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#!/bin/bash
set -eu
# Setup
cd /tmp
wget -nv --show-progress -c https://www.kernel.org/pub/linux/kernel/v3.0/linux-3.0.tar.gz
DIR1=$(mktemp -d)
DIR2=$(mktemp -d)
gocryptfs -q -init -extpass="echo test" $DIR1
gocryptfs -q -extpass="echo test" -nosyslog $DIR1 $DIR2
cd $DIR2
# Cleanup trap
# Note: gocryptfs may have already umounted itself because bash relays SIGINT
# Just ignore fusermount errors.
trap "cd /; fusermount -u -z $DIR2; rm -rf $DIR1 $DIR2" EXIT
function loop {
# Note: $$ returns the PID of the *parent* shell
mkdir $BASHPID
cd $BASHPID
N=1
while true
do
echo "Process $BASHPID iteration $N: $(date)"
tar xf /tmp/linux-3.0.tar.gz
diff -ur linux-3.0 /tmp/linux-3.0
rm -Rf linux-3.0
let N=$N+1
done
}
loop &
loop &
wait
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