go_install_x_from_github.sh 从 github 安装 go x tools

bash go_install_x_from_github.sh

 #!/bin/bash
 set +e
 # set -x
 echo 'GO Utilities: Install golang.org/x from github.com mirrors'
 echo '2019-02-01'

 function echo {
     command '\033[0m'
 }

 function warn {
     command '\033[0m'
 }

 function error {
     command '\033[0m'
 }

 function success {
     command '\033[0m'
 }

 #declare -a TOOLS=(tools net sys crypto text benchmarks image lint sync review perf scratch exp)
 declare -a TOOLS=(tools net sys crypto text benchmarks image lint sync)
 TMPPATH=$(mktemp -d)
 GITHUB_PREFIX=https://github.com/golang
 PARAM_DEPTH1=''
 PARAM_DISABLE_PULL=

  ]]
 do
     case "$1" in
     --help|-h)
         cat <<-EOF
         Usage:
             bash ${##*/} [Parameters]
         Parameters:
             --depth1|-d:        git clone --depth  xxx
             --disable-pull|-f:  Disable git pull
             --help|-h:          show help
         EOF
         exit
         ;;
     --depth1|-d)
         PARAM_DEPTH1=' --depth 1 '
         warn 'Enable depth 1 when git clone.'
         ;;
     --disable-pull|-f)
         PARAM_DISABLE_PULL=
         warn "Disable git pull."
         ;;
     esac
     shift
 done

 if [[ ! -e $GOPATH ]]; then
     error '$GOPATH is not found!'
     exit
 fi
 if [[ ! -e $GOPATH/src/golang.org/x ]]; then
     echo "Creating path $GOPATH/src/golang.org/x"
     mkdir -p $GOPATH/src/golang.org/x
 fi

 for a in ${TOOLS[@]}; do
      ]]; then
         if [[ -e $GOPATH/src/golang.org/x/$a/.git ]]; then
             cd $GOPATH/src/golang.org/x/$a
             git remote -v | grep "$GITHUB_PREFIX" > /dev/null
              ]]; then
                 echo "Pulling $a ..."
                 git pull --no-ff
                  ]]; then
                     echo "Installing $a ..."
                     go install golang.org/x/$a/...
                     [[ $? =  ]] && success 'success' || warn "Install $a failed!"
                 else
                     warn "Pull $a failed!"
                 fi
                 continue
             fi
         fi
     fi

     if [[ ! -e $TMPPATH ]]; then
         echo "Creating temp path $TMPPATH ..."
         mkdir -p $TMPPATH
     fi
     echo "CD $TMPPATH"
     cd $TMPPATH
     echo "Cloning $a ..."
     git clone $PARAM_DEPTH1 https://github.com/golang/${a}.git
      ]]; then
         echo "Moving $a to $GOPATH/src/golang.org/x/$a"
         rm -rf $GOPATH/src/golang.org/x/$a
         mv $a $GOPATH/src/golang.org/x/
          ]]; then
             echo "Installing $a ..."
             go install golang.org/x/$a/...
             [[ $? =  ]] && success 'success' || warn "Install $a failed!"
         else
             warn "Move $a failed!"
         fi
     else
         warn "Clone $a failed!"
     fi
 done

 echo "Removing temp path $TMPPATH ..."
 rm -rf $TMPPATH
 echo 'Done'