercise.SetupError("Failed to push commit.")
# Back to master
cli.info("Switching back to master.")
subprocess.run(["git", "checkout", "master"], stdout=PIPE, stderr=PIPE)
# Stash master commit hash for verification later
pathlib.Path(".gsc_state").write_text(json.dumps(state))
cli.info(
"\nUse `git status`, `git log`, and `git branch` to take a look at what's changed in your local repo.\n"
f"When you're ready to start, rebase the `{BRANCH_NAME}` branch onto master and push it.\n"
)
def setup():
state = {}
# Make sure we're on the master branch
subprocess.run(["git", "checkout", "master"], stdout=PIPE, stderr=PIPE)
# Create branch
res = subprocess.run(["git", "branch", BRANCH_NAME],
stdout=PIPE,
stderr=PIPE)
if res.returncode != 0:
raise setup_exercise.SetupError(
f"Failed to create branch `{BRANCH_NAME}`. Run `gsc reset`.")
codefile = pathlib.Path(FILE_NAME)
# Create commit on master
cli.info("Implementing the subtract function incorrectly on master.")
code = codefile.read_text()
implemented_subtract = code.replace(
"""
def subtract(x, y):
return x + y
""",
"""
def subtract(x, y):
if x > 0:
return x - y
return x + y
""",
)
codefile.write_text(implemented_subtract)
res = subprocess.run(["git", "add", FILE_NAME], stdout=PIPE, stderr=PIPE)
if res.returncode != 0:
raise setup_exercise.SetupError("Failed to add code change to master.")
res = subprocess.run(["git", "commit", "-m", MASTER_COMMIT_MSG],
stdout=PIPE,
stderr=PIPE)
if res.returncode != 0:
raise setup_exercise.SetupError("Failed to commit to master.")
res = subprocess.run(["git", "rev-parse", "HEAD"],
stdout=PIPE,
stderr=PIPE)
if res.returncode != 0:
raise setup_exercise.SetupError(
"Failed to get hash of commit on master.")
state["master_hash"] = res.stdout.decode("utf-8").strip()
# Switch branch
cli.info("Switching branch.")
subprocess.run(["git", "checkout", BRANCH_NAME], stdout=PIPE, stderr=PIPE)
# Create local commit
cli.info(
f"Implementing the subtract function correctly on branch `{BRANCH_NAME}`."
)
implemented_subtract = code.replace(
"""
def subtract(x, y):
return x + y
""",
"""
def subtract(x, y):
return x - y
""",
)
codefile.write_text(implemented_subtract)
res = subprocess.run(["git", "add", FILE_NAME], stdout=PIPE, stderr=PIPE)
if res.returncode != 0:
raise setup_exercise.SetupError("Failed to add code change to branch.")
res = subprocess.run(["git", "commit", "-m", BRANCH_COMMIT_MSG],
stdout=PIPE,
stderr=PIPE)
if res.returncode != 0:
raise setup_exercise.SetupError("Failed to commit to branch.")
cli.info("Switching back to master.")
subprocess.run(["git", "checkout", "master"], stdout=PIPE, stderr=PIPE)
# Stash master commit hash for verification later
pathlib.Path(".gsc_state").write_text(json.dumps(state))
cli.info(
"\nUse `git status`, `git log`, and `git branch` to take a look at what's changed in your local repo.\n"
"When you're ready to start the exercise, switch to the `fix-subtract` branch and try to rebase onto master.\n"
)
def setup():
state = {}
# Backup .git
shutil.copytree(".git", ".git.bak")
codefile = pathlib.Path(FILE_NAME)
# Create remote commit & push
cli.info("Implementing the subtract function.")
code = codefile.read_text()
implemented_subtract = code.replace(
"""
def subtract(x, y):
pass
""",
"""
def subtract(x, y):
return x - y
""",
)
codefile.write_text(implemented_subtract)
res = subprocess.run(["git", "add", FILE_NAME], stdout=PIPE, stderr=PIPE)
if res.returncode != 0:
raise setup_exercise.SetupError("Failed to add first code change.")
res = subprocess.run(
["git", "commit", "-m", REMOTE_COMMIT_MSG], stdout=PIPE, stderr=PIPE
)
if res.returncode != 0:
raise setup_exercise.SetupError("Failed to commit first code change.")
res = subprocess.run(["git", "rev-parse", "HEAD"], stdout=PIPE, stderr=PIPE)
if res.returncode != 0:
raise setup_exercise.SetupError("Failed to get hash of first commit.")
state["remote_hash"] = res.stdout.decode("utf-8").strip()
cli.info("Pushing the commit.")
res = subprocess.run(["git", "push"], stdout=PIPE, stderr=PIPE)
if res.returncode != 0:
raise setup_exercise.SetupError("Failed to push commit.")
# Restore .git
cli.info("Forgetting about remote commit.")
utils.rmtree_readonly(".git")
shutil.copytree(".git.bak", ".git")
utils.rmtree_readonly(".git.bak")
# Create local commit
cli.info("Implementing the divide function.")
implemented_divide = code.replace(
"""
def divide(x, y):
pass
""",
"""
def divide(x, y):
return x / y
""",
)
codefile.write_text(implemented_divide)
res = subprocess.run(["git", "add", FILE_NAME], stdout=PIPE, stderr=PIPE)
if res.returncode != 0:
raise setup_exercise.SetupError("Failed to add second code change.")
res = subprocess.run(
["git", "commit", "-m", LOCAL_COMMIT_MSG], stdout=PIPE, stderr=PIPE
)
if res.returncode != 0:
raise setup_exercise.SetupError("Failed to commit second code change.")
# Stash remote commit hash for verification later
pathlib.Path(".gsc_state").write_text(json.dumps(state))
cli.info(
"\nUse `git status` and `git log` to take a look at what's changed in your local repo.\n"
"When you're ready to start the exercise, try `git push`.\n"
)