Update init.sh on win

scripts/init.sh

@@ -9,8 +9,14 @@ source "$BASE_DIR/common/echo.sh"
 source "$BASE_DIR/common/detect.sh"
 source "$BASE_DIR/common/host.sh"
 
+PYTHON="python"
+if [ "$HOST_OS" = "Win" ]; then
+  # default python on MSYS
+  PYTHON="python2"
+fi
+
 _detect curl
-_detect python
+_detect $PYTHON
 
 _install_deps() {
   _cmd="$1"; shift; _deps_all=($@)
@@ -56,7 +62,36 @@ elif [ "$HOST_OS" = "Mac" ]; then
   # link clang-format-diff (if not compatible with Python 3, fix it by yourself)
   [ -f "/usr/local/bin/clang-format-diff" ] || \
     ln -s /usr/local/share/clang/clang-format-diff.py /usr/local/bin/clang-format-diff
-# elif [ "$HOST_OS" = "Win" ]; then
+elif [ "$HOST_OS" = "Win" ]; then
+  # detect pacman on MSYS
+  _detect pacman
+  # pacman install (common)
+  _install_deps "pacman -S" git clang-format
+  if [ "$HOST_NAME" = "MINGW" ]; then
+    # pacman install (MINGW)
+    _deps=()
+    if [ "$HOST_ARCH" = "x64" ]; then
+      _deps+=(mingw-w64-x86_64-toolchain mingw-w64-x86_64-cmake)
+    elif [ "$HOST_ARCH" = "x86" ]; then
+      _deps+=(mingw-w64-i686-toolchain mingw-w64-i686-cmake)
+    else
+      _echo_e "Unknown host arch :("
+      exit 1
+    fi
+    if ! [ ${#_deps[@]} -eq 0 ]; then
+      _echo_d "pacman -S ${_deps[*]}"
+      pacman -S ${_deps[@]}
+    fi
+  else
+    # detect cmake on MSYS
+    _detect cmake
+  fi
+  # update
+  #   pacman -Syu
+  # search
+  #   pacman -Ss make
+  # autoremove
+  #   pacman -Qtdq | pacman -Rs -
 else  # unexpected
   _echo_e "Unknown host os :("
   exit 1
@@ -68,7 +103,7 @@ fi
 if ! _detect_cmd pip; then
   _echo_sn "Install pip"
   [ -f "get-pip.py" ] || curl -O https://bootstrap.pypa.io/get-pip.py
-  $SUDO python get-pip.py
+  $SUDO $PYTHON get-pip.py
 fi
 # pip install
 _echo_d "pip install --upgrade autopep8 cpplint pylint requests"
@@ -77,6 +112,6 @@ $SUDO pip install --upgrade autopep8 cpplint pylint requests
 ## init
 
 _echo_s "Init git hooks"
-python "$ROOT_DIR/tools/linter/init-git-hooks.py"
+$PYTHON "$ROOT_DIR/tools/linter/init-git-hooks.py"
 
 exit 0