postBuild

#!/bin/bash

set -e

GOVERS=1.11.4

mkdir -p \
	$HOME/.local/go/$GOVERS \
	$HOME/go

echo "::: download data"
mkdir -p $HOME/examples/testdata
curl -L http://data.astropy.org/tutorials/FITS-images/HorseHead.fits > $HOME/examples/testdata/HorseHead.fits

echo "::: install Go ${GOVERS}..."
curl -O -L https://golang.org/dl/go${GOVERS}.linux-amd64.tar.gz
tar -C $HOME/.local/go/$GOVERS -zxf go${GOVERS}.linux-amd64.tar.gz
/bin/rm go${GOVERS}.linux-amd64.tar.gz

export GOROOT=$HOME/.local/go/$GOVERS/go
export GOPATH=$HOME/go
export PATH=$GOPATH/bin:$GOROOT/bin:$PATH

## install interesting packages
echo "::: installing gophernotes, go-hep and gonum..."
go get golang.org/x/tools/cmd/goimports
#git clone -b jupyter-display-data https://github.com/sbinet-gonum/ng $GOPATH/src/neugram.io/ng
go get github.com/gopherdata/gophernotes
go get golang.org/x/exp/rand
go get go-hep.org/x/hep/...
go get gonum.org/v1/gonum/...
go get gonum.org/v1/plot/...
go get github.com/astrogo/fitsio
echo "::: installing gophernotes, go-hep and gonum... [done]"

## setup environment for Go

cat >> $HOME/.setup-go << EOF
## setup Go
export GOROOT=$GOROOT
export GOPATH=$GOPATH
export PATH=\$GOPATH/bin:\$GOROOT/bin:\$PATH
EOF

cat >> $HOME/.bashrc << EOF
. ~/.setup-go
EOF

## install the Go kernel
mkdir -p ./binder/gophernotes
cat >| ./binder/gophernotes/kernel.json << EOF
{
    "argv": [
        "$GOPATH/bin/gophernotes",
        "{connection_file}"
    ],
    "display_name": "Go",
    "language": "go",
    "name": "go",
    "env": {
        "GOPATH": "$GOPATH",
        "GOROOT": "$GOROOT",
        "PATH":   "$GOPATH/bin:$GOROOT/bin:$PATH"
        }
}
EOF
jupyter kernelspec install ./binder/gophernotes --user

/bin/rm -rf binder

echo "::: kernel list"
jupyter kernelspec list