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.