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development_guide.md

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  • install.sh 6.26 KiB
    #!/bin/bash
    
    { # this ensures the entire script is downloaded #
    
    ucoin_has() {
      type "$1" > /dev/null 2>&1
    }
    
    if [ -z "$UCOIN_DIR" ]; then
      UCOIN_DIR="$HOME/.ucoin"
    fi
    
    ucoin_latest_version() {
      echo "v0.20.0a39"
    }
    
    ucoin_repo_url() {
      echo "https://github.com/ucoin-io/ucoin.git"
    }
    
    ucoin_download() {
      if ucoin_has "curl"; then
        curl -qkL $*
      elif ucoin_has "wget"; then
        # Emulate curl with wget
        ARGS=$(echo "$*" | command sed -e 's/--progress-bar /--progress=bar /' \
                               -e 's/-L //' \
                               -e 's/-I /--server-response /' \
                               -e 's/-s /-q /' \
                               -e 's/-o /-O /' \
                               -e 's/-C - /-c /')
        wget $ARGS
      fi
    }
    
    install_ucoin_from_git() {
    
      local PREVIOUS_PATH
      PREVIOUS_PATH=$PATH
      if [ -d "$UCOIN_DIR/.git" ]; then
        echo "=> ucoin is already installed in $UCOIN_DIR, trying to update using git"
        printf "\r=> "
        cd "$UCOIN_DIR" && (command git fetch 2> /dev/null || {
          echo >&2 "Failed to update ucoin, run 'git fetch' in $UCOIN_DIR yourself." && exit 1
        })
      else
        # Cloning to $UCOIN_DIR
        echo "=> Downloading ucoin from git to '$UCOIN_DIR'"
        printf "\r=> "
        mkdir -p "$UCOIN_DIR"
        command git clone "$(ucoin_repo_url)" "$UCOIN_DIR"
      fi
      cd "$UCOIN_DIR" && command git checkout --quiet $(ucoin_latest_version)
      if [ ! -z "$(cd "$UCOIN_DIR" && git show-ref refs/heads/master)" ]; then
        if git branch --quiet 2>/dev/null; then
          cd "$UCOIN_DIR" && command git branch --quiet -D master >/dev/null 2>&1
        else
          echo >&2 "Your version of git is out of date. Please update it!"
          cd "$UCOIN_DIR" && command git branch -D master >/dev/null 2>&1
        fi
      fi
    
      # Download Nodejs
      local NVER="5.8.0";
      local ARCH="x86"
      local X64=`uname -a | grep "x86_64"`
      local ARM=`uname -a | grep "arm"`
      if [ ! -z "$X64" ]; then
        ARCH="x64"
      fi
      # ARM processors
      if [ ! -z "$ARM" ]; then
        ARCH="`uname -m`"
      fi
      local NODEJS_FILENAME=node-v${NVER}-linux-${ARCH}
      local NODEJS_TARBALL=http://nodejs.org/dist/v${NVER}/${NODEJS_FILENAME}.tar.gz
      local NODEJS_ARCHIVE=$UCOIN_DIR/node.tar.gz
      local NODEJS_EXTRACTED=$UCOIN_DIR/$NODEJS_FILENAME
      if [ ! -d "$UCOIN_DIR/node" ]; then
        echo "=> Downloading '$NODEJS_TARBALL' to '$NODEJS_ARCHIVE'"
        ucoin_download "$NODEJS_TARBALL" -o "$NODEJS_ARCHIVE" || {
          echo >&2 "Failed to download '$NODEJS_TARBALL'"
          return 4
        }
        tar xzf $NODEJS_ARCHIVE || {
          echo >&2 "Failed to extract '$NODEJS_ARCHIVE'"
          return 5
        }
        mv $NODEJS_FILENAME "node" || {
          echo >&2 "Failed to extract '$NODEJS_ARCHIVE'"
          return 6
        }
      fi
    
      # Install uCoin dependencies (NPM modules)
      export PATH=$PATH:$UCOIN_DIR/node/bin/
      npm install -g node-pre-gyp
      export PATH=$PATH:$UCOIN_DIR/node/lib/node_modules/node-pre-gyp/bin/
      npm install
      export PATH=$PREVIOUS_PATH
      return
    }
    
