[OE-core] [PATCH 3/5] Add new bbclass for package feed signing

[Markus Lehtonen]

After this change signed package feeds should be enabled by adding
INERIT += "sign_package_feed"
instead of definining PACKAGE_FEED_SIGN="1".

Signed-off-by: Markus Lehtonen <markus.lehtonen at linux.intel.com>
---
 meta/classes/sign_package_feed.bbclass | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 meta/classes/sign_package_feed.bbclass

diff --git a/meta/classes/sign_package_feed.bbclass b/meta/classes/sign_package_feed.bbclass
new file mode 100644
index 0000000..8877d90
--- /dev/null
+++ b/meta/classes/sign_package_feed.bbclass
@@ -0,0 +1,24 @@
+# Class for signing package feeds
+#
+# Related configuration variables that will be used after this class is
+# iherited:
+# PACKAGE_FEED_PASSPHRASE_FILE
+#           Path to a file containing the passphrase of the signing key.
+# PACKAGE_FEED_GPG_NAME
+#           Name of the key to sign with. May be key id or key name.
+# GPG_BIN
+#           Optional variable for specifying the gpg binary/wrapper to use for
+#           signing.
+# GPG_PATH
+#           Optional variable for specifying the gnupg "home" directory:
+#
+inherit sanity
+
+PACKAGE_FEED_SIGN = '1'
+
+python () {
+    # Check sanity of configuration
+    for var in ('PACKAGE_FEED_GPG_NAME', 'PACKAGE_FEED_GPG_PASSPHRASE_FILE'):
+        if not d.getVar(var, True):
+            raise_sanity_error("You need to define %s in the config" % var, d)
+}
-- 
2.1.4