help with packaging go packages in nix

build-go-pkg.sh

#!/usr/bin/env nix-shell
#!nix-shell -i bash -p go go2nix

# little script to help with the stupid go packaging
# cd into the dir where you want to have the `default.nix`

# go package name (e.g. github.com/go/is-stupid)
PACKAGE="$1"
# git upstream link
GIT="$2"
# doesn’t fucking work, because go2nix ignores the checked out rev
REV="$3"

ORIGPWD="$PWD"
TMPD=$(mktemp -d)
GOPATH=$TMPD/go
PKGDIR="$GOPATH/src/$PACKAGE"

mkdir -p "$PKGDIR"
git clone "$GIT" "$PKGDIR"

pushd "$PKGDIR"
go get
go2nix save --output="$ORIGPWD/default.nix" --deps-file="$ORIGPWD/deps.nix"
popd


# GO SUCKS