source: trunk/athena/etc/busyd/install-sh @ 11896

Revision 11896, 4.7 KB checked in by ghudson, 26 years ago (diff)
busyd, a daemon for answering larvnet status requests
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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="${MKDIRPROG-mkdir}"
31
32transformbasename=""
33transform_arg=""
34instcmd="$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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