source: trunk/install-sh

Last change on this file was 2634, checked in by stefan, 2 months ago

eliminate root directory

  • move Clp/* into root
  • Property svn:executable set to *
File size: 15.0 KB
RevLine 
[1563]1#!/bin/sh
2# install - install a program, script, or datafile
3
[2615]4scriptversion=2018-03-11.20; # UTC
[1563]5
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.
36#
37# Calling this script install-sh is preferred over install.sh, to prevent
[2615]38# 'make' implicit rules from creating a file called install from it
[1563]39# when there is no Makefile.
40#
41# This script is compatible with the BSD install script, but was written
[2615]42# from scratch.
[1563]43
[2615]44tab='   '
45nl='
46'
47IFS=" $tab$nl"
[1563]48
[2615]49# Set DOITPROG to "echo" to test this script.
[1563]50
[2615]51doit=${DOITPROG-}
52doit_exec=${doit:-exec}
[1563]53
[2615]54# Put in absolute file names if you don't have them in your path;
55# or use environment vars.
[1563]56
[2615]57chgrpprog=${CHGRPPROG-chgrp}
58chmodprog=${CHMODPROG-chmod}
59chownprog=${CHOWNPROG-chown}
60cmpprog=${CMPPROG-cmp}
61cpprog=${CPPROG-cp}
62mkdirprog=${MKDIRPROG-mkdir}
63mvprog=${MVPROG-mv}
64rmprog=${RMPROG-rm}
65stripprog=${STRIPPROG-strip}
66
67posix_mkdir=
68
69# Desired mode of installed file.
70mode=0755
71
72chgrpcmd=
73chmodcmd=$chmodprog
[1563]74chowncmd=
[2615]75mvcmd=$mvprog
76rmcmd="$rmprog -f"
[1563]77stripcmd=
[2615]78
[1563]79src=
80dst=
81dir_arg=
[2615]82dst_arg=
[1563]83
[2615]84copy_on_change=false
85is_target_a_directory=possibly
86
87usage="\
88Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
[1563]89   or: $0 [OPTION]... SRCFILES... DIRECTORY
90   or: $0 [OPTION]... -t DIRECTORY SRCFILES...
91   or: $0 [OPTION]... -d DIRECTORIES...
92
93In the 1st form, copy SRCFILE to DSTFILE.
94In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
95In the 4th, create DIRECTORIES.
96
97Options:
[2615]98     --help     display this help and exit.
99     --version  display version info and exit.
[1563]100
[2615]101  -c            (ignored)
102  -C            install only if different (preserve the last data modification time)
103  -d            create directories instead of installing files.
104  -g GROUP      $chgrpprog installed files to GROUP.
105  -m MODE       $chmodprog installed files to MODE.
106  -o USER       $chownprog installed files to USER.
107  -s            $stripprog installed files.
108  -t DIRECTORY  install into DIRECTORY.
109  -T            report an error if DSTFILE is a directory.
110
[1563]111Environment variables override the default commands:
[2615]112  CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
113  RMPROG STRIPPROG
[1563]114"
115
[2615]116while test $# -ne 0; do
[1563]117  case $1 in
[2615]118    -c) ;;
[1563]119
[2615]120    -C) copy_on_change=true;;
[1563]121
[2615]122    -d) dir_arg=true;;
123
[1563]124    -g) chgrpcmd="$chgrpprog $2"
[2615]125        shift;;
[1563]126
127    --help) echo "$usage"; exit $?;;
128
[2615]129    -m) mode=$2
130        case $mode in
131          *' '* | *"$tab"* | *"$nl"* | *'*'* | *'?'* | *'['*)
132            echo "$0: invalid mode: $mode" >&2
133            exit 1;;
134        esac
135        shift;;
[1563]136
137    -o) chowncmd="$chownprog $2"
[2615]138        shift;;
[1563]139
[2615]140    -s) stripcmd=$stripprog;;
[1563]141
[2615]142    -t)
143        is_target_a_directory=always
144        dst_arg=$2
145        # Protect names problematic for 'test' and other utilities.
