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|
#!@KSH@ -p
#
# Either bash or ksh will be ok for this; requires (( )) arithmetic
# (-p above just says to not parse $ENV file; makes it faster for
# those of us who set $ENV)
#
# install files if they have changed by running 'cmp', then 'install'
# as necessary.
#
# Optionally, can append a suffix before last existing suffix (if any)
#
# NOTE
# We avoid using typical install(1M) programs since they have
# large variability across systems and we also need to support ou
# -V option.
# So we just copy and chmod by hand.
#
# $Id$
#
progname=`basename $0`
#progname=${0##*/} # fast basename hack for ksh, bash
USAGE=\
"usage: $progname [ -vmV ] file [ file ... ] dest-directory-or-file
-v -- verbose
-V suffix -- suffix to append to targets (before any . suffix)
eg: -V _g would change 'foo' to 'foo_g' and
'libfoo.a' to 'libfoo_g.a'
-m mode -- mode for new file(s)"
fatal() {
if [ "$1" ]
then
echo $* >&2
fi
echo "$USAGE" 1>&2
exit 1
}
#
# process the options
#
verbose=""
suffix=""
mode=""
while getopts vm:V: OPT
do
case "$OPT" in
v)
verbose="yes";;
V)
eval suffix=$OPTARG;;
m)
mode="$OPTARG";;
*)
fatal
esac
done
shiftcount=`expr $OPTIND - 1`
shift $shiftcount
args=$*
#
# Separate source file(s) from dest directory or file
#
files=""
dest=""
for d in $args
do
files="$files $dest"
dest=$d
done
if [ ! "$files" ] || [ ! "$dest" ]
then
fatal "missing files or invalid destination"
fi
#
# Process the arguments
#
targets=""
for f in $files
do
# leaf=`basename $f`
leaf=${f##*/} # fast basename hack for ksh, bash
target=$dest
if [ -d $dest ]
then
# if we were given a suffix, then add it as appropriate
if [ "$suffix" ]
then
case $f in
*.*)
# leaf=`echo $leaf |
# /bin/sed "s/\([~\.]*\)\.\(.*\)$/\1$suffix.\2/"`
# ksh,bash hack for above sed script
leaf=${leaf%%.*}$suffix.${leaf#*.}
[ "$verbose" = "yes" ] &&
echo "$progname: $f will be installed as $leaf"
;;
*)
leaf=$leaf$suffix;;
esac
fi
target=$target/$leaf
fi
[ ! -r $f ] && fatal "can not read $f"
if cmp -s $f $target
then
[ "$verbose" = "yes" ] && echo "'$f' not newer than '$target'"
else
[ "$verbose" = "yes" ] && echo "rm -f $target"
rm -f $target
echo "cp -p $f $target"
cp -p $f $target || exit 1
targets="$targets $target" # keep list for chmod below
fi
done
if [ "$mode" -a "$targets" ]
then
[ "$verbose" = "yes" ] && echo "chmod $mode $targets"
chmod $mode $targets
fi
exit 0
# Local Variables: ***
# mode:ksh ***
# End: ***
|
