source: trunk/mondo/install-sh @ 20

Last change on this file since 20 was 3, checked in by bcornec, 14 years ago

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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.
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    :
113fi
114
115if [ x"$dir_arg" != x ]; then
116    dst=$src
117    src=""
118   
119    if [ -d $dst ]; then
120        instcmd=:
121        chmodcmd=""
122    else
123        instcmd=$mkdirprog
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" ] || [ -d "$src" ]
132    then
133        :
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        :
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
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        :
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 $dst; else : ; fi &&
198    if [ x"$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 $dst; else : ; fi
201else
202
203# If we're going to rename the final executable, determine the name now.
204
205    if [ x"$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 $dst`
218    else
219        :
220    fi
221
222# Make a temp file name in the proper directory.
223
224    dsttmp=$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 $dsttmp; else :;fi &&
239    if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else :;fi &&
240    if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else :;fi &&
241    if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else :;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
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