/[pcre]/code/tags/pcre-6.1/install-sh
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Contents of /code/tags/pcre-6.1/install-sh

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Revision 80 - (hide annotations) (download)
Sat Feb 24 21:40:54 2007 UTC (7 years, 5 months ago) by nigel
File size: 5598 byte(s)
Tag code/trunk as code/tags/pcre-6.1.

1 nigel 41 #!/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     doit="${DOITPROG-}"
31    
32    
33     # put in absolute paths if you don't have them in your path; or use env. vars.
34    
35     mvprog="${MVPROG-mv}"
36     cpprog="${CPPROG-cp}"
37     chmodprog="${CHMODPROG-chmod}"
38     chownprog="${CHOWNPROG-chown}"
39     chgrpprog="${CHGRPPROG-chgrp}"
40     stripprog="${STRIPPROG-strip}"
41     rmprog="${RMPROG-rm}"
42     mkdirprog="${MKDIRPROG-mkdir}"
43    
44     transformbasename=""
45     transform_arg=""
46     instcmd="$mvprog"
47     chmodcmd="$chmodprog 0755"
48     chowncmd=""
49     chgrpcmd=""
50     stripcmd=""
51     rmcmd="$rmprog -f"
52     mvcmd="$mvprog"
53     src=""
54     dst=""
55     dir_arg=""
56    
57     while [ 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=$1
101     fi
102     shift
103     continue;;
104     esac
105     done
106    
107     if [ x"$src" = x ]
108     then
109     echo "install: no input file specified"
110     exit 1
111     else
112     true
113     fi
114    
115     if [ x"$dir_arg" != x ]; then
116     dst=$src
117     src=""
118    
119     if [ -d $dst ]; then
120     instcmd=:
121     chmodcmd=""
122     else
123     instcmd=mkdir
124     fi
125     else
126    
127     # Waiting for this to be detected by the "$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
156     fi
157    
158     ## this sed command emulates the dirname command
159     dstdir=`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.
165     if [ ! -d "$dstdir" ]; then
166     defaultIFS='
167     '
168     IFS="${IFS-${defaultIFS}}"
169    
170     oIFS="${IFS}"
171     # Some sh's can't handle IFS=/ for some reason.
172     IFS='%'
173     set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
174     IFS="${oIFS}"
175    
176     pathcomp=''
177    
178     while [ $# -ne 0 ] ; do
179     pathcomp="${pathcomp}${1}"
180     shift
181    
182     if [ ! -d "${pathcomp}" ] ;
183     then
184     $mkdirprog "${pathcomp}"
185     else
186     true
187     fi
188    
189     pathcomp="${pathcomp}/"
190     done
191     fi
192    
193     if [ x"$dir_arg" != x ]
194     then
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 $dst; else true ; fi
201     else
202    
203     # If we're going to rename the final executable, determine the name now.
204    
205     if [ x"$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    
248     fi &&
249    
250    
251     exit 0

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