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0 #!/bin/sh
1 # install - install a program, script, or datafile
2
3 scriptversion=2005-05-14.22
4
5 # This originates from X11R5 (mit/util/scripts/install.sh), which was
6 # later released in X11R6 (xc/config/util/install.sh) with the
7 # following copyright and license.
8 #
9 # Copyright (C) 1994 X Consortium
10 #
11 # Permission is hereby granted, free of charge, to any person obtaining a copy
12 # of this software and associated documentation files (the "Software"), to
13 # deal in the Software without restriction, including without limitation the
14 # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
15 # sell copies of the Software, and to permit persons to whom the Software is
16 # furnished to do so, subject to the following conditions:
17 #
18 # The above copyright notice and this permission notice shall be included in
19 # all copies or substantial portions of the Software.
20 #
21 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
24 # X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
25 # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
26 # TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 #
28 # Except as contained in this notice, the name of the X Consortium shall not
29 # be used in advertising or otherwise to promote the sale, use or other deal-
30 # ings in this Software without prior written authorization from the X Consor-
31 # tium.
32 #
33 #
34 # FSF changes to this file are in the public domain.
35 #
36 # Calling this script install-sh is preferred over install.sh, to prevent
37 # `make' implicit rules from creating a file called install from it
38 # when there is no Makefile.
39 #
40 # This script is compatible with the BSD install script, but was written
41 # from scratch. It can only install one file at a time, a restriction
42 # shared with many OS's install programs.
43
44 # set DOITPROG to echo to test this script
45
46 # Don't use :- since 4.3BSD and earlier shells don't like it.
47 doit="${DOITPROG-}"
48
49 # put in absolute paths if you don't have them in your path; or use env. vars.
50
51 mvprog="${MVPROG-mv}"
52 cpprog="${CPPROG-cp}"
53 chmodprog="${CHMODPROG-chmod}"
54 chownprog="${CHOWNPROG-chown}"
55 chgrpprog="${CHGRPPROG-chgrp}"
56 stripprog="${STRIPPROG-strip}"
57 rmprog="${RMPROG-rm}"
58 mkdirprog="${MKDIRPROG-mkdir}"
59
60 chmodcmd="$chmodprog 0755"
61 chowncmd=
62 chgrpcmd=
63 stripcmd=
64 rmcmd="$rmprog -f"
65 mvcmd="$mvprog"
66 src=
67 dst=
68 dir_arg=
69 dstarg=
70 no_target_directory=
71
72 usage="Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
73 or: $0 [OPTION]... SRCFILES... DIRECTORY
74 or: $0 [OPTION]... -t DIRECTORY SRCFILES...
75 or: $0 [OPTION]... -d DIRECTORIES...
76
77 In the 1st form, copy SRCFILE to DSTFILE.
78 In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
79 In the 4th, create DIRECTORIES.
80
81 Options:
82 -c (ignored)
83 -d create directories instead of installing files.
84 -g GROUP $chgrpprog installed files to GROUP.
85 -m MODE $chmodprog installed files to MODE.
86 -o USER $chownprog installed files to USER.
87 -s $stripprog installed files.
88 -t DIRECTORY install into DIRECTORY.
89 -T report an error if DSTFILE is a directory.
90 --help display this help and exit.
91 --version display version info and exit.
92
93 Environment variables override the default commands:
94 CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG
95 "
96
97 while test -n "$1"; do
98 case $1 in
99 -c) shift
100 continue;;
101
102 -d) dir_arg=true
103 shift
104 continue;;
105
106 -g) chgrpcmd="$chgrpprog $2"
107 shift
108 shift
109 continue;;
110
111 --help) echo "$usage"; exit $?;;
112
113 -m) chmodcmd="$chmodprog $2"
114 shift
115 shift
116 continue;;
117
118 -o) chowncmd="$chownprog $2"
119 shift
120 shift
121 continue;;
122
123 -s) stripcmd=$stripprog
124 shift
125 continue;;
126
127 -t) dstarg=$2
128 shift
129 shift
130 continue;;
131
132 -T) no_target_directory=true
133 shift
134 continue;;
135
136 --version) echo "$0 $scriptversion"; exit $?;;
137
138 *) # When -d is used, all remaining arguments are directories to create.
139 # When -t is used, the destination is already specified.
140 test -n "$dir_arg$dstarg" && break
141 # Otherwise, the last argument is the destination. Remove it from $@.
142 for arg
143 do
144 if test -n "$dstarg"; then
145 # $@ is not empty: it contains at least $arg.
146 set fnord "$@" "$dstarg"
147 shift # fnord
148 fi
149 shift # arg
150 dstarg=$arg
151 done
152 break;;
153 esac
154 done
155
156 if test -z "$1"; then
157 if test -z "$dir_arg"; then
158 echo "$0: no input file specified." >&2
159 exit 1
160 fi
161 # It's OK to call `install-sh -d' without argument.
