source: trunk/third/libglade2/install-sh @ 21576

Revision 21576, 9.0 KB checked in by ghudson, 19 years ago (diff)
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Line 
1#!/bin/sh
2# install - install a program, script, or datafile
3
4scriptversion=2004-12-17.09
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.  It can only install one file at a time, a restriction
43# shared with many OS's install programs.
44
45# set DOITPROG to echo to test this script
46
47# Don't use :- since 4.3BSD and earlier shells don't like it.
48doit="${DOITPROG-}"
49
50# put in absolute paths if you don't have them in your path; or use env. vars.
51
52mvprog="${MVPROG-mv}"
53cpprog="${CPPROG-cp}"
54chmodprog="${CHMODPROG-chmod}"
55chownprog="${CHOWNPROG-chown}"
56chgrpprog="${CHGRPPROG-chgrp}"
57stripprog="${STRIPPROG-strip}"
58rmprog="${RMPROG-rm}"
59mkdirprog="${MKDIRPROG-mkdir}"
60
61chmodcmd="$chmodprog 0755"
62chowncmd=
63chgrpcmd=
64stripcmd=
65rmcmd="$rmprog -f"
66mvcmd="$mvprog"
67src=
68dst=
69dir_arg=
70dstarg=
71no_target_directory=
72
73usage="Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
74   or: $0 [OPTION]... SRCFILES... DIRECTORY
75   or: $0 [OPTION]... -t DIRECTORY SRCFILES...
76   or: $0 [OPTION]... -d DIRECTORIES...
77
78In the 1st form, copy SRCFILE to DSTFILE.
79In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
80In the 4th, create DIRECTORIES.
81
82Options:
83-c         (ignored)
84-d         create directories instead of installing files.
85-g GROUP   $chgrpprog installed files to GROUP.
86-m MODE    $chmodprog installed files to MODE.
87-o USER    $chownprog installed files to USER.
88-s         $stripprog installed files.
89-t DIRECTORY  install into DIRECTORY.
90-T         report an error if DSTFILE is a directory.
91--help     display this help and exit.
92--version  display version info and exit.
93
94Environment variables override the default commands:
95  CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG
96"
97
98while test -n "$1"; do
99  case $1 in
100    -c) shift
101        continue;;
102
103    -d) dir_arg=true
104        shift
105        continue;;
106
107    -g) chgrpcmd="$chgrpprog $2"
108        shift
109        shift
110        continue;;
111
112    --help) echo "$usage"; exit 0;;
113
114    -m) chmodcmd="$chmodprog $2"
115        shift
116        shift
117        continue;;
118
119    -o) chowncmd="$chownprog $2"
120        shift
121        shift
122        continue;;
123
124    -s) stripcmd=$stripprog
125        shift
126        continue;;
127
128    -t) dstarg=$2
129        shift
130        shift
131        continue;;
132
133    -T) no_target_directory=true
134        shift
135        continue;;
136
137    --version) echo "$0 $scriptversion"; exit 0;;
138
139    *)  # When -d is used, all remaining arguments are directories to create.
140        # When -t is used, the destination is already specified.
141        test -n "$dir_arg$dstarg" && break
142        # Otherwise, the last argument is the destination.  Remove it from $@.
143        for arg
144        do
145          if test -n "$dstarg"; then
146            # $@ is not empty: it contains at least $arg.
147            set fnord "$@" "$dstarg"
148            shift # fnord
149          fi
150          shift # arg
151          dstarg=$arg
152        done
153        break;;
154  esac
155done
156
157if test -z "$1"; then
158  if test -z "$dir_arg"; then
159    echo "$0: no input file specified." >&2
160    exit 1
161  fi
162  # It's OK to call `install-sh -d' without argument.
163  # This can happen when creating conditional directories.
164  exit 0
165fi
166
167for src
168do
169  # Protect names starting with `-'.
170  case $src in
171    -*) src=./$src ;;
172  esac
173
174  if test -n "$dir_arg"; then
175    dst=$src
176    src=
177
178    if test -d "$dst"; then
179      mkdircmd=:
180      chmodcmd=
181    else
182      mkdircmd=$mkdirprog
183    fi
184  else
185    # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
186    # might cause directories to be created, which would be especially bad
187    # if $src (and thus $dsttmp) contains '*'.
