kas/libcmd: Instead of copying the .gitconfig, create a new dummy one

Copying the .gitconfig failes if the current user doesn't have one,
since the commits that are done within kas, will not be pushed or
merged anywhere, we can just create a minimal .gitconfig in the temp
home directory of kas.

Signed-off-by: Claudius Heine <ch@denx.de>

kas/libcmds.py

@@ -92,8 +92,10 @@ class SetupHome(Command):
             fds.write('\n')
         with open(self.tmpdirname + '/.netrc', 'w') as fds:
             fds.write('\n')
-        shutil.copyfile(os.path.expanduser('~/.gitconfig'),
-                        self.tmpdirname + '/.gitconfig')
+        with open(self.tmpdirname + '/.gitconfig', 'w') as fds:
+            fds.write('[User]\n'
+                      '\temail = kas@example.com\n'
+                      '\tname = Kas User\n')
         config.environ['HOME'] = self.tmpdirname