    #
    # Detect profile file if not specified as environment variable
    # (eg: PROFILE=~/.myprofile)
    # The echo'ed path is guaranteed to be an existing file
    # Otherwise, an empty string is returned
    #
    ucoin_detect_profile() {
    
      local DETECTED_PROFILE
      DETECTED_PROFILE=''
      local SHELLTYPE
      SHELLTYPE="$(basename /$SHELL)"
    
      if [ $SHELLTYPE = "bash" ]; then
        if [ -f "$HOME/.bashrc" ]; then
          DETECTED_PROFILE="$HOME/.bashrc"
        elif [ -f "$HOME/.bash_profile" ]; then
          DETECTED_PROFILE="$HOME/.bash_profile"
        fi
      elif [ $SHELLTYPE = "zsh" ]; then
        DETECTED_PROFILE="$HOME/.zshrc"
      fi
    
      if [ -z $DETECTED_PROFILE ]; then
        if [ -f "$PROFILE" ]; then
          DETECTED_PROFILE="$PROFILE"
        elif [ -f "$HOME/.profile" ]; then
          DETECTED_PROFILE="$HOME/.profile"
        elif [ -f "$HOME/.bashrc" ]; then
          DETECTED_PROFILE="$HOME/.bashrc"
        elif [ -f "$HOME/.bash_profile" ]; then
          DETECTED_PROFILE="$HOME/.bash_profile"
        elif [ -f "$HOME/.zshrc" ]; then
          DETECTED_PROFILE="$HOME/.zshrc"
        fi
      fi
    
      if [ ! -z $DETECTED_PROFILE ]; then
        echo "$DETECTED_PROFILE"
      fi
    }
    
    ucoin_do_install() {
    
      # Check required commands
      if ! ucoin_has "git"; then
        echo "=> git is not available. You will likely need to install 'git' package."
        exit 1
      fi
      if ! ucoin_has "curl"; then
        echo "=> curl is not available. You will likely need to install 'curl' package."
        exit 1
      fi
      if ! ucoin_has "make"; then
        echo "=> make is not available. You will likely need to install 'build-essential' package."
        exit 1
      fi
      if ! ucoin_has "g++"; then
        echo "=> g++ is not available. You will likely need to install 'build-essential' package."
        exit 1
      fi
      if ! ucoin_has "python"; then
        echo "=> python is not available. You will likely need to install 'build-essential' package."
        exit 1
      fi
    
      install_ucoin_from_git
    
      echo
    
      local UCOIN_PROFILE
      UCOIN_PROFILE=$(ucoin_detect_profile)
    
      SOURCE_STR="\nexport UCOIN_DIR=\"$UCOIN_DIR\"\n[ -s \"\$UCOIN_DIR/ucoin.sh\" ] && . \"\$UCOIN_DIR/ucoin.sh\"  # This loads ucoin.sh"
    
      if [ -z "$UCOIN_PROFILE" ] ; then
        echo "=> Profile not found. Tried $UCOIN_PROFILE (as defined in \$PROFILE), ~/.bashrc, ~/.bash_profile, ~/.zshrc, and ~/.profile."
        echo "=> Create one of them and run this script again"
        echo "=> Create it (touch $UCOIN_PROFILE) and run this script again"
        echo "   OR"
        echo "=> Append the following lines to the correct file yourself:"
        printf "$SOURCE_STR"
        echo
      else
        if ! command grep -qc '/ucoin.sh' "$UCOIN_PROFILE"; then
          echo "=> Appending source string to $UCOIN_PROFILE"
          printf "$SOURCE_STR\n" >> "$UCOIN_PROFILE"
        else
          echo "=> Source string already in $UCOIN_PROFILE"
        fi
      fi
    
      echo "=> ------------------------------------------------------"
      echo "=> !                                                     !"
      echo "=> ! CLOSE and REOPEN YOUR TERMINAL to start using ucoin !"
      echo "=> !                                                     !"
      echo "=> ------------------------------------------------------"
      ucoin_reset
    }
    
    #
    # Unsets the various functions defined
    # during the execution of the install script
    #
    ucoin_reset() {
      unset -f ucoin_reset ucoin_has ucoin_latest_version \
        ucoin_download install_ucoin_from_git \
        ucoin_detect_profile ucoin_do_install
    }
    
    [ "_$UCOIN_ENV" = "_testing" ] || ucoin_do_install $1
    
    } # this ensures the entire script is downloaded #