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klish / aux_scripts / install-sh @ b81ff592

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#!/bin/sh
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# install - install a program, script, or datafile
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scriptversion=2011-11-20.07; # UTC
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# This originates from X11R5 (mit/util/scripts/install.sh), which was
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# later released in X11R6 (xc/config/util/install.sh) with the
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# following copyright and license.
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#
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# Copyright (C) 1994 X Consortium
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to
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# deal in the Software without restriction, including without limitation the
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# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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# sell copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
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# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
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# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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# Except as contained in this notice, the name of the X Consortium shall not
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# be used in advertising or otherwise to promote the sale, use or other deal-
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# ings in this Software without prior written authorization from the X Consor-
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# tium.
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#
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#
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# FSF changes to this file are in the public domain.
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#
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# Calling this script install-sh is preferred over install.sh, to prevent
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# 'make' implicit rules from creating a file called install from it
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# when there is no Makefile.
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#
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# This script is compatible with the BSD install script, but was written
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# from scratch.
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nl='
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'
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IFS=" ""	$nl"
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# set DOITPROG to echo to test this script
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# Don't use :- since 4.3BSD and earlier shells don't like it.
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doit=${DOITPROG-}
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if test -z "$doit"; then
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  doit_exec=exec
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else
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  doit_exec=$doit
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fi
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# Put in absolute file names if you don't have them in your path;
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# or use environment vars.
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chgrpprog=${CHGRPPROG-chgrp}
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chmodprog=${CHMODPROG-chmod}
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chownprog=${CHOWNPROG-chown}
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cmpprog=${CMPPROG-cmp}
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cpprog=${CPPROG-cp}
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mkdirprog=${MKDIRPROG-mkdir}
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mvprog=${MVPROG-mv}
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rmprog=${RMPROG-rm}
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stripprog=${STRIPPROG-strip}
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posix_glob='?'
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initialize_posix_glob='
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  test "$posix_glob" != "?" || {
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    if (set -f) 2>/dev/null; then
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      posix_glob=
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    else
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      posix_glob=:
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    fi
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  }
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'
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posix_mkdir=
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# Desired mode of installed file.
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mode=0755
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chgrpcmd=
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chmodcmd=$chmodprog
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chowncmd=
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mvcmd=$mvprog
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rmcmd="$rmprog -f"
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stripcmd=
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src=
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dst=
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dir_arg=
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dst_arg=
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copy_on_change=false
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no_target_directory=
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usage="\
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Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
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   or: $0 [OPTION]... SRCFILES... DIRECTORY
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   or: $0 [OPTION]... -t DIRECTORY SRCFILES...
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   or: $0 [OPTION]... -d DIRECTORIES...
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In the 1st form, copy SRCFILE to DSTFILE.
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In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
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In the 4th, create DIRECTORIES.
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Options:
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     --help     display this help and exit.
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     --version  display version info and exit.
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  -c            (ignored)
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  -C            install only if different (preserve the last data modification time)
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  -d            create directories instead of installing files.
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  -g GROUP      $chgrpprog installed files to GROUP.
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  -m MODE       $chmodprog installed files to MODE.
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  -o USER       $chownprog installed files to USER.
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  -s            $stripprog installed files.
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  -t DIRECTORY  install into DIRECTORY.
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  -T            report an error if DSTFILE is a directory.
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Environment variables override the default commands:
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  CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
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  RMPROG STRIPPROG
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"
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131
while test $# -ne 0; do
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  case $1 in
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    -c) ;;
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    -C) copy_on_change=true;;
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    -d) dir_arg=true;;
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    -g) chgrpcmd="$chgrpprog $2"
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	shift;;
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    --help) echo "$usage"; exit $?;;
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    -m) mode=$2
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	case $mode in
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	  *' '* | *'	'* | *'
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'*	  | *'*'* | *'?'* | *'['*)
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	    echo "$0: invalid mode: $mode" >&2
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	    exit 1;;
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	esac
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	shift;;
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    -o) chowncmd="$chownprog $2"
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	shift;;
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    -s) stripcmd=$stripprog;;
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    -t) dst_arg=$2
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	# Protect names problematic for 'test' and other utilities.
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	case $dst_arg in
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	  -* | [=\(\)!]) dst_arg=./$dst_arg;;
162
	esac
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	shift;;
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    -T) no_target_directory=true;;
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    --version) echo "$0 $scriptversion"; exit $?;;
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    --)	shift
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	break;;
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    -*)	echo "$0: invalid option: $1" >&2
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	exit 1;;
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    *)  break;;
176
  esac
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  shift
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done
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180
if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
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  # When -d is used, all remaining arguments are directories to create.
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  # When -t is used, the destination is already specified.
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  # Otherwise, the last argument is the destination.  Remove it from $@.
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  for arg
185
  do
186
    if test -n "$dst_arg"; then
187
      # $@ is not empty: it contains at least $arg.
188
      set fnord "$@" "$dst_arg"
189
      shift # fnord
190
    fi
191
    shift # arg
192
    dst_arg=$arg
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    # Protect names problematic for 'test' and other utilities.
194
    case $dst_arg in
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      -* | [=\(\)!]) dst_arg=./$dst_arg;;
196
    esac
197
  done
198
fi
199

