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Bug 920637 - FileCopier should create destination directory if it doesn't exist; r=glandium

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This commit is contained in:
Gregory Szorc 2013-10-04 15:00:39 +02:00
parent 24e0e87f57
commit 63995b9d13
1 changed files with 11 additions and 0 deletions
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11
python/mozbuild/mozpack/copier.py
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@ -169,6 +169,17 @@ class FileCopier(FileRegistry):
have_symlinks = hasattr(os, 'symlink')
destination = os.path.normpath(destination)
# We create the destination directory specially. We can't do this as
# part of the loop doing mkdir() below because that loop munges
# symlinks and permissions and parent directories of the destination
# directory may have their own weird schema. The contract is we only
# manage children of destination, not its parents.
try:
os.makedirs(destination)
except OSError as e:
if e.errno != errno.EEXIST:
raise
# Because we could be handling thousands of files, code in this
# function is optimized to minimize system calls. We prefer CPU time
# in Python over possibly I/O bound filesystem calls to stat() and