update plugin installation

install-binary.sh

@@ -1,133 +1,38 @@
-#!/usr/bin/env bash
 
-# Combination of the Dep and Helm scripts, with technosophos' own tweaks.
+#!/bin/sh -e
 
-PROJECT_NAME="helm-backup"
-PROJECT_GH="maorfr/$PROJECT_NAME"
+# Copied w/ love from the excellent hypnoglow/helm-s3
 
-: ${HELM_PLUGIN_PATH:="$(helm home)/plugins/helm-backup"}
-
-# Convert the HELM_PLUGIN_PATH to unix if cygpath is
-# available. This is the case when using MSYS2 or Cygwin
-# on Windows where helm returns a Windows path but we
-# need a Unix path
-if type cygpath > /dev/null; then
-  HELM_PLUGIN_PATH=$(cygpath -u $HELM_PLUGIN_PATH)
-fi
-
-if [[ $SKIP_BIN_INSTALL == "1" ]]; then
-  echo "Skipping binary install"
-  exit
+if [ -n "${HELM_PUSH_PLUGIN_NO_INSTALL_HOOK}" ]; then
+    echo "Development mode: not downloading versioned release."
+    exit 0
 fi
 
-# initArch discovers the architecture for this system.
-initArch() {
-  ARCH=$(uname -m)
-  case $ARCH in
-    armv5*) ARCH="armv5";;
-    armv6*) ARCH="armv6";;
-    armv7*) ARCH="armv7";;
-    aarch64) ARCH="arm64";;
-    x86) ARCH="386";;
-    x86_64) ARCH="amd64";;
-    i686) ARCH="386";;
-    i386) ARCH="386";;
-  esac
-}
-
-# initOS discovers the operating system for this system.
-initOS() {
-  OS=$(echo `uname`|tr '[:upper:]' '[:lower:]')
-
-  case "$OS" in
-    # Msys support
-    msys*) OS='windows';;
-    # Minimalist GNU for Windows
-    mingw*) OS='windows';;
-    darwin) OS='macos';;
-  esac
-}
-
-# verifySupported checks that the os/arch combination is supported for
-# binary builds.
-verifySupported() {
-  local supported="linux-amd64\nmacos-amd64\nwindows-amd64"
-  if ! echo "${supported}" | grep -q "${OS}-${ARCH}"; then
-    echo "No prebuild binary for ${OS}-${ARCH}."
-    exit 1
-  fi
+version="$(curl -s https://api.github.com/repos/maorfr/helm-backup/releases/latest | awk '/\"tag_name\":/{gsub( /[,\"]/,"", $2); print $2}')"
+echo "Downloading and installing helm-backup ${version} ..."
 
-  if ! type "curl" > /dev/null && ! type "wget" > /dev/null; then
-    echo "Either curl or wget is required"
-    exit 1
-  fi
-}
-
-# getDownloadURL checks the latest available version.
-getDownloadURL() {
-  # Use the GitHub API to find the latest version for this project.
-  local latest_url="https://api.github.com/repos/$PROJECT_GH/releases/latest"
-  if type "curl" > /dev/null; then
-    DOWNLOAD_URL=$(curl -s $latest_url | grep $OS | awk '/\"browser_download_url\":/{gsub( /[,\"]/,"", $2); print $2}')
-  elif type "wget" > /dev/null; then
-    DOWNLOAD_URL=$(wget -q -O - $latest_url | awk '/\"browser_download_url\":/{gsub( /[,\"]/,"", $2); print $2}')
-  fi
-}
-
-# downloadFile downloads the latest binary package and also the checksum
-# for that binary.
-downloadFile() {
-  PLUGIN_TMP_FILE="/tmp/${PROJECT_NAME}.tgz"
-  echo "Downloading $DOWNLOAD_URL"
-  if type "curl" > /dev/null; then
-    curl -L "$DOWNLOAD_URL" -o "$PLUGIN_TMP_FILE"
-  elif type "wget" > /dev/null; then
-    wget -q -O "$PLUGIN_TMP_FILE" "$DOWNLOAD_URL"
-  fi
-}
-
-# installFile verifies the SHA256 for the file, then unpacks and
-# installs it.
-installFile() {
-  HELM_TMP="/tmp/$PROJECT_NAME"
-  mkdir -p "$HELM_TMP"
-  tar xf "$PLUGIN_TMP_FILE" -C "$HELM_TMP"
-  HELM_TMP_BIN="$HELM_TMP/backup"
-  echo "Preparing to install into ${HELM_PLUGIN_PATH}"
-  # Use * to also copy the file withe the exe suffix on Windows
-  cp "$HELM_TMP_BIN"* "$HELM_PLUGIN_PATH"
-}
-
-# fail_trap is executed if an error occurs.
-fail_trap() {
-  result=$?
-  if [ "$result" != "0" ]; then
-    echo "Failed to install $PROJECT_NAME"
-    echo "\tFor support, go to https://github.com/kubernetes/helm."
-  fi
-  exit $result
-}
+url=""
+if [ "$(uname)" = "Darwin" ]; then
+    url="https://github.com/maorfr/helm-backup/releases/download/${version}/helm-backup-macos-${version}.tgz"
+elif [ "$(uname)" = "Linux" ] ; then
+    url="https://github.com/maorfr/helm-backup/releases/download/${version}/helm-backup-linux-${version}.tgz"
+else
+    url="https://github.com/maorfr/helm-backup/releases/download/${version}/helm-backup-windows-${version}.tgz"
+fi
 
-# testVersion tests the installed client to make sure it is working.
-testVersion() {
-  set +e
-  echo "$PROJECT_NAME installed into $HELM_PLUGIN_PATH/$PROJECT_NAME"
-  # To avoid to keep track of the Windows suffix,
-  # call the plugin assuming it is in the PATH
-  PATH=$PATH:$HELM_PLUGIN_PATH
-  backup -h
-  set -e
-}
+echo $url
 
-# Execution
+cd $HELM_PLUGIN_DIR
+mkdir -p "bin"
+mkdir -p "releases/${version}"
 
-#Stop execution on any error
-trap "fail_trap" EXIT
-set -e
-initArch
-initOS
-verifySupported
-getDownloadURL
-downloadFile
-installFile
-testVersion
+# Download with curl if possible.
+if [ -x "$(which curl 2>/dev/null)" ]; then
+    curl -sSL "${url}" -o "releases/${version}.tgz"
+else
+    wget -q "${url}" -O "releases/${version}.tgz"
+fi
+tar xzf "releases/${version}.tgz" -C "releases/${version}"
+mv "releases/${version}/backup" "bin/backup" || \
+    mv "releases/${version}/backup.exe" "bin/backup"
+rm -rf releases

plugin.yaml

@@ -1,8 +1,8 @@
 name: "backup"
-# Version is the version of Helm plus the number of official builds for this plugin
-version: "2.11.0+2"
+version: "0.1.0"
 usage: "backup/restore releases in a namespace to/from a file"
 description: "backup/restore releases in a namespace to/from a file"
-command: "$HELM_PLUGIN_DIR/backup"
+command: "$HELM_PLUGIN_DIR/bin/backup"
 hooks:
   install: "$HELM_PLUGIN_DIR/install-binary.sh"
+  update: "$HELM_PLUGIN_DIR/install-binary.sh"