bitbake: bitbake-getvar: Treat undefined variables as empty with --value

Rather than outputting the string "None" for undefined variables, output
only a linefeed (the same as for variables that are defined to the empty
string).

(Bitbake rev: f3ba9c3726ec7b38b557100d8a2d4b6a1446a968)

Signed-off-by: Peter Kjellerstedt <peter.kjellerstedt@axis.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/bitbake/bin/bitbake-getvar b/bitbake/bin/bitbake-getvar
index 53ab900693..8901f99ae2 100755
--- a/bitbake/bin/bitbake-getvar
+++ b/bitbake/bin/bitbake-getvar
@@ -55,6 +55,6 @@ if __name__ == "__main__":
             if value is None and not args.ignore_undefined:
                 sys.exit(f"The variable '{args.variable}' is not defined")
         if args.value:
-            print(str(value))
+            print(str(value if value is not None else ""))
         else:
             bb.data.emit_var(args.variable, d=d, all=True)