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="$WEBI_TMP"
  24
  25 #########
  26 # BEGIN #
  27 #########
  28
  29 get_flutter_version() {
  30   my_char="."
  31   my_count=$(awk -F"${my_char}" '{print NF-1}' <<< "${FLUTTER_VER}")
  32   # get the latest version if partial
  33   if [ $my_count -ne 2 ]; then
  34     if [ "$FLUTTER_VER" != "v" ]; then
  35       FLUTTER_VER="$FLUTTER_VER\\."
  36     fi
  37     get_http=""
  38     if [ -n "$(type -p curl)" ]; then
  39       get_http="curl -fsL"
  40     elif [ -n "$(type -p wget)" ]; then
  41       get_http="wget --quiet -O -"
  42     else
  43       echo "Found neither 'curl' nor 'wget'. Can't Continue."
  44       exit 1
  45     fi
  46   fi
  47   FLUTTER_PATH=$($get_http "https://storage.googleapis.com/flutter_infra/releases/releases_${FLUTTER_OS}.json" | grep ${FLUTTER_OS} | grep ${FLUTTER_VER} | grep stable | head -n 1 | cut -d '"' -f 4) \
  48         || echo 'error automatically determining current Flutter version'
  49   FLUTTER_VER=$(echo $FLUTTER_PATH | sed 's/.*flutter_.*_v//' | sed 's/-stable.*//')
  50 }
  51
  52 get_flutter_version
  53
  54 #
  55 # flutter
  56 #
  57 flutter_install_path=$HOME/.local/opt/flutter_${FLUTTER_VER}
  58 mkdir -p "$flutter_install_path"
  59
  60 # TODO warn if existing flutter in path my take precedence
  61 if [ -e "$flutter_install_path/bin/flutter" ]; then
  62   # flutter of some version is already installed
  63   if [ "${FLUTTER_VER}" == "$($flutter_install_path/bin/flutter --version | head -n 1 | cut -d ' ' -f2 2>/dev/null)" ]; then
  64     echo flutter_${FLUTTER_VER} already installed at $flutter_install_path
  65     exit 0
  66   fi
  67 fi
  68
  69 # flutter_linux_v0.9.0-dev # flutter_linux_v0.9.0-dev.tar.xz
  70 FLUTTER_PRE="flutter_${FLUTTER_OS}_${FLUTTER_VER}-stable"
  71 FLUTTER_REMOTE="https://storage.googleapis.com/flutter_infra/releases/${FLUTTER_PATH}"
  72 FLUTTER_LOCAL="$my_tmp/${FLUTTER_PRE}.${EXT}"
  73 FLUTTER_UNTAR="$my_tmp/${FLUTTER_PRE}"
  74
  75 if [ -n "$(command -v curl 2>/dev/null | grep curl)" ]; then
  76   curl -fSL ${FLUTTER_REMOTE} -o ${FLUTTER_LOCAL} || echo 'error downloading flutter'
  77 elif [ -n "$(command -v wget 2>/dev/null | grep wget)" ]; then
  78   wget ${FLUTTER_REMOTE} -O ${FLUTTER_LOCAL} || echo 'error downloading flutter'
  79 else
  80   echo "'wget' and 'curl' are missing. Please run the following command and try again"
  81   echo "    sudo apt-get install --yes curl wget"
  82   exit 1
  83 fi
  84
  85 mkdir -p ${FLUTTER_UNTAR}/
  86 # --strip-components isn't portable, switch to portable version by performing move step after untar
  87 if [ "zip" == "$EXT" ]; then
  88   pushd ${FLUTTER_UNTAR}/
  89     unzip ${FLUTTER_LOCAL}
  90   popd
  91 else
  92   tar xf ${FLUTTER_LOCAL} -C ${FLUTTER_UNTAR}/ #--strip-components=1
  93 fi
  94 if [ -n "$(command -v rsync 2>/dev/null | grep rsync)" ]; then
  95   echo rsync -Krl "${FLUTTER_UNTAR}"/flutter/ "$flutter_install_path/"
  96   rsync -Krl "${FLUTTER_UNTAR}/flutter/" "$flutter_install_path/"
  97 else
  98   echo cp -Hr "${FLUTTER_UNTAR}/"flutter/* "${FLUTTER_UNTAR}/"flutter/.* "$flutter_install_path/"
  99   cp -Hr "${FLUTTER_UNTAR}/"flutter/* "${FLUTTER_UNTAR}/"flutter/.* "$flutter_install_path/"
 100 fi
 101 rm -rf "${FLUTTER_UNTAR}"
 102
 103 #######
 104 # END #
 105 #######
 106
 107 # TODO add more than one at a time
 108 pathman add $flutter_install_path/bin