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license: Improve disk usage

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Currently copies of the license files are made which wastes disk space
and adversely affects performance. We can link these instead in most
cases for small performance gains.

(From OE-Core rev: 0b0f3631fd22f731b6aeedb73965e367b695028b)

(From OE-Core rev: fe00d4f479c4fb5e4be5dda616a4de0a257ef6c3)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Richard Purdie 2014-09-12 16:39:49 +01:00
parent 57edf5991a
commit 40e1c38dbf
1 changed files with 8 additions and 1 deletions
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9
meta/classes/license.bbclass
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@ -145,7 +145,14 @@ def copy_license_files(lic_files_paths, destdir):
bb.utils.mkdirhier(destdir)
for (basename, path) in lic_files_paths:
try:
ret = shutil.copyfile(path, os.path.join(destdir, basename))
src = path
dst = os.path.join(destdir, basename)
if os.path.exists(dst):
os.remove(dst)
if (os.stat(src).st_dev == os.stat(destdir).st_dev):
os.link(src, dst)
else:
shutil.copyfile(src, dst)
except Exception as e:
bb.warn("Could not copy license file %s: %s" % (basename, e))