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Revision 1156 - (hide annotations)
Tue Aug 9 20:29:20 2011 UTC (8 years, 2 months ago) by michael
File size: 13781 byte(s)
- create ircd-hybrid-8 "branch"

1 michael 913 #!/bin/sh
2     # install - install a program, script, or datafile
3    
4 michael 1094 scriptversion=2010-02-06.18; # UTC
5 michael 913
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=" "" $nl"
47    
48     # set DOITPROG to echo to test this script
49    
50     # Don't use :- since 4.3BSD and earlier shells don't like it.
51 michael 945 doit=${DOITPROG-}
52 michael 913 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 michael 945 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=${STRIPPROG-strip}
70 michael 913
71 michael 945 posix_glob='?'
72     initialize_posix_glob='
73     test "$posix_glob" != "?" || {
74     if (set -f) 2>/dev/null; then
75     posix_glob=
76     else
77     posix_glob=:
78     fi
79     }
80     '
81    
82 michael 913 posix_mkdir=
83    
84     # Desired mode of installed file.
85     mode=0755
86    
87 michael 945 chgrpcmd=
88 michael 913 chmodcmd=$chmodprog
89     chowncmd=
90 michael 945 mvcmd=$mvprog
91     rmcmd="$rmprog -f"
92 michael 913 stripcmd=
93 michael 945
94 michael 913 src=
95     dst=
96     dir_arg=
97 michael 945 dst_arg=
98    
99     copy_on_change=false
100 michael 913 no_target_directory=
101    
102 michael 945 usage="\
103     Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
104 michael 913 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 michael 945 --help display this help and exit.
114     --version display version info and exit.
115 michael 913
116 michael 945 -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 michael 913 Environment variables override the default commands:
127 michael 945 CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
128     RMPROG STRIPPROG
129 michael 913 "
130    
131     while test $# -ne 0; do
132     case $1 in
133 michael 945 -c) ;;
134 michael 913
135 michael 945 -C) copy_on_change=true;;
136 michael 913
137 michael 945 -d) dir_arg=true;;
138    
139 michael 913 -g) chgrpcmd="$chgrpprog $2"
140 michael 945 shift;;
141 michael 913
142     --help) echo "$usage"; exit $?;;
143    
144     -m) mode=$2
145     case $mode in
146     *' '* | *' '* | *'
147     '* | *'*'* | *'?'* | *'['*)
148     echo "$0: invalid mode: $mode" >&2
149     exit 1;;
150     esac
151 michael 945 shift;;
152 michael 913
153     -o) chowncmd="$chownprog $2"
154 michael 945 shift;;
155 michael 913
156 michael 945 -s) stripcmd=$stripprog;;
157 michael 913
158 michael 945 -t) dst_arg=$2
159     shift;;
160 michael 913
161 michael 945 -T) no_target_directory=true;;
162 michael 913
163     --version) echo "$0 $scriptversion"; exit $?;;
164    
165     --) shift
166     break;;
167    
168     -*) echo "$0: invalid option: $1" >&2
169     exit 1;;
170    
171     *) break;;
172     esac
173 michael 945 shift
174 michael 913 done
175    
176 michael 945 if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
177 michael 913 # 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 $@.
180     for arg
181     do
182 michael 945 if test -n "$dst_arg"; then
183 michael 913 # $@ is not empty: it contains at least $arg.
184 michael 945 set fnord "$@" "$dst_arg"
185 michael 913 shift # fnord
186     fi
187     shift # arg
188 michael 945 dst_arg=$arg
189 michael 913 done
190     fi
191    
192     if test $# -eq 0; then
193     if test -z "$dir_arg"; then
194     echo "$0: no input file specified." >&2
195     exit 1
196     fi
197     # It's OK to call `install-sh -d' without argument.
198     # This can happen when creating conditional directories.
199     exit 0
200     fi
201    
202     if test -z "$dir_arg"; then
203 michael 1094 do_exit='(exit $ret); exit $ret'
204     trap "ret=129; $do_exit" 1
205     trap "ret=130; $do_exit" 2
206     trap "ret=141; $do_exit" 13
207     trap "ret=143; $do_exit" 15
208 michael 913
209     # Set umask so as not to create temps with too-generous modes.
210     # However, 'strip' requires both read and write access to temps.
211     case $mode in
212     # Optimize common cases.
