gvm/bin/gvm-use

#!/bin/bash
if [[ $1 == "use" ]]; then
  if [[ -n $2 ]]; then
    fuzzy_match=`ls $GVM_ROOT/gos | grep "$2"`
    if [[ $? != 0 ]]; then
      echo "Invalid version $2"
      exit 1
    fi
    if [ -d $GVM_ROOT/gos/$fuzzy_match ]; then
      rm -f $GVM_ROOT/go
      ln -s $GVM_ROOT/gos/$fuzzy_match $GVM_ROOT/go
      rm -f $GVM_ROOT/pkgs
      ln -s $GVM_ROOT/pkgsets/$fuzzy_match/default $GVM_ROOT/pkgs
    else
      echo "Invalid version $2"
      exit 1
    fi
  else
    echo "ERROR: Please specifiy the version"
    exit 1
  fi
  echo "Now using version $fuzzy_match"
  exit 0
else
  echo "Please use gvm [action] to call this file"
  exit 1
fi