Go wrapper script

go

#!/bin/sh
#
# Forwarding utility for go.
# Puts any directory with a .go-root file into the GOPATH then launches go.
#
# Assumes you have a go binary already in your path.
#
# Depends on:
# https://github.com/nilium/gopath
# https://github.com/nilium/realpath
#

export GOPATH="`gopath -to-root "$(realpath .)"`"


GOBIN="$(which -a go | sed -e '2q;d')"
debugging=

# check for gopath args
while [[ 1 ]] ; do
  case "$1" in
  "--go-bin-path")
    GOBIN="$2"
    shift; shift
    continue
    ;;
  "--echo-gopath"|"-echo-gopath")
    debugging=1
    echo "$GOPATH"
    shift
    continue
    ;;
  "--echo-gobin"|"-echo-gobin")
    debugging=1
    echo "$GOBIN"
    shift
    continue
    ;;
  esac
  break
done

if [[ -n $debugging ]] ; then
        exit 0
fi

if [[ -x "$GOBIN" && "$GOBIN" != "$0" ]] ; then
  "$GOBIN" "$@"
else
  echo "No valid 'go' executable in PATH -- tried '$GOBIN'" 1>&2
  exit 1
fi

# vim: set ts=4 sw=4 et :