3 # install - install a program, script, or datafile
4 # This comes from X11R5 (mit/util/scripts/install.sh).
6 # Copyright 1991 by the Massachusetts Institute of Technology
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.
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.
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.
27 # set DOITPROG to echo to test this script
29 # Don't use :- since 4.3BSD and earlier shells don't like it.
33 # put in absolute paths if you don't have them in your path; or use env. vars.
37 chmodprog="${CHMODPROG-chmod}"
38 chownprog="${CHOWNPROG-chown}"
39 chgrpprog="${CHGRPPROG-chgrp}"
40 stripprog="${STRIPPROG-strip}"
42 mkdirprog="${MKDIRPROG-mkdir}"
47 chmodcmd="$chmodprog 0755"
57 while [ x"$1" != x ]; do
67 -m) chmodcmd="$chmodprog $2"
72 -o) chowncmd="$chownprog $2"
77 -g) chgrpcmd="$chgrpprog $2"
82 -s) stripcmd=$stripprog
86 -t=*) transformarg=`echo $1 | sed 's/-t=//'`
90 -b=*) transformbasename=`echo $1 | sed 's/-b=//'`
98 # this colon is to work around a 386BSD /bin/sh bug
109 echo "$0: no input file specified" >&2
115 if [ x"$dir_arg" != x ]; then
119 if [ -d "$dst" ]; then
127 # Waiting for this to be detected by the "$instcmd $src $dsttmp" command
128 # might cause directories to be created, which would be especially bad
129 # if $src (and thus $dsttmp) contains '*'.
131 if [ -f "$src" ] || [ -d "$src" ]
135 echo "$0: $src does not exist" >&2
141 echo "$0: no destination specified" >&2
147 # If destination is a directory, append the input filename; if your system
148 # does not like double slashes in filenames, you may need to add some logic
152 dst=$dst/`basename "$src"`
158 ## this sed command emulates the dirname command
159 dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
161 # Make sure that the destination directory exists.
162 # this part is taken from Noah Friedman's mkinstalldirs script
164 # Skip lots of stat calls in the usual case.
165 if [ ! -d "$dstdir" ]; then
168 IFS="${IFS-$defaultIFS}"
171 # Some sh's can't handle IFS=/ for some reason.
173 set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
178 while [ $# -ne 0 ] ; do
182 if [ ! -d "$pathcomp" ] ;
184 $mkdirprog "$pathcomp"
193 if [ x"$dir_arg" != x ]
195 $doit $instcmd "$dst" &&
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
203 # If we're going to rename the final executable, determine the name now.
205 if [ x"$transformarg" = x ]
207 dstfile=`basename "$dst"`
209 dstfile=`basename "$dst" $transformbasename |
210 sed $transformarg`$transformbasename
213 # don't allow the sed command to completely eliminate the filename
215 if [ x"$dstfile" = x ]
217 dstfile=`basename "$dst"`
222 # Make a couple of temp file names in the proper directory.
224 dsttmp=$dstdir/#inst.$$#
225 rmtmp=$dstdir/#rm.$$#
227 # Trap to clean up temp files at exit.
229 trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0
230 trap '(exit $?); exit' 1 2 13 15
232 # Move or copy the file name to the temp name
234 $doit $instcmd "$src" "$dsttmp" &&
236 # and set any options; do chmod last to preserve setuid bits
238 # If any of these fail, we abort the whole thing. If we want to
239 # ignore errors from any of these, just make sure not to ignore
240 # errors from the above "$doit $instcmd $src $dsttmp" command.
242 if [ x"$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 &&
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.
253 if [ -f "$dstdir/$dstfile" ]
255 $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null ||
256 $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null ||
258 echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
266 # Now rename the file to the real destination.
268 $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
272 # The final little trick to "correctly" pass the exit status to the exit trap.