213     *644) cp_umask=133;;
214     *755) cp_umask=22;;
215    
216     *[0-7])
217     if test -z "$stripcmd"; then
218     u_plus_rw=
219     else
220     u_plus_rw='% 200'
221     fi
222     cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
223     *)
224     if test -z "$stripcmd"; then
225     u_plus_rw=
226     else
227     u_plus_rw=,u+rw
228     fi
229     cp_umask=$mode$u_plus_rw;;
230     esac
231     fi
232    
233     for src
234     do
235     # Protect names starting with `-'.
236     case $src in
237 michael 945 -*) src=./$src;;
238 michael 913 esac
239    
240     if test -n "$dir_arg"; then
241     dst=$src
242     dstdir=$dst
243     test -d "$dstdir"
244     dstdir_status=$?
245     else
246    
247     # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
248     # might cause directories to be created, which would be especially bad
249     # if $src (and thus $dsttmp) contains '*'.
250     if test ! -f "$src" && test ! -d "$src"; then
251     echo "$0: $src does not exist." >&2
252     exit 1
253     fi
254    
255 michael 945 if test -z "$dst_arg"; then
256 michael 913 echo "$0: no destination specified." >&2
257     exit 1
258     fi
259    
260 michael 945 dst=$dst_arg
261 michael 913 # Protect names starting with `-'.
262     case $dst in
263 michael 945 -*) dst=./$dst;;
264 michael 913 esac
265    
266     # If destination is a directory, append the input filename; won't work
267     # if double slashes aren't ignored.
268     if test -d "$dst"; then
269     if test -n "$no_target_directory"; then
270 michael 945 echo "$0: $dst_arg: Is a directory" >&2
271 michael 913 exit 1
272     fi
273     dstdir=$dst
274     dst=$dstdir/`basename "$src"`
275     dstdir_status=0
276     else
277     # Prefer dirname, but fall back on a substitute if dirname fails.
278     dstdir=`
279     (dirname "$dst") 2>/dev/null ||
280     expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
281     X"$dst" : 'X\(//\)[^/]' \| \
282     X"$dst" : 'X\(//\)$' \| \
283     X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
284     echo X"$dst" |
285     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
286     s//\1/
287     q
288     }
289     /^X\(\/\/\)[^/].*/{
290     s//\1/
291     q
292     }
293     /^X\(\/\/\)$/{
294     s//\1/
295     q
296     }
297     /^X\(\/\).*/{
298     s//\1/
299     q
300     }
301     s/.*/./; q'
302     `
303    
304     test -d "$dstdir"
305     dstdir_status=$?
306     fi
307     fi
308    
309     obsolete_mkdir_used=false
310    
311     if test $dstdir_status != 0; then
312     case $posix_mkdir in
313     '')
314     # Create intermediate dirs using mode 755 as modified by the umask.
315     # This is like FreeBSD 'install' as of 1997-10-28.
316     umask=`umask`
317     case $stripcmd.$umask in
318     # Optimize common cases.
319     *[2367][2367]) mkdir_umask=$umask;;
320     .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
321    
322     *[0-7])
323     mkdir_umask=`expr $umask + 22 \
324     - $umask % 100 % 40 + $umask % 20 \
325     - $umask % 10 % 4 + $umask % 2
326     `;;
327     *) mkdir_umask=$umask,go-w;;
328     esac
329    
330     # With -d, create the new directory with the user-specified mode.
331     # Otherwise, rely on $mkdir_umask.
332     if test -n "$dir_arg"; then
333     mkdir_mode=-m$mode
334     else
335     mkdir_mode=
336     fi
337    
338     posix_mkdir=false
339     case $umask in
340     *[123567][0-7][0-7])
341     # POSIX mkdir -p sets u+wx bits regardless of umask, which
342     # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
343     ;;
344     *)
345     tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
346     trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
347    
348     if (umask $mkdir_umask &&
349     exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
350     then
351     if test -z "$dir_arg" || {
352     # Check for POSIX incompatibilities with -m.
353     # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
354     # other-writeable bit of parent directory when it shouldn't.
355     # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
356     ls_ld_tmpdir=`ls -ld "$tmpdir"`
357     case $ls_ld_tmpdir in
358     d????-?r-*) different_mode=700;;
359     d????-?--*) different_mode=755;;
360     *) false;;
361     esac &&
362     $mkdirprog -m$different_mode -p -- "$tmpdir" && {
363     ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
364     test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
365     }
366     }
367     then posix_mkdir=:
368     fi
369     rmdir "$tmpdir/d" "$tmpdir"
370     else
371     # Remove any dirs left behind by ancient mkdir implementations.
