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1.1 root 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: }
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