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#
31# Modified 1 Feb 2000 MHES to cater for mkdir -p
32#
33doit="${DOITPROG-}"
34
35
36# put in absolute paths if you don't have them in your path; or use env. vars.
37
38mvprog="${MVPROG-mv}"
39cpprog="${CPPROG-cp}"
40chmodprog="${CHMODPROG-chmod}"
41chownprog="${CHOWNPROG-chown}"
42chgrpprog="${CHGRPPROG-chgrp}"
43stripprog="${STRIPPROG-strip}"
44rmprog="${RMPROG-rm}"
45mkdirprog="${MKDIRPROG-mkdir}"
46
47transformbasename=""
48transform_arg=""
49instcmd="$mvprog"
50chmodcmd="$chmodprog 0755"
51chowncmd=""
52chgrpcmd=""
53stripcmd=""
54rmcmd="$rmprog -f"
55mvcmd="$mvprog"
56mkdircmd="$mkdirprog -p"
57src=""
58dst=""
59dir_arg=""
60
61while [ x"$1" != x ]; do
62    case $1 in
63        -c) instcmd="$cpprog"
64            shift
65            continue;;
66
67        -d) dir_arg=true
68            shift
69            continue;;
70
71        -m) chmodcmd="$chmodprog $2"
72            shift
73            shift
74            continue;;
75
76        -o) chowncmd="$chownprog $2"
77            shift
78            shift
79            continue;;
80
81        -g) chgrpcmd="$chgrpprog $2"
82            shift
83            shift
84            continue;;
85
86        -s) stripcmd="$stripprog"
87            shift
88            continue;;
89
90        -t=*) transformarg=`echo $1 | sed 's/-t=//'`
91            shift
92            continue;;
93
94        -b=*) transformbasename=`echo $1 | sed 's/-b=//'`
95            shift
96            continue;;
97
98        *)  if [ x"$src" = x ]
99            then
100                src=$1
101            else
102                # this colon is to work around a 386BSD /bin/sh bug
103                :
104                dst=$1
105            fi
106            shift
107            continue;;
108    esac
109done
110
111if [ x"$src" = x ]
112then
113        echo "install:  no input file specified"
114        exit 1
115else
116        true
117fi
118
119if [ x"$dir_arg" != x ]; then
120        dst=$src
121        src=""
122
123        if [ -d $dst ]; then
124                instcmd=:
125        else
126                instcmd=mkdir
127        fi
128else
129
130# Waiting for this to be detected by the "$instcmd $src $dsttmp" command
131# might cause directories to be created, which would be especially bad
132# if $src (and thus $dsttmp) contains '*'.
133
134        if [ -f $src -o -d $src ]
135        then
136                true
137        else
138                echo "install:  $src does not exist"
139                exit 1
140        fi
141
142        if [ x"$dst" = x ]
143        then
144                echo "install:  no destination specified"
145                exit 1
146        else
147                true
148        fi
149
150# If destination is a directory, append the input filename; if your system
151# does not like double slashes in filenames, you may need to add some logic
152
153        if [ -d $dst ]
154        then
155                dst="$dst"/`basename $src`
156        else
157                true
158        fi
159fi
160
161## this sed command emulates the dirname command
162dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
163
164# Make sure that the destination directory exists.
165#  this part is taken from Noah Friedman's mkinstalldirs script
166
167# Skip lots of stat calls in the usual case.
168if [ ! -d "$dstdir" ]; then
169defaultIFS='
170'
171IFS="${IFS-${defaultIFS}}"
172
173oIFS="${IFS}"
174# Some sh's can't handle IFS=/ for some reason.
175IFS='%'
176set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
177IFS="${oIFS}"
178
179pathcomp=''
180
181while [ $# -ne 0 ] ; do
182        pathcomp="${pathcomp}${1}"
183        shift
184
185        if [ ! -d "${pathcomp}" ] ;
186        then
187                $mkdircmd "${pathcomp}"
188        else
189                true
190        fi
191
192        pathcomp="${pathcomp}/"
193done
194fi
195
196if [ x"$dir_arg" != x ]
197then
198        $doit $instcmd $dst &&
199
200        if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi &&
201        if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi &&
202        if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi &&
203        if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi
204else
205
206# If we're going to rename the final executable, determine the name now.
207
208        if [ x"$transformarg" = x ]
209        then
210                dstfile=`basename $dst`
211        else
212                dstfile=`basename $dst $transformbasename |
213                        sed $transformarg`$transformbasename
214        fi
215
216# don't allow the sed command to completely eliminate the filename
217
218        if [ x"$dstfile" = x ]
219        then
220                dstfile=`basename $dst`
221        else
222                true
223        fi
224
225# Make a temp file name in the proper directory.
226
227        dsttmp=$dstdir/#inst.$$#
228
229# Move or copy the file name to the temp name
230
231        $doit $instcmd $src $dsttmp &&
232
233        trap "rm -f ${dsttmp}" 0 &&
234
235# and set any options; do chmod last to preserve setuid bits
236
237# If any of these fail, we abort the whole thing.  If we want to
238# ignore errors from any of these, just make sure not to ignore
239# errors from the above "$doit $instcmd $src $dsttmp" command.
240
241        if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi &&
242        if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi &&
243        if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi &&
244        if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi &&
245
246# Now rename the file to the real destination.
247
248        $doit $rmcmd -f $dstdir/$dstfile &&
249        $doit $mvcmd $dsttmp $dstdir/$dstfile
250
251fi &&
252
253exit 0
254