[PATCH] dpkg-base: cope with race around check/creation of .git-downloads symlink

[Cedric Hombourger <Cedric_Hombourger@mentor.com>]

There is a race condition between the check for the .git-downloads symbolic
link existing and its creation. Ignore the FileExistsError exception when
hitting this race.

Signed-off-by: Cedric Hombourger <Cedric_Hombourger@mentor.com>
---
 meta/classes/dpkg-base.bbclass | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/meta/classes/dpkg-base.bbclass b/meta/classes/dpkg-base.bbclass
index 2add0b2..3aa52b1 100644
--- a/meta/classes/dpkg-base.bbclass
+++ b/meta/classes/dpkg-base.bbclass
@@ -23,7 +23,10 @@ python do_adjust_git() {
     git_dl = os.path.join(d.getVar("DL_DIR"), "git")
 
     if not os.path.exists(git_link) or os.path.realpath(git_link) != git_dl:
-        os.symlink(git_dl, git_link)
+        try:
+            os.symlink(git_dl, git_link)
+        except FileExistsError:
+            pass
 
     for src_uri in (d.getVar("SRC_URI", True) or "").split():
         try:
-- 
2.30.2