Make the location of ruleset more generic

Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=2036710
Signed-off-by: Frantisek Lachman <[email protected]>

ci.fmf

@@ -1,7 +1,17 @@
 /test/build:
     /smoke:
       execute:
-        how: shell
         script:
         - colin --version
         - colin --help
+        framework: shell
+    /list-rulesets:
+      execute:
+        script:
+        - sh -c "cd / && colin list-rulesets"
+        framework: shell
+    /list-checks:
+      execute:
+        script:
+        - sh -c "cd / && colin list-checks"
+        framework: shell

colin/core/ruleset/ruleset.py

@@ -16,6 +16,7 @@
 
 import logging
 import os
+import sys
 
 from .loader import (
     RulesetStruct,
@@ -216,7 +217,7 @@ def get_ruleset_dirs():
         logger.debug("Local ruleset directory found ('%s').", local_share)
         ruleset_dirs.append(local_share)
 
-    usr_local_share = os.path.join("/usr/local", RULESET_DIRECTORY)
+    usr_local_share = os.path.join(sys.prefix, RULESET_DIRECTORY)
     if os.path.isdir(usr_local_share):
         logger.debug("Global ruleset directory found ('%s').", usr_local_share)
         ruleset_dirs.append(usr_local_share)