From e3ca5c86c620a16a3deb1443674e06650059a24b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gabriel=20G=C3=B3mez=20de=20la=20Torre?=
 <gabriel.gomezdelatorre@hotmail.com>
Date: Sat, 25 Nov 2023 00:42:52 -0500
Subject: [PATCH] add install sh file for multiple cases

---
 install.sh | 262 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 262 insertions(+)
 create mode 100644 install.sh

diff --git a/install.sh b/install.sh
new file mode 100644
index 0000000..6241ace
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,262 @@
+#!/bin/sh
+#this script is a fork from this one https://github.com/golangci/golangci-lint/blob/master/install.sh
+#adapted for shellcheck
+set -e
+
+usage() {
+  this=$1
+  cat <<EOF
+$this: download  binaries for shellcheck
+
+Usage: $this [-b] bindir [-d] [tag]
+  -b sets bindir or installation directory, Defaults to ./bin
+  -d turns on debug logging
+   [tag] is a tag from
+   https://github.com/vscode-shellcheck/shellcheck-binaries/tags
+   If tag is missing, then the latest will be used.
+
+
+EOF
+  exit 2
+}
+
+parse_args() {
+  #BINDIR is ./bin unless set be ENV
+  # over-ridden by flag below
+
+  BINDIR=${BINDIR:-./bin}
+  while getopts "b:dh?x" arg; do
+    case "$arg" in
+      b) BINDIR="$OPTARG" ;;
+      d) log_set_priority 10 ;;
+      h | \?) usage "$0" ;;
+      x) set -x ;;
+    esac
+  done
+  shift $((OPTIND - 1))
+  TAG=$1
+}
+# this function wraps all the destructive operations
+# if a curl|bash cuts off the end of the script due to
+# network, either nothing will happen or will syntax error
+# out preventing half-done work
+execute() {
+  tmpdir=$(mktemp -d)
+  log_debug "downloading files into ${tmpdir}"
+  http_download "${tmpdir}/${TARBALL}" "${TARBALL_URL}"
+  srcdir="${tmpdir}/${NAME}"
+  rm -rf "${srcdir}"
+  (cd "${tmpdir}" && untar "${TARBALL}")
+  test ! -d "${BINDIR}" && install -d "${BINDIR}"
+  if [ "$OS" = "windows" ]; then
+      binexe="shellcheck.exe"
+  else
+      binexe="shellcheck"
+  fi
+  install "${tmpdir}/${binexe}" "${BINDIR}/"
+  log_info "installed ${BINDIR}/${binexe}"
+  rm -rf "${tmpdir}"
+}
+
+tag_to_version() {
+  if [ -z "${TAG}" ]; then
+    log_info "checking GitHub for latest tag"
+  else
+    log_info "checking GitHub for tag '${TAG}'"
+  fi
+  REALTAG=$(github_release "$OWNER/$REPO" "${TAG}") && true
+  if test -z "$REALTAG"; then
+    log_crit "unable to find '${TAG}' - use 'latest' or see https://github.com/${PREFIX}/releases for details"
+    exit 1
+  fi
+  TAG="$REALTAG"
+  VERSION=${TAG}
+}
+
+cat /dev/null <<EOF
+------------------------------------------------------------------------
+https://github.com/client9/shlib - portable posix shell functions
+Public domain - http://unlicense.org
+https://github.com/client9/shlib/blob/master/LICENSE.md
+but credit (and pull requests) appreciated.
