Lint vimscript (wklken#371)

* Check vim

* Use python3

* Specify 3.6

* Update beforehand

* Add ppa

* Yes

* Compose

* &&

* Split

* Refactor

* Chmod +x

* Add pathlib

* Sudo

* Typing

* Ci

* Unique

* Ci

.travis.yml

@@ -1,14 +1,5 @@
 sudo: required
 dist: trusty
 
-before_install:
-- sudo apt-get install shellcheck python vim
-- pip install --user vim-vint
-
-script:
-# - vint init.vim layers/*.vim core/*.vim
-- shellcheck *.sh
-- chmod +x install.sh
-- git clone https://github.com/hecal3/vim-leader-guide ~/.vim/plugged/vim-leader-guide --depth=1
-- ./install.sh
-
+before_install: ci/before_install.sh
+script: ci/script.sh

ci/before_install.sh

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+sudo add-apt-repository ppa:deadsnakes/ppa -y
+sudo apt-get update
+sudo apt-get install shellcheck python3.6 -y
+sudo pip install vim-vint pathlib typing enum34

ci/script.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+set -e
+
+find . -name "*.vim" -type f | grep -v "cache.vim" | while read filename; do vint -e "$filename"; done
+
+shellcheck *.sh
+
+./install.sh