From 3c7d1aadfbe558bdee90ff73ff63a721d1db7da5 Mon Sep 17 00:00:00 2001
From: Michael Forney <mforney@mforney.org>
Date: Wed, 15 Apr 2020 18:44:00 -0700
Subject: Allow overriding sha256 command through SHA256SUM

This way, oasis can be bootstrapped on other operating systems by
setting SHA256SUM='shasum -a 256'.
---
 pkg/linux-headers/fetch.sh | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

(limited to 'pkg/linux-headers')

diff --git a/pkg/linux-headers/fetch.sh b/pkg/linux-headers/fetch.sh
index 0fdaa7f5..ad965403 100644
--- a/pkg/linux-headers/fetch.sh
+++ b/pkg/linux-headers/fetch.sh
@@ -1,3 +1,6 @@
+: ${SHA256SUM:=sha256sum}
+: ${PAXREAD:=pax -r}
+
 set -e
 
 dir=$1
@@ -9,14 +12,14 @@ if [ -e src ] ; then
         rm -rf src
 fi
 
-if ! sha256sum -c sha256 2>/dev/null ; then
+if ! $SHA256SUM -c sha256 2>/dev/null ; then
         curl -L -K url -O
-        sha256sum -c sha256
+        $SHA256SUM -c sha256
 fi
 
 read -r _ archive <sha256
 
-xzcat "$archive" | ${PAXREAD:-pax -r} -s ',^[^/]*,src,' \
+xzcat "$archive" | $PAXREAD -s ',^[^/]*,src,' \
 	'linux-*/Makefile' \
 	'linux-*/arch/*/include/uapi' \
 	'linux-*/arch/*/syscalls' \
-- 
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