NetBSD/external/bsd/file/dist/install-sh

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#!/bin/sh
#
# NetBSD: install-sh.in,v 1.6 2012/01/11 13:07:31 hans Exp
# This script now also installs multiple files, but might choke on installing
# multiple files with spaces in the file names.
#
# install - install a program, script, or datafile
# This comes from X11R5 (mit/util/scripts/install.sh).
#
# Copyright 1991 by the Massachusetts Institute of Technology
#
# Permission to use, copy, modify, distribute, and sell this software and its
# documentation for any purpose is hereby granted without fee, provided that
# the above copyright notice appear in all copies and that both that
# copyright notice and this permission notice appear in supporting
# documentation, and that the name of M.I.T. not be used in advertising or
# publicity pertaining to distribution of the software without specific,
# written prior permission. M.I.T. makes no representations about the
# suitability of this software for any purpose. It is provided "as is"
# without express or implied warranty.
#
# Calling this script install-sh is preferred over install.sh, to prevent
# `make' implicit rules from creating a file called install from it
# when there is no Makefile.
#
# This script is compatible with the BSD install script, but was written
# from scratch.
# set DOITPROG to echo to test this script
# Don't use :- since 4.3BSD and earlier shells don't like it.
doit="${DOITPROG-}"
# put in absolute paths if you don't have them in your path; or use env. vars.
awkprog="${AWKPROG-awk}"
mvprog="${MVPROG-mv}"
cpprog="${CPPROG-cp}"
chmodprog="${CHMODPROG-chmod}"
chownprog="${CHOWNPROG-chown}"
chgrpprog="${CHGRPPROG-chgrp}"
stripprog="${STRIPPROG-strip}"
rmprog="${RMPROG-rm}"
mkdirprog="${MKDIRPROG-mkdir}"
instcmd="$cpprog"
instflags=""
pathcompchmodcmd="$chmodprog 755"
chmodcmd="$chmodprog 755"
chowncmd=""
chgrpcmd=""
stripcmd=""
stripflags=""
rmcmd="$rmprog -f"
mvcmd="$mvprog"
src=""
msrc=""
dst=""
dir_arg=""
suffix=""
suffixfmt=""
while [ x"$1" != x ]; do
case $1 in
-b) suffix=".old"
shift
continue;;
-B) suffixfmt="$2"
shift
shift
continue;;
-c) instcmd="$cpprog"
shift
continue;;
-d) dir_arg=true
shift
continue;;
-m) chmodcmd="$chmodprog $2"
shift
shift
continue;;
-m*)
chmodcmd="$chmodprog ${1#-m}"
shift
continue;;
-o) chowncmd="$chownprog $2"
shift
shift
continue;;
-g) chgrpcmd="$chgrpprog $2"
shift
shift
continue;;
-s) stripcmd="$stripprog"
shift
continue;;
-S) stripcmd="$stripprog"
stripflags="-S $2 $stripflags"
shift
shift
continue;;
-p) instflags="-p"
shift
continue;;
*) if [ x"$msrc" = x ]
then
msrc="$dst"
else
msrc="$msrc $dst"
fi
src="$dst"
dst="$1"
shift
continue;;
esac
done
if [ x"$dir_arg" = x ]
then
dstisfile=""
if [ ! -d "$dst" ]
then
if [ x"$msrc" = x"$src" ]
then
dstisfile=true
else
echo "install: destination is not a directory"
exit 1
fi
fi
else
msrc="$msrc $dst"
fi
if [ x"$msrc" = x ]
then
echo "install: no destination specified"
exit 1
fi
for srcarg in $msrc; do
if [ x"$dir_arg" != x ]; then
dstarg="$srcarg"
else
dstarg="$dst"
# Waiting for this to be detected by the "$instcmd $srcarg $dsttmp" command
# might cause directories to be created, which would be especially bad
# if $src (and thus $dsttmp) contains '*'.
if [ -f "$srcarg" ]
then
doinst="$instcmd $instflags"
elif [ -d "$srcarg" ]
then
echo "install: $srcarg: not a regular file"
exit 1
elif [ "$srcarg" = "/dev/null" ]
then
doinst="$cpprog"
else
echo "install: $srcarg does not exist"
exit 1
fi
# If destination is a directory, append the input filename; if your system
# does not like double slashes in filenames, you may need to add some logic
if [ -d "$dstarg" ]
then
dstarg="$dstarg"/`basename "$srcarg"`
fi
fi
## this sed command emulates the dirname command
dstdir=`echo "$dstarg" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
# Make sure that the destination directory exists.
# this part is taken from Noah Friedman's mkinstalldirs script
# Skip lots of stat calls in the usual case.
if [ ! -d "$dstdir" ]; then
defaultIFS='
'
IFS="${IFS-${defaultIFS}}"
oIFS="${IFS}"
# Some sh's can't handle IFS=/ for some reason.
IFS='%'
set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
IFS="${oIFS}"
pathcomp=''
while [ $# -ne 0 ] ; do
pathcomp="${pathcomp}${1}"
shift
if [ ! -d "${pathcomp}" ] ;
then
$doit $mkdirprog "${pathcomp}"
if [ x"$chowncmd" != x ]; then $doit $chowncmd "${pathcomp}"; else true ; fi &&
if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "${pathcomp}"; else true ; fi &&
if [ x"$pathcompchmodcmd" != x ]; then $doit $pathcompchmodcmd "${pathcomp}"; else true ; fi
else
true
fi
pathcomp="${pathcomp}/"
done
fi
if [ x"$dir_arg" != x ]
then
if [ -d "$dstarg" ]; then
true
else
$doit $mkdirprog "$dstarg" &&
if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dstarg"; else true ; fi &&
if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dstarg"; else true ; fi &&
if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dstarg"; else true ; fi
fi
else
if [ x"$dstisfile" = x ]
then
file=$srcarg
else
file=$dst
fi
dstfile=`basename "$file"`
dstfinal="$dstdir/$dstfile"
# Make a temp file name in the proper directory.
dsttmp=$dstdir/#inst.$$#
# Make a backup file name in the proper directory.
case x$suffixfmt in
*%*) suffix=`echo x |
$awkprog -v bname="$dstfinal" -v fmt="$suffixfmt" '
{ cnt = 0;
do {
sfx = sprintf(fmt, cnt++);
name = bname sfx;
} while (system("test -f " name) == 0);
print sfx; }' -`;;
x) ;;
*) suffix="$suffixfmt";;
esac
dstbackup="$dstfinal$suffix"
# Move or copy the file name to the temp name
$doit $doinst $srcarg "$dsttmp" &&
trap "rm -f ${dsttmp}" 0 &&
# and set any options; do chmod last to preserve setuid bits
# If any of these fail, we abort the whole thing. If we want to
# ignore errors from any of these, just make sure not to ignore
# errors from the above "$doit $instcmd $src $dsttmp" command.
if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp"; else true;fi &&
if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp"; else true;fi &&
if [ x"$stripcmd" != x ]; then $doit $stripcmd $stripflags "$dsttmp"; else true;fi &&
if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; else true;fi &&
# Now rename the file to the real destination.
if [ x"$suffix" != x ] && [ -f "$dstfinal" ]
then
$doit $mvcmd "$dstfinal" "$dstbackup"
else
$doit $rmcmd -f "$dstfinal"
fi &&
$doit $mvcmd "$dsttmp" "$dstfinal"
fi
done &&
exit 0