    
200
if test $# -eq 0; then
201
  if test -z "$dir_arg"; then
202
    echo "$0: no input file specified." >&2
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    exit 1
204
  fi
205
  # It's OK to call 'install-sh -d' without argument.
206
  # This can happen when creating conditional directories.
207
  exit 0
208
fi
209

    
210
if test -z "$dir_arg"; then
211
  do_exit='(exit $ret); exit $ret'
212
  trap "ret=129; $do_exit" 1
213
  trap "ret=130; $do_exit" 2
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  trap "ret=141; $do_exit" 13
215
  trap "ret=143; $do_exit" 15
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217
  # Set umask so as not to create temps with too-generous modes.
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  # However, 'strip' requires both read and write access to temps.
219
  case $mode in
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    # Optimize common cases.
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    *644) cp_umask=133;;
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    *755) cp_umask=22;;
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    *[0-7])
225
      if test -z "$stripcmd"; then
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	u_plus_rw=
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      else
228
	u_plus_rw='% 200'
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      fi
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      cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
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    *)
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      if test -z "$stripcmd"; then
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	u_plus_rw=
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      else
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	u_plus_rw=,u+rw
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      fi
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      cp_umask=$mode$u_plus_rw;;
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  esac
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fi
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for src
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do
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  # Protect names problematic for 'test' and other utilities.
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  case $src in
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    -* | [=\(\)!]) src=./$src;;
246
  esac
247

    
248
  if test -n "$dir_arg"; then
249
    dst=$src
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    dstdir=$dst
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    test -d "$dstdir"
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    dstdir_status=$?
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  else
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255
    # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
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    # might cause directories to be created, which would be especially bad
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    # if $src (and thus $dsttmp) contains '*'.
258
    if test ! -f "$src" && test ! -d "$src"; then
259
      echo "$0: $src does not exist." >&2
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      exit 1
261
    fi
262

    
263
    if test -z "$dst_arg"; then
264
      echo "$0: no destination specified." >&2
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      exit 1
266
    fi
267
    dst=$dst_arg
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269
    # If destination is a directory, append the input filename; won't work
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    # if double slashes aren't ignored.
271
    if test -d "$dst"; then
272
      if test -n "$no_target_directory"; then
273
	echo "$0: $dst_arg: Is a directory" >&2
274
	exit 1
275
      fi
276
      dstdir=$dst
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      dst=$dstdir/`basename "$src"`
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      dstdir_status=0
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    else
280
      # Prefer dirname, but fall back on a substitute if dirname fails.
281
      dstdir=`
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	(dirname "$dst") 2>/dev/null ||
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	expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
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	     X"$dst" : 'X\(//\)[^/]' \| \
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	     X"$dst" : 'X\(//\)$' \| \
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	     X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
287
	echo X"$dst" |
288
	    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
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		   s//\1/
290
		   q
291
		 }
292
		 /^X\(\/\/\)[^/].*/{
293
		   s//\1/
294
		   q
295
		 }
296
		 /^X\(\/\/\)$/{
297
		   s//\1/
298
		   q
299
		 }
300
		 /^X\(\/\).*/{
301
		   s//\1/
302
		   q
303
		 }
304
		 s/.*/./; q'
305
      `
306