146        case $dst_arg in
147          -* | [=\(\)!]) dst_arg=./$dst_arg;;
148        esac
149        shift;;
[1563]150
[2615]151    -T) is_target_a_directory=never;;
[1563]152
153    --version) echo "$0 $scriptversion"; exit $?;;
154
[2615]155    --) shift
156        break;;
157
158    -*) echo "$0: invalid option: $1" >&2
159        exit 1;;
160
161    *)  break;;
[1563]162  esac
[2615]163  shift
[1563]164done
165
[2615]166# We allow the use of options -d and -T together, by making -d
167# take the precedence; this is for compatibility with GNU install.
168
169if test -n "$dir_arg"; then
170  if test -n "$dst_arg"; then
171    echo "$0: target directory not allowed when installing a directory." >&2
172    exit 1
173  fi
174fi
175
176if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
177  # When -d is used, all remaining arguments are directories to create.
178  # When -t is used, the destination is already specified.
179  # Otherwise, the last argument is the destination.  Remove it from $@.
180  for arg
181  do
182    if test -n "$dst_arg"; then
183      # $@ is not empty: it contains at least $arg.
184      set fnord "$@" "$dst_arg"
185      shift # fnord
186    fi
187    shift # arg
188    dst_arg=$arg
189    # Protect names problematic for 'test' and other utilities.
190    case $dst_arg in
191      -* | [=\(\)!]) dst_arg=./$dst_arg;;
192    esac
193  done
194fi
195
196if test $# -eq 0; then
[1563]197  if test -z "$dir_arg"; then
198    echo "$0: no input file specified." >&2
199    exit 1
200  fi
[2615]201  # It's OK to call 'install-sh -d' without argument.
[1563]202  # This can happen when creating conditional directories.
203  exit 0
204fi
205
[2615]206if test -z "$dir_arg"; then
207  if test $# -gt 1 || test "$is_target_a_directory" = always; then
208    if test ! -d "$dst_arg"; then
209      echo "$0: $dst_arg: Is not a directory." >&2
210      exit 1
211    fi
212  fi
213fi
214
215if test -z "$dir_arg"; then
216  do_exit='(exit $ret); exit $ret'
217  trap "ret=129; $do_exit" 1
218  trap "ret=130; $do_exit" 2
219  trap "ret=141; $do_exit" 13
220  trap "ret=143; $do_exit" 15
221
222  # Set umask so as not to create temps with too-generous modes.
223  # However, 'strip' requires both read and write access to temps.
224  case $mode in
225    # Optimize common cases.
226    *644) cp_umask=133;;
227    *755) cp_umask=22;;
228
229    *[0-7])
230      if test -z "$stripcmd"; then
231        u_plus_rw=
232      else
233        u_plus_rw='% 200'
234      fi
235      cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
236    *)
237      if test -z "$stripcmd"; then
238        u_plus_rw=
239      else
240        u_plus_rw=,u+rw
241      fi
242      cp_umask=$mode$u_plus_rw;;
243  esac
244fi
245
[1563]246for src
247do
[2615]248  # Protect names problematic for 'test' and other utilities.
[1563]249  case $src in
[2615]250    -* | [=\(\)!]) src=./$src;;
[1563]251  esac
252
253  if test -n "$dir_arg"; then
254    dst=$src
[2615]255    dstdir=$dst
256    test -d "$dstdir"
257    dstdir_status=$?
258  else
[1563]259
260    # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
261    # might cause directories to be created, which would be especially bad
262    # if $src (and thus $dsttmp) contains '*'.
263    if test ! -f "$src" && test ! -d "$src"; then
264      echo "$0: $src does not exist." >&2
265      exit 1
266    fi
267
[2615]268    if test -z "$dst_arg"; then
[1563]269      echo "$0: no destination specified." >&2
270      exit 1
271    fi
[2615]272    dst=$dst_arg
[1563]273
[2615]274    # If destination is a directory, append the input filename.
