9b77e1d5 |
1 | #!/bin/sh |
2 | # |
3 | # install - install a program, script, or datafile |
4 | # This comes from X11R5 (mit/util/scripts/install.sh). |
5 | # |
6 | # Copyright 1991 by the Massachusetts Institute of Technology |
7 | # |
8 | # Permission to use, copy, modify, distribute, and sell this software and its |
9 | # documentation for any purpose is hereby granted without fee, provided that |
10 | # the above copyright notice appear in all copies and that both that |
11 | # copyright notice and this permission notice appear in supporting |
12 | # documentation, and that the name of M.I.T. not be used in advertising or |
13 | # publicity pertaining to distribution of the software without specific, |
14 | # written prior permission. M.I.T. makes no representations about the |
15 | # suitability of this software for any purpose. It is provided "as is" |
16 | # without express or implied warranty. |
17 | # |
18 | # Calling this script install-sh is preferred over install.sh, to prevent |
19 | # `make' implicit rules from creating a file called install from it |
20 | # when there is no Makefile. |
21 | # |
22 | # This script is compatible with the BSD install script, but was written |
23 | # from scratch. It can only install one file at a time, a restriction |
24 | # shared with many OS's install programs. |
25 | |
26 | |
27 | # set DOITPROG to echo to test this script |
28 | |
29 | # Don't use :- since 4.3BSD and earlier shells don't like it. |
30 | doit="${DOITPROG-}" |
31 | |
32 | |
33 | # put in absolute paths if you don't have them in your path; or use env. vars. |
34 | |
35 | mvprog="${MVPROG-mv}" |
36 | cpprog="${CPPROG-cp}" |
37 | chmodprog="${CHMODPROG-chmod}" |
38 | chownprog="${CHOWNPROG-chown}" |
39 | chgrpprog="${CHGRPPROG-chgrp}" |
40 | stripprog="${STRIPPROG-strip}" |
41 | rmprog="${RMPROG-rm}" |
42 | mkdirprog="${MKDIRPROG-mkdir}" |
43 | |
44 | transformbasename="" |
45 | transform_arg="" |
46 | instcmd="$mvprog" |
47 | chmodcmd="$chmodprog 0755" |
48 | chowncmd="" |
49 | chgrpcmd="" |
50 | stripcmd="" |
51 | rmcmd="$rmprog -f" |
52 | mvcmd="$mvprog" |
53 | src="" |
54 | dst="" |
55 | dir_arg="" |
56 | |
57 | while [ x"$1" != x ]; do |
58 | case $1 in |
59 | -c) instcmd=$cpprog |
60 | shift |
61 | continue;; |
62 | |
63 | -d) dir_arg=true |
64 | shift |
65 | continue;; |
66 | |
67 | -m) chmodcmd="$chmodprog $2" |
68 | shift |
69 | shift |
70 | continue;; |
71 | |
72 | -o) chowncmd="$chownprog $2" |
73 | shift |
74 | shift |
75 | continue;; |
76 | |
77 | -g) chgrpcmd="$chgrpprog $2" |
78 | shift |
79 | shift |
80 | continue;; |
81 | |
82 | -s) stripcmd=$stripprog |
83 | shift |
84 | continue;; |
85 | |
86 | -t=*) transformarg=`echo $1 | sed 's/-t=//'` |
87 | shift |
88 | continue;; |
89 | |
90 | -b=*) transformbasename=`echo $1 | sed 's/-b=//'` |
91 | shift |
92 | continue;; |
93 | |
94 | *) if [ x"$src" = x ] |
95 | then |
96 | src=$1 |
97 | else |
98 | # this colon is to work around a 386BSD /bin/sh bug |
99 | : |
100 | dst=$1 |
101 | fi |
102 | shift |
103 | continue;; |
104 | esac |
105 | done |
106 | |
107 | if [ x"$src" = x ] |
108 | then |
109 | echo "$0: no input file specified" >&2 |
110 | exit 1 |
111 | else |
112 | : |
113 | fi |
114 | |
115 | if [ x"$dir_arg" != x ]; then |
116 | dst=$src |
117 | src="" |
118 | |
119 | if [ -d "$dst" ]; then |
120 | instcmd=: |
121 | chmodcmd="" |
122 | else |
123 | instcmd=$mkdirprog |
124 | fi |
125 | else |
126 | |
127 | # Waiting for this to be detected by the "$instcmd $src $dsttmp" command |
128 | # might cause directories to be created, which would be especially bad |
129 | # if $src (and thus $dsttmp) contains '*'. |
130 | |
131 | if [ -f "$src" ] || [ -d "$src" ] |
132 | then |
133 | : |
134 | else |
135 | echo "$0: $src does not exist" >&2 |
136 | exit 1 |
137 | fi |
138 | |
139 | if [ x"$dst" = x ] |
140 | then |
141 | echo "$0: no destination specified" >&2 |
142 | exit 1 |
143 | else |
144 | : |
145 | fi |
146 | |
147 | # If destination is a directory, append the input filename; if your system |
