s3:locking:brlock: improve the comment for the brl self cleaning code
[Samba/gebeck_regimport.git] / source3 / install-sh
blob58719246f0407f315fccac407d19c3ef49e6fad1
1 #! /bin/sh
3 # install - install a program, script, or datafile
4 # This comes from X11R5.
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.
10 # This script is compatible with the BSD install script, but was written
11 # from scratch.
15 # set DOITPROG to echo to test this script
17 # Don't use :- since 4.3BSD and earlier shells don't like it.
18 doit="${DOITPROG-}"
21 # put in absolute paths if you don't have them in your path; or use env. vars.
23 mvprog="${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="${MKDIRPROG-mkdir}"
32 transformbasename=""
33 transform_arg=""
34 instcmd="$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=""
45 while [ x"$1" != x ]; do
46 case $1 in
47 -c) instcmd="$cpprog"
48 shift
49 continue;;
51 -d) dir_arg=true
52 shift
53 continue;;
55 -m) chmodcmd="$chmodprog $2"
56 shift
57 shift
58 continue;;
60 -o) chowncmd="$chownprog $2"
61 shift
62 shift
63 continue;;
65 -g) chgrpcmd="$chgrpprog $2"
66 shift
67 shift
68 continue;;
70 -s) stripcmd="$stripprog"
71 shift
72 continue;;
74 -t=*) transformarg=`echo $1 | sed 's/-t=//'`
75 shift
76 continue;;
78 -b=*) transformbasename=`echo $1 | sed 's/-b=//'`
79 shift
80 continue;;
82 *) if [ x"$src" = x ]
83 then
84 src=$1
85 else
86 # this colon is to work around a 386BSD /bin/sh bug
88 dst=$1
90 shift
91 continue;;
92 esac
93 done
95 if [ x"$src" = x ]
96 then
97 echo "install: no input file specified"
98 exit 1
99 else
100 true
103 if [ x"$dir_arg" != x ]; then
104 dst=$src
105 src=""
107 if [ -d $dst ]; then
108 instcmd=:
109 else
110 instcmd=mkdir
112 else
114 # Waiting for this to be detected by the "$instcmd $src $dsttmp" command
115 # might cause directories to be created, which would be especially bad
116 # if $src (and thus $dsttmp) contains '*'.
118 if [ -f $src -o -d $src ]
119 then
120 true
121 else
122 echo "install: $src does not exist"
123 exit 1
126 if [ x"$dst" = x ]
127 then
128 echo "install: no destination specified"
129 exit 1
130 else
131 true
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
137 if [ -d $dst ]
138 then
139 dst="$dst"/`basename $src`
140 else
141 true
145 ## this sed command emulates the dirname command
146 dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
148 # Make sure that the destination directory exists.
149 # this part is taken from Noah Friedman's mkinstalldirs script
151 # Skip lots of stat calls in the usual case.
152 if [ ! -d "$dstdir" ]; then
153 defaultIFS='
155 IFS="${IFS-${defaultIFS}}"
157 oIFS="${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}"
163 pathcomp=''
165 while [ $# -ne 0 ] ; do
166 pathcomp="${pathcomp}${1}"
167 shift
169 if [ ! -d "${pathcomp}" ] ;
170 then
171 $mkdirprog "${pathcomp}"
172 else
173 true
176 pathcomp="${pathcomp}/"
177 done
180 if [ x"$dir_arg" != x ]
181 then
182 $doit $instcmd $dst &&
184 if [ x"$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 $dst; else true ; fi
188 else
190 # If we're going to rename the final executable, determine the name now.
192 if [ x"$transformarg" = x ]
193 then
194 dstfile=`basename $dst`
195 else
196 dstfile=`basename $dst $transformbasename |
197 sed $transformarg`$transformbasename
200 # don't allow the sed command to completely eliminate the filename
202 if [ x"$dstfile" = x ]
203 then
204 dstfile=`basename $dst`
205 else
206 true
209 # Make a temp file name in the proper directory.
211 dsttmp=$dstdir/#inst.$$#
213 # Move or copy the file name to the temp name
215 $doit $instcmd $src $dsttmp &&
217 trap "rm -f ${dsttmp}" 0 &&
219 # and set any options; do chmod last to preserve setuid bits
221 # If any of these fail, we abort the whole thing. If we want to
222 # ignore errors from any of these, just make sure not to ignore
223 # errors from the above "$doit $instcmd $src $dsttmp" command.
225 if [ x"$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 &&
230 # Now rename the file to the real destination.
232 $doit $rmcmd -f $dstdir/$dstfile &&
233 $doit $mvcmd $dsttmp $dstdir/$dstfile
235 fi &&
238 exit 0