/[gentoo-src]/portage/install-sh
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Revision 1.1 - (show annotations) (download)
Sat Nov 20 10:22:24 2004 UTC (9 years, 5 months ago) by ferringb
Branch: MAIN
CVS Tags: portage_041204, HEAD
Branch point for: portage_2_1
missed a few files.

1 #!/bin/sh
2 # install - install a program, script, or datafile
3
4 scriptversion=2004-04-01.17
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.
48 doit="${DOITPROG-}"
49
50 # put in absolute paths if you don't have them in your path; or use env. vars.
51
52 mvprog="${MVPROG-mv}"
53 cpprog="${CPPROG-cp}"
54 chmodprog="${CHMODPROG-chmod}"
55 chownprog="${CHOWNPROG-chown}"
56 chgrpprog="${CHGRPPROG-chgrp}"
57 stripprog="${STRIPPROG-strip}"
58 rmprog="${RMPROG-rm}"
59 mkdirprog="${MKDIRPROG-mkdir}"
60
61 transformbasename=
62 transform_arg=
63 instcmd="$mvprog"
64 chmodcmd="$chmodprog 0755"
65 chowncmd=
66 chgrpcmd=
67 stripcmd=
68 rmcmd="$rmprog -f"
69 mvcmd="$mvprog"
70 src=
71 dst=
72 dir_arg=
73
74 usage="Usage: $0 [OPTION]... SRCFILE DSTFILE
75 or: $0 [OPTION]... SRCFILES... DIRECTORY
76 or: $0 -d DIRECTORIES...
77
78 In the first form, install SRCFILE to DSTFILE, removing SRCFILE by default.
79 In the second, create the directory path DIR.
80
81 Options:
82 -b=TRANSFORMBASENAME
83 -c copy source (using $cpprog) instead of moving (using $mvprog).
84 -d create directories instead of installing files.
85 -g GROUP $chgrp installed files to GROUP.
86 -m MODE $chmod installed files to MODE.
87 -o USER $chown installed files to USER.
88 -s strip installed files (using $stripprog).
89 -t=TRANSFORM
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 -b=*) transformbasename=`echo $1 | sed 's/-b=//'`
100 shift
101 continue;;
102
103 -c) instcmd=$cpprog
104 shift
105 continue;;
106
107 -d) dir_arg=true
108 shift
109 continue;;
110
111 -g) chgrpcmd="$chgrpprog $2"
112 shift
113 shift
114 continue;;
115
116 --help) echo "$usage"; exit 0;;
117
118 -m) chmodcmd="$chmodprog $2"
119 shift
120 shift
121 continue;;
122
123 -o) chowncmd="$chownprog $2"
124 shift
125 shift
126 continue;;
127
128 -s) stripcmd=$stripprog
129 shift
130 continue;;
131
132 -t=*) transformarg=`echo $1 | sed 's/-t=//'`
133 shift
134 continue;;
135
136 --version) echo "$0 $scriptversion"; exit 0;;
137
138 *) # When -d is used, all remaining arguments are directories to create.
139 test -n "$dir_arg" && break
140 # Otherwise, the last argument is the destination. Remove it from $@.
141 for arg
142 do
143 if test -n "$dstarg"; then
144 # $@ is not empty: it contains at least $arg.
145 set fnord "$@" "$dstarg"
146 shift # fnord
147 fi
148 shift # arg
149 dstarg=$arg
150 done
151 break;;
152 esac
153 done
154
155 if test -z "$1"; then
156 if test -z "$dir_arg"; then
157 echo "$0: no input file specified." >&2
158 exit 1
159 fi
160 # It's OK to call `install-sh -d' without argument.
161 # This can happen when creating conditional directories.
162 exit 0
163 fi
164
165 for src
166 do
167 # Protect names starting with `-'.
168 case $src in
169 -*) src=./$src ;;
170 esac
171
172 if test -n "$dir_arg"; then
173 dst=$src
174 src=
175
176 if test -d "$dst"; then
177 instcmd=:
178 chmodcmd=
179 else
180 instcmd=$mkdirprog
181 fi
182 else
183 # Waiting for this to be detected by the "$instcmd $src $dsttmp" command
184 # might cause directories to be created, which would be especially bad
185 # if $src (and thus $dsttmp) contains '*'.
