Migrate travis to use new docker system.

* Travis now installs built vim into $DEPS.
* test/run now detects best vim to use.
* python: Fix small display issue with error messages.

.travis.yml

@@ -1,49 +1,51 @@
 language: ruby
-rvm:
+sudo: false
-  - 1.8.7
-  - 2.0.0
 env:
-  - ENV=nox
+  global:
-  - ENV=python
+    - DEPS=$HOME/deps
-  - ENV=python3
+    - PATH=$DEPS/bin:$PATH
-  - ENV=ruby
 matrix:
-  exclude:
-    - rvm: 2.0.0
   include:
-    - rvm: 2.0.0
+    - env: ENV=nox
-      env: ENV=ruby
+      rvm: 1.8.7
+      addons: { apt: { packages: [vim-nox] } }
+    - env: ENV=python
+      rvm: 1.8.7
+      addons: { apt: { packages: [python2.7-dev] } }
+    - env: ENV=python3
+      rvm: 1.8.7
+      addons: { apt: { packages: [python3-dev] } }
+    - env: ENV=ruby
+      rvm: 1.8.7
+    - env: ENV=ruby
+      rvm: 2.0.0
 install: |
   git config --global user.email "you@example.com"
   git config --global user.name "Your Name"
-  sudo apt-get update -y
 
   if [ "$ENV" == "nox" ]; then
-    sudo apt-get install -y vim-nox
+    mkdir -p ${DEPS}/bin
-    sudo ln -s /usr/bin/vim /usr/local/bin/vim
+    ln -s /usr/bin/vim.nox ${DEPS}/bin/vim
     return
   fi
 
-  C_OPTS="--with-features=huge --disable-gui "
+  C_OPTS="--prefix=$DEPS --with-features=huge --disable-gui "
   case "$ENV" in
     python)
-      PACKS=python2.7-dev
+      C_OPTS+=--enable-pythoninterp
-      C_OPtS+=--enable-pythoninterp
       ;;
     python3)
-      PACKS=python3-dev
+      C_OPTS+=--enable-python3interp
-      C_OPtS+=--enable-python3interp
       ;;
     ruby)
       C_OPTS+=--enable-rubyinterp
       ;;
   esac
 
-  sudo apt-get install -y $PACKS
   git clone --depth 1 https://github.com/vim/vim
   cd vim
   ./configure $C_OPTS
   make
-  sudo make install
+  make install
   cd -
 script: test/run !

plug.vim

@@ -1283,7 +1283,7 @@ class Plugin(object):
         with self.lock:
           thread_vim_command("let s:update.new['{0}'] = 1".format(self.name))
     except PlugError as exc:
-      self.write(Action.ERROR, self.name, str(exc))
+      self.write(Action.ERROR, self.name, [str(exc)])
     except KeyboardInterrupt:
       G_STOP.set()
       self.write(Action.ERROR, self.name, ['Interrupted!'])

test/run

@@ -85,13 +85,26 @@ DOC
   cd "$BASE"
 }
 
+select_vim() {
+  local vim=/usr/bin/vim
+  if [ -n "$DEPS" ] && [ -e "${DEPS}/bin/vim" ]; then
+    vim="${DEPS}/bin/vim"
+  elif [ -e "/usr/local/bin/vim" ]; then
+    vim=/usr/local/bin/vim
+  fi
+  echo $vim
+}
+
 clone_repos
 prepare
+
+VIM=$(select_vim)
+echo "Selected Vim: $VIM"
 if [ "$1" = '!' ]; then
-  /usr/local/bin/vim -Nu /tmp/mini-vimrc -c 'Vader! test.vader' > /dev/null &&
+  $VIM -Nu /tmp/mini-vimrc -c 'Vader! test.vader' > /dev/null &&
   prepare &&
-  /usr/local/bin/vim -Nu /tmp/mini-vimrc -c 'let g:plug_threads = 1 | Vader! test.vader' > /dev/null
+  $VIM -Nu /tmp/mini-vimrc -c 'let g:plug_threads = 1 | Vader! test.vader' > /dev/null
 else
-  /usr/local/bin/vim -Nu /tmp/mini-vimrc -c 'Vader test.vader'
+  $VIM -Nu /tmp/mini-vimrc -c 'Vader test.vader'
 fi