[bison.git] / config / install-sh

#!/bin/sh
# install - install a program, script, or datafile

scriptversion=2004-02-15.20

# 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.
#
# Copyright (C) 1994 X Consortium
#
# 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}"

transformbasename=
transform_arg=
instcmd="$mvprog"
chmodcmd="$chmodprog 0755"
chowncmd=
chgrpcmd=
stripcmd=
rmcmd="$rmprog -f"
mvcmd="$mvprog"
src=
dst=
dir_arg=

usage="Usage: $0 [OPTION]... SRCFILE DSTFILE
   or: $0 [OPTION]... SRCFILES... DIRECTORY
   or: $0 -d DIRECTORIES...

In the first form, install SRCFILE to DSTFILE, removing SRCFILE by default.
In the second, create the directory path DIR.

Options:
-b=TRANSFORMBASENAME
-c         copy source (using $cpprog) instead of moving (using $mvprog).
-d         create directories instead of installing files.
-g GROUP   $chgrp installed files to GROUP.
-m MODE    $chmod installed files to MODE.
-o USER    $chown installed files to USER.
-s         strip installed files (using $stripprog).
-t=TRANSFORM
--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
    -b=*) transformbasename=`echo $1 | sed 's/-b=//'`
        shift
        continue;;

    -c) instcmd=$cpprog
        shift
        continue;;

    -d) dir_arg=true
        shift
        continue;;

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

    --help) echo "$usage"; exit 0;;

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

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

    -s) stripcmd=$stripprog
        shift
        continue;;

    -t=*) transformarg=`echo $1 | sed 's/-t=//'`
        shift
        continue;;

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

    *)  # When -d is used, all remaining arguments are directories to create.
	test -n "$dir_arg" && break
        # Otherwise, the last argument is the destination.  Remove it from $@.
	for arg
	do
          if test -n "$dstarg"; then
	    # $@ is not empty: it contains at least $arg.
	    set fnord "$@" "$dstarg"
	    shift # fnord
	  fi
	  shift # arg
	  dstarg=$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
  fi
  # It's OK to call `install-sh -d' without argument.
  # This can happen when creating conditional directories.
  exit 0
fi

for src
do
  # Protect names starting with `-'.
  case $src in
    -*) src=./$src ;;
  esac

  if test -n "$dir_arg"; then
    dst=$src
    src=

    if test -d "$dst"; then
      instcmd=:
      chmodcmd=
    else
      instcmd=$mkdirprog
    fi
  else
    # Waiting for this to be detected by the "$instcmd $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
    fi

    if test -z "$dstarg"; then
      echo "$0: no destination specified." >&2
      exit 1
    fi

    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 "$dst"; then
      dst=$dst/`basename "$src"`
    fi
  fi

  # This sed command emulates the dirname command.
  dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;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=$IFS
    # Some sh's can't handle IFS=/ for some reason.
    IFS='%'
    set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
    IFS=$oIFS

    pathcomp=

    while test $# -ne 0 ; do
      pathcomp=$pathcomp$1
      shift
      if test ! -d "$pathcomp"; then
        $mkdirprog "$pathcomp" || lasterr=$?
	# mkdir can fail with a `File exist' error in case several
	# install-sh are creating the directory concurrently.  This
	# is OK.
	test ! -d "$pathcomp" && { (exit ${lasterr-1}); exit; }
      fi
      pathcomp=$pathcomp/
    done
  fi

  if test -n "$dir_arg"; then
    $doit $instcmd "$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
    # If we're going to rename the final executable, determine the name now.
    if test -z "$transformarg"; then
      dstfile=`basename "$dst"`
    else
      dstfile=`basename "$dst" $transformbasename \
               | sed $transformarg`$transformbasename
    fi

    # don't allow the sed command to completely eliminate the filename.
    test -z "$dstfile" && dstfile=`basename "$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 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0
    trap '(exit $?); exit' 1 2 13 15

    # 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 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 $dsttmp" command.
    #
    { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \
      && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \
      && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \
      && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } &&

    # Now 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
        }
      else
        :
      fi
    } &&

    # Now rename the file to the real destination.
    $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
  fi || { (exit 1); exit; }
done

