[elbe-devel] [PATCH v2 2/8] Add 'realpath' method to 'Filesystem'

[dion at linutronix.de]

From: Olivier Dion <dion at linutronix.de>

Signed-off-by: Olivier Dion <dion at linutronix.de>
---
 elbepack/filesystem.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/elbepack/filesystem.py b/elbepack/filesystem.py
index e1c08c5c..56cc05ab 100644
--- a/elbepack/filesystem.py
+++ b/elbepack/filesystem.py
@@ -84,6 +84,13 @@ class Filesystem(object):
     def mkdir(self, path):
         os.makedirs(self.fname(path))
 
+    def realpath(self, path):
+        while self.islink(path):
+            path = os.path.realpath(self.fname(path))
+        if path.startswith(self.path):
+            return path
+        return self.fname(path)
+
     def symlink(self, src, path, allow_exists=False):
         try:
             os.symlink(src, self.fname(path))
-- 
2.11.0