    
307
      test -d "$dstdir"
308
      dstdir_status=$?
309
    fi
310
  fi
311

    
312
  obsolete_mkdir_used=false
313

    
314
  if test $dstdir_status != 0; then
315
    case $posix_mkdir in
316
      '')
317
	# Create intermediate dirs using mode 755 as modified by the umask.
318
	# This is like FreeBSD 'install' as of 1997-10-28.
319
	umask=`umask`
320
	case $stripcmd.$umask in
321
	  # Optimize common cases.
322
	  *[2367][2367]) mkdir_umask=$umask;;
323
	  .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
324

    
325
	  *[0-7])
326
	    mkdir_umask=`expr $umask + 22 \
327
	      - $umask % 100 % 40 + $umask % 20 \
328
	      - $umask % 10 % 4 + $umask % 2
329
	    `;;
330
	  *) mkdir_umask=$umask,go-w;;
331
	esac
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333
	# With -d, create the new directory with the user-specified mode.
334
	# Otherwise, rely on $mkdir_umask.
335
	if test -n "$dir_arg"; then
336
	  mkdir_mode=-m$mode
337
	else
338
	  mkdir_mode=
339
	fi
340

    
341
	posix_mkdir=false
342
	case $umask in
343
	  *[123567][0-7][0-7])
344
	    # POSIX mkdir -p sets u+wx bits regardless of umask, which
345
	    # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
346
	    ;;
347
	  *)
348
	    tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
349
	    trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
350

    
351
	    if (umask $mkdir_umask &&
352
		exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
353
	    then
354
	      if test -z "$dir_arg" || {
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		   # Check for POSIX incompatibilities with -m.
356
		   # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
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		   # other-writable bit of parent directory when it shouldn't.
358
		   # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
359
		   ls_ld_tmpdir=`ls -ld "$tmpdir"`
360
		   case $ls_ld_tmpdir in
361
		     d????-?r-*) different_mode=700;;
362
		     d????-?--*) different_mode=755;;
363
		     *) false;;
364
		   esac &&
365
		   $mkdirprog -m$different_mode -p -- "$tmpdir" && {
366
		     ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
367
		     test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
368
		   }
369
		 }
370
	      then posix_mkdir=:
371
	      fi
372
	      rmdir "$tmpdir/d" "$tmpdir"
373
	    else
374
	      # Remove any dirs left behind by ancient mkdir implementations.
375
	      rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
376
	    fi
377
	    trap '' 0;;
378
	esac;;
379
    esac
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381
    if
382
      $posix_mkdir && (
383
	umask $mkdir_umask &&
384
	$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
385
      )
386
    then :
387
    else
388

    
389
      # The umask is ridiculous, or mkdir does not conform to POSIX,
390
      # or it failed possibly due to a race condition.  Create the
391
      # directory the slow way, step by step, checking for races as we go.
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393
      case $dstdir in
394
	/*) prefix='/';;
395
	[-=\(\)!]*) prefix='./';;
396
	*)  prefix='';;
397
      esac
398

    
399
      eval "$initialize_posix_glob"
400

    
401
      oIFS=$IFS
402
      IFS=/
403
      $posix_glob set -f
404
      set fnord $dstdir
405
      shift
406
      $posix_glob set +f
407
      IFS=$oIFS
408

