Annotation of embedaddon/bmon/install-sh, revision 1.1.1.1
1.1 misho 1: #!/bin/sh
2: #
3: # install - install a program, script, or datafile
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:
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="${DOITPROG-}"
49:
50:
51: # put in absolute paths if you don't have them in your path; or use env. vars.
52:
53: mvprog="${MVPROG-mv}"
54: cpprog="${CPPROG-cp}"
55: chmodprog="${CHMODPROG-chmod}"
56: chownprog="${CHOWNPROG-chown}"
57: chgrpprog="${CHGRPPROG-chgrp}"
58: stripprog="${STRIPPROG-strip}"
59: rmprog="${RMPROG-rm}"
60: mkdirprog="${MKDIRPROG-mkdir}"
61:
62: transformbasename=""
63: transform_arg=""
64: instcmd="$mvprog"
65: chmodcmd="$chmodprog 0755"
66: chowncmd=""
67: chgrpcmd=""
68: stripcmd=""
69: rmcmd="$rmprog -f"
70: mvcmd="$mvprog"
71: src=""
72: dst=""
73: dir_arg=""
74:
75: while [ x"$1" != x ]; do
76: case $1 in
77: -c) instcmd=$cpprog
78: shift
79: continue;;
80:
81: -d) dir_arg=true
82: shift
83: continue;;
84:
85: -m) chmodcmd="$chmodprog $2"
86: shift
87: shift
88: continue;;
89:
90: -o) chowncmd="$chownprog $2"
91: shift
92: shift
93: continue;;
94:
95: -g) chgrpcmd="$chgrpprog $2"
96: shift
97: shift
98: continue;;
99:
100: -s) stripcmd=$stripprog
101: shift
102: continue;;
103:
104: -t=*) transformarg=`echo $1 | sed 's/-t=//'`
105: shift
106: continue;;
107:
108: -b=*) transformbasename=`echo $1 | sed 's/-b=//'`
109: shift
110: continue;;
111:
112: *) if [ x"$src" = x ]
113: then
114: src=$1
115: else
116: # this colon is to work around a 386BSD /bin/sh bug
117: :
118: dst=$1
119: fi
120: shift
121: continue;;
122: esac
123: done
124:
125: if [ x"$src" = x ]
126: then
127: echo "$0: no input file specified" >&2
128: exit 1
129: else
130: :
131: fi
132:
133: if [ x"$dir_arg" != x ]; then
134: dst=$src
135: src=""
136:
137: if [ -d "$dst" ]; then
138: instcmd=:
139: chmodcmd=""
140: else
141: instcmd=$mkdirprog
142: fi
143: else
144:
145: # Waiting for this to be detected by the "$instcmd $src $dsttmp" command
146: # might cause directories to be created, which would be especially bad
147: # if $src (and thus $dsttmp) contains '*'.
148:
149: if [ -f "$src" ] || [ -d "$src" ]
150: then
151: :
152: else
153: echo "$0: $src does not exist" >&2
154: exit 1
155: fi
156:
157: if [ x"$dst" = x ]
158: then
159: echo "$0: no destination specified" >&2
160: exit 1
161: else
162: :
163: fi
164:
165: # If destination is a directory, append the input filename; if your system
166: # does not like double slashes in filenames, you may need to add some logic
167:
168: if [ -d "$dst" ]
169: then
170: dst=$dst/`basename "$src"`
171: else
172: :
173: fi
174: fi
175:
176: ## this sed command emulates the dirname command
177: dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
178:
179: # Make sure that the destination directory exists.
180: # this part is taken from Noah Friedman's mkinstalldirs script
181:
182: # Skip lots of stat calls in the usual case.
183: if [ ! -d "$dstdir" ]; then
184: defaultIFS='
185: '
186: IFS="${IFS-$defaultIFS}"
187:
188: oIFS=$IFS
189: # Some sh's can't handle IFS=/ for some reason.
190: IFS='%'
191: set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
192: IFS=$oIFS
193:
194: pathcomp=''
195:
196: while [ $# -ne 0 ] ; do
197: pathcomp=$pathcomp$1
198: shift
199:
200: if [ ! -d "$pathcomp" ] ;
201: then
202: $mkdirprog "$pathcomp"
203: else
204: :
205: fi
206:
207: pathcomp=$pathcomp/
208: done
209: fi
210:
211: if [ x"$dir_arg" != x ]
212: then
213: $doit $instcmd "$dst" &&
214:
215: if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dst"; else : ; fi &&
216: if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dst"; else : ; fi &&
217: if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dst"; else : ; fi &&
218: if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dst"; else : ; fi
219: else
220:
221: # If we're going to rename the final executable, determine the name now.
222:
223: if [ x"$transformarg" = x ]
224: then
225: dstfile=`basename "$dst"`
226: else
227: dstfile=`basename "$dst" $transformbasename |
228: sed $transformarg`$transformbasename
229: fi
230:
231: # don't allow the sed command to completely eliminate the filename
232:
233: if [ x"$dstfile" = x ]
234: then
235: dstfile=`basename "$dst"`
236: else
237: :
238: fi
239:
240: # Make a couple of temp file names in the proper directory.
241:
242: dsttmp=$dstdir/_inst.$$_
243: rmtmp=$dstdir/_rm.$$_
244:
245: # Trap to clean up temp files at exit.
246:
247: trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0
248: trap '(exit $?); exit' 1 2 13 15
249:
250: # Move or copy the file name to the temp name
251:
252: $doit $instcmd "$src" "$dsttmp" &&
253:
254: # and set any options; do chmod last to preserve setuid bits
255:
256: # If any of these fail, we abort the whole thing. If we want to
257: # ignore errors from any of these, just make sure not to ignore
258: # errors from the above "$doit $instcmd $src $dsttmp" command.
259:
260: if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp"; else :;fi &&
261: if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp"; else :;fi &&
262: if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dsttmp"; else :;fi &&
263: if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; else :;fi &&
264:
265: # Now remove or move aside any old file at destination location. We try this
266: # two ways since rm can't unlink itself on some systems and the destination
267: # file might be busy for other reasons. In this case, the final cleanup
268: # might fail but the new file should still install successfully.
269:
270: {
271: if [ -f "$dstdir/$dstfile" ]
272: then
273: $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null ||
274: $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null ||
275: {
276: echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
277: (exit 1); exit
278: }
279: else
280: :
281: fi
282: } &&
283:
284: # Now rename the file to the real destination.
285:
286: $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
287:
288: fi &&
289:
290: # The final little trick to "correctly" pass the exit status to the exit trap.
291:
292: {
293: (exit 0); exit
294: }
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