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view install-sh @ 369:19d57eb1b6a1
Minor refactoring change (else-if).
| author | markus schnalke <meillo@marmaro.de> |
|---|---|
| date | Thu, 20 Oct 2011 10:23:47 +0200 |
| parents | |
| children |
line source
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.
27 # set DOITPROG to echo to test this script
29 # Don't use :- since 4.3BSD and earlier shells don't like it.
30 doit="${DOITPROG-}"
33 # put in absolute paths if you don't have them in your path; or use env. vars.
35 mvprog="${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="${MKDIRPROG-mkdir}"
44 transformbasename=""
45 transform_arg=""
46 instcmd="$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=""
57 while [ x"$1" != x ]; do
58 case $1 in
59 -c) instcmd="$cpprog"
60 shift
61 continue;;
63 -d) dir_arg=true
64 shift
65 continue;;
67 -m) chmodcmd="$chmodprog $2"
68 shift
69 shift
70 continue;;
72 -o) chowncmd="$chownprog $2"
73 shift
74 shift
75 continue;;
77 -g) chgrpcmd="$chgrpprog $2"
78 shift
79 shift
80 continue;;
82 -s) stripcmd="$stripprog"
83 shift
84 continue;;
86 -t=*) transformarg=`echo $1 | sed 's/-t=//'`
87 shift
88 continue;;
90 -b=*) transformbasename=`echo $1 | sed 's/-b=//'`
91 shift
92 continue;;
94 *) if [ x"$src" = x ]
95 then
96 src=$1
97 else
98 # this colon is to work around a 386BSD /bin/sh bug
99 :
100 dst=$1
101 fi
102 shift
103 continue;;
104 esac
105 done
107 if [ x"$src" = x ]
108 then
109 echo "install: no input file specified"
110 exit 1
111 else
112 true
113 fi
115 if [ x"$dir_arg" != x ]; then
116 dst=$src
117 src=""
119 if [ -d $dst ]; then
120 instcmd=:
121 chmodcmd=""
122 else
123 instcmd=mkdir
124 fi
125 else
127 # Waiting for this to be detected by the "$instcmd $src $dsttmp" command
128 # might cause directories to be created, which would be especially bad
129 # if $src (and thus $dsttmp) contains '*'.
131 if [ -f $src -o -d $src ]
132 then
133 true
134 else
135 echo "install: $src does not exist"
136 exit 1
137 fi
139 if [ x"$dst" = x ]
140 then
141 echo "install: no destination specified"
142 exit 1
143 else
144 true
145 fi
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
150 if [ -d $dst ]
151 then
152 dst="$dst"/`basename $src`
153 else
154 true
155 fi
156 fi
158 ## this sed command emulates the dirname command
159 dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
161 # Make sure that the destination directory exists.
162 # this part is taken from Noah Friedman's mkinstalldirs script
164 # Skip lots of stat calls in the usual case.
165 if [ ! -d "$dstdir" ]; then
166 defaultIFS='
167 '
168 IFS="${IFS-${defaultIFS}}"
170 oIFS="${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}"
176 pathcomp=''
178 while [ $# -ne 0 ] ; do
179 pathcomp="${pathcomp}${1}"
180 shift
182 if [ ! -d "${pathcomp}" ] ;
183 then
184 $mkdirprog "${pathcomp}"
185 else
186 true
187 fi
189 pathcomp="${pathcomp}/"
190 done
191 fi
193 if [ x"$dir_arg" != x ]
194 then
195 $doit $instcmd $dst &&
197 if [ x"$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 $dst; else true ; fi
201 else
203 # If we're going to rename the final executable, determine the name now.
205 if [ x"$transformarg" = x ]
206 then
207 dstfile=`basename $dst`
208 else
209 dstfile=`basename $dst $transformbasename |
210 sed $transformarg`$transformbasename
211 fi
213 # don't allow the sed command to completely eliminate the filename
215 if [ x"$dstfile" = x ]
216 then
217 dstfile=`basename $dst`
218 else
219 true
220 fi
222 # Make a temp file name in the proper directory.
224 dsttmp=$dstdir/#inst.$$#
226 # Move or copy the file name to the temp name
228 $doit $instcmd $src $dsttmp &&
230 trap "rm -f ${dsttmp}" 0 &&
232 # and set any options; do chmod last to preserve setuid bits
234 # If any of these fail, we abort the whole thing. If we want to
235 # ignore errors from any of these, just make sure not to ignore
236 # errors from the above "$doit $instcmd $src $dsttmp" command.
238 if [ x"$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 &&
243 # Now rename the file to the real destination.
245 $doit $rmcmd -f $dstdir/$dstfile &&
246 $doit $mvcmd $dsttmp $dstdir/$dstfile
248 fi &&
251 exit 0