gh-grep

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

# Get extension repository path
extPath="$(dirname "$0")"

# Get latest version
cd "${extPath}" > /dev/null
ver="$(git tag | grep ^v | sort --version-sort | tail -1)"
if [ "${ver}" = "" ]; then
  git fetch --tags > /dev/null 2>&1
  ver="$(git tag | grep ^v | sort --version-sort | tail -1)"
fi
cd - > /dev/null

# Get arch
arch="$(uname -m)"

# Get binary file name
exe="gh-grep" # default
if uname -a | grep Msys > /dev/null; then
  if [ "${arch}" = "x86_64" ]; then
    exe="gh-grep_${ver}_windows_amd64.exe"
  fi
elif uname -a | grep Darwin > /dev/null; then
  if [ "${arch}" = "x86_64" ]; then
    exe="gh-grep_${ver}_darwin_amd64"
  elif [ "${arch}" = "arm64" ]; then
    exe="gh-grep_${ver}_darwin_arm64"
  fi
elif uname -a | grep Linux > /dev/null; then
  if [ "${arch}" = "x86_64" ]; then
    exe="gh-grep_${ver}_linux_amd64"
  elif [ "${arch}" = "arm64" ] || [ "${arch}" = "aarch64" ]; then
    exe="gh-grep_${ver}_linux_arm64"
  fi
fi

# Cleanup bin/ dir
rm -f "${extPath}/bin/*"
mkdir -p "${extPath}/bin"

binPath="${extPath}/bin/${exe}"

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

  exe="cmd.out"

  cd "${extPath}" > /dev/null
  go build -o "${binPath}"
  cd - > /dev/null
else
  # Download release binary
  if [[ ! -x "${binPath}" ]]; then
    if [ "$(which curl)" = "" ]; then
      echo "curl must be installed to use this gh extension on this platform"
      exit 1
    fi
    curl -sL -o "${binPath}" "https://github.com/k1LoW/gh-grep/releases/download/${ver}/${exe}"
  fi
fi
chmod +x "${binPath}"

exec "${binPath}" "$@"