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Linux Cross Reference
Tina5/tina-libs/install-sh

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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.
 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         :
113 fi
114 
115 if [ x"$dir_arg" != x ]; then
116         dst=$src
117         src=""
118         
119         if [ -d $dst ]; then
120                 instcmd=:
121                 chmodcmd=""
122         else
123                 instcmd=$mkdirprog
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" ] || [ -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
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                 :
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 $dst; else : ; fi &&
198         if [ x"$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 $dst; else : ; fi
201 else
202 
203 # If we're going to rename the final executable, determine the name now.
204 
205         if [ x"$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 $dst`
218         else
219                 :
220         fi
221 
222 # Make a temp file name in the proper directory.
223 
224         dsttmp=$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 
248 fi &&
249 
250 
251 exit 0

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