lib/oe/gpg_sign: sign rpm packages in chunks of 100

Split the file list into chunks in order to avoid
"OSError: [Errno 7] Argument list too long"

This would happend when a package has huge amount of subpackages, e.g.
glibc-locale.

[YOCTO #11069]

(From OE-Core rev: 786eafd7b1080eccfe1c7d417eede20d75d80cb0)

Signed-off-by: Markus Lehtonen <markus.lehtonen@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
(cherry picked from commit 874f5016fd4dc76bc867b68470297fe59e78a9e6)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 5 insertions, 4 deletions

diff --git a/meta/lib/oe/gpg_sign.py b/meta/lib/oe/gpg_sign.py
index 38eb0cb137..683ae5bf43 100644
--- a/meta/lib/oe/gpg_sign.py
+++ b/meta/lib/oe/gpg_sign.py
@@ -35,11 +35,12 @@ class LocalSigner(object):
             cmd += "--define '%%__gpg %s' " % self.gpg_bin
         if self.gpg_path:
             cmd += "--define '_gpg_path %s' " % self.gpg_path
-        cmd += ' '.join(files)
 
-        status, output = oe.utils.getstatusoutput(cmd)
-        if status:
-            raise bb.build.FuncFailed("Failed to sign RPM packages: %s" % output)
+        # Sign in chunks of 100 packages
+        for i in range(0, len(files), 100):
+            status, output = oe.utils.getstatusoutput(cmd + ' '.join(files[i:i+100]))
+            if status:
+                raise bb.build.FuncFailed("Failed to sign RPM packages: %s" % output)
 
     def detach_sign(self, input_file, keyid, passphrase_file, passphrase=None, armor=True):
         """Create a detached signature of a file"""