From e970e0b37b8bd7f246feb3f70c4136418225e434 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 1 Dec 2021 07:15:04 +0100
Subject: Adding upstream version 1.32.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 packaging/makeself/functions.sh | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'packaging/makeself/functions.sh')

diff --git a/packaging/makeself/functions.sh b/packaging/makeself/functions.sh
index 15818d3b2..afc8a9ac9 100755
--- a/packaging/makeself/functions.sh
+++ b/packaging/makeself/functions.sh
@@ -29,13 +29,25 @@ set -euo pipefail
 # -----------------------------------------------------------------------------
 
 fetch() {
-  local dir="${1}" url="${2}"
+  local dir="${1}" url="${2}" sha256="${3}"
   local tar="${dir}.tar.gz"
 
   if [ ! -f "${NETDATA_MAKESELF_PATH}/tmp/${tar}" ]; then
     run wget -O "${NETDATA_MAKESELF_PATH}/tmp/${tar}" "${url}"
   fi
 
+  # Check SHA256 of gzip'd tar file (apparently alpine's sha256sum requires
+  # two empty spaces between the checksum and the file's path)
+  set +e
+  echo "${sha256}  ${NETDATA_MAKESELF_PATH}/tmp/${tar}" | sha256sum -c -s
+  local rc=$?
+  if [ ${rc} -ne 0 ]; then
+      echo >&2 "SHA256 verification of tar file ${tar} failed (rc=${rc})"
+      echo >&2 "expected: ${sha256}, got $(sha256sum "${NETDATA_MAKESELF_PATH}/tmp/${tar}")"
+      exit 1
+  fi
+  set -e
+
   if [ ! -d "${NETDATA_MAKESELF_PATH}/tmp/${dir}" ]; then
     cd "${NETDATA_MAKESELF_PATH}/tmp"
     run tar -zxpf "${tar}"
-- 
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