From 6ae3b85eaffd1b0b6914422e8de7c1230723157d Mon Sep 17 00:00:00 2001
From: Ross Burton <ross.burton@intel.com>
Date: Mon, 3 Mar 2014 20:23:34 +0000
Subject: scripts: add lnr (link relative)

lnr is a simple script to generate relative symlinks from absolute paths,
similar to "ln -r" but without requiring coreutils 8.16 (Ubuntu 12.04 and others
currently ship 8.13).

Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
---
 scripts/lnr | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100755 scripts/lnr

diff --git a/scripts/lnr b/scripts/lnr
new file mode 100755
index 0000000000..9dacebe095
--- /dev/null
+++ b/scripts/lnr
@@ -0,0 +1,21 @@
+#! /usr/bin/env python
+
+# Create a *relative* symlink, just like ln --relative does but without needing
+# coreutils 8.16.
+
+import sys, os
+
+if len(sys.argv) != 3:
+   print "$ lnr TARGET LINK_NAME"
+   sys.exit(1)
+
+target = sys.argv[1]
+linkname = sys.argv[2]
+
+if os.path.isabs(target):
+   if not os.path.isabs(linkname):
+      linkname = os.path.abspath(linkname)
+   start = os.path.dirname(linkname)
+   target = os.path.relpath(target, start)
+
+os.symlink(target, linkname)
-- 
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