obs: make git fetch the default

As discussed with Neels, it makes more sense to fetch git repos by
default.

Change-Id: Ib8adfbcf59d66b26f322ad22b2df1ccbeaf15af7

jobs/osmocom-obs.yml

@@ -38,7 +38,6 @@
             --conflict-version {conflict_version} \
             --docker \
             --feed {type} \
-            --git-fetch \
             --meta \
             {proj}:{type}
     scm:

scripts/obs/README

@@ -88,11 +88,7 @@ Build and upload source package to OBS
 --------------------------------------
 
  cd ~/osmo-dev/src/osmo-ci/scripts/obs/
- ./update_obs_project.py -g -b origin/neels/pkg home:nhofmeyr:test osmo-hnbgw
-
-The -g option ensures that the latest branch tip is fetched from Osmocom's git.
-Without it, the cached git repository will stay stuck on its currently checked
-out branch version -- you will keep submitting the same state.
+ ./update_obs_project.py -b origin/neels/pkg home:nhofmeyr:test osmo-hnbgw
 
 The -b option chooses a custom branch to build. It is important to prepend
 'origin/' to 'your/branch', so that repeated dev cycles use the latest branch

scripts/obs/lib/__init__.py

@@ -27,9 +27,9 @@ def add_shared_arguments(parser):
     parser.add_argument("-d", "--docker",
                         help="run in docker to avoid installing required pkgs",
                         action="store_true")
-    parser.add_argument("-g", "--git-fetch",
-                        help="fetch already cloned git repositories",
-                        action="store_true")
+    parser.add_argument("-s", "--git-skip-fetch",
+                        help="do not fetch already cloned git repositories",
+                        action="store_false", dest="git_fetch")
     parser.add_argument("-m", "--meta", action="store_true",
                         help="build a meta package (e.g. osmocom-nightly)")
     parser.add_argument("-c", "--conflict-version", nargs="?",