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Damien Millerd8087f61999-11-25 12:31:26 +11001#!/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.
30doit="${DOITPROG-}"
31
32
33# put in absolute paths if you don't have them in your path; or use env. vars.
34
35mvprog="${MVPROG-mv}"
36cpprog="${CPPROG-cp}"
37chmodprog="${CHMODPROG-chmod}"
38chownprog="${CHOWNPROG-chown}"
39chgrpprog="${CHGRPPROG-chgrp}"
40stripprog="${STRIPPROG-strip}"
41rmprog="${RMPROG-rm}"
42mkdirprog="${MKDIRPROG-mkdir}"
43
44transformbasename=""
45transform_arg=""
46instcmd="$mvprog"
47chmodcmd="$chmodprog 0755"
48chowncmd=""
49chgrpcmd=""
50stripcmd=""
51rmcmd="$rmprog -f"
52mvcmd="$mvprog"
53src=""
54dst=""
55dir_arg=""
56
57while [ 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=$1
101 fi
102 shift
103 continue;;
104 esac
105done
106
107if [ x"$src" = x ]
108then
109 echo "install: no input file specified"
110 exit 1
111else
112 true
113fi
114
115if [ x"$dir_arg" != x ]; then
116 dst=$src
117 src=""
118
119 if [ -d $dst ]; then
120 instcmd=:
121 chmodcmd=""
122 else
123 instcmd=mkdir
124 fi
125else
126
127# Waiting for this to be detected by the "$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 -o -d $src ]
132 then
133 true
134 else
135 echo "install: $src does not exist"
136 exit 1
137 fi
138
139 if [ x"$dst" = x ]
140 then
141 echo "install: no destination specified"
142 exit 1
143 else
144 true
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 true
155 fi
156fi
157
158## this sed command emulates the dirname command
159dstdir=`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.
165if [ ! -d "$dstdir" ]; then
166defaultIFS='
167'
168IFS="${IFS-${defaultIFS}}"
169
170oIFS="${IFS}"
171# Some sh's can't handle IFS=/ for some reason.
172IFS='%'
173set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
174IFS="${oIFS}"
175
176pathcomp=''
177
178while [ $# -ne 0 ] ; do
179 pathcomp="${pathcomp}${1}"
180 shift
181
182 if [ ! -d "${pathcomp}" ] ;
183 then
184 $mkdirprog "${pathcomp}"
185 else
186 true
187 fi
188
189 pathcomp="${pathcomp}/"
190done
191fi
192
193if [ x"$dir_arg" != x ]
194then
195 $doit $instcmd $dst &&
196
197 if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi &&
198 if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi &&
199 if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi &&
200 if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi
201else
202
203# If we're going to rename the final executable, determine the name now.
204
205 if [ x"$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 $dst`
218 else
219 true
220 fi
221
222# Make a temp file name in the proper directory.
223
224 dsttmp=$dstdir/#inst.$$#
225
226# Move or copy the file name to the temp name
227
228 $doit $instcmd $src $dsttmp &&
229
230 trap "rm -f ${dsttmp}" 0 &&
231
232# and set any options; do chmod last to preserve setuid bits
233
234# If any of these fail, we abort the whole thing. If we want to
235# ignore errors from any of these, just make sure not to ignore
236# errors from the above "$doit $instcmd $src $dsttmp" command.
237
238 if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi &&
239 if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi &&
240 if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi &&
241 if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi &&
242
243# Now rename the file to the real destination.
244
245 $doit $rmcmd -f $dstdir/$dstfile &&
246 $doit $mvcmd $dsttmp $dstdir/$dstfile
247
248fi &&
249
250
251exit 0