fix(ci): Deps cache

.travis.yml

@@ -52,6 +52,8 @@ cache:
     - ${TRAVIS_BUILD_DIR}/deps/xcb-util-xrm
 
 install:
+  - DEPS_DIR="${TRAVIS_BUILD_DIR}/deps"
+  - mkdir -p "${DEPS_DIR}" && cd "${DEPS_DIR}"
   - source ${TRAVIS_BUILD_DIR}/common/travis/environment.sh
   - source ${TRAVIS_BUILD_DIR}/common/travis/install_xcb_xrm.sh
   - source ${TRAVIS_BUILD_DIR}/common/travis/install_cmake.sh

common/travis/environment.sh

@@ -1,10 +1,4 @@
 #!/bin/bash
-export DEPS_DIR="${TRAVIS_BUILD_DIR}/deps"
-export LLVM_ROOT="${DEPS_DIR}/llvm-${LLVM_VERSION}"
-
-mkdir -p "${DEPS_DIR}"
-mkdir -p "${LLVM_ROOT}"
-
 # Update compiler flags
 if [ "${CXX:0:7}" = "clang++" ]; then
   export CXX="clang++-3.8"

common/travis/install_cmake.sh

@@ -1,8 +1,7 @@
 #!/bin/bash
 if [ -z "$(ls -A "${DEPS_DIR}/cmake/bin" 2>/dev/null)" ]; then
-  mkdir -p "${DEPS_DIR}/cmake"
-  cd "${DEPS_DIR}/cmake" || exit 1
-  travis_retry wget --no-check-certificate -O - "${CMAKE_URL}" | tar --strip-components=1 -xz
+  mkdir -p "cmake"
+  travis_retry wget --no-check-certificate -O - "${CMAKE_URL}" | tar --strip-components=1 -xz -C cmake
 fi
 
 export PATH="${DEPS_DIR}/cmake/bin:${PATH}"

common/travis/install_libcpp.sh

@@ -1,5 +1,7 @@
 #!/bin/bash
 if [ "${CXX:0:7}" = "clang++" ]; then
+  LLVM_ROOT="${DEPS_DIR}/llvm-${LLVM_VERSION}"
+
   if [ -z "$(ls -A "${LLVM_ROOT}/install/include" 2>/dev/null)" ]; then
     mkdir -p "${LLVM_ROOT}" "${LLVM_ROOT}/build" "${LLVM_ROOT}/projects/libcxx" "${LLVM_ROOT}/projects/libcxxabi"
 

common/travis/install_xcb_xrm.sh

@@ -1,9 +1,9 @@
 #!/bin/bash
 if [ -z "$(ls -A "${DEPS_DIR}/xcb-util-xrm" 2>/dev/null)" ]; then
-  cd "${DEPS_DIR}" || exit 1
   git clone --recursive https://github.com/Airblader/xcb-util-xrm
-  cd xcb-util-xrm || exit 1
-  ./autogen.sh --prefix=/usr --libdir=/usr/lib
-  make
-  sudo make install
+  cd xcb-util-xrm && {
+    ./autogen.sh --prefix=/usr --libdir=/usr/lib
+    make
+    sudo make install
+  }
 fi