root/gsdl/trunk/install-sh @ 18379

Revision 705, 4.7 KB (checked in by sjboddie, 20 years ago)

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1#! /bin/sh
2#
3# install - install a program, script, or datafile
4# This comes from X11R5.
5#
6# Calling this script install-sh is preferred over install.sh, to prevent
7# `make' implicit rules from creating a file called install from it
8# when there is no Makefile.
9#
10# This script is compatible with the BSD install script, but was written
11# from scratch.
12#
13
14
15# set DOITPROG to echo to test this script
16
17# Don't use :- since 4.3BSD and earlier shells don't like it.
18doit="${DOITPROG-}"
19
20
21# put in absolute paths if you don't have them in your path; or use env. vars.
22
23mvprog="${MVPROG-mv}"
24cpprog="${CPPROG-cp}"
25chmodprog="${CHMODPROG-chmod}"
26chownprog="${CHOWNPROG-chown}"
27chgrpprog="${CHGRPPROG-chgrp}"
28stripprog="${STRIPPROG-strip}"
29rmprog="${RMPROG-rm}"
30mkdirprog="${MKDIRPROG-mkdir}"
31
32tranformbasename=""
33transform_arg=""
34instcmd="$mvprog"
35chmodcmd="$chmodprog 0755"
36chowncmd=""
37chgrpcmd=""
38stripcmd=""
39rmcmd="$rmprog -f"
40mvcmd="$mvprog"
41src=""
42dst=""
43dir_arg=""
44
45while [ x"$1" != x ]; do
46    case $1 in
47    -c) instcmd="$cpprog"
48        shift
49        continue;;
50
51    -d) dir_arg=true
52        shift
53        continue;;
54
55    -m) chmodcmd="$chmodprog $2"
56        shift
57        shift
58        continue;;
59
60    -o) chowncmd="$chownprog $2"
61        shift
62        shift
63        continue;;
64
65    -g) chgrpcmd="$chgrpprog $2"
66        shift
67        shift
68        continue;;
69
70    -s) stripcmd="$stripprog"
71        shift
72        continue;;
73
74    -t=*) transformarg=`echo $1 | sed 's/-t=//'`
75        shift
76        continue;;
77
78    -b=*) transformbasename=`echo $1 | sed 's/-b=//'`
79        shift
80        continue;;
81
82    *)  if [ x"$src" = x ]
83        then
84        src=$1
85        else
86        # this colon is to work around a 386BSD /bin/sh bug
87        :
88        dst=$1
89        fi
90        shift
91        continue;;
92    esac
93done
94
95if [ x"$src" = x ]
96then
97    echo "install:  no input file specified"
98    exit 1
99else
100    true
101fi
102
103if [ x"$dir_arg" != x ]; then
104    dst=$src
105    src=""
106   
107    if [ -d $dst ]; then
108        instcmd=:
109    else
110        instcmd=mkdir
111    fi
112else
113
114# Waiting for this to be detected by the "$instcmd $src $dsttmp" command
115# might cause directories to be created, which would be especially bad
116# if $src (and thus $dsttmp) contains '*'.
117
118    if [ -f $src -o -d $src ]
119    then
120        true
121    else
122        echo "install:  $src does not exist"
123        exit 1
124    fi
125   
126    if [ x"$dst" = x ]
127    then
128        echo "install:  no destination specified"
129        exit 1
130    else
131        true
132    fi
133
134# If destination is a directory, append the input filename; if your system
135# does not like double slashes in filenames, you may need to add some logic
136
137    if [ -d $dst ]
138    then
139        dst="$dst"/`basename $src`
140    else
141        true
142    fi
143fi
144
145## this sed command emulates the dirname command
146dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
147
148# Make sure that the destination directory exists.
149#  this part is taken from Noah Friedman's mkinstalldirs script
150
151# Skip lots of stat calls in the usual case.
152if [ ! -d "$dstdir" ]; then
153defaultIFS='   
154'
155IFS="${IFS-${defaultIFS}}"
156
157oIFS="${IFS}"
158# Some sh's can't handle IFS=/ for some reason.
159IFS='%'
160set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
161IFS="${oIFS}"
162
163pathcomp=''
164
165while [ $# -ne 0 ] ; do
166    pathcomp="${pathcomp}${1}"
167    shift
168
169    if [ ! -d "${pathcomp}" ] ;
170        then
171        $mkdirprog "${pathcomp}"
172    else
173        true
174    fi
175
176    pathcomp="${pathcomp}/"
177done
178fi
179
180if [ x"$dir_arg" != x ]
181then
182    $doit $instcmd $dst &&
183
184    if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi &&
185    if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi &&
186    if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi &&
187    if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi
188else
189
190# If we're going to rename the final executable, determine the name now.
191
192    if [ x"$transformarg" = x ]
193    then
194        dstfile=`basename $dst`
195    else
196        dstfile=`basename $dst $transformbasename |
197            sed $transformarg`$transformbasename
198    fi
199
200# don't allow the sed command to completely eliminate the filename
201
202    if [ x"$dstfile" = x ]
203    then
204        dstfile=`basename $dst`
205    else
206        true
207    fi
208
209# Make a temp file name in the proper directory.
210
211    dsttmp=$dstdir/#inst.$$#
212
213# Move or copy the file name to the temp name
214
215    $doit $instcmd $src $dsttmp &&
216
217    trap "rm -f ${dsttmp}" 0 &&
218
219# and set any options; do chmod last to preserve setuid bits
220
221# If any of these fail, we abort the whole thing.  If we want to
222# ignore errors from any of these, just make sure not to ignore
223# errors from the above "$doit $instcmd $src $dsttmp" command.
224
225    if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi &&
226    if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi &&
227    if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi &&
228    if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi &&
229
230# Now rename the file to the real destination.
231
232    $doit $rmcmd -f $dstdir/$dstfile &&
233    $doit $mvcmd $dsttmp $dstdir/$dstfile
234
235fi &&
236
237
238exit 0
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