Add helm install script

base/.local/share/buddy-up/includes/utils.sh

@@ -62,8 +62,10 @@ unlink_if_set () {
 
 mkdir_if_missing () {
     dir="$1"
+    sudo=$2
     if [ ! -d "${dir}" ]; then
-        mkdir -p "${dir}"
+        # shellcheck disable=SC2086
+        $sudo mkdir -p "${dir}"
     fi
 }
 
@@ -73,11 +75,7 @@ extract_zip () {
     args="${3}"
     sudo="${4}"
 
-    if [ -d "${dest}" ]; then
-        return
-    fi
-    $sudo mkdir -p "${dest}"
-
+    mkdir_if_missing "${dest}" "${sudo}"
     tmp_dir="$(mktemp -d)"
     zipfile=${tmp_dir}/release.zip
     curl --silent --location --output "${zipfile}" "${url}"
@@ -92,11 +90,7 @@ extract_tarball () {
     args="${3}"
     sudo="${4}"
 
-    if [ -d "${dest}" ]; then
-        return
-    fi
-    $sudo mkdir -p "${dest}"
-
+    mkdir_if_missing "${dest}" "${sudo}"
     tmp_dir="$(mktemp -d)"
     tarball=${tmp_dir}/release.tar.gz
     curl --silent --location --output "${tarball}" "${url}"

hellotech/.local/bin/install-helm-home

@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+
+# shellcheck disable=SC1090
+source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
+
+APP=helm
+VERSION=${VERSION:-3.6.0}
+DEST="${XDG_DATA_HOME}/apps/releases/${APP}"
+
+if [[ ! -d "${DEST}/${VERSION}" ]]; then
+    URL_TAR=https://get.helm.sh/helm-v${VERSION}-$(get_os)-$(get_arch).tar.gz
+    URL_SHA=https://get.helm.sh/helm-v${VERSION}-$(get_os)-$(get_arch).tar.gz.sha256
+
+    DL_DIR="$(mktemp -d)"
+    SHA_PATH=${DL_DIR}/helm.tar.gz.sha256
+    TAR_PATH=${DL_DIR}/helm.tar.gz
+
+    curl --silent --location --output "${SHA_PATH}" "${URL_SHA}"
+    curl --silent --location --output "${TAR_PATH}" "${URL_TAR}"
+
+    if [[ $(cat "${SHA_PATH}") != $(openssl dgst -sha256 "${TAR_PATH}" | sed -e 's/^.* //') ]]; then
+        echo 'checksum does not match'
+        rm -rf "${DL_DIR}"
+        exit 1
+    fi
+
+    mkdir_if_missing "${DEST}/${VERSION}"
+    tar xzf "${TAR_PATH}" --directory "${DEST}/${VERSION}" --strip-component 1
+    rm -rf "${DL_DIR}"
+fi
+
+set_current_link "${DEST}" "${VERSION}"
+unlink_if_set "$XDG_BIN_HOME/${APP}"
+
+cd "$XDG_BIN_HOME" || exit 1
+ln -s "$(relative_path "${XDG_BIN_HOME}" "${DEST}/current/${APP}")" ${APP}
+cd - >/dev/null || exit 1