[PATCH v5 2/8] signing-keys.bb: Fix DISTRO_CODENAME truncation

[Adam Duskett <adam.duskett@amarulasolutions.com>]

If DISTRO_CODENAME is not set in the environment, bash quietly
drops the string resulting in a key such as PACKAGEFEED-GPG-KEY-defaultsetup-

However, when python calls self.d.getVar('DISTRO_CODENAME'), the resulting
string is 'None', leading to a configuration file pointing to a key such
as PACKAGEFEED-GPG-KEY-defaultsetup-None

Add a default value in signing-keys.bb to set DISTRO_CODENAME to None if
DISTRO_CODENAME is not set.

Signed-off-by: Adam Duskett <adam.duskett@amarulasolutions.com>
---
 meta/recipes-core/meta/signing-keys.bb | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/meta/recipes-core/meta/signing-keys.bb b/meta/recipes-core/meta/signing-keys.bb
index 94f4032911..c7713ed4a6 100644
--- a/meta/recipes-core/meta/signing-keys.bb
+++ b/meta/recipes-core/meta/signing-keys.bb
@@ -45,6 +45,10 @@ addtask get_public_keys before do_install
 do_get_public_keys[depends] += "gnupg-native:do_populate_sysroot"
 
 do_install () {
+    # Python evalutes an empty DISTRO_CODENAME to "None" which would cause mismatched files
+    # as the update config file would show GPG-KEY-${DISTRO}-None but the filename is
+    # installed as GPG-KEY-${DISTRO}-
+    DISTRO_CODENAME="${DISTRO_CODENAME:-None}"
     if [ -f "${B}/rpm-key" ]; then
         install -D -m 0644 "${B}/rpm-key" "${D}${sysconfdir}/pki/rpm-gpg/RPM-GPG-KEY-${DISTRO}-${DISTRO_CODENAME}"
     fi
@@ -57,6 +61,7 @@ do_install () {
 }
 
 do_deploy () {
+    DISTRO_CODENAME="${DISTRO_CODENAME:-None}"
     if [ -f "${B}/rpm-key" ]; then
         install -D -m 0644 "${B}/rpm-key" "${DEPLOYDIR}/RPM-GPG-KEY-${DISTRO}-${DISTRO_CODENAME}"
     fi
-- 
2.53.0