From 5f2387e52baa1693004913afc5edd80e0438e91b Mon Sep 17 00:00:00 2001
From: Owen Walpole <owengithub@gmail.com>
Date: Sat, 29 Jul 2017 23:21:01 -0500
Subject: [PATCH 1/3] silence which output

---
 build.sh      | 2 ++
 writeimage.sh | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/build.sh b/build.sh
index dac91efc6d..68a516cb06 100755
--- a/build.sh
+++ b/build.sh
@@ -13,7 +13,9 @@ cd $(dirname $0)
 basedir=$(pwd)
 osname=$(source $basedir/board/common/overlay/etc/version && echo $os_short_name)
 osversion=$(source $basedir/board/common/overlay/etc/version && echo $os_version)
+exec &> /dev/null
 gzip=$(which pigz || which gzip)
+exec 1>&1 2>&2
 
 if [ "$board" == "all" ]; then
     boards=$(ls $basedir/configs/*_defconfig | grep -v initramfs | grep -oE '\w+_defconfig$' | cut -d '_' -f 1)
diff --git a/writeimage.sh b/writeimage.sh
index 99895df526..8abbd8b5b5 100755
--- a/writeimage.sh
+++ b/writeimage.sh
@@ -76,7 +76,9 @@ if ! [ -f $DISK_IMG ]; then
     exit 1
 fi
 
+exec &> /dev/null
 gunzip=$(which unpigz || which gunzip)
+exec 1>&1 2>&2
 
 if [[ $DISK_IMG == *.gz ]]; then
     msg "decompressing the gzipped image"

From b4c343f1b592c177dfeaa00d8456b0becd140898 Mon Sep 17 00:00:00 2001
From: Owen Walpole <owengithub@gmail.com>
Date: Sun, 30 Jul 2017 12:05:53 -0500
Subject: [PATCH 2/3] make redirection more readable

---
 build.sh | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/build.sh b/build.sh
index 68a516cb06..039a06f983 100755
--- a/build.sh
+++ b/build.sh
@@ -13,9 +13,7 @@ cd $(dirname $0)
 basedir=$(pwd)
 osname=$(source $basedir/board/common/overlay/etc/version && echo $os_short_name)
 osversion=$(source $basedir/board/common/overlay/etc/version && echo $os_version)
-exec &> /dev/null
-gzip=$(which pigz || which gzip)
-exec 1>&1 2>&2
+gzip=$(which pigz 2> /dev/null || which gzip 2> /dev/null)
 
 if [ "$board" == "all" ]; then
     boards=$(ls $basedir/configs/*_defconfig | grep -v initramfs | grep -oE '\w+_defconfig$' | cut -d '_' -f 1)

From 2ec01b758940f0fdee3a7cfc435e7cf5ffe35d12 Mon Sep 17 00:00:00 2001
From: Owen Walpole <owengithub@gmail.com>
Date: Sun, 30 Jul 2017 12:06:57 -0500
Subject: [PATCH 3/3] make redirection more readable

---
 writeimage.sh | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/writeimage.sh b/writeimage.sh
index 8abbd8b5b5..2bc1793ca8 100755
--- a/writeimage.sh
+++ b/writeimage.sh
@@ -76,9 +76,7 @@ if ! [ -f $DISK_IMG ]; then
     exit 1
 fi
 
-exec &> /dev/null
-gunzip=$(which unpigz || which gunzip)
-exec 1>&1 2>&2
+gunzip=$(which unpigz 2> /dev/null || which gunzip 2> /dev/null)
 
 if [[ $DISK_IMG == *.gz ]]; then
     msg "decompressing the gzipped image"