# The final little trick to "correctly" pass the exit status to the exit trap.
{
  (exit 0); exit
}

# 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:
Commit	Line	Data
b99357cd	1	#!/bin/sh
b99357cd	2	# install - install a program, script, or datafile
39910e09	3
584bbcd8	4	scriptversion=2004-02-15.20
39910e09	5
637fa3f8 PE	6	# This originates from X11R5 (mit/util/scripts/install.sh), which was
	7	# later released in X11R6 (xc/config/util/install.sh) with the
	8	# following copyright and license.
	9	#
	10	# Copyright (C) 1994 X Consortium
	11	#
	12	# Permission is hereby granted, free of charge, to any person obtaining a copy
	13	# of this software and associated documentation files (the "Software"), to
	14	# deal in the Software without restriction, including without limitation the
	15	# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
	16	# sell copies of the Software, and to permit persons to whom the Software is
	17	# furnished to do so, subject to the following conditions:
	18	#
	19	# The above copyright notice and this permission notice shall be included in
	20	# all copies or substantial portions of the Software.
	21	#
	22	# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	23	# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	24	# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	25	# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
	26	# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
	27	# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
	28	#
	29	# Except as contained in this notice, the name of the X Consortium shall not
	30	# be used in advertising or otherwise to promote the sale, use or other deal-
	31	# ings in this Software without prior written authorization from the X Consor-
	32	# tium.
	33	#
	34	#
	35	# FSF changes to this file are in the public domain.
b99357cd AD	36	#
	37	# Calling this script install-sh is preferred over install.sh, to prevent
	38	# `make' implicit rules from creating a file called install from it
	39	# when there is no Makefile.
	40	#
	41	# This script is compatible with the BSD install script, but was written
	42	# from scratch. It can only install one file at a time, a restriction
	43	# shared with many OS's install programs.
	44
b99357cd AD	45	# set DOITPROG to echo to test this script
	46
	47	# Don't use :- since 4.3BSD and earlier shells don't like it.
	48	doit="${DOITPROG-}"
	49
b99357cd AD	50	# put in absolute paths if you don't have them in your path; or use env. vars.
	51
	52	mvprog="${MVPROG-mv}"
	53	cpprog="${CPPROG-cp}"
	54	chmodprog="${CHMODPROG-chmod}"
	55	chownprog="${CHOWNPROG-chown}"
	56	chgrpprog="${CHGRPPROG-chgrp}"
	57	stripprog="${STRIPPROG-strip}"
	58	rmprog="${RMPROG-rm}"
	59	mkdirprog="${MKDIRPROG-mkdir}"
	60
39910e09 AD	61	transformbasename=
39910e09 AD	62	transform_arg=
b99357cd AD	63	instcmd="$mvprog"
b99357cd AD	64	chmodcmd="$chmodprog 0755"
39910e09 AD	65	chowncmd=
	66	chgrpcmd=
	67	stripcmd=
b99357cd AD	68	rmcmd="$rmprog -f"
b99357cd AD	69	mvcmd="$mvprog"
39910e09 AD	70	src=
	71	dst=
	72	dir_arg=
	73
	74	usage="Usage: $0 [OPTION]... SRCFILE DSTFILE
0b31edd3 PE	75	or: $0 [OPTION]... SRCFILES... DIRECTORY
0b31edd3 PE	76	or: $0 -d DIRECTORIES...
39910e09 AD	77
	78	In the first form, install SRCFILE to DSTFILE, removing SRCFILE by default.
	79	In the second, create the directory path DIR.
	80
	81	Options:
	82	-b=TRANSFORMBASENAME
	83	-c copy source (using $cpprog) instead of moving (using $mvprog).
	84	-d create directories instead of installing files.
	85	-g GROUP $chgrp installed files to GROUP.
