1 files changed, 67 insertions, 0 deletions
diff --git a/testing/web-platform/vcs.py b/testing/web-platform/vcs.py
new file mode 100644
index 0000000000..ae555cd2bc
--- /dev/null
+++ b/testing/web-platform/vcs.py
@@ -0,0 +1,67 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+import subprocess
+
+
+class Mercurial(object):
+    def __init__(self, repo_root):
+        self.root = os.path.abspath(repo_root)
+        self.hg = Mercurial.get_func(repo_root)
+
+    @staticmethod
+    def get_func(repo_root):
+        def hg(cmd, *args):
+            full_cmd = ["hg", cmd] + list(args)
+            return subprocess.check_output(full_cmd, cwd=repo_root)
+            # TODO: Test on Windows.
+
+        return hg
+
+    @staticmethod
+    def is_hg_repo(repo_root):
+        try:
+            with open(os.devnull, "w") as devnull:
+                subprocess.check_call(
+                    ["hg", "root"], cwd=repo_root, stdout=devnull, stderr=devnull
+                )
+        except subprocess.CalledProcessError:
+            return False
+        except OSError:
+            return False
+        # TODO: Test on windows
+        return True
+
+
+class Git(object):
+    def __init__(self, repo_root, url_base):
+        self.root = os.path.abspath(repo_root)
+        self.git = Git.get_func(repo_root)
+
+    @staticmethod
+    def get_func(repo_root):
+        def git(cmd, *args):
+            full_cmd = ["git", cmd] + list(args)
+            return subprocess.check_output(full_cmd, cwd=repo_root)
+            # TODO: Test on Windows.
+
+        return git
+
+    @staticmethod
+    def is_git_repo(repo_root):
+        try:
+            with open(os.devnull, "w") as devnull:
+                subprocess.check_call(
+                    ["git", "rev-parse", "--show-cdup"],
+                    cwd=repo_root,
+                    stdout=devnull,
+                    stderr=devnull,
+                )
+        except subprocess.CalledProcessError:
+            return False
+        except OSError:
+            return False
+        # TODO: Test on windows
+        return True