Possible cheap alternative to check if on non FHS compliant systems. Based on https://github.com/samcoe/gh-repo-explore

gh-something

#!/usr/bin/env bash
set -e

tag="v0.0.4"
repo="samcoe/gh-repo-explore"
extension_path="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
tag_path="${extension_path}/dist/${tag}"
exe="gh-repo-explore"
platform=""
extension=""

determine_platform() {
  local arch
  arch="$(uname -m)"
  if uname -a | grep Msys > /dev/null; then
    extension=".exe"
    if [ "$arch" == "x86_64" ]; then
      platform="windows_amd64"
    elif [ "$arch" == "i686" ]; then
      platform="windows_386"
    elif [ "$arch" == "i386" ]; then
      platform="windows_386"
    fi
  elif uname -a | grep Darwin > /dev/null; then
    if [ "$arch" == "x86_64" ]; then
      platform="darwin_amd64"
    fi
  elif uname -a | grep Linux > /dev/null; then
    if [ "$arch" == "x86_64" ]; then
      platform="linux_amd64"
    elif [ "$arch" == "i686" ]; then
      platform="linux_386"
    elif [ "$arch" == "i386" ]; then
      platform="linux_386"
    fi
  fi
}

download_latest_release() {
  mkdir -p "${tag_path}"
  gh release -R"${repo}" download "${tag}" --pattern "*${platform}*" --dir="${tag_path}"
  mv "${tag_path}/${exe}_${tag}_${platform}${extension}" "${tag_path}/${exe}"
  chmod +x "${tag_path}/${exe}"
}

build() {
  mkdir -p "${tag_path}"
  pushd "${extension_path}" > /dev/null
  go build -o "${tag_path}/${exe}"
  popd > /dev/null
}

if [ ! -e "${tag_path}/${exe}" ]; then
  determine_platform

  if [ "${platform}" == "" ]; then
    if [ "$(which go)" == "" ]; then
      echo "go must be installed to use this gh extension on this platform"
      exit 1
    fi

    build
  # elif [[ `uname -a` =~ 'NixOS' ]]; then
  elif [[ `command -v /bin/bash` == "" ]]; then
    build
  else
    if [ ! -d "${tag_path}" ]; then
      download_latest_release
    fi
  fi
fi

exec "${tag_path}/${exe}" "$@"