dbus-cynara: Avoid dependency loop

The dependency loop appeared when compiling
with DISTRO_FEATURE ptest.

To avoid it, I restore the logic implemented before in
meta-intel-iot-security. I also remove unless files.

Bug-AGL: SPEC-1334

Change-Id: Ibe8b9359a65fec034df2534c5fceb4769e63aa99
Signed-off-by: José Bollo <jose.bollo@iot.bzh>

1 files changed, 36 insertions, 0 deletions

diff --git a/meta-security/recipes-core/dbus-cynara/dbus_%.bbappend b/meta-security/recipes-core/dbus-cynara/dbus_%.bbappend
new file mode 100644
index 000000000..78df8ec3c
--- /dev/null
+++ b/meta-security/recipes-core/dbus-cynara/dbus_%.bbappend
@@ -0,0 +1,36 @@
+FILESEXTRAPATHS_prepend := "${THISDIR}/dbus-cynara:"
+SRC_URI_append = "\
+   file://0001-Integration-of-Cynara-asynchronous-security-checks.patch \
+   file://0002-Disable-message-dispatching-when-send-rule-result-is.patch \
+   file://0003-Handle-unavailability-of-policy-results-for-broadcas.patch \
+   file://0004-Add-own-rule-result-unavailability-handling.patch \
+   file://0005-Perform-Cynara-runtime-policy-checks-by-default.patch \
+"
+
+# Optionally, compilation of the main package with the daemon gets moved into
+# dbus-cynara. That is necessary to break a dependency cycle once the
+# daemon gets compiled with Cynara support (dbus -> cynara -> systemd
+# -> dbus).
+do_install_append_class-target () {
+    if ${@bb.utils.contains('DISTRO_FEATURES', 'dbus-cynara', 'true', 'false', d)}; then
+        for i in ${@' '.join([d.getVar('D', True) + x for x in (d.getVar('FILES_${PN}', True) or '').split()])}; do
+            rm -rf $i
+        done
+
+        # Try to remove empty directories, starting with the
+        # longest path (= deepest directory) first.
+        # Find needs a valid current directory. Somehow the directory
+        # we get called in is gone by the time that we get invoked.
+        ( cd ${D}
+          for i in `find . -type d | sort -r`; do
+            rmdir $i || true
+          done
+        )
+    fi
+}
+
+# The main package will be empty, but we want to have it created
+# anyway because of the dependencies on it. Installing it will pull in
+# the replacement dbus-cynara package.
+ALLOW_EMPTY_${PN}_class-target = "1"
+RDEPENDS_${PN}_append_class-target = "${@bb.utils.contains('DISTRO_FEATURES', 'dbus-cynara', ' dbus-cynara', '', d)}"