[gnome-continuous-yocto/gnomeostree-3.28-rocko: 5221/8267] gen-lockedsig-cache: catch os.link error

[Emmanuele Bassi <ebassi src gnome org>]

commit ab34d087727cc393fe276bfca64a2a6afd80eed2
Author: brian avery <avery brian gmail com>
Date:   Sun Mar 19 10:32:40 2017 -0700

    gen-lockedsig-cache: catch os.link error
    
    We do a hard link to speed up sdk creation but if your sstate-cache is
    across a file system boundary, this tries and fails. This patch catches
    that error and does a copy instead.
    
    (From OE-Core rev: fb9fdd7a74917cdcab039aa3a9a9944b18246fea)
    
    Signed-off-by: brian avery <brian avery intel com>
    Signed-off-by: Ross Burton <ross burton intel com>
    Signed-off-by: Richard Purdie <richard purdie linuxfoundation org>

 scripts/gen-lockedsig-cache |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/scripts/gen-lockedsig-cache b/scripts/gen-lockedsig-cache
index 49de74e..6765891 100755
--- a/scripts/gen-lockedsig-cache
+++ b/scripts/gen-lockedsig-cache
@@ -62,7 +62,11 @@ for f in files:
         os.remove(dst)
     if (os.stat(src).st_dev == os.stat(destdir).st_dev):
         print('linking')
-        os.link(src, dst)
+        try:
+            os.link(src, dst)
+        except OSError as e:
+            print('hard linking failed, copying')
+            shutil.copyfile(src, dst)
     else:
         print('copying')
         shutil.copyfile(src, dst)