[oe-commits] Randy Witt : gen-lockedsig-cache: Allow cross-filesystem copies.

[git at git.openembedded.org]

Module: openembedded-core.git
Branch: master-next
Commit: cf675896340ebed7c4830b93d791ddb08999031f
URL:    http://git.openembedded.org/?p=openembedded-core.git&a=commit;h=cf675896340ebed7c4830b93d791ddb08999031f

Author: Randy Witt <randy.e.witt at linux.intel.com>
Date:   Mon Feb 23 17:00:35 2015 +0000

gen-lockedsig-cache: Allow cross-filesystem copies.

Since this previously always tried to use hardlinks you couldn't have
the source and destination be on different devices. This change allows
for that and also prevents failure in situations where the files already
existed.

Signed-off-by: Randy Witt <randy.e.witt at linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>

---

 scripts/gen-lockedsig-cache | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/scripts/gen-lockedsig-cache b/scripts/gen-lockedsig-cache
index dfb282e..c93b2c0 100755
--- a/scripts/gen-lockedsig-cache
+++ b/scripts/gen-lockedsig-cache
@@ -35,6 +35,12 @@ for s in sigs:
 
 for f in files:
     dst = f.replace(sys.argv[2], sys.argv[3])
-    mkdir(os.path.dirname(dst))
-    os.link(f, dst)
+    destdir = os.path.dirname(dst)
+    mkdir(destdir)
 
+    if os.path.exists(dst):
+        os.remove(dst)
+    if (os.stat(f).st_dev == os.stat(destdir).st_dev):
+        os.link(f, dst)
+    else:
+        shutil.copyfile(f, dst)