[stage-fright] Use new utils

Author: woojiahao

stage_fright/download.py

@@ -1,35 +1,11 @@
-import subprocess
-from sys import exit
-from typing import List, Optional
-
-
-def run_command(command: List[str], verbose: bool) -> Optional[str]:
-    try:
-        result = subprocess.run(
-            command,
-            capture_output=True,
-            text=True,
-            check=True,
-        )
-        if verbose:
-            print(result.stdout)
-        return result.stdout
-    except subprocess.CalledProcessError as e:
-        if verbose:
-            print(e.stderr)
-        exit(1)
+from exercise_utils.file import create_or_update_file
+from exercise_utils.git import add
+from exercise_utils.gitmastery import create_start_tag
 
 
 def setup(verbose: bool = False):
     names = ["alice", "bob", "joe", "jim", "carrey"]
     for name in names:
-        open(f"{name}.txt", "a").close()
-    run_command(["git", "add", "jim.txt"], verbose)
-    run_command(["git", "add", "carrey.txt"], verbose)
-    commits_str = run_command(
-        ["git", "log", "--reverse", "--pretty=format:%h"], verbose
-    )
-    assert commits_str is not None
-    first_commit = commits_str.split(" ")[0]
-    tag_name = f"git-mastery-start-{first_commit}"
-    run_command(["git", "tag", tag_name], verbose)
+        create_or_update_file(f"{name}.txt", "a")
+    add(["jim.txt", "carrey.txt"], verbose)
+    create_start_tag(verbose)