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sb: Fix copy_tree coping links on Linux

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Overwriting symlinks did not work on Linux. This change manages the
coping of links with special code. The copy worked on FreeBSD.
This commit is contained in:
Chris Johns 2013-08-22 11:38:44 +10:00
parent 75aa2db1c6
commit 85007c35d1
1 changed files with 13 additions and 1 deletions
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12
source-builder/sb/path.py
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@ -153,6 +153,18 @@ def copy_tree(src, dst):
try:
if os.path.islink(srcname):
linkto = os.readlink(srcname)
if os.path.exists(dstname):
if os.path.islink(dstname):
dstlinkto = os.readlink(dstname)
if linkto != dstlinkto:
log.warning('copying tree: update of link does not match: %s -> %s: %s' % \
(dstname, dstlinkto))
os.remove(dstname)
else:
log.warning('copying tree: destination is not a link: %s -> %s: %s' % \
(dstname, dstlinkto))
os.remove(dstname)
else:
os.symlink(linkto, dstname)
elif os.path.isdir(srcname):
copy_tree(srcname, dstname)