From db62822a42c77272c1c768d1c22367a1dae6bcfc Mon Sep 17 00:00:00 2001
From: framp <framp@linux-tips-and-tricks.de>
Date: Sun, 19 Aug 2018 22:05:28 +0200
Subject: [PATCH] Removed some checks

---
 pishrink.sh | 25 ++++---------------------
 1 file changed, 4 insertions(+), 21 deletions(-)

diff --git a/pishrink.sh b/pishrink.sh
index 1294aad..3a4481a 100755
--- a/pishrink.sh
+++ b/pishrink.sh
@@ -107,29 +107,11 @@ trap cleanup ERR EXIT
 #Gather info
 info "Gatherin data"
 beforesize=$(ls -lh "$img" | cut -d ' ' -f 5)
-logVariables $LINENO beforesize
-if ! parted_output=$(parted -ms "$img" unit B print); then
-	rc=$?
-	error $LINENO "parted failed with rc $rc"
-	exit -6
-fi
-parted_output=$(tail -n 1 <<< $parted_output)
-logVariables $LINENO parted_output
-
+parted_output=$(parted -ms "$img" unit B print | tail -n 1)
 partnum=$(echo "$parted_output" | cut -d ':' -f 1)
 partstart=$(echo "$parted_output" | cut -d ':' -f 2 | tr -d 'B')
-logVariables $LINENO partnum partstart
-
-info "Mounting image"
-if ! loopback=$(losetup -f --show -o $partstart "$img"); then
-	rc=$?
-	error $LINENO "losetup failed with rc $rc"
-	exit -7
-fi
-if ! tune2fs_output=$(tune2fs -l "$loopback"); then
-	error $LINENO "tunefs failed"
-	exit -8
-fi
+loopback=$(losetup -f --show -o $partstart "$img")
+tune2fs_output=$(tune2fs -l "$loopback")
 currentsize=$(echo "$tune2fs_output" | grep '^Block count:' | tr -d ' ' | cut -d ':' -f 2)
 blocksize=$(echo "$tune2fs_output" | grep '^Block size:' | tr -d ' ' | cut -d ':' -f 2)
 
@@ -285,6 +267,7 @@ if ! truncate -s $endresult "$img"; then
 	rc=$?
 	error $LINENO "trunate failed with rc $rc"
 	exit -16
+fi
 
 aftersize=$(ls -lh "$img" | cut -d ' ' -f 5)
 logVariables $LINENO aftersize