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From e0eb46a08a0bdd278800f75c0004e33af2376374 Mon Sep 17 00:00:00 2001
From: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Date: Sun, 17 Sep 2017 00:39:12 +0300
Subject: [PATCH] poky: bitbake: gitsm: fix BB_NO_NETWORK build

This allows to fetch submodules from download cache.

Signed-off-by: Mikko Rapeli <mikko.rapeli@bmw.de>
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
---
 bitbake/lib/bb/fetch2/gitsm.py | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/bitbake/lib/bb/fetch2/gitsm.py b/bitbake/lib/bb/fetch2/gitsm.py
index 752f1d3..cb417a3 100644
--- a/bitbake/lib/bb/fetch2/gitsm.py
+++ b/bitbake/lib/bb/fetch2/gitsm.py
@@ -109,7 +109,7 @@ class GitSM(Git):
         runfetchcmd("sed " + gitdir + "/config -i -e 's/bare.*=.*true/bare = false/'", d)
         os.chdir(tmpclonedir)
         runfetchcmd(ud.basecmd + " reset --hard", d)
-        runfetchcmd(ud.basecmd + " checkout " + ud.revisions[ud.names[0]], d)
+        runfetchcmd(ud.basecmd + " checkout -f " + ud.revisions[ud.names[0]], d)
         runfetchcmd(ud.basecmd + " submodule update --init --recursive", d)
         self._set_relative_paths(tmpclonedir)
         runfetchcmd("sed " + gitdir + "/config -i -e 's/bare.*=.*false/bare = true/'", d)
@@ -130,5 +130,16 @@ class GitSM(Git):
         os.chdir(ud.destdir)
         submodules = self.uses_submodules(ud, d)
         if submodules:
+            # Copy also submodule trees from download cache instead of
+            # downloading again from the upstream repository.
+            # For some reason git does not clone them.
+            clone_modules = os.path.join(ud.clonedir, "modules")
+            if os.path.exists(clone_modules):
+                dest_modules = os.path.join(ud.destdir, ".git")
+                runfetchcmd("cp -a " + clone_modules + " " + dest_modules, d)
+
             runfetchcmd(ud.basecmd + " checkout " + ud.revisions[ud.names[0]], d)
-            runfetchcmd(ud.basecmd + " submodule update --init --recursive", d)
+            if d.getVar("BB_NO_NETWORK", True) == "1":
+                runfetchcmd(ud.basecmd + " submodule update --no-fetch --init --recursive", d)
+            else:
+                runfetchcmd(ud.basecmd + " submodule update --init --recursive", d)
-- 
1.9.1