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|
#!/bin/sh
usage () {
cat - >&2 <<EOF
sdate, never ending September date
usage: sdate [-e|--epoch yyyy-mm] [-c|--covid vv] [-l|--lib sdatelib]
[-h|--help] [-v|--version] [--] [command]
EOF
exit 1
}
# strip /bin/sdate to find install prefix
PREFIX=@prefix@
BINDIR=@bindir@
LIB=lib@sdate_transformed@.so.0
PATHS=@libdir@:${PREFIX}/lib64/libsdate
libfound=no
GETOPTEST=`getopt --version`
case $GETOPTEST in
getopt*) # GNU getopt
TEMP=`getopt -l lib: -l covid: -l epoch: -l version -l help -- +l:f:e:c:s:ub:vh "$@"`
;;
*) # POSIX getopt ?
TEMP=`getopt l:f:e:c:s:ub:vh "$@"`
;;
esac
if test "$?" -ne 0; then
usage
fi
eval set -- "$TEMP"
while test "X$1" != "X--"; do
case "$1" in
-l|--lib)
shift
LIB=`eval echo "$1"`
PATHS=
;;
-e|--epoch)
shift
SDATE_EPOCH="$1"
export SDATE_EPOCH
;;
-c|--covid)
shift
case "$1" in
19)
SDATE_EPOCH="2020-03"
export SDATE_EPOCH
;;
*)
echo "Unknown COVID variant - supported variants are: 19"
exit 1
;;
esac
;;
-v|--version)
echo "sdate version @VERSION@"
exit 0
;;
-h|--help)
usage
;;
esac
shift
done
shift #get rid of the '--'
# make sure the preload is available
if [ -n "$PATHS" ]
then
for dir in `echo $PATHS | sed 's/:/ /g'`
do
if test -r "$dir/$LIB"
then
libfound=yes
fi
done
else
if test -r "$LIB"
then
libfound=yes
fi
fi
if test $libfound = no
then
echo >&2 "sdate: preload library not found in $PATHS, aborting."
exit 1
fi
# Keep other library paths
if test -n "$LD_LIBRARY_PATH"; then
PATHS="$PATHS:$LD_LIBRARY_PATH"
fi
# ...and preloaded libs
if test -n "$LD_PRELOAD"; then
LIB="$LIB $LD_PRELOAD"
fi
if test -z "$*"; then
LD_LIBRARY_PATH="$PATHS" LD_PRELOAD="$LIB" date
RESULT=$?
else
LD_LIBRARY_PATH="$PATHS" LD_PRELOAD="$LIB" "$@"
RESULT=$?
fi
exit $RESULT
|
