libical/install-sh


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#!/bin/sh

#
# install - install a program, script, or datafile
# This comes from X11R5; it is not part of GNU.
#
# $XConsortium: install.sh,v 1.2 89/12/18 14:47:22 jim Exp $
#
# 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.

mvprog="${MVPROG-mv}"
cpprog="${CPPROG-cp}"
chmodprog="${CHMODPROG-chmod}"
chownprog="${CHOWNPROG-chown}"
chgrpprog="${CHGRPPROG-chgrp}"
stripprog="${STRIPPROG-strip}"
rmprog="${RMPROG-rm}"

instcmd="$mvprog"
chmodcmd=""
chowncmd=""
chgrpcmd=""
stripcmd=""
rmcmd="$rmprog -f"
mvcmd="$mvprog"
src=""
dst=""

while [ x"$1" != x ]; do
    case $1 in
    -c) instcmd="$cpprog"
        shift
        continue;;

    -m) chmodcmd="$chmodprog $2"
        shift
        shift
        continue;;

    -o) chowncmd="$chownprog $2"
        shift
        shift
        continue;;

    -g) chgrpcmd="$chgrpprog $2"
        shift
        shift
        continue;;

    -s) stripcmd="$stripprog"
        shift
        continue;;

    *)  if [ x"$src" = x ]
        then
        src=$1
        else
        dst=$1
        fi
        shift
        continue;;
    esac
done

if [ x"$src" = x ]
then
    echo "install:  no input file specified"
    exit 1
fi

if [ x"$dst" = x ]
then
    echo "install:  no destination specified"
    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 $dst ]
then
    dst="$dst"/`basename $src`
fi

# Make a temp file name in the proper directory.

dstdir=`dirname $dst`
dsttmp=$dstdir/#inst.$$#

# Move or copy the file name to the temp name

$doit $instcmd $src $dsttmp

# and set any options; do chmod last to preserve setuid bits

if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; fi
if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; fi
if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; fi
if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; fi

# Now rename the file to the real destination.

$doit $rmcmd $dst
$doit $mvcmd $dsttmp $dst


exit 0