flutter/flutter.bash

   1 #!/bin/bash
   2
   3 # title: Flutter
   4 # homepage: https://flutter.dev
   5 # tagline: UI Toolkit for mobile, web, and desktop
   6 # description: |
   7 #   Flutter is Google’s UI toolkit for building beautiful, natively compiled applications for mobile, web, and desktop from a single codebase.
   8
   9 set -e
  10 set -u
  11
  12 FLUTTER_VER=${WEBI_VERSION:-}
  13 FLUTTER_VER="${FLUTTER_VER:-v}"
  14 EXT="tar.xz"
  15 FLUTTER_PATH=""
  16
  17 FLUTTER_OS="${WEBI_OS}" # linux or darwin
  18 if [ "darwin" == "$FLUTTER_OS" ]; then
  19   FLUTTER_OS="macos"
  20   EXT="zip"
  21 fi
  22
  23 my_tmp="$WEBI_TMP"
  24 sudo_cmd="$WEBI_SUDO"
  25
  26 #########
  27 # BEGIN #
  28 #########
  29
  30 get_flutter_version() {
  31   my_char="."
  32   my_count=$(awk -F"${my_char}" '{print NF-1}' <<< "${FLUTTER_VER}")
  33   # get the latest version if partial
  34   if [ $my_count -ne 2 ]; then
  35     if [ "$FLUTTER_VER" != "v" ]; then
  36       FLUTTER_VER="$FLUTTER_VER\\."
  37     fi
  38     get_http=""
  39     if [ -n "$(type -p curl)" ]; then
  40       get_http="curl -fsL"
  41     elif [ -n "$(type -p wget)" ]; then
  42       get_http="wget --quiet -O -"
  43     else
  44       echo "Found neither 'curl' nor 'wget'. Can't Continue."
  45       exit 1
  46     fi
  47   fi
  48   FLUTTER_PATH=$($get_http "https://storage.googleapis.com/flutter_infra/releases/releases_${FLUTTER_OS}.json" | grep ${FLUTTER_OS} | grep ${FLUTTER_VER} | grep stable | head -n 1 | cut -d '"' -f 4) \
  49         || echo 'error automatically determining current Flutter version'
  50   FLUTTER_VER=$(echo $FLUTTER_PATH | sed 's/.*flutter_.*_v//' | sed 's/-stable.*//')
  51 }
  52
  53 get_flutter_version
  54
  55 #
  56 # flutter
  57 #
  58 flutter_install_path=$HOME/.local/opt/flutter_${FLUTTER_VER}
  59 mkdir -p "$flutter_install_path"
  60
  61 # TODO warn if existing flutter in path my take precedence
  62 if [ -e "$flutter_install_path/bin/flutter" ]; then
  63   # flutter of some version is already installed
  64   echo "${FLUTTER_VER}" == "$($flutter_install_path/bin/flutter --version)"
  65   if [ "${FLUTTER_VER}" == "$($flutter_install_path/bin/flutter --version | cut -d ' ' -f 3 2>/dev/null)" ]; then
  66     echo ${FLUTTER_VER} already installed at $flutter_install_path
  67     exit 0
  68   fi
  69 fi
  70
  71 # flutter_linux_v0.9.0-dev # flutter_linux_v0.9.0-dev.tar.xz
  72 FLUTTER_PRE="flutter_${FLUTTER_OS}_${FLUTTER_VER}-stable"
  73 FLUTTER_REMOTE="https://storage.googleapis.com/flutter_infra/releases/${FLUTTER_PATH}"
  74 FLUTTER_LOCAL="$my_tmp/${FLUTTER_PRE}.${EXT}"
  75 FLUTTER_UNTAR="$my_tmp/${FLUTTER_PRE}"
  76
  77 if [ -n "$(command -v curl 2>/dev/null | grep curl)" ]; then
  78   curl -fSL ${FLUTTER_REMOTE} -o ${FLUTTER_LOCAL} || echo 'error downloading flutter'
  79 elif [ -n "$(command -v wget 2>/dev/null | grep wget)" ]; then
  80   wget ${FLUTTER_REMOTE} -O ${FLUTTER_LOCAL} || echo 'error downloading flutter'
  81 else
  82   echo "'wget' and 'curl' are missing. Please run the following command and try again"
  83   echo "    sudo apt-get install --yes curl wget"
  84   exit 1
  85 fi
  86
  87 mkdir -p ${FLUTTER_UNTAR}/
  88 # --strip-components isn't portable, switch to portable version by performing move step after untar
  89 if [ "zip" == "$EXT" ]; then
  90   pushd ${FLUTTER_UNTAR}/
  91     unzip ${FLUTTER_LOCAL}
  92   popd
  93 else
  94   tar xf ${FLUTTER_LOCAL} -C ${FLUTTER_UNTAR}/ #--strip-components=1
  95 fi
  96 if [ -n "$(command -v rsync 2>/dev/null | grep rsync)" ]; then
  97   echo $sudo_cmd rsync -Krl "${FLUTTER_UNTAR}"/flutter/ "$flutter_install_path/"
  98   rsync -Krl "${FLUTTER_UNTAR}/" "$flutter_install_path/" 2>/dev/null || $sudo_cmd rsync -Krl "${FLUTTER_UNTAR}/" "$flutter_install_path/"
  99 else
 100   echo $sudo_cmd cp -Hr "${FLUTTER_UNTAR}/"flutter/* "${FLUTTER_UNTAR}/"flutter/.* "$flutter_install_path/"
 101   cp -Hr "${FLUTTER_UNTAR}"/* "$flutter_install_path/" 2>/dev/null || $sudo_cmd cp -Hr "${FLUTTER_UNTAR}"/* "$flutter_install_path/"
 102 fi
 103 rm -rf "${FLUTTER_UNTAR}"
 104
 105 #######
 106 # END #
 107 #######
 108
 109 # TODO add more than one at a time
 110 pathman add $flutter_install_path/bin