148 | # does not like double slashes in filenames, you may need to add some logic |
149 | |
150 | if [ -d "$dst" ] |
151 | then |
152 | dst=$dst/`basename "$src"` |
153 | else |
154 | : |
155 | fi |
156 | fi |
157 | |
158 | ## this sed command emulates the dirname command |
159 | dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'` |
160 | |
161 | # Make sure that the destination directory exists. |
162 | # this part is taken from Noah Friedman's mkinstalldirs script |
163 | |
164 | # Skip lots of stat calls in the usual case. |
165 | if [ ! -d "$dstdir" ]; then |
166 | defaultIFS=' |
167 | ' |
168 | IFS="${IFS-$defaultIFS}" |
169 | |
170 | oIFS=$IFS |
171 | # Some sh's can't handle IFS=/ for some reason. |
172 | IFS='%' |
173 | set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'` |
174 | IFS=$oIFS |
175 | |
176 | pathcomp='' |
177 | |
178 | while [ $# -ne 0 ] ; do |
179 | pathcomp=$pathcomp$1 |
180 | shift |
181 | |
182 | if [ ! -d "$pathcomp" ] ; |
183 | then |
184 | $mkdirprog "$pathcomp" |
185 | else |
186 | : |
187 | fi |
188 | |
189 | pathcomp=$pathcomp/ |
190 | done |
191 | fi |
192 | |
193 | if [ x"$dir_arg" != x ] |
194 | then |
195 | $doit $instcmd "$dst" && |
196 | |
197 | if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dst"; else : ; fi && |
198 | if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dst"; else : ; fi && |
199 | if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dst"; else : ; fi && |
200 | if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dst"; else : ; fi |
201 | else |
202 | |
203 | # If we're going to rename the final executable, determine the name now. |
204 | |
205 | if [ x"$transformarg" = x ] |
206 | then |
207 | dstfile=`basename "$dst"` |
208 | else |
209 | dstfile=`basename "$dst" $transformbasename | |
210 | sed $transformarg`$transformbasename |
211 | fi |
212 | |
213 | # don't allow the sed command to completely eliminate the filename |
214 | |
215 | if [ x"$dstfile" = x ] |
216 | then |
217 | dstfile=`basename "$dst"` |
218 | else |
219 | : |
220 | fi |
221 | |
222 | # Make a couple of temp file names in the proper directory. |
223 | |
224 | dsttmp=$dstdir/#inst.$$# |
225 | rmtmp=$dstdir/#rm.$$# |
226 | |
227 | # Trap to clean up temp files at exit. |
228 | |
229 | trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0 |
230 | trap '(exit $?); exit' 1 2 13 15 |
231 | |
232 | # Move or copy the file name to the temp name |
233 | |
234 | $doit $instcmd "$src" "$dsttmp" && |
235 | |
236 | # and set any options; do chmod last to preserve setuid bits |
237 | |
238 | # If any of these fail, we abort the whole thing. If we want to |
239 | # ignore errors from any of these, just make sure not to ignore |
240 | # errors from the above "$doit $instcmd $src $dsttmp" command. |
241 | |
242 | if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp"; else :;fi && |
243 | if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp"; else :;fi && |
244 | if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dsttmp"; else :;fi && |
245 | if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; else :;fi && |
246 | |
247 | # Now remove or move aside any old file at destination location. We try this |
248 | # two ways since rm can't unlink itself on some systems and the destination |
249 | # file might be busy for other reasons. In this case, the final cleanup |
250 | # might fail but the new file should still install successfully. |
251 | |
252 | { |
253 | if [ -f "$dstdir/$dstfile" ] |
254 | then |
255 | $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null || |
256 | $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null || |
257 | { |
258 | echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2 |
259 | (exit 1); exit |
260 | } |
261 | else |
262 | : |
263 | fi |
264 | } && |
265 | |
266 | # Now rename the file to the real destination. |
267 | |
268 | $doit $mvcmd "$dsttmp" "$dstdir/$dstfile" |
269 | |
270 | fi && |
271 | |
272 | # The final little trick to "correctly" pass the exit status to the exit trap. |
273 | |
274 | { |
275 | (exit 0); exit |
276 | } |