package signing: automatically export public keys

Automatically export public key(s) of the signing key(s) from the gpg
keyring. Adds a new simple recipe that does the actual task of exporting
the keys.  This patch makes the RPM_GPG_PUBKEY and PACKAGE_FEED_GPG
PUBKEY settings obsolete.

(From OE-Core rev: 23b30c34581948e1ea02c25cbf7b9194d7e49fb8)

Signed-off-by: Markus Lehtonen <markus.lehtonen@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 13 insertions, 3 deletions

diff --git a/meta/classes/sign_package_feed.bbclass b/meta/classes/sign_package_feed.bbclass
index 8877d905f7..4263810028 100644
--- a/meta/classes/sign_package_feed.bbclass
+++ b/meta/classes/sign_package_feed.bbclass
@@ -21,4 +21,11 @@ python () {
     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)
+
+    # Set expected location of the public key
+    d.setVar('PACKAGE_FEED_GPG_PUBKEY',
+             os.path.join(d.getVar('STAGING_ETCDIR_NATIVE'),
+                                   'PACKAGE-FEED-GPG-PUBKEY'))
 }
+
+do_package_index[depends] += "signing-keys:do_export_public_keys"
diff --git a/meta/classes/sign_rpm.bbclass b/meta/classes/sign_rpm.bbclass
index 4da17633a7..f0c3dc9be3 100644
--- a/meta/classes/sign_rpm.bbclass
+++ b/meta/classes/sign_rpm.bbclass
@@ -5,9 +5,6 @@
 #           Path to a file containing the passphrase of the signing key.
 # RPM_GPG_NAME
 #           Name of the key to sign with. May be key id or key name.
-# RPM_GPG_PUBKEY
-#           Path to a file containing the public key (in "armor" format)
-#           corresponding the signing key.
 # GPG_BIN
 #           Optional variable for specifying the gpg binary/wrapper to use for
 #           signing.
@@ -24,6 +21,10 @@ python () {
     for var in ('RPM_GPG_NAME', 'RPM_GPG_PASSPHRASE_FILE'):
         if not d.getVar(var, True):
             raise_sanity_error("You need to define %s in the config" % var, d)
+
+    # Set the expected location of the public key
+    d.setVar('RPM_GPG_PUBKEY', os.path.join(d.getVar('STAGING_ETCDIR_NATIVE'),
+                                            'RPM-GPG-PUBKEY'))
 }
 
 
@@ -68,3 +69,5 @@ python sign_rpm () {
     if rpmsign_wrapper(d, rpms, rpm_gpg_passphrase, rpm_gpg_name) != 0:
         raise bb.build.FuncFailed("RPM signing failed")
 }
+
+do_package_index[depends] += "signing-keys:do_export_public_keys"