.travis.yml: make sure that we only fetch tags and don't change the requested commit.

diff --git a/.travis.yml b/.travis.yml
index 136436806eda699fe03495bc64e68ec109485479..b4c3e100822a3b1d9015b6c359c240fa3d377770 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,7 @@ python:
   - "2.6"
 before_install:
   - sh -c set
-  - git pull --depth=1000
+  - git fetch --tags
   - python misc/build_helpers/show-tool-versions.py
 install:
   - pip install 'twisted>=0.13.0'