[1563]275    if test -d "$dst"; then
[2615]276      if test "$is_target_a_directory" = never; then
277        echo "$0: $dst_arg: Is a directory" >&2
278        exit 1
[1563]279      fi
[2615]280      dstdir=$dst
281      dstbase=`basename "$src"`
282      case $dst in
283        */) dst=$dst$dstbase;;
284        *)  dst=$dst/$dstbase;;
285      esac
286      dstdir_status=0
287    else
288      dstdir=`dirname "$dst"`
289      test -d "$dstdir"
290      dstdir_status=$?
[1563]291    fi
292  fi
293
[2615]294  case $dstdir in
295    */) dstdirslash=$dstdir;;
296    *)  dstdirslash=$dstdir/;;
297  esac
[1563]298
[2615]299  obsolete_mkdir_used=false
[1563]300
[2615]301  if test $dstdir_status != 0; then
302    case $posix_mkdir in
303      '')
304        # Create intermediate dirs using mode 755 as modified by the umask.
305        # This is like FreeBSD 'install' as of 1997-10-28.
306        umask=`umask`
307        case $stripcmd.$umask in
308          # Optimize common cases.
309          *[2367][2367]) mkdir_umask=$umask;;
310          .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
[1563]311
[2615]312          *[0-7])
313            mkdir_umask=`expr $umask + 22 \
314              - $umask % 100 % 40 + $umask % 20 \
315              - $umask % 10 % 4 + $umask % 2
316            `;;
317          *) mkdir_umask=$umask,go-w;;
318        esac
[1563]319
[2615]320        # With -d, create the new directory with the user-specified mode.
321        # Otherwise, rely on $mkdir_umask.
322        if test -n "$dir_arg"; then
323          mkdir_mode=-m$mode
324        else
325          mkdir_mode=
326        fi
[1563]327
[2615]328        posix_mkdir=false
329        case $umask in
330          *[123567][0-7][0-7])
331            # POSIX mkdir -p sets u+wx bits regardless of umask, which
332            # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
333            ;;
334          *)
335            # Note that $RANDOM variable is not portable (e.g. dash);  Use it
336            # here however when possible just to lower collision chance.
337            tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
338
339            trap 'ret=$?; rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 2>/dev/null; exit $ret' 0
340
341            # Because "mkdir -p" follows existing symlinks and we likely work
342            # directly in world-writeable /tmp, make sure that the '$tmpdir'
343            # directory is successfully created first before we actually test
344            # 'mkdir -p' feature.
345            if (umask $mkdir_umask &&
346                $mkdirprog $mkdir_mode "$tmpdir" &&
347                exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1
348            then
349              if test -z "$dir_arg" || {
350                   # Check for POSIX incompatibilities with -m.
351                   # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
352                   # other-writable bit of parent directory when it shouldn't.
353                   # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
354                   test_tmpdir="$tmpdir/a"
355                   ls_ld_tmpdir=`ls -ld "$test_tmpdir"`
356                   case $ls_ld_tmpdir in
357                     d????-?r-*) different_mode=700;;
358                     d????-?--*) different_mode=755;;
359                     *) false;;
360                   esac &&
361                   $mkdirprog -m$different_mode -p -- "$test_tmpdir" && {
362                     ls_ld_tmpdir_1=`ls -ld "$test_tmpdir"`
363                     test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
364                   }
365                 }
366              then posix_mkdir=:
367              fi
368              rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir"
369            else
370              # Remove any dirs left behind by ancient mkdir implementations.
371              rmdir ./$mkdir_mode ./-p ./-- "$tmpdir" 2>/dev/null
372            fi
373            trap '' 0;;
374        esac;;
375    esac
376
377    if
378      $posix_mkdir && (
379        umask $mkdir_umask &&
380        $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
381      )
382    then :
383    else
384
385      # The umask is ridiculous, or mkdir does not conform to POSIX,
386      # or it failed possibly due to a race condition.  Create the
387      # directory the slow way, step by step, checking for races as we go.
