source: abuse/trunk/install-sh @ 2

Last change on this file since 2 was 2, checked in by Sam Hocevar, 14 years ago
  • imported original 0.7.0 tarball
  • Property svn:executable set to *
File size: 5.5 KB
Line 
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        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
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