diff --git a/dev_scripts/dev_utils.py b/dev_scripts/dev_utils.py
new file mode 100644
index 000000000..1a58e3a5d
--- /dev/null
+++ b/dev_scripts/dev_utils.py
@@ -0,0 +1,14 @@
+import pathlib
+import subprocess
+
+
+def git_root():
+    """Get the root directory of the Git repo."""
+    # FIXME: Use a Git Python binding for this.
+    # FIXME: Make this work if called outside the repo.
+    path = (
+        subprocess.check_output(["git", "rev-parse", "--show-toplevel"])
+        .decode()
+        .strip("\n")
+    )
+    return pathlib.Path(path)
diff --git a/dev_scripts/env.py b/dev_scripts/env.py
index 3c8230d1f..db7b6ee6c 100755
--- a/dev_scripts/env.py
+++ b/dev_scripts/env.py
@@ -11,6 +11,8 @@
 import urllib.request
 from datetime import date
 
+from dev_utils import git_root
+
 DEFAULT_GUI = True
 DEFAULT_USER = "user"
 DEFAULT_DRY = False
@@ -272,14 +274,6 @@ def run(*args):
     ).stdout
 
 
-def git_root():
-    """Get the root directory of the Git repo."""
-    # FIXME: Use a Git Python binding for this.
-    # FIXME: Make this work if called outside the repo.
-    path = run("git", "rev-parse", "--show-toplevel").decode().strip("\n")
-    return pathlib.Path(path)
-
-
 def user_data():
     """Get the user data dir in (which differs on different OSes)"""
     home = pathlib.Path.home()
diff --git a/dev_scripts/qa.py b/dev_scripts/qa.py
index 07cfbbfdf..43ef8af7d 100755
--- a/dev_scripts/qa.py
+++ b/dev_scripts/qa.py
@@ -9,6 +9,8 @@
 import subprocess
 import sys
 
+from dev_utils import git_root
+
 logger = logging.getLogger(__name__)
 
 CONTENT_QA = r"""## QA
@@ -561,18 +563,7 @@ def __init__(self, try_auto=False, skip_manual=False, debug=False):
         self.debug = debug
         self.try_auto = try_auto
         self.skip_manual = skip_manual
-        self.src = (
-            subprocess.run(
-                [
-                    "git",
-                    "rev-parse",
-                    "--show-toplevel",
-                ],
-                stdout=subprocess.PIPE,
-            )
-            .stdout.decode()
-            .strip("\n")
-        )
+        self.src = git_root()
 
     def task(*msgs, ref=None, auto=False):
         """Decorator for running a task automatically.
diff --git a/install/common/download-tessdata.py b/install/common/download-tessdata.py
index f2da96ee1..73aca79a3 100644
--- a/install/common/download-tessdata.py
+++ b/install/common/download-tessdata.py
@@ -1,13 +1,12 @@
 import hashlib
 import io
 import json
-import pathlib
-import re
-import subprocess
 import sys
 import tarfile
 import urllib.request
 
+from dev_utils import git_root
+
 TESSDATA_RELEASES_URL = (
     "https://api.github.com/repos/tesseract-ocr/tessdata_fast/releases/latest"
 )
@@ -15,19 +14,6 @@
 TESSDATA_CHECKSUM = "d0e3bb6f3b4e75748680524a1d116f2bfb145618f8ceed55b279d15098a530f9"
 
 
-def git_root():
-    """Get the root directory of the Git repo."""
-    # FIXME: Use a Git Python binding for this.
-    # FIXME: Make this work if called outside the repo.
-    cmd = ["git", "rev-parse", "--show-toplevel"]
-    path = (
-        subprocess.run(cmd, check=True, stdout=subprocess.PIPE)
-        .stdout.decode()
-        .strip("\n")
-    )
-    return pathlib.Path(path)
-
-
 def main():
     share_dir = git_root() / "share"
     tessdata_dir = share_dir / "tessdata"