From b396ad7cd13cc02015a006326837fbfe279e174c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mislav=20Marohni=C4=87?= <mislav.marohnic@gmail.com>
Date: Tue, 28 Oct 2014 15:28:48 +0100
Subject: [PATCH] Try openssl from Homebrew when calculating SHA-256 checksums

This makes checksums possible on Leopard where `shasum` is unavailable
and system openssl doesn't support `dgst -sha256`.

Fixes #656
---
 bin/ruby-build | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/bin/ruby-build b/bin/ruby-build
index 91513557..37490876 100755
--- a/bin/ruby-build
+++ b/bin/ruby-build
@@ -190,7 +190,8 @@ compute_sha2() {
     output="$(shasum -a 256 -b)" || return 1
     echo "${output% *}"
   elif type openssl &>/dev/null; then
-    output="$(openssl dgst -sha256)" || return 1
+    local openssl="$(command -v "$(brew --prefix openssl 2>/dev/null)"/bin/openssl openssl | head -1)"
+    output="$("$openssl" dgst -sha256 2>/dev/null)" || return 1
     echo "${output##* }"
   elif type sha256sum &>/dev/null; then
     output="$(sha256sum --quiet)" || return 1