[oe-commits] [bitbake] 01/04: cooker: Track directories searched for bbappend/bb files

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rpurdie pushed a commit to branch master-next
in repository bitbake.

commit 4d508d35a224e3a25d2d59c8415ab7985964b14f
Author: Richard Purdie <richard.purdie at linuxfoundation.org>
AuthorDate: Wed Aug 9 12:53:06 2017 +0100

    cooker: Track directories searched for bbappend/bb files
    
    Some of the directories searched by BBFILES are not currently being added
    to the inotify watch list. This can mean that added append files are not
    noticed leading to misleading metadata results when using
    BB_SERVER_TIMEOUT != 0.
    
    We use glob to expand the BBFILES references and without writing our own
    implentation, figuring out the directories it searches is hard. We use
    some horrible hacks here to intecept the listdir calls, I'm open
    to better ways to handle this but this does ensure we have the right
    watches set.
    
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 lib/bb/cooker.py | 24 +++++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

diff --git a/lib/bb/cooker.py b/lib/bb/cooker.py
index 3740c61..ea4df26 100644
--- a/lib/bb/cooker.py
+++ b/lib/bb/cooker.py
@@ -1192,7 +1192,7 @@ class BBCooker:
             bf = os.path.abspath(bf)
 
         self.collection = CookerCollectFiles(self.bbfile_config_priorities)
-        filelist, masked = self.collection.collect_bbfiles(self.data, self.data)
+        filelist, masked, searchdirs = self.collection.collect_bbfiles(self.data, self.data)
         try:
             os.stat(bf)
             bf = os.path.abspath(bf)
@@ -1482,7 +1482,11 @@ class BBCooker:
                     self.recipecaches[mc].ignored_dependencies.add(dep)
 
             self.collection = CookerCollectFiles(self.bbfile_config_priorities)
-            (filelist, masked) = self.collection.collect_bbfiles(self.data, self.data)
+            (filelist, masked, searchdirs) = self.collection.collect_bbfiles(self.data, self.data)
+
+            # Add inotify watches for directories searched for bb/bbappend files
+            for dirent in searchdirs:
+                self.add_filewatch([[dirent]])
 
             self.parser = CookerParser(self, filelist, masked)
             self.parsecache_valid = True
@@ -1654,6 +1658,18 @@ class CookerCollectFiles(object):
             collectlog.error("no recipe files to build, check your BBPATH and BBFILES?")
             bb.event.fire(CookerExit(), eventdata)
 
+        # We need to track where we look so that we can add inotify watches. There
+        # is no nice way to do this, this is horrid. We intercept the os.listdir()
+        # calls while we run glob().
+        origlistdir = os.listdir
+        searchdirs = []
+
+        def ourlistdir(d):
+            searchdirs.append(d)
+            return origlistdir(d)
+
+        os.listdir = ourlistdir
+
         # Can't use set here as order is important
         newfiles = []
         for f in files:
@@ -1671,6 +1687,8 @@ class CookerCollectFiles(object):
                     if g not in newfiles:
                         newfiles.append(g)
 
+        os.listdir = origlistdir
+
         bbmask = config.getVar('BBMASK')
 
         if bbmask:
@@ -1729,7 +1747,7 @@ class CookerCollectFiles(object):
                 topfile = bbfile_seen[base]
                 self.overlayed[topfile].append(f)
 
-        return (bbfiles, masked)
+        return (bbfiles, masked, searchdirs)
 
     def get_file_appends(self, fn):
         """

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