pactest: only snapshot needed files

Only a few of our tests need file snapshots at all and most of them only
need a few files.  Taking snapshots of the entire test environment for
every single test is a massive waste.

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/test/pacman/pmrule.py b/test/pacman/pmrule.py
index a91741be..0eec8ea9 100644
--- a/test/pacman/pmrule.py
+++ b/test/pacman/pmrule.py
@@ -32,6 +32,12 @@ class pmrule(object):
     def __str__(self):
         return self.rule
 
+    def snapshots_needed(self):
+        (testname, args) = self.rule.split("=")
+        if testname == "FILE_MODIFIED" or testname == "!FILE_MODIFIED":
+            return [args]
+        return []
+
     def check(self, test):
         """
         """