    
409
      prefixes=
410

    
411
      for d
412
      do
413
	test X"$d" = X && continue
414

    
415
	prefix=$prefix$d
416
	if test -d "$prefix"; then
417
	  prefixes=
418
	else
419
	  if $posix_mkdir; then
420
	    (umask=$mkdir_umask &&
421
	     $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
422
	    # Don't fail if two instances are running concurrently.
423
	    test -d "$prefix" || exit 1
424
	  else
425
	    case $prefix in
426
	      *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
427
	      *) qprefix=$prefix;;
428
	    esac
429
	    prefixes="$prefixes '$qprefix'"
430
	  fi
431
	fi
432
	prefix=$prefix/
433
      done
434

    
435
      if test -n "$prefixes"; then
436
	# Don't fail if two instances are running concurrently.
437
	(umask $mkdir_umask &&
438
	 eval "\$doit_exec \$mkdirprog $prefixes") ||
439
	  test -d "$dstdir" || exit 1
440
	obsolete_mkdir_used=true
441
      fi
442
    fi
443
  fi
444

    
445
  if test -n "$dir_arg"; then
446
    { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
447
    { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
448
    { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
449
      test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
450
  else
451

    
452
    # Make a couple of temp file names in the proper directory.
453
    dsttmp=$dstdir/_inst.$$_
454
    rmtmp=$dstdir/_rm.$$_
455

    
456
    # Trap to clean up those temp files at exit.
457
    trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
458

    
459
    # Copy the file name to the temp name.
460
    (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
461

    
462
    # and set any options; do chmod last to preserve setuid bits.
463
    #
464
    # If any of these fail, we abort the whole thing.  If we want to
465
    # ignore errors from any of these, just make sure not to ignore
466
    # errors from the above "$doit $cpprog $src $dsttmp" command.
467
    #
468
    { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
469
    { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
470
    { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
471
    { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
472

    
473
    # If -C, don't bother to copy if it wouldn't change the file.
474
    if $copy_on_change &&
475
       old=`LC_ALL=C ls -dlL "$dst"	2>/dev/null` &&
476
       new=`LC_ALL=C ls -dlL "$dsttmp"	2>/dev/null` &&
477

    
478
       eval "$initialize_posix_glob" &&
479
       $posix_glob set -f &&
480
       set X $old && old=:$2:$4:$5:$6 &&
481
       set X $new && new=:$2:$4:$5:$6 &&
482
       $posix_glob set +f &&
483

    
484
       test "$old" = "$new" &&
485
       $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
486
    then
487
      rm -f "$dsttmp"
488
    else
489
      # Rename the file to the real destination.
490
      $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
491

    
492
      # The rename failed, perhaps because mv can't rename something else
493
      # to itself, or perhaps because mv is so ancient that it does not
494
      # support -f.
495
      {
496
	# Now remove or move aside any old file at destination location.
497
	# We try this two ways since rm can't unlink itself on some
498
	# systems and the destination file might be busy for other
499
	# reasons.  In this case, the final cleanup might fail but the new
500
	# file should still install successfully.
501
	{
502
	  test ! -f "$dst" ||
503
	  $doit $rmcmd -f "$dst" 2>/dev/null ||
504
	  { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
505
	    { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
506
	  } ||
507
	  { echo "$0: cannot unlink or rename $dst" >&2
508
	    (exit 1); exit 1
509
	  }
510
	} &&
511

    
512
	# Now rename the file to the real destination.
513
	$doit $mvcmd "$dsttmp" "$dst"
514
      }
515
    fi || exit 1
516

    
517
    trap '' 0
518
  fi
519
done
520

    
521
# Local variables:
522
# eval: (add-hook 'write-file-hooks 'time-stamp)
523
# time-stamp-start: "scriptversion="
524
# time-stamp-format: "%:y-%02m-%02d.%02H"
525
# time-stamp-time-zone: "UTC"
526
# time-stamp-end: "; # UTC"
527
# End: