Add merge to the git and download modules to merge after a fetch.

Update the RTEMS tools and newlib-git to merge after the fetch.

rtems/config/tools/rtems-gcc-4.9-newlib-git-1.cfg

@@ -35,7 +35,7 @@
 #
 # Newlib is from CVS and this is via a git mirror. No hash on GIT
 #
-%source set newlib git://sourceware.org/git/newlib.git?fetch?reset=hard?branch=master?checkout=%{newlib_version}
+%source set newlib git://sourceware.org/git/newlib.git?fetch?reset=hard?merge?branch=master?checkout=%{newlib_version}
 
 #
 # The gcc/newlib build instructions. We use 4.9 Release 1.

rtems/config/tools/rtems-tools-1.cfg

@@ -30,7 +30,7 @@
   %define rtems_tools_version HEAD
   %define rtems_tools_git_checkout %{nil}
  %endif
- %source set rtems-tools git://git.rtems.org/rtems-tools.git?fetch?reset=hard?branch=master%{rtems_tools_git_checkout}
+ %source set rtems-tools git://git.rtems.org/rtems-tools.git?fetch?reset=hard?merge?branch=master%{rtems_tools_git_checkout}
 
  #
  # The RTEMS Tools build instructions. We use GIT Release 1.

source-builder/sb/download.py

@@ -423,10 +423,6 @@ def _git_downloader(url, local, config, opts):
             log.notice('git: checkout: %s => %s' % (us[0], _as[1]))
             if _do_download(opts):
                 repo.checkout(_as[1])
-        elif _as[0] == 'pull':
-            log.notice('git: pull: %s' % (us[0]))
-            if _do_download(opts):
-                repo.pull()
         elif _as[0] == 'submodule':
             if len(_as) != 2:
                 raise error.general('invalid git submodule: %s' % (_as))
@@ -437,6 +433,14 @@ def _git_downloader(url, local, config, opts):
             log.notice('git: fetch: %s -> %s' % (us[0], rlp))
             if _do_download(opts):
                 repo.fetch()
+        elif _as[0] == 'merge':
+            log.notice('git: merge: %s' % (us[0]))
+            if _do_download(opts):
+                repo.merge()
+        elif _as[0] == 'pull':
+            log.notice('git: pull: %s' % (us[0]))
+            if _do_download(opts):
+                repo.pull()
         elif _as[0] == 'reset':
             arg = []
             if len(_as) > 1:

source-builder/sb/git.py

@@ -78,6 +78,9 @@ class repo:
     def fetch(self):
         ec, output = self._run(['fetch'], check = True)
 
+    def merge(self):
+        ec, output = self._run(['merge'], check = True)
+
     def pull(self):
         ec, output = self._run(['pull'], check = True)