186 if test ! -f "$src" && test ! -d "$src"; then
187 echo "$0: $src does not exist." >&2
188 exit 1
189 fi
190
191 if test -z "$dstarg"; then
192 echo "$0: no destination specified." >&2
193 exit 1
194 fi
195
196 dst=$dstarg
197 # Protect names starting with `-'.
198 case $dst in
199 -*) dst=./$dst ;;
200 esac
201
202 # If destination is a directory, append the input filename; won't work
203 # if double slashes aren't ignored.
204 if test -d "$dst"; then
205 dst=$dst/`basename "$src"`
206 fi
207 fi
208
209 # This sed command emulates the dirname command.
210 dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
211
212 # Make sure that the destination directory exists.
213
214 # Skip lots of stat calls in the usual case.
215 if test ! -d "$dstdir"; then
216 defaultIFS='
217 '
218 IFS="${IFS-$defaultIFS}"
219
220 oIFS=$IFS
221 # Some sh's can't handle IFS=/ for some reason.
222 IFS='%'
223 set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
224 IFS=$oIFS
225
226 pathcomp=
227
228 while test $# -ne 0 ; do
229 pathcomp=$pathcomp$1
230 shift
231 if test ! -d "$pathcomp"; then
232 $mkdirprog "$pathcomp" || lasterr=$?
233 # mkdir can fail with a `File exist' error in case several
234 # install-sh are creating the directory concurrently. This
235 # is OK.
236 test ! -d "$pathcomp" && { (exit ${lasterr-1}); exit; }
237 fi
238 pathcomp=$pathcomp/
239 done
240 fi
241
242 if test -n "$dir_arg"; then
243 $doit $instcmd "$dst" \
244 && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \
245 && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \
246 && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \
247 && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; }
248
249 else
250 # If we're going to rename the final executable, determine the name now.
251 if test -z "$transformarg"; then
252 dstfile=`basename "$dst"`
253 else
254 dstfile=`basename "$dst" $transformbasename \
255 | sed $transformarg`$transformbasename
256 fi
257
258 # don't allow the sed command to completely eliminate the filename.
259 test -z "$dstfile" && dstfile=`basename "$dst"`
260
261 # Make a couple of temp file names in the proper directory.
262 dsttmp=$dstdir/_inst.$$_
263 rmtmp=$dstdir/_rm.$$_
264
265 # Trap to clean up those temp files at exit.
266 trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0
267 trap '(exit $?); exit' 1 2 13 15
268
269 # Move or copy the file name to the temp name
270 $doit $instcmd "$src" "$dsttmp" &&
271
272 # and set any options; do chmod last to preserve setuid bits.
273 #
274 # If any of these fail, we abort the whole thing. If we want to
275 # ignore errors from any of these, just make sure not to ignore
276 # errors from the above "$doit $instcmd $src $dsttmp" command.
277 #
278 { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \
279 && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \
280 && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \
281 && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } &&
282
283 # Now rename the file to the real destination.
284 { $doit $mvcmd -f "$dsttmp" "$dstdir/$dstfile" 2>/dev/null \
285 || {
286 # The rename failed, perhaps because mv can't rename something else
287 # to itself, or perhaps because mv is so ancient that it does not
288 # support -f.
289
290 # Now remove or move aside any old file at destination location.
291 # We try this two ways since rm can't unlink itself on some
292 # systems and the destination file might be busy for other
293 # reasons. In this case, the final cleanup might fail but the new
294 # file should still install successfully.
295 {
296 if test -f "$dstdir/$dstfile"; then
297 $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \
298 || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \
299 || {
300 echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
301 (exit 1); exit
302 }
303 else
304 :
305 fi
306 } &&
307
308 # Now rename the file to the real destination.
309 $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
310 }
311 }
312 fi || { (exit 1); exit; }
313 done
314
315 # The final little trick to "correctly" pass the exit status to the exit trap.
316 {
317 (exit 0); exit
318 }
319
320 # Local variables:
321 # eval: (add-hook 'write-file-hooks 'time-stamp)
322 # time-stamp-start: "scriptversion="
323 # time-stamp-format: "%:y-%02m-%02d.%02H"
324 # time-stamp-end: "$"
325 # End:

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