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target/xfer: Fix detection of files with restricted permissions

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The command used to detect the presence of a filepath can return
the wrong value if only accessible by the superuser.
Pass the `as_root` parameter to the detection function to ensure
that files that are to be pulled with elevated permissions are
also queried with elevated permission.
This commit is contained in:
Marc Bonnici
2022-02-28 18:49:31 +00:00
parent 7d6ed2dd8a
commit fffa040792
1 changed files with 5 additions and 5 deletions
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10
devlib/target.py
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@@ -461,7 +461,7 @@ class Target(object):
once = functools.lru_cache(maxsize=None)
_target_cache = {}
def target_paths_kind(paths):
def target_paths_kind(paths, as_root=False):
def process(x):
x = x.strip()
if x == 'notexist':
@@ -481,7 +481,7 @@ class Target(object):
)
for path in _paths
)
res = self.execute(cmd)
res = self.execute(cmd, as_root=as_root)
_target_cache.update(zip(_paths, map(process, res.split())))
return [
@@ -490,7 +490,7 @@ class Target(object):
]
_host_cache = {}
def host_paths_kind(paths):
def host_paths_kind(paths, as_root=False):
def path_kind(path):
if os.path.isdir(path):
return 'dir'
@@ -535,9 +535,9 @@ class Target(object):
def rewrite_dst(src, dst):
new_dst = dst_path_join(dst, os.path.basename(src))
src_kind, = src_path_kind([src])
src_kind, = src_path_kind([src], as_root)
# Batch both checks to avoid a costly extra execute()
dst_kind, new_dst_kind = dst_paths_kind([dst, new_dst])
dst_kind, new_dst_kind = dst_paths_kind([dst, new_dst], as_root)
if src_kind == 'file':
if dst_kind == 'dir':