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Tina6/tina-libs/install-sh

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  1 #!/bin/sh
  2 # install - install a program, script, or datafile
  3 
  4 scriptversion=2011-11-20.07; # UTC
  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
 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.
 43 
 44 nl='
 45 '
 46 IFS=" ""        $nl"
 47 
 48 # set DOITPROG to echo to test this script
 49 
 50 # Don't use :- since 4.3BSD and earlier shells don't like it.
 51 doit=${DOITPROG-}
 52 if test -z "$doit"; then
 53   doit_exec=exec
 54 else
 55   doit_exec=$doit
 56 fi
 57 
 58 # Put in absolute file names if you don't have them in your path;
 59 # or use environment vars.
 60 
 61 chgrpprog=${CHGRPPROG-chgrp}
 62 chmodprog=${CHMODPROG-chmod}
 63 chownprog=${CHOWNPROG-chown}
 64 cmpprog=${CMPPROG-cmp}
 65 cpprog=${CPPROG-cp}
 66 mkdirprog=${MKDIRPROG-mkdir}
 67 mvprog=${MVPROG-mv}
 68 rmprog=${RMPROG-rm}
 69 stripprog=${STRIPPROG-strip}
 70 
 71 posix_glob='?'
 72 initialize_posix_glob='
 73   test "$posix_glob" != "?" || {
 74     if (set -f) 2>/dev/null; then
 75       posix_glob=
 76     else
 77       posix_glob=:
 78     fi
 79   }
 80 '
 81 
 82 posix_mkdir=
 83 
 84 # Desired mode of installed file.
 85 mode=0755
 86 
 87 chgrpcmd=
 88 chmodcmd=$chmodprog
 89 chowncmd=
 90 mvcmd=$mvprog
 91 rmcmd="$rmprog -f"
 92 stripcmd=
 93 
 94 src=
 95 dst=
 96 dir_arg=
 97 dst_arg=
 98 
 99 copy_on_change=false
100 no_target_directory=
101 
102 usage="\
103 Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
104    or: $0 [OPTION]... SRCFILES... DIRECTORY
105    or: $0 [OPTION]... -t DIRECTORY SRCFILES...
106    or: $0 [OPTION]... -d DIRECTORIES...
107 
108 In the 1st form, copy SRCFILE to DSTFILE.
109 In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
110 In the 4th, create DIRECTORIES.
111 
112 Options:
113      --help     display this help and exit.
114      --version  display version info and exit.
115 
116   -c            (ignored)
117   -C            install only if different (preserve the last data modification time)
118   -d            create directories instead of installing files.
119   -g GROUP      $chgrpprog installed files to GROUP.
120   -m MODE       $chmodprog installed files to MODE.
121   -o USER       $chownprog installed files to USER.
122   -s            $stripprog installed files.
123   -t DIRECTORY  install into DIRECTORY.
124   -T            report an error if DSTFILE is a directory.
125 
126 Environment variables override the default commands:
127   CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
128   RMPROG STRIPPROG
129 "
130 
131 while test $# -ne 0; do
132   case $1 in
133     -c) ;;
134 
135     -C) copy_on_change=true;;
136 
137     -d) dir_arg=true;;
138 
139     -g) chgrpcmd="$chgrpprog $2"
140         shift;;
141 
142     --help) echo "$usage"; exit $?;;
143 
144     -m) mode=$2
145         case $mode in
146           *' '* | *'    '* | *'
147 '*        | *'*'* | *'?'* | *'['*)
148             echo "$0: invalid mode: $mode" >&2
149             exit 1;;
150         esac
151         shift;;
152 
153     -o) chowncmd="$chownprog $2"
154         shift;;
155 
156     -s) stripcmd=$stripprog;;
157 
158     -t) dst_arg=$2
159         # Protect names problematic for 'test' and other utilities.
160         case $dst_arg in
161           -* | [=\(\)!]) dst_arg=./$dst_arg;;
162         esac
163         shift;;
164 
165     -T) no_target_directory=true;;
166 
167     --version) echo "$0 $scriptversion"; exit $?;;
168 
169     --) shift
170         break;;
171 
172     -*) echo "$0: invalid option: $1" >&2
173         exit 1;;
174 
175     *)  break;;
176   esac
177   shift
178 done
179 
180 if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
181   # When -d is used, all remaining arguments are directories to create.
182   # When -t is used, the destination is already specified.
183   # Otherwise, the last argument is the destination.  Remove it from $@.
184   for arg
185   do
186     if test -n "$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
193     # Protect names problematic for 'test' and other utilities.
194     case $dst_arg in
195       -* | [=\(\)!]) 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 "$0: no input file specified." >&2
203     exit 1
204   fi
205   # It's OK to call 'install-sh -d' without argument.
206   # This can happen when creating conditional directories.
207   exit 0
208 fi
209 
210 if test -z "$dir_arg"; then
211   do_exit='(exit $ret); exit $ret'
212   trap "ret=129; $do_exit" 1
213   trap "ret=130; $do_exit" 2
214   trap "ret=141; $do_exit" 13
215   trap "ret=143; $do_exit" 15
216 
217   # Set umask so as not to create temps with too-generous modes.
218   # However, 'strip' requires both read and write access to temps.
219   case $mode in
220     # Optimize common cases.
221     *644) cp_umask=133;;
222     *755) cp_umask=22;;
223 
224     *[0-7])
225       if test -z "$stripcmd"; then
226         u_plus_rw=
227       else
228         u_plus_rw='% 200'
229       fi
230       cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
231     *)
232       if test -z "$stripcmd"; then
233         u_plus_rw=
234       else
235         u_plus_rw=,u+rw
236       fi
237       cp_umask=$mode$u_plus_rw;;
238   esac
239 fi
240 
241 for src
242 do
243   # Protect names problematic for 'test' and other utilities.
244   case $src in
245     -* | [=\(\)!]) src=./$src;;
246   esac
247 
248   if test -n "$dir_arg"; then
249     dst=$src
250     dstdir=$dst
251     test -d "$dstdir"
252     dstdir_status=$?
253   else
254 
255     # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
256     # might cause directories to be created, which would be especially bad
257     # if $src (and thus $dsttmp) contains '*'.
258     if test ! -f "$src" && test ! -d "$src"; then
259       echo "$0: $src does not exist." >&2
260       exit 1
261     fi
262 
263     if test -z "$dst_arg"; then
264       echo "$0: no destination specified." >&2
265       exit 1
266     fi
267     dst=$dst_arg
268 
269     # If destination is a directory, append the input filename; won't work
270     # 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
277       dst=$dstdir/`basename "$src"`
278       dstdir_status=0
279     else
280       # Prefer dirname, but fall back on a substitute if dirname fails.
281       dstdir=`
282         (dirname "$dst") 2>/dev/null ||
283         expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
284              X"$dst" : 'X\(//\)[^/]' \| \
285              X"$dst" : 'X\(//\)$' \| \
286              X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
287         echo X"$dst" |
288             sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
289                    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
332 
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 "$dir_arg" || {
355                    # Check for POSIX incompatibilities with -m.
356                    # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
357                    # other-writable bit of parent directory when it shouldn't.
358                    # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
359                    ls_ld_tmpdir=`ls -ld "$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
380 
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.
392 
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:

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