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Revision 1.1 - (hide annotations) (download)
Tue Jul 6 12:20:23 2004 UTC (20 years, 4 months ago) by kusanagi
Branch: MAIN
Initial revision

1 kusanagi 1.1 #!/bin/sh
2     # install - install a program, script, or datafile
3    
4     scriptversion=2004-02-15.20
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 remove or move aside any old file at destination location. We
284     # try this two ways since rm can't unlink itself on some systems and
285     # the destination file might be busy for other reasons. In this case,
286     # the final cleanup might fail but the new file should still install
287     # successfully.
288     {
289     if test -f "$dstdir/$dstfile"; then
290     $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \
291     || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \
292     || {
293     echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
294     (exit 1); exit
295     }
296     else
297     :
298     fi
299     } &&
300    
301     # Now rename the file to the real destination.
302     $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
303     fi || { (exit 1); exit; }
304     done
305    
306     # The final little trick to "correctly" pass the exit status to the exit trap.
307     {
308     (exit 0); exit
309     }
310    
311     # Local variables:
312     # eval: (add-hook 'write-file-hooks 'time-stamp)
313     # time-stamp-start: "scriptversion="
314     # time-stamp-format: "%:y-%02m-%02d.%02H"
315     # time-stamp-end: "$"
316     # End:

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