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#!/bin/sh
# Fake the system time
dat="$1"
static=0
if [ "$dat" = "-s" -o "$dat" = "--static" ] ; then
static=1
shift
dat="$1"
fi
if [ "$dat" = "-v" -o "$dat" = "--version" ] ; then
echo "$0: Version @VERSION@"
echo ""
echo "For usage information, use '$0 --help'."
exit 0
fi
if [ -z "$dat" -o "$dat" = "-h" -o "$dat" = "-?" -o "$dat" = "--help" ] ; then
echo "Usage: $0 [-s|--static] date program args..."
echo ""
echo "Run 'program' with 'args'."
echo "The program will believe that the current time is 'date'."
if [ -z "$dat" ] ; then exit 1; else exit 0; fi
fi
shift
# Assume that 'date' already printed an error message
sec1=$(date -d "$dat" '+%s')
if [ $? -ne 0 ] ; then exit 1 ; fi
sec2=$(expr $(date '+%s') - $sec1)
if [ $? -ne 0 ] ; then exit 1 ; fi
export LD_PRELOAD="${LD_PRELOAD}${LD_PRELOAD:+:}/usr/lib/datefudge/datefudge.so"
if [ "$static" = "1" ]; then
export DATEFUDGE=$sec1
export DATEFUDGE_DOSTATIC="1"
else
export DATEFUDGE=$sec2
unset DATEFUDGE_DOSTATIC
fi
exec "$@"
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