162 # This can happen when creating conditional directories.
163 exit 0
164 fi
165
166 for src
167 do
168 # Protect names starting with `-'.
169 case $src in
170 -*) src=./$src ;;
171 esac
172
173 if test -n "$dir_arg"; then
174 dst=$src
175 src=
176
177 if test -d "$dst"; then
178 mkdircmd=:
179 chmodcmd=
180 else
181 mkdircmd=$mkdirprog
182 fi
183 else
184 # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
185 # might cause directories to be created, which would be especially bad
186 # if $src (and thus $dsttmp) contains '*'.
187 if test ! -f "$src" && test ! -d "$src"; then
188 echo "$0: $src does not exist." >&2
189 exit 1
190 fi
191
192 if test -z "$dstarg"; then
193 echo "$0: no destination specified." >&2
194 exit 1
195 fi
196
197 dst=$dstarg
198 # Protect names starting with `-'.
199 case $dst in
200 -*) dst=./$dst ;;
201 esac
202
203 # If destination is a directory, append the input filename; won't work
204 # if double slashes aren't ignored.
205 if test -d "$dst"; then
206 if test -n "$no_target_directory"; then
207 echo "$0: $dstarg: Is a directory" >&2
208 exit 1
209 fi
210 dst=$dst/`basename "$src"`
211 fi
212 fi
213
214 # This sed command emulates the dirname command.
215 dstdir=`echo "$dst" | sed -e 's,/*$,,;s,[^/]*$,,;s,/*$,,;s,^$,.,'`
216
217 # Make sure that the destination directory exists.
218
219 # Skip lots of stat calls in the usual case.
220 if test ! -d "$dstdir"; then
221 defaultIFS='
222 '
223 IFS="${IFS-$defaultIFS}"
224
225 oIFS=$IFS
226 # Some sh's can't handle IFS=/ for some reason.
227 IFS='%!'(MISSING)
228 set x `echo "$dstdir" | sed -e 's@/@%!@(MISSING)g' -e 's@^%!@(MISSING)/@'`
229 shift
230 IFS=$oIFS
231
232 pathcomp=
233
234 while test $# -ne 0 ; do
235 pathcomp=$pathcomp$1
236 shift
237 if test ! -d "$pathcomp"; then
238 $mkdirprog "$pathcomp"
239 # mkdir can fail with a `File exist' error in case several
240 # install-sh are creating the directory concurrently. This
241 # is OK.
242 test -d "$pathcomp" || exit
243 fi
244 pathcomp=$pathcomp/
245 done
246 fi
247
248 if test -n "$dir_arg"; then
249 $doit $mkdircmd "$dst" \
250 && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \
251 && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \
252 && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \
253 && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; }
254
255 else
256 dstfile=`basename "$dst"`
257
258 # Make a couple of temp file names in the proper directory.
259 dsttmp=$dstdir/_inst.$_
260 rmtmp=$dstdir/_rm.$_
261
262 # Trap to clean up those temp files at exit.
263 trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
264 trap '(exit $?); exit' 1 2 13 15
265
266 # Copy the file name to the temp name.
267 $doit $cpprog "$src" "$dsttmp" &&
268
269 # and set any options; do chmod last to preserve setuid bits.
270 #
271 # If any of these fail, we abort the whole thing. If we want to
272 # ignore errors from any of these, just make sure not to ignore
273 # errors from the above "$doit $cpprog $src $dsttmp" command.
274 #
275 { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \
276 && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \
277 && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \
278 && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } &&
279
280 # Now rename the file to the real destination.
281 { $doit $mvcmd -f "$dsttmp" "$dstdir/$dstfile" 2>/dev/null \
282 || {
283 # The rename failed, perhaps because mv can't rename something else
284 # to itself, or perhaps because mv is so ancient that it does not
285 # support -f.
286
287 # Now remove or move aside any old file at destination location.
288 # We try this two ways since rm can't unlink itself on some
289 # systems and the destination file might be busy for other
290 # reasons. In this case, the final cleanup might fail but the new
291 # file should still install successfully.
292 {
293 if test -f "$dstdir/$dstfile"; then
294 $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \
295 || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \
296 || {
297 echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
298 (exit 1); exit 1
299 }
300 else
301 :
302 fi
303 } &&
304
305 # Now rename the file to the real destination.
306 $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
307 }
308 }
309 fi || { (exit 1); exit 1; }
310 done
311
312 # The final little trick to "correctly" pass the exit status to the exit trap.
313 {
314 (exit 0); exit 0
315 }
316
317 # Local variables:
318 # eval: (add-hook 'write-file-hooks 'time-stamp)
319 # time-stamp-start: "scriptversion="
320 # time-stamp-format: "%!:(MISSING)y-%!m(MISSING)-%!d(MISSING).%!H(MISSING)"
321 # time-stamp-end: "$"
322 # End:
323