372     rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
373     fi
374     trap '' 0;;
375     esac;;
376     esac
377    
378     if
379     $posix_mkdir && (
380     umask $mkdir_umask &&
381     $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
382     )
383     then :
384     else
385    
386     # The umask is ridiculous, or mkdir does not conform to POSIX,
387     # or it failed possibly due to a race condition. Create the
388     # directory the slow way, step by step, checking for races as we go.
389    
390     case $dstdir in
391 michael 945 /*) prefix='/';;
392     -*) prefix='./';;
393     *) prefix='';;
394 michael 913 esac
395    
396 michael 945 eval "$initialize_posix_glob"
397 michael 913
398     oIFS=$IFS
399     IFS=/
400 michael 945 $posix_glob set -f
401 michael 913 set fnord $dstdir
402     shift
403 michael 945 $posix_glob set +f
404 michael 913 IFS=$oIFS
405    
406     prefixes=
407    
408     for d
409     do
410     test -z "$d" && continue
411    
412     prefix=$prefix$d
413     if test -d "$prefix"; then
414     prefixes=
415     else
416     if $posix_mkdir; then
417     (umask=$mkdir_umask &&
418     $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
419     # Don't fail if two instances are running concurrently.
420     test -d "$prefix" || exit 1
421     else
422     case $prefix in
423     *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
424     *) qprefix=$prefix;;
425     esac
426     prefixes="$prefixes '$qprefix'"
427     fi
428     fi
429     prefix=$prefix/
430     done
431    
432     if test -n "$prefixes"; then
433     # Don't fail if two instances are running concurrently.
434     (umask $mkdir_umask &&
435     eval "\$doit_exec \$mkdirprog $prefixes") ||
436     test -d "$dstdir" || exit 1
437     obsolete_mkdir_used=true
438     fi
439     fi
440     fi
441    
442     if test -n "$dir_arg"; then
443     { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
444     { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
445     { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
446     test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
447     else
448    
449     # Make a couple of temp file names in the proper directory.
450     dsttmp=$dstdir/_inst.$$_
451     rmtmp=$dstdir/_rm.$$_
452    
453     # Trap to clean up those temp files at exit.
454     trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
455    
456     # Copy the file name to the temp name.
457     (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
458    
459     # and set any options; do chmod last to preserve setuid bits.
460     #
461     # If any of these fail, we abort the whole thing. If we want to
462     # ignore errors from any of these, just make sure not to ignore
463     # errors from the above "$doit $cpprog $src $dsttmp" command.
464     #
465 michael 945 { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
466     { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
467     { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
468     { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
469 michael 913
470 michael 945 # If -C, don't bother to copy if it wouldn't change the file.
471     if $copy_on_change &&
472     old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` &&
473     new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` &&
474 michael 913
475 michael 945 eval "$initialize_posix_glob" &&
476     $posix_glob set -f &&
477     set X $old && old=:$2:$4:$5:$6 &&
478     set X $new && new=:$2:$4:$5:$6 &&
479     $posix_glob set +f &&
480 michael 913
481 michael 945 test "$old" = "$new" &&
482     $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
483     then
484     rm -f "$dsttmp"
485     else
486     # Rename the file to the real destination.
487     $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
488 michael 913
489 michael 945 # The rename failed, perhaps because mv can't rename something else
490     # to itself, or perhaps because mv is so ancient that it does not
491     # support -f.
492     {
493     # Now remove or move aside any old file at destination location.
494     # We try this two ways since rm can't unlink itself on some
495     # systems and the destination file might be busy for other
496     # reasons. In this case, the final cleanup might fail but the new
497     # file should still install successfully.
498     {
499     test ! -f "$dst" ||
500     $doit $rmcmd -f "$dst" 2>/dev/null ||
501     { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
502     { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
503     } ||
504     { echo "$0: cannot unlink or rename $dst" >&2
505     (exit 1); exit 1
506     }
507     } &&
508    
509     # Now rename the file to the real destination.
510     $doit $mvcmd "$dsttmp" "$dst"
511     }
512     fi || exit 1
513    
514 michael 913 trap '' 0
515     fi
516     done
517    
518     # Local variables:
519     # eval: (add-hook 'write-file-hooks 'time-stamp)
520     # time-stamp-start: "scriptversion="
521     # time-stamp-format: "%:y-%02m-%02d.%02H"
522 michael 945 # time-stamp-time-zone: "UTC"
523     # time-stamp-end: "; # UTC"
524 michael 913 # End:

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