gecode/install-sh at develop · Gecode/gecode · GitHub

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#!/bin/sh

# install - install a program, script, or datafile

scriptversion=2005-05-14.22

# This originates from X11R5 (mit/util/scripts/install.sh), which was

# later released in X11R6 (xc/config/util/install.sh) with the

# following copyright and license.

# Permission is hereby granted, free of charge, to any person obtaining a copy

# of this software and associated documentation files (the "Software"), to

# deal in the Software without restriction, including without limitation the

# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or

# sell copies of the Software, and to permit persons to whom the Software is

# furnished to do so, subject to the following conditions:

# The above copyright notice and this permission notice shall be included in

# all copies or substantial portions of the Software.

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN

# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-

# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

# Except as contained in this notice, the name of the X Consortium shall not

# be used in advertising or otherwise to promote the sale, use or other deal-

# ings in this Software without prior written authorization from the X Consor-

# tium.

# FSF changes to this file are in the public domain.

# 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. It can only install one file at a time, a restriction

# shared with many OS's install programs.

# 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}"

mkdirprog="${MKDIRPROG-mkdir}"

chmodcmd="$chmodprog 0755"

chowncmd=

chgrpcmd=

stripcmd=

rmcmd="$rmprog -f"

mvcmd="$mvprog"

src=

dst=

dir_arg=

dstarg=

no_target_directory=

usage="Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE

or: $0 [OPTION]... SRCFILES... DIRECTORY

or: $0 [OPTION]... -t DIRECTORY SRCFILES...

or: $0 [OPTION]... -d DIRECTORIES...

In the 1st form, copy SRCFILE to DSTFILE.

In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.

In the 4th, create DIRECTORIES.

Options:

-c (ignored)

-d create directories instead of installing files.

-g GROUP $chgrpprog installed files to GROUP.

-m MODE $chmodprog installed files to MODE.

-o USER $chownprog installed files to USER.

-s $stripprog installed files.

-t DIRECTORY install into DIRECTORY.

-T report an error if DSTFILE is a directory.

--help display this help and exit.

--version display version info and exit.

Environment variables override the default commands:

CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG

while test -n "$1"; do

case $1 in

-c) shift

continue;;

-d) dir_arg=true

shift

continue;;

-g) chgrpcmd="$chgrpprog $2"

shift

continue;;

--help) echo "$usage"; exit $?;;

-m) chmodcmd="$chmodprog $2"

shift

continue;;

-o) chowncmd="$chownprog $2"

shift

continue;;

-s) stripcmd=$stripprog

shift

continue;;

-t) dstarg=$2

shift

continue;;

-T) no_target_directory=true

shift

continue;;

--version) echo "$0 $scriptversion"; exit $?;;

*) # When -d is used, all remaining arguments are directories to create.

# When -t is used, the destination is already specified.

test -n "$dir_arg$dstarg" && break

# Otherwise, the last argument is the destination. Remove it from $@.

for arg

if test -n "$dstarg"; then

# $@ is not empty: it contains at least $arg.

set fnord "$@" "$dstarg"

shift # fnord

shift # arg

dstarg=$arg

done

break;;

esac

done

if test -z "$1"; then

if test -z "$dir_arg"; then

echo "$0: no input file specified." >&2

exit 1

# It's OK to call `install-sh -d' without argument.

# This can happen when creating conditional directories.

exit 0

for src

# Protect names starting with `-'.

case $src in

-*) src=./$src ;;

esac

if test -n "$dir_arg"; then

dst=$src

src=

if test -d "$dst"; then

mkdircmd=:

chmodcmd=

else

mkdircmd=$mkdirprog

else

# Waiting for this to be detected by the "$cpprog $src $dsttmp" command

# might cause directories to be created, which would be especially bad

# if $src (and thus $dsttmp) contains '*'.

if test ! -f "$src" && test ! -d "$src"; then

echo "$0: $src does not exist." >&2

exit 1

if test -z "$dstarg"; then

echo "$0: no destination specified." >&2

exit 1

dst=$dstarg

# Protect names starting with `-'.

case $dst in

-*) dst=./$dst ;;

esac

# If destination is a directory, append the input filename; won't work

# if double slashes aren't ignored.

if test -d "$dst"; then

if test -n "$no_target_directory"; then

echo "$0: $dstarg: Is a directory" >&2

exit 1

dst=$dst/`basename "$src"`

# This sed command emulates the dirname command.

dstdir=`echo "$dst" | sed -e 's,/*$,,;s,[^/]*$,,;s,/*$,,;s,^$,.,'`

# Make sure that the destination directory exists.

# Skip lots of stat calls in the usual case.

if test ! -d "$dstdir"; then

defaultIFS='

IFS="${IFS-$defaultIFS}"

oIFS=$IFS

# Some sh's can't handle IFS=/ for some reason.

IFS='%'

set x `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`

shift

IFS=$oIFS

pathcomp=

while test $# -ne 0 ; do

pathcomp=$pathcomp$1

shift

if test ! -d "$pathcomp"; then

$mkdirprog "$pathcomp"

# mkdir can fail with a `File exist' error in case several

# install-sh are creating the directory concurrently. This

# is OK.

test -d "$pathcomp" || exit

pathcomp=$pathcomp/

done

if test -n "$dir_arg"; then

$doit $mkdircmd "$dst" \

&& { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \

&& { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \

&& { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \

&& { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; }

else

dstfile=`basename "$dst"`

# Make a couple of temp file names in the proper directory.

dsttmp=$dstdir/_inst.$$_

rmtmp=$dstdir/_rm.$$_

# Trap to clean up those temp files at exit.

trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0

trap '(exit $?); exit' 1 2 13 15

# Copy the file name to the temp name.

$doit $cpprog "$src" "$dsttmp" &&

# 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 $cpprog $src $dsttmp" command.

{ test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \

&& { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \

&& { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \

&& { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } &&

# Now rename the file to the real destination.

{ $doit $mvcmd -f "$dsttmp" "$dstdir/$dstfile" 2>/dev/null \

|| {

# The rename failed, perhaps because mv can't rename something else

# to itself, or perhaps because mv is so ancient that it does not

# support -f.

# Now remove or move aside any old file at destination location.

# We try this two ways since rm can't unlink itself on some

# systems and the destination file might be busy for other

# reasons. In this case, the final cleanup might fail but the new

# file should still install successfully.

{

if test -f "$dstdir/$dstfile"; then

$doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \

|| $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \

|| {

echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2

(exit 1); exit 1

}

else

} &&

# Now rename the file to the real destination.

$doit $mvcmd "$dsttmp" "$dstdir/$dstfile"

}

fi || { (exit 1); exit 1; }

done

# The final little trick to "correctly" pass the exit status to the exit trap.

{

(exit 0); exit 0

}

# Local variables:

# eval: (add-hook 'write-file-hooks 'time-stamp)

# time-stamp-start: "scriptversion="

# time-stamp-format: "%:y-%02m-%02d.%02H"

# time-stamp-end: "$"

# End:

gecode/install-sh at develop · Gecode/gecode · GitHub

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