snapshot of https://github.com/ory/keto.git (master, 2026-09-16; blobs > 131072B omitted)

scripts/install-helpers.sh

@@ -0,0 +1,93 @@
+#!/bin/env bash
+set -euo pipefail
+
+is_command() {
+	command -v "$1" >/dev/null
+}
+uname_os() {
+	os=$(uname -s | tr '[:upper:]' '[:lower:]')
+	case "$os" in
+	cygwin_nt*) os="windows" ;;
+	mingw*) os="windows" ;;
+	msys_nt*) os="windows" ;;
+  darwin) os="osx" ;;
+	esac
+	echo "$os"
+}
+uname_arch() {
+	arch=$(uname -m)
+	case $arch in
+	x86_64) arch="amd64" ;;
+	x86) arch="386" ;;
+	i686) arch="386" ;;
+	i386) arch="386" ;;
+	aarch64) arch="arm64" ;;
+	armv5*) arch="armv5" ;;
+	armv6*) arch="armv6" ;;
+	armv7*) arch="armv7" ;;
+	esac
+	echo ${arch}
+}
+untar() {
+	tarball=$1
+	case "${tarball}" in
+	*.tar.gz | *.tgz) tar --no-same-owner -xzf "${tarball}" ;;
+	*.tar) tar --no-same-owner -xf "${tarball}" ;;
+	*.zip) unzip "${tarball}" ;;
+	*)
+		echo "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=$(curl --retry 7 --retry-connrefused -w '%{http_code}' -sL -o "$local_file" "$source_url")
+	else
+		code=$(curl --retry 7 --retry-connrefused -w '%{http_code}' -sL -H "$header" -o "$local_file" "$source_url")
+	fi
+	if [ "$code" != "200" ]; then
+		echo "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() {
+	echo "downloading $2"
+	if is_command curl; then
+		http_download_curl "$@"
+		return
+	elif is_command wget; then
+		http_download_wget "$@"
+		return
+	fi
+	echo "http_download unable to find wget or curl"
+	return 1
+}
+update_binary_version() {
+  bindir=$1
+  binname=$2
+  version=$3
+  echo "updating binary version to ${version}"
+  echo "${version}" > "${bindir}/.${binname}.version"
+}
+check_binary_version() {
+  bindir=$1
+  binname=$2
+  version=$3
+  echo "checking binary version"
+  [ "$(cat "${bindir}/.${binname}.version")" = "${version}" ]
+}