Switch to container-based infrastructure

.travis.yml

@@ -1,3 +1,15 @@
+sudo: false
+addons:
+    apt:
+        packages:
+            - libssl1.0.0
+            - zsh
+            # - tcsh
+            # - mksh
+            # - busybox
+            # - rc
+            # - socat
+            - bc
 language: python
 install: tests/install.sh
 script: tests/test.sh

tests/install.sh

@@ -4,9 +4,6 @@ git clone --depth=1 git://github.com/powerline/deps tests/bot-ci/deps
 
 . tests/bot-ci/scripts/common/main.sh
 
-sudo apt-get install -qq libssl1.0.0
-sudo apt-get install -qq zsh tcsh mksh busybox socat realpath bc rc tmux
-
 mkdir -p "$HOME/opt"
 
 if test -n "$USE_UCS2_PYTHON" ; then
@@ -54,6 +51,4 @@ for archive in "$ROOT"/tests/bot-ci/deps/vim-plugins/*.tar.gz ; do
 	)
 done
 
-# Travis has too outdated fish. It cannot be used for tests.
-# sudo apt-get install fish
 true

tests/test.sh

@@ -10,6 +10,11 @@ FAILED=0
 
 if test "$TRAVIS" = true ; then
 	export PATH="$HOME/opt/fish/bin:${PATH}"
+	export PATH="$PWD/tests/bot-ci/deps/rc:$PATH"
+	export PATH="$PWD/tests/bot-ci/deps/mksh:$PATH"
+	export PATH="$PWD/tests/bot-ci/deps/busybox:$PATH"
+	export PATH="$PWD/tests/bot-ci/deps/tcsh:$PATH"
+	export PATH="$PWD/tests/bot-ci/deps/socat:$PATH"
 
 	if test "$PYTHON_IMPLEMENTATION" = "CPython" ; then
 		export PATH="$HOME/opt/zsh-${PYTHON_MM}${USE_UCS2_PYTHON:+-ucs2}/bin:${PATH}"