[gnome-continuous-yocto/gnomeostree-3.28-rocko: 2496/8267] bitbake: cookerdata: allow multiple passes of config re-parsing

[Emmanuele Bassi <ebassi src gnome org>]

commit 088d386ddbdd7b4952ba22bba4fb7fd4c452d3d7
Author: Markus Lehtonen <markus lehtonen linux intel com>
Date:   Thu Sep 15 14:20:50 2016 +0300

    bitbake: cookerdata: allow multiple passes of config re-parsing
    
    [YOCTO #10188]
    
    (Bitbake rev: 07a03a1290fd206df2b40ffc28381b5b3c10ba4a)
    
    Signed-off-by: Markus Lehtonen <markus lehtonen linux intel com>
    Signed-off-by: Richard Purdie <richard purdie linuxfoundation org>

 bitbake/lib/bb/cookerdata.py |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/bitbake/lib/bb/cookerdata.py b/bitbake/lib/bb/cookerdata.py
index 07425ce..9e88f95 100644
--- a/bitbake/lib/bb/cookerdata.py
+++ b/bitbake/lib/bb/cookerdata.py
@@ -270,9 +270,16 @@ class CookerDataBuilder(object):
 
             bb.event.fire(bb.event.ConfigParsed(), self.data)
 
-            if self.data.getVar("BB_INVALIDCONF", False) is True:
+            reparse_cnt = 0
+            while self.data.getVar("BB_INVALIDCONF", False) is True:
+                if reparse_cnt > 20:
+                    logger.error("Configuration has been re-parsed over 20 times, "
+                                 "breaking out of the loop...")
+                    raise Exception("Too deep config re-parse loop. Check locations where "
+                                    "BB_INVALIDCONF is being set (ConfigParsed event handlers)")
                 self.data.setVar("BB_INVALIDCONF", False)
                 self.data = self.parseConfigurationFiles(self.prefiles, self.postfiles)
+                reparse_cnt += 1
                 bb.event.fire(bb.event.ConfigParsed(), self.data)
 
             bb.parse.init_parser(self.data)