runqueue.py: Add BB_STAMP_WHITELIST option which contains a list of stamps to ignore when checking stamp dependencies and using a BB_STAMP_POLICY of 'whitelist'. Useful for packaged-staging

2 files changed, 23 insertions, 2 deletions

diff --git a/ChangeLog b/ChangeLog
index c30125ee8..7bea472d9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -127,6 +127,8 @@ Changes in Bitbake 1.9.x:
 	- Improve runfetchcmd so errors are seen and various GIT variables are exported
 	- Add ability to fetchers to check URL validity without downloading
 	- Improve runtime PREFERRED_PROVIDERS warning message
+	- Add BB_STAMP_WHITELIST option which contains a list of stamps to ignore when
+	  checking stamp dependencies and using a BB_STAMP_POLICY of "whitelist"
 
 Changes in Bitbake 1.8.0:
 	- Release 1.7.x as a stable series
diff --git a/lib/bb/runqueue.py b/lib/bb/runqueue.py
index e8b3bde98..6951059fc 100644
--- a/lib/bb/runqueue.py
+++ b/lib/bb/runqueue.py
@@ -168,6 +168,7 @@ class RunQueue:
         self.multi_provider_whitelist = (bb.data.getVar("MULTI_PROVIDER_WHITELIST", cfgData, 1) or "").split()
         self.scheduler = bb.data.getVar("BB_SCHEDULER", cfgData, 1) or "speed"
         self.stamppolicy = bb.data.getVar("BB_STAMP_POLICY", cfgData, 1) or "perfile"
+        self.stampwhitelist = bb.data.getVar("BB_STAMP_WHITELIST", cfgData, 1) or []
 
     def reset_runqueue(self):
         self.runq_fnid = []
@@ -685,6 +686,18 @@ class RunQueue:
         #if error:
         #    bb.msg.fatal(bb.msg.domain.RunQueue, "Corrupted metadata configuration detected, aborting...")
 
+
+        # Create a whitelist usable by the stamp checks
+        stampfnwhitelist = []
+        for entry in self.stampwhitelist.split():
+            entryid = self.taskData.getbuild_id(entry)
+            if entryid not in self.taskData.build_targets:
+                continue
+            fnid = self.taskData.build_targets[entryid][0]
+            fn = self.taskData.fn_index[fnid]
+            stampfnwhitelist.append(fn)
+        self.stampfnwhitelist = stampfnwhitelist
+
         #self.dump_data(taskData)
 
         self.state = runQueueRunInit
@@ -699,6 +712,9 @@ class RunQueue:
             fulldeptree = False
         else:
             fulldeptree = True
+            stampwhitelist = []
+            if self.stamppolicy == "whitelist":
+                stampwhitelist = self.self.stampfnwhitelist
 
         for task in range(len(self.runq_fnid)):
             unchecked[task] = ""
@@ -750,7 +766,7 @@ class RunQueue:
                             fn2 = self.taskData.fn_index[self.runq_fnid[dep]]
                             taskname2 = self.runq_task[dep]
                             stampfile2 = "%s.%s" % (self.dataCache.stamp[fn2], taskname2)
-                            if fulldeptree or fn == fn2:
+                            if fn == fn2 or (fulldeptree and fn2 not in stampwhitelist):
                                 if dep in notcurrent:
                                     iscurrent = False
                                 else:
@@ -786,6 +802,9 @@ class RunQueue:
             fulldeptree = False
         else:
             fulldeptree = True
+            stampwhitelist = []
+            if self.stamppolicy == "whitelist":
+                stampwhitelist = self.stampfnwhitelist
 
         fn = self.taskData.fn_index[self.runq_fnid[task]]
         taskname = self.runq_task[task]
@@ -805,7 +824,7 @@ class RunQueue:
                 fn2 = self.taskData.fn_index[self.runq_fnid[dep]]
                 taskname2 = self.runq_task[dep]
                 stampfile2 = "%s.%s" % (self.dataCache.stamp[fn2], taskname2)
-                if fulldeptree or fn == fn2:
+                if fn == fn2 or (fulldeptree and fn2 not in stampwhitelist):
                     try:
                         t2 = os.stat(stampfile2)[stat.ST_MTIME]
                         if t1 < t2: