Fix bugs related to Tour 4 (#196)

# Exercise Review

## Exercise Discussion

#194 

## Checklist

- [ ] If you require a new remote repository on the `Git-Mastery`
organization, have you [created a
request](https://github.com/git-mastery/exercises/issues/new?template=request_exercise_repository.md)
for it?
- [ ] Have you written unit tests using
[`repo-smith`](https://github.com/git-mastery/repo-smith) to validate
the exercise grading scheme?
- [X] Have you tested the download script using `test-download.sh`?
- [X] Have you verified that this exercise does not already exist or is
not currently in review?
- [ ] Did you introduce a new grading mechanism that should belong to
[`git-autograder`](https://github.com/git-mastery/git-autograder)?
- [ ] Did you introduce a new dependency that should belong to
[`app`](https://github.com/git-mastery/app)?

Author: jovnc

exercise_utils/test.py

@@ -30,6 +30,7 @@ def __init__(self, repo: Repo, verbose: bool) -> None:
     def create_start_tag(self) -> None:
         # TODO: Reconsider if this should be inlined within repo-smith or separated out
         """Creates the Git-Mastery start tag."""
+        assert self.repo is not None
         all_commits = list(self.repo.iter_commits())
         first_commit = list(reversed(all_commits))[0]
         first_commit_hash = first_commit.hexsha[:7]

hands_on/move_tags.py

@@ -1,5 +1,8 @@
 import os
-from exercise_utils.git import tag_with_options
+from exercise_utils.git import (
+    tag,
+    tag_with_options,
+)
 from exercise_utils.github_cli import (
     get_github_username,
     has_repo,
@@ -27,5 +30,5 @@ def download(verbose: bool):
     clone_repo_with_gh(full_repo_name, verbose)
 
     os.chdir(LOCAL_DIR)
-    tag_with_options("v1.0", ["HEAD~1"], verbose)
+    tag("v1.0", verbose)
     tag_with_options("v0.9", ["HEAD~2", "-a", "-m", "First beta release"], verbose)

sensors_checkout/.gitmastery-exercise.json

@@ -5,7 +5,9 @@
   ],
   "requires_git": true,
   "requires_github": true,
-  "base_files": {},
+  "base_files": {
+    "answers.txt": "answers.txt"
+  },
   "exercise_repo": {
     "repo_type": "remote",
     "repo_name": "sensors",

sensors_diff/res/answers.txt

@@ -3,9 +3,14 @@ A:
 
 Q: Which are the new values in modified but unstaged files?
 A: 
+- ans1
+- ans2
 
 Q: Which files have changed from Jan 09th to Jan 15th?
 A: 
+- ans1
+- ans2
+- ans3
 
 Q: Which new values are new in north.csv on Jan 10th, compared to Jan 01st?
 A: 

sensors_diff/res/north.csv

@@ -17,4 +17,4 @@
 5789
 6940
 1235
-8890
+8890

sensors_diff/res/south.csv

@@ -17,4 +17,4 @@
 8745
 4069
 1592
-6831
+6831

view_commits/verify.py

@@ -12,8 +12,8 @@
 
 QUESTION_ONE = "In February, who was replaced in the Wednesday duty roster?"
 QUESTION_TWO = "In February, who joined the Tuesday duty roster?"
-QUESTION_THREE = "In April, what were the new names added to the duty rosters? Give the list of names as one line, separated by spaces."
-QUESTION_FOUR = "In January, who were in the Tuesday duty roster? Give the list of names as one line, separated by spaces."
+QUESTION_THREE = "In April, what were the new names added to the duty rosters? Remove/add extra rows where appropriate."
+QUESTION_FOUR = "In January, who were in the Tuesday duty roster? Remove/add extra rows where appropriate."
 
 
 def verify(exercise: GitAutograderExercise) -> GitAutograderOutput: