From aac47510cabf7fd9caadef223f7c46d673fa449d Mon Sep 17 00:00:00 2001
From: Yann Soubeyrand <yann.soubeyrand@camptocamp.com>
Date: Fri, 28 Feb 2020 10:38:36 +0100
Subject: [PATCH] Add support for sha256sum command

---
 libexec/tfenv-install | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/libexec/tfenv-install b/libexec/tfenv-install
index 33d39b8..1a63bf2 100755
--- a/libexec/tfenv-install
+++ b/libexec/tfenv-install
@@ -102,6 +102,7 @@ esac;
 
 keybase_bin="$(command -v keybase 2>/dev/null)";
 shasum_bin="$(command -v shasum 2>/dev/null)";
+sha256sum_bin="$(command -v sha256sum 2>/dev/null)";
 
 TFENV_REMOTE="${TFENV_REMOTE:-https://releases.hashicorp.com}";
 version_url="${TFENV_REMOTE}/terraform/${version}";
@@ -226,6 +227,13 @@ if [[ -n "${shasum_bin}" && -x "${shasum_bin}" ]]; then
       -c <(grep -F "${tarball_name}" "${shasums_name}") \
       || log 'error' 'SHA256 hash does not match!';
   );
+elif [[ -n "${sha256sum_bin}" && -x "${sha256sum_bin}" ]]; then
+  (
+    cd "${download_tmp}";
+    "${sha256sum_bin}" \
+      -c <(grep -F "${tarball_name}" "${shasums_name}") \
+      || log 'error' 'SHA256 hash does not match!';
+  );
 else
   # Lack of shasum deserves a proper warning
   log 'warn' 'No shasum tool available. Skipping SHA256 hash validation';