188    if test ! -f "$src" && test ! -d "$src"; then
189      echo "$0: $src does not exist." >&2
190      exit 1
191    fi
192
193    if test -z "$dstarg"; then
194      echo "$0: no destination specified." >&2
195      exit 1
196    fi
197
198    dst=$dstarg
199    # Protect names starting with `-'.
200    case $dst in
201      -*) dst=./$dst ;;
202    esac
203
204    # If destination is a directory, append the input filename; won't work
205    # if double slashes aren't ignored.
206    if test -d "$dst"; then
207      if test -n "$no_target_directory"; then
208        echo "$0: $dstarg: Is a directory" >&2
209        exit 1
210      fi
211      dst=$dst/`basename "$src"`
212    fi
213  fi
214
215  # This sed command emulates the dirname command.
216  dstdir=`echo "$dst" | sed -e 's,/*$,,;s,[^/]*$,,;s,/*$,,;s,^$,.,'`
217
218  # Make sure that the destination directory exists.
219
220  # Skip lots of stat calls in the usual case.
221  if test ! -d "$dstdir"; then
222    defaultIFS='
223         '
224    IFS="${IFS-$defaultIFS}"
225
226    oIFS=$IFS
227    # Some sh's can't handle IFS=/ for some reason.
228    IFS='%'
229    set x `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
230    shift
231    IFS=$oIFS
232
233    pathcomp=
234
235    while test $# -ne 0 ; do
236      pathcomp=$pathcomp$1
237      shift
238      if test ! -d "$pathcomp"; then
239        $mkdirprog "$pathcomp"
240        # mkdir can fail with a `File exist' error in case several
241        # install-sh are creating the directory concurrently.  This
242        # is OK.
243        test -d "$pathcomp" || exit
244      fi
245      pathcomp=$pathcomp/
246    done
247  fi
248
249  if test -n "$dir_arg"; then
250    $doit $mkdircmd "$dst" \
251      && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \
252      && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \
253      && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \
254      && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; }
255
256  else
257    dstfile=`basename "$dst"`
258
259    # Make a couple of temp file names in the proper directory.
260    dsttmp=$dstdir/_inst.$$_
261    rmtmp=$dstdir/_rm.$$_
262
263    # Trap to clean up those temp files at exit.
264    trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
265    trap '(exit $?); exit' 1 2 13 15
266
267    # Copy the file name to the temp name.
268    $doit $cpprog "$src" "$dsttmp" &&
269
270    # and set any options; do chmod last to preserve setuid bits.
271    #
272    # If any of these fail, we abort the whole thing.  If we want to
273    # ignore errors from any of these, just make sure not to ignore
274    # errors from the above "$doit $cpprog $src $dsttmp" command.
275    #
276    { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \
277      && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \
278      && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \
279      && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } &&
280
281    # Now rename the file to the real destination.
282    { $doit $mvcmd -f "$dsttmp" "$dstdir/$dstfile" 2>/dev/null \
283      || {
284           # The rename failed, perhaps because mv can't rename something else
285           # to itself, or perhaps because mv is so ancient that it does not
286           # support -f.
287
288           # Now remove or move aside any old file at destination location.
289           # We try this two ways since rm can't unlink itself on some
290           # systems and the destination file might be busy for other
291           # reasons.  In this case, the final cleanup might fail but the new
292           # file should still install successfully.
293           {
294             if test -f "$dstdir/$dstfile"; then
295               $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \
296               || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \
297               || {
298                 echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
299                 (exit 1); exit 1
300               }
301             else
302               :
303             fi
304           } &&
305
306           # Now rename the file to the real destination.
307           $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
308         }
309    }
310  fi || { (exit 1); exit 1; }
311done
312
313# The final little trick to "correctly" pass the exit status to the exit trap.
314{
315  (exit 0); exit 0
316}
317
318# Local variables:
319# eval: (add-hook 'write-file-hooks 'time-stamp)
320# time-stamp-start: "scriptversion="
321# time-stamp-format: "%:y-%02m-%02d.%02H"
322# time-stamp-end: "$"
323# End:
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