This method allows you to convert an absolute symlink into a
relative one.
Signed-off-by: Scott Garman <scott.a.gar...@intel.com>
---
meta/lib/oe/path.py | 27 +++++++++++++++++++++++++++
1 files changed, 27 insertions(+), 0 deletions(-)
diff --git a/meta/lib/oe/path.py b/meta/lib/oe/path.py
index 683b097..1fdfa87 100644
--- a/meta/lib/oe/path.py
+++ b/meta/lib/oe/path.py
@@ -40,6 +40,33 @@ def relative(src, dest):
return os.path.sep.join(relpath)
+def make_relative_symlink(path):
+ """ Convert an absolute symlink to a relative one """
+ if not os.path.islink(path):
+ return
+ link = os.readlink(path)
+ if not os.path.isabs(link):
+ return
+
+ # find the common ancestor directory
+ ancestor = path
+ depth = 0
+ while ancestor and not link.startswith(ancestor):
+ ancestor = ancestor.rpartition('/')[0]
+ depth += 1
+
+ if not ancestor:
+ print "make_relative_symlink() Error: unable to find the common
ancestor of %s and its target" % path
+ return
+
+ base = link.partition(ancestor)[2].strip('/')
+ while depth > 1:
+ base = "../" + base
+ depth -= 1
+
+ os.remove(path)
+ os.symlink(base, path)
+
def format_display(path, metadata):
""" Prepare a path for display to the user. """
rel = relative(metadata.getVar("TOPDIR", True), path)
--
1.7.5.4
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