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[pgp-tools.git] / keyanalyze / pgpring / install-sh
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.
18 doit="${DOITPROG-}"
19
20
21 # put in absolute paths if you don't have them in your path; or use env. vars.
22
23 mvprog="${MVPROG-mv}"
24 cpprog="${CPPROG-cp}"
25 chmodprog="${CHMODPROG-chmod}"
26 chownprog="${CHOWNPROG-chown}"
27 chgrpprog="${CHGRPPROG-chgrp}"
28 stripprog="${STRIPPROG-strip}"
29 rmprog="${RMPROG-rm}"
30 mkdirprog="${MKDIRPROG-mkdir}"
31
32 tranformbasename=""
33 transform_arg=""
34 instcmd="$mvprog"
35 chmodcmd="$chmodprog 0755"
36 chowncmd=""
37 chgrpcmd=""
38 stripcmd=""
39 rmcmd="$rmprog -f"
40 mvcmd="$mvprog"
41 src=""
42 dst=""
43 dir_arg=""
44
45 while [ 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=$1
89 fi
90 shift
91 continue;;
92 esac
93 done
94
95 if [ x"$src" = x ]
96 then
97 echo "install: no input file specified"
98 exit 1
99 else
100 true
101 fi
102
103 if [ x"$dir_arg" != x ]; then
104 dst=$src
105 src=""
106
107 if [ -d $dst ]; then
108 instcmd=:
109 else
110 instcmd=mkdir
111 fi
112 else
113
114 # Waiting for this to be detected by the "$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
143 fi
144
145 ## this sed command emulates the dirname command
146 dstdir=`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.
152 if [ ! -d "$dstdir" ]; then
153 defaultIFS='
154 '
155 IFS="${IFS-${defaultIFS}}"
156
157 oIFS="${IFS}"
158 # Some sh's can't handle IFS=/ for some reason.
159 IFS='%'
160 set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
161 IFS="${oIFS}"
162
163 pathcomp=''
164
165 while [ $# -ne 0 ] ; do
166 pathcomp="${pathcomp}${1}"
167 shift
168
169 if [ ! -d "${pathcomp}" ] ;
170 then
171 $mkdirprog "${pathcomp}"
172 else
173 true
174 fi
175
176 pathcomp="${pathcomp}/"
177 done
178 fi
179
180 if [ x"$dir_arg" != x ]
181 then
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 $dst; else true ; fi
188 else
189
190 # If we're going to rename the final executable, determine the name now.
191
192 if [ x"$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
235 fi &&
236
237
238 exit 0