+------------------------------------------------------------------------
+EOF
+
+is_command() {
+  command -v "$1" >/dev/null
+}
+echoerr() {
+  echo "$@" 1>&2
+}
+# log_prefix() {
+#   echo "$0"
+# }
+_logp=6
+log_set_priority() {
+  _logp="$1"
+}
+log_priority() {
+  if test -z "$1"; then
+    echo "$_logp"
+    return
+  fi
+  [ "$1" -le "$_logp" ]
+}
+log_tag() {
+  case $1 in
+    0) echo "emerg" ;;
+    1) echo "alert" ;;
+    2) echo "crit" ;;
+    3) echo "err" ;;
+    4) echo "warning" ;;
+    5) echo "notice" ;;
+    6) echo "info" ;;
+    7) echo "debug" ;;
+    *) echo "$1" ;;
+  esac
+}
+log_debug() {
+  log_priority 7 || return 0
+  echoerr "$(log_prefix)" "$(log_tag 7)" "$@"
+}
+log_info() {
+  log_priority 6 || return 0
+  echoerr "$(log_prefix)" "$(log_tag 6)" "$@"
+}
+log_err() {
+  log_priority 3 || return 0
+  echoerr "$(log_prefix)" "$(log_tag 3)" "$@"
+}
+log_crit() {
+  log_priority 2 || return 0
+  echoerr "$(log_prefix)" "$(log_tag 2)" "$@"
+}
+uname_os() {
+  os=$(uname -s | tr '[:upper:]' '[:lower:]')
+  case "$os" in
+    msys*) os="windows" ;;
+    mingw*) os="windows" ;;
+    cygwin*) os="windows" ;;
+    win*) os="windows" ;;
+  esac
+  echo "$os"
+}
+uname_arch() {
+  arch=$(uname -m)
+  echo "${arch}"
+}
+uname_os_check() {
+  os=$(uname_os)
+  case "$os" in
+    darwin) return 0 ;;
+    linux) return 0 ;;
+    windows) return 0 ;;
+  esac
+  log_crit "uname_os_check '$(uname -s)' got converted to '$os' which is not an OS supported by  precompiled binaries, please build it yourself"
+  return 1
+}
+uname_arch_check() {
+  arch=$(uname_arch)
+  case "$arch" in
+    x86_64) return 0 ;;
+    aarch64) return 0 ;;
+    armv6hf) return 0 ;;
+  esac
+  log_crit "uname_arch_check '$(uname -m)' got converted to '$arch' which is not a precompiled binary, please build it yourself"
+  return 1
+}
+untar() {
+  tarball=$1
+  case "${tarball}" in
+    *.tar.gz | *.tgz | *.tar.xz) tar --no-same-owner -xf "${tarball}" ;;
+    *.tar) tar --no-same-owner -xf "${tarball}" ;;
+    *.zip) unzip "${tarball}" ;;
+    *)
+      log_err "untar unknown archive format for ${tarball}"
+      return 1
+      ;;
+  esac
+}
+http_download_curl() {
+  local_file=$1
+  source_url=$2
+  header=$3
+  if [ -z "$header" ]; then
+    code=$(curl -w '%{http_code}' -sL -o "$local_file" "$source_url")
+  else
+    code=$(curl -w '%{http_code}' -sL -H "$header" -o "$local_file" "$source_url")
+  fi
+  if [ "$code" != "200" ]; then
+    log_debug "http_download_curl received HTTP status $code"
+    return 1
+  fi
+  return 0
+}
+http_download_wget() {
+  local_file=$1
+  source_url=$2
+  header=$3
+  if [ -z "$header" ]; then
+    wget -q -O "$local_file" "$source_url"
+  else
+    wget -q --header "$header" -O "$local_file" "$source_url"
+  fi
+}
+http_download() {
+  log_debug "http_download $2"
+  if is_command curl; then
+    http_download_curl "$@"
+    return
+  elif is_command wget; then
+    http_download_wget "$@"
+    return
+  fi
+  log_crit "http_download unable to find wget or curl"
+  return 1
+}
+http_copy() {
+  tmp=$(mktemp)
+  http_download "${tmp}" "$1" "$2" || return 1
+  body=$(cat "$tmp")
+  rm -f "${tmp}"
+  echo "$body"
+}
+github_release() {
+  owner_repo=$1
+  version=$2
+  test -z "$version" && version="latest"
+  giturl="https://github.com/${owner_repo}/releases/${version}"
+  json=$(http_copy "$giturl" "Accept:application/json")
+  test -z "$json" && return 1
+  version=$(echo "$json" | tr -s '\n' ' ' | sed 's/.*"tag_name":"//' | sed 's/".*//')
+  test -z "$version" && return 1
+  echo "$version"
+}
+
+cat /dev/null <<EOF
+------------------------------------------------------------------------
+End of functions from https://github.com/client9/shlib
+------------------------------------------------------------------------
+EOF
+
+OWNER=vscode-shellcheck
+REPO="shellcheck-binaries"
+BINARY=shellcheck
+FORMAT=tar.gz
+OS=$(uname_os)
+ARCH=$(uname_arch)
+PREFIX="$OWNER/$REPO"
+# use in logging routines
+log_prefix() {
+        echo "$PREFIX"
+}
+GITHUB_DOWNLOAD=https://github.com/${OWNER}/${REPO}/releases/download
+uname_os_check "$OS"
+uname_arch_check "$ARCH"
+parse_args "$@"
+tag_to_version
+log_info "found version: ${VERSION} for ${TAG}/${OS}/${ARCH}"
+NAME=${BINARY}-${VERSION}.${OS}.${ARCH}
+TARBALL=${NAME}.${FORMAT}
+TARBALL_URL=${GITHUB_DOWNLOAD}/${TAG}/${TARBALL}
+execute
\ No newline at end of file