classes-systemd: General refactoring

Take the more idiomatic approach of iterating on
SYSTEMD_PACKAGES to find service files.

The OBMC_SYSTEMD_SERVICE variable isn't meant to be used directly by
recipes.  Rename it to something that seems less public.

Change-Id: If031937d4716b9c7e6ac1be506457e41109b69c1
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/meta-phosphor/classes/obmc-phosphor-utils.bbclass b/meta-phosphor/classes/obmc-phosphor-utils.bbclass
index 44ca7ad62..036af9b17 100644
--- a/meta-phosphor/classes/obmc-phosphor-utils.bbclass
+++ b/meta-phosphor/classes/obmc-phosphor-utils.bbclass
@@ -15,3 +15,15 @@ def cf_enabled(feature, value, d):
     return value if df_enabled(feature, value, d) \
         and mf_enabled(feature, value, d) \
             else ""
+
+
+def set_append(d, var, val, sep=' '):
+    values = (d.getVar(var, True) or '').split(sep)
+    if filter(bool, values):
+        d.appendVar(var, '%s%s' %(sep, val))
+    else:
+        d.setVar(var, val)
+
+
+def listvar_to_list(d, list_var, sep=' '):
+    return filter(bool, (d.getVar(list_var, True) or '').split(sep))