Merge pull request #791 from effigies/ci/check_archive_install

CI: Test installing from git archive

Author: effigies

.travis.yml

@@ -72,6 +72,9 @@ matrix:
     - python: 2.7
       env:
         - INSTALL_TYPE=requirements
+    - python: 2.7
+      env:
+        - INSTALL_TYPE=archive
     - python: 2.7
       env:
         - CHECK_TYPE="style"
@@ -122,6 +125,9 @@ install:
       elif [ "$INSTALL_TYPE" == "requirements" ]; then
           pip install $EXTRA_PIP_FLAGS -r requirements.txt
           python setup.py install
+      elif [ "$INSTALL_TYPE" == "archive" ]; then
+          git archive -o package.tar.gz HEAD
+          pip install $EXTRA_PIP_FLAGS package.tar.gz
       fi
     # Point to nibabel data directory
     - export NIBABEL_DATA_DIR="$PWD/nibabel-data"