	86	-m MODE $chmod installed files to MODE.
	87	-o USER $chown installed files to USER.
	88	-s strip installed files (using $stripprog).
	89	-t=TRANSFORM
	90	--help display this help and exit.
	91	--version display version info and exit.
	92
	93	Environment variables override the default commands:
	94	CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG
	95	"
	96
	97	while test -n "$1"; do
	98	case $1 in
	99	-b=*) transformbasename=`echo $1 \| sed 's/-b=//'`
	100	shift
	101	continue;;
	102
	103	-c) instcmd=$cpprog
	104	shift
	105	continue;;
	106
	107	-d) dir_arg=true
	108	shift
	109	continue;;
	110
	111	-g) chgrpcmd="$chgrpprog $2"
	112	shift
	113	shift
	114	continue;;
	115
	116	--help) echo "$usage"; exit 0;;
	117
	118	-m) chmodcmd="$chmodprog $2"
	119	shift
	120	shift
	121	continue;;
	122
	123	-o) chowncmd="$chownprog $2"
	124	shift
	125	shift
	126	continue;;
	127
	128	-s) stripcmd=$stripprog
	129	shift
	130	continue;;
	131
	132	-t=*) transformarg=`echo $1 \| sed 's/-t=//'`
	133	shift
	134	continue;;
	135
	136	--version) echo "$0 $scriptversion"; exit 0;;
	137
0b31edd3 PE	138	*) # When -d is used, all remaining arguments are directories to create.
	139	test -n "$dir_arg" && break
	140	# Otherwise, the last argument is the destination. Remove it from $@.
	141	for arg
	142	do
	143	if test -n "$dstarg"; then
	144	# $@ is not empty: it contains at least $arg.
	145	set fnord "$@" "$dstarg"
	146	shift # fnord
	147	fi
	148	shift # arg
	149	dstarg=$arg
	150	done
	151	break;;
39910e09	152	esac
b99357cd AD	153	done
b99357cd AD	154
0b31edd3 PE	155	if test -z "$1"; then
	156	if test -z "$dir_arg"; then
	157	echo "$0: no input file specified." >&2
	158	exit 1
	159	fi
	160	# It's OK to call `install-sh -d' without argument.
	161	# This can happen when creating conditional directories.
	162	exit 0
b99357cd AD	163	fi
b99357cd AD	164
0b31edd3 PE	165	for src
	166	do
	167	# Protect names starting with `-'.
	168	case $src in
	169	-*) src=./$src ;;
	170	esac
28f57d2a	171
0b31edd3 PE	172	if test -n "$dir_arg"; then
	173	dst=$src
	174	src=
dbb95312	175
0b31edd3 PE	176	if test -d "$dst"; then
	177	instcmd=:
	178	chmodcmd=
	179	else
	180	instcmd=$mkdirprog
	181	fi
39910e09	182	else
0b31edd3 PE	183	# Waiting for this to be detected by the "$instcmd $src $dsttmp" command
	184	# might cause directories to be created, which would be especially bad
	185	# if $src (and thus $dsttmp) contains '*'.
	186	if test ! -f "$src" && test ! -d "$src"; then
	187	echo "$0: $src does not exist." >&2
	188	exit 1
	189	fi
39910e09	190
0b31edd3 PE	191	if test -z "$dstarg"; then
	192	echo "$0: no destination specified." >&2
	193	exit 1
	194	fi
39910e09	195
0b31edd3 PE	196	dst=$dstarg
	197	# Protect names starting with `-'.
	198	case $dst in
	199	-*) dst=./$dst ;;
	200	esac
28f57d2a	201
0b31edd3 PE	202	# If destination is a directory, append the input filename; won't work
	203	# if double slashes aren't ignored.
	204	if test -d "$dst"; then
	205	dst=$dst/`basename "$src"`
	206	fi
39910e09	207	fi
b99357cd	208
0b31edd3 PE	209	# This sed command emulates the dirname command.
0b31edd3 PE	210	dstdir=`echo "$dst" \| sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
b99357cd	211
0b31edd3	212	# Make sure that the destination directory exists.
b99357cd	213
0b31edd3 PE	214	# Skip lots of stat calls in the usual case.
	215	if test ! -d "$dstdir"; then
	216	defaultIFS='
584bbcd8	217	'
0b31edd3	218	IFS="${IFS-$defaultIFS}"
39910e09	219
0b31edd3 PE	220	oIFS=$IFS
	221	# Some sh's can't handle IFS=/ for some reason.
