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authorJoffrey F <joffrey@docker.com>2018-03-21 13:54:43 +0100
committerJoffrey F <f.joffrey@gmail.com>2018-03-21 14:35:50 +0100
commita9ecb7234f476989bf28db4f15a5d1d4e47734e6 (patch)
treeca06b0dd6d2b4cd0fc778f918a23d03875cbb5bc /docker/utils/build.py
parentaf674155b78eaf1d014853d9dfcf728b22f1302b (diff)
downloaddocker-py-a9ecb7234f476989bf28db4f15a5d1d4e47734e6.tar.gz
Don't descend into symlinks when building context tar
Signed-off-by: Joffrey F <joffrey@docker.com>
Diffstat (limited to 'docker/utils/build.py')
-rw-r--r--docker/utils/build.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/docker/utils/build.py b/docker/utils/build.py
index 1622ec3..894b299 100644
--- a/docker/utils/build.py
+++ b/docker/utils/build.py
@@ -93,7 +93,7 @@ def walk(root, patterns, default=True):
# Whether this file is implicitely included / excluded.
matched = default if hit is None else hit
sub = list(filter(lambda p: p[1], sub))
- if os.path.isdir(cur):
+ if os.path.isdir(cur) and not os.path.islink(cur):
# Entirely skip directories if there are no chance any subfile will
# be included.
if all(not p[0] for p in sub) and not matched: