1 files changed, 32 insertions, 0 deletions
diff --git a/libbe/arch.py b/libbe/arch.py
index b1b88fd..7e1cd1f 100644
--- a/libbe/arch.py
+++ b/libbe/arch.py
@@ -24,3 +24,35 @@ def add_id(filename):
 
 def delete_id(filename):
     invoke_client("delete-id", filename)
+
+def mkdir(path):
+    os.mkdir(path)
+    add_id(path)
+
+def set_file_contents(path, contents):
+    add = not os.path.exists(path)
+    file(path, "wb").write(contents)
+    if add:
+        add_id(path)
+
+def unlink(path):
+    try:
+        os.unlink(path)
+        delete_id(path)
+    except OSError, e:
+        if e.errno != 2:
+            raise
+
+
+def detect(path):
+    """Detect whether a directory is revision-controlled using Arch"""
+    path = os.path.realpath(path)
+    while True:
+        if os.path.exists(os.path.join(path, "{arch}")):
+            return True
+        if path == "/":
+            return False
+        path = os.path.dirname(path)
+
+
+name = "Arch"