[poky] [PATCH 8/8] Fetcher: only set __BB_DONT_CACHE when SRCREV = "${AUTOREV}"

[Yu Ke]

we should cache SRCREV whenever possible, the only exception is
when SREREV is auto rev. so change the logic to only set __BB_DONT_CACHE
at SRCREV = "${AUTOREV}" case

Signed-off-by: Yu Ke <ke.yu at intel.com>
---
 bitbake/lib/bb/fetch/__init__.py |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/bitbake/lib/bb/fetch/__init__.py b/bitbake/lib/bb/fetch/__init__.py
index c710931..1a08725 100644
--- a/bitbake/lib/bb/fetch/__init__.py
+++ b/bitbake/lib/bb/fetch/__init__.py
@@ -374,6 +374,7 @@ def get_srcrev(d):
 
     scms = []
 
+    autorev = False
     # Only call setup_localpath on URIs which supports_srcrev()
     urldata = init(bb.data.getVar('SRC_URI', d, 1).split(), d, False)
     for u in urldata:
@@ -382,12 +383,14 @@ def get_srcrev(d):
             if not ud.setup:
                 ud.setup_localpath(d)
             scms.append(u)
+            if ud.autorev:
+                autorev = True
 
     if len(scms) == 0:
         bb.msg.error(bb.msg.domain.Fetcher, "SRCREV was used yet no valid SCM was found in SRC_URI")
         raise ParameterError
 
-    if bb.data.getVar('BB_SRCREV_POLICY', d, True) != "cache":
+    if bb.data.getVar('BB_SRCREV_POLICY', d, True) != "cache" and autorev:
         bb.data.setVar('__BB_DONT_CACHE', '1', d)
 
     if len(scms) == 1:
@@ -524,6 +527,7 @@ class FetchData(object):
         if not self.pswd and "pswd" in self.parm:
             self.pswd = self.parm["pswd"]
         self.setup = False
+        self.autorev = False
 
         if "name" in self.parm:
             self.md5_name = "%s.md5sum" % self.parm["name"]
@@ -688,6 +692,7 @@ class Fetch(object):
             raise InvalidSRCREV("Please set SRCREV to a valid value")
         if rev == "AUTOINC":
             rev = ud.method.latest_revision(ud.url, ud, d)
+            ud.autorev = True
 
         return rev
 
-- 
1.7.0.4