388
389      case $dstdir in
390        /*) prefix='/';;
391        [-=\(\)!]*) prefix='./';;
392        *)  prefix='';;
393      esac
394
395      oIFS=$IFS
396      IFS=/
397      set -f
398      set fnord $dstdir
[1563]399      shift
[2615]400      set +f
401      IFS=$oIFS
402
403      prefixes=
404
405      for d
406      do
407        test X"$d" = X && continue
408
409        prefix=$prefix$d
410        if test -d "$prefix"; then
411          prefixes=
412        else
413          if $posix_mkdir; then
414            (umask=$mkdir_umask &&
415             $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
416            # Don't fail if two instances are running concurrently.
417            test -d "$prefix" || exit 1
418          else
419            case $prefix in
420              *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
421              *) qprefix=$prefix;;
422            esac
423            prefixes="$prefixes '$qprefix'"
424          fi
425        fi
426        prefix=$prefix/
427      done
428
429      if test -n "$prefixes"; then
430        # Don't fail if two instances are running concurrently.
431        (umask $mkdir_umask &&
432         eval "\$doit_exec \$mkdirprog $prefixes") ||
433          test -d "$dstdir" || exit 1
434        obsolete_mkdir_used=true
[1563]435      fi
[2615]436    fi
[1563]437  fi
438
439  if test -n "$dir_arg"; then
[2615]440    { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
441    { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
442    { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
443      test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
[1563]444  else
445
446    # Make a couple of temp file names in the proper directory.
[2615]447    dsttmp=${dstdirslash}_inst.$$_
448    rmtmp=${dstdirslash}_rm.$$_
[1563]449
450    # Trap to clean up those temp files at exit.
451    trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
452
453    # Copy the file name to the temp name.
[2615]454    (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
[1563]455
456    # and set any options; do chmod last to preserve setuid bits.
457    #
458    # If any of these fail, we abort the whole thing.  If we want to
459    # ignore errors from any of these, just make sure not to ignore
460    # errors from the above "$doit $cpprog $src $dsttmp" command.
461    #
[2615]462    { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
463    { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
464    { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
465    { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
[1563]466
[2615]467    # If -C, don't bother to copy if it wouldn't change the file.
468    if $copy_on_change &&
469       old=`LC_ALL=C ls -dlL "$dst"     2>/dev/null` &&
470       new=`LC_ALL=C ls -dlL "$dsttmp"  2>/dev/null` &&
471       set -f &&
472       set X $old && old=:$2:$4:$5:$6 &&
473       set X $new && new=:$2:$4:$5:$6 &&
474       set +f &&
475       test "$old" = "$new" &&
476       $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
477    then
478      rm -f "$dsttmp"
479    else
480      # Rename the file to the real destination.
481      $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
[1563]482
[2615]483      # The rename failed, perhaps because mv can't rename something else
484      # to itself, or perhaps because mv is so ancient that it does not
485      # support -f.
486      {
487        # Now remove or move aside any old file at destination location.
488        # We try this two ways since rm can't unlink itself on some
489        # systems and the destination file might be busy for other
490        # reasons.  In this case, the final cleanup might fail but the new
491        # file should still install successfully.
492        {
493          test ! -f "$dst" ||
494          $doit $rmcmd -f "$dst" 2>/dev/null ||
495          { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
496            { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
497          } ||
498          { echo "$0: cannot unlink or rename $dst" >&2
499            (exit 1); exit 1
500          }
501        } &&
[1563]502
[2615]503        # Now rename the file to the real destination.
504        $doit $mvcmd "$dsttmp" "$dst"
505      }
506    fi || exit 1
507
508    trap '' 0
509  fi
[1563]510done
511
512# Local variables:
[2615]513# eval: (add-hook 'before-save-hook 'time-stamp)
[1563]514# time-stamp-start: "scriptversion="
515# time-stamp-format: "%:y-%02m-%02d.%02H"
[2615]516# time-stamp-time-zone: "UTC0"
517# time-stamp-end: "; # UTC"
[1563]518# End:
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