	222	IFS='%'
	223	set - `echo "$dstdir" \| sed -e 's@/@%@g' -e 's@^%@/@'`
	224	IFS=$oIFS
39910e09	225
0b31edd3	226	pathcomp=
39910e09	227
0b31edd3 PE	228	while test $# -ne 0 ; do
	229	pathcomp=$pathcomp$1
	230	shift
584bbcd8 PE	231	if test ! -d "$pathcomp"; then
	232	$mkdirprog "$pathcomp" \|\| lasterr=$?
	233	# mkdir can fail with a `File exist' error in case several
	234	# install-sh are creating the directory concurrently. This
	235	# is OK.
	236	test ! -d "$pathcomp" && { (exit ${lasterr-1}); exit; }
	237	fi
0b31edd3 PE	238	pathcomp=$pathcomp/
0b31edd3 PE	239	done
39910e09 AD	240	fi
39910e09 AD	241
0b31edd3 PE	242	if test -n "$dir_arg"; then
	243	$doit $instcmd "$dst" \
	244	&& { test -z "$chowncmd" \|\| $doit $chowncmd "$dst"; } \
	245	&& { test -z "$chgrpcmd" \|\| $doit $chgrpcmd "$dst"; } \
	246	&& { test -z "$stripcmd" \|\| $doit $stripcmd "$dst"; } \
	247	&& { test -z "$chmodcmd" \|\| $doit $chmodcmd "$dst"; }
	248
	249	else
	250	# If we're going to rename the final executable, determine the name now.
	251	if test -z "$transformarg"; then
	252	dstfile=`basename "$dst"`
39910e09	253	else
0b31edd3 PE	254	dstfile=`basename "$dst" $transformbasename \
0b31edd3 PE	255	\| sed $transformarg`$transformbasename
39910e09	256	fi
39910e09	257
0b31edd3 PE	258	# don't allow the sed command to completely eliminate the filename.
	259	test -z "$dstfile" && dstfile=`basename "$dst"`
	260
	261	# Make a couple of temp file names in the proper directory.
	262	dsttmp=$dstdir/_inst.$$_
	263	rmtmp=$dstdir/_rm.$$_
	264
	265	# Trap to clean up those temp files at exit.
	266	trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0
	267	trap '(exit $?); exit' 1 2 13 15
	268
	269	# Move or copy the file name to the temp name
	270	$doit $instcmd "$src" "$dsttmp" &&
	271
	272	# and set any options; do chmod last to preserve setuid bits.
	273	#
	274	# If any of these fail, we abort the whole thing. If we want to
	275	# ignore errors from any of these, just make sure not to ignore
	276	# errors from the above "$doit $instcmd $src $dsttmp" command.
	277	#
	278	{ test -z "$chowncmd" \|\| $doit $chowncmd "$dsttmp"; } \
	279	&& { test -z "$chgrpcmd" \|\| $doit $chgrpcmd "$dsttmp"; } \
	280	&& { test -z "$stripcmd" \|\| $doit $stripcmd "$dsttmp"; } \
	281	&& { test -z "$chmodcmd" \|\| $doit $chmodcmd "$dsttmp"; } &&
	282
	283	# Now remove or move aside any old file at destination location. We
	284	# try this two ways since rm can't unlink itself on some systems and
	285	# the destination file might be busy for other reasons. In this case,
	286	# the final cleanup might fail but the new file should still install
	287	# successfully.
	288	{
	289	if test -f "$dstdir/$dstfile"; then
	290	$doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \
	291	\|\| $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \
	292	\|\| {
584bbcd8 PE	293	echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
584bbcd8 PE	294	(exit 1); exit
0b31edd3 PE	295	}
	296	else
	297	:
	298	fi
	299	} &&
	300
	301	# Now rename the file to the real destination.
	302	$doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
	303	fi \|\| { (exit 1); exit; }
	304	done
b99357cd	305
dbb95312	306	# The final little trick to "correctly" pass the exit status to the exit trap.
dbb95312	307	{
39910e09	308	(exit 0); exit
dbb95312	309	}
39910e09 AD	310
	311	# Local variables:
	312	# eval: (add-hook 'write-file-hooks 'time-stamp)
	313	# time-stamp-start: "scriptversion="
	314	# time-stamp-format: "%:y-%02m-%02d.%02H"
	315	# time-stamp-end: "$"
	316	# End: