install.sh

   1 #!/bin/sh
   2 set -e
   3
   4 #
   5 # install - install a program, script, or datafile
   6 # This comes from X11R5; it is not part of GNU.
   7 #
   8 # $XConsortium: install.sh,v 1.2 89/12/18 14:47:22 jim Exp $
   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=""
  36 chowncmd=""
  37 chgrpcmd=""
  38 stripcmd=""
  39 rmcmd="$rmprog -f"
  40 mvcmd="$mvprog"
  41 src=""
  42 dst=""
  43
  44 while [ x"$1" != x ]; do
  45     case $1 in
  46         -c) instcmd="$cpprog"
  47             shift
  48             continue;;
  49
  50         -m) chmodcmd="$chmodprog $2"
  51             shift
  52             shift
  53             continue;;
  54
  55         -o) chowncmd="$chownprog $2"
  56             shift
  57             shift
  58             continue;;
  59
  60         -g) chgrpcmd="$chgrpprog $2"
  61             shift
  62             shift
  63             continue;;
  64
  65         -s) stripcmd="$stripprog"
  66             shift
  67             continue;;
  68
  69         -t=*) transformarg=`echo $1 | sed 's/-t=//'`
  70             shift
  71             continue;;
  72
  73         -b=*) transformbasename=`echo $1 | sed 's/-b=//'`
  74             shift
  75             continue;;
  76
  77         *)  if [ x"$src" = x ]
  78             then
  79                 src=$1
  80             else
  81                 # this colon is to work around a 386BSD /bin/sh bug
  82                 :
  83                 dst=$1
  84             fi
  85             shift
  86             continue;;
  87     esac
  88 done
  89
  90 if [ x"$src" = x ]
  91 then
  92         echo "install:  no input file specified"
  93         exit 1
  94 else
  95         true
  96 fi
  97
  98 # Waiting for this to be detected by the "$instcmd $src $dsttmp" command
  99 # might cause directories to be created, which would be especially bad
 100 # if $src (and thus $dsttmp) contains '*'.
 101
 102 if [ -f $src -o -d $src ]
 103 then
 104         true
 105 else
 106         echo "install:  $src does not exist"
 107         exit 1
 108 fi
 109
 110 if [ x"$dst" = x ]
 111 then
 112         echo "install:  no destination specified"
 113         exit 1
 114 else
 115         true
 116 fi
 117
 118 # If destination is a directory, append the input filename; if your system
 119 # does not like double slashes in filenames, you may need to add some logic
 120
 121 if [ -d $dst ]
 122 then
 123         dst="$dst"/`basename $src`
 124 else
 125         true
 126 fi
 127
 128
 129 # Make a temp file name in the proper directory.
 130
 131 ## this sed command emulates the dirname command
 132 dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
 133 dsttmp=$dstdir/#inst.$$#
 134
 135 # Make sure that the destination directory exists.
 136 #  this part is taken from Noah Friedman's mkinstalldirs script
 137
 138 defaultIFS='
 139 '
 140 IFS="${IFS-${defaultIFS}}"
 141
 142 oIFS="${IFS}"
 143 # Some sh's can't handle IFS=/ for some reason.
 144 IFS='%'
 145 set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
 146 IFS="${oIFS}"
 147
 148 pathcomp=''
 149
 150 while [ $# -ne 0 ] ; do
 151         pathcomp="${pathcomp}${1}"
 152         shift
 153
 154         if [ ! -d "${pathcomp}" ] ;
 155         then
 156                 $mkdirprog "${pathcomp}"
 157         else
 158                 true
 159         fi
 160
 161         pathcomp="${pathcomp}/"
 162 done
 163
 164 # If we're going to rename the final executable, determine the name now.
 165
 166 if [ x"$transformarg" = x ]
 167 then
 168         dstfile=`basename $dst`
 169 else
 170         dstfile=`basename $dst $transformbasename | sed $transformarg`$transformbasename
 171 fi
 172
 173 # don't allow the sed command to completely eliminate the filename
 174
 175 if [ x"$dstfile" = x ]
 176 then
 177         dstfile=`basename $dst`
 178 else
 179         true
 180 fi
 181
 182 # Move or copy the file name to the temp name
 183
 184 $doit $instcmd $src $dsttmp &&
 185
 186 trap "rm -f ${dsttmp}" 0 &&
 187
 188 # and set any options; do chmod last to preserve setuid bits
 189
 190 # If any of these fail, we abort the whole thing.  If we want to
 191 # ignore errors from any of these, just make sure not to ignore
 192 # errors from the above "$doit $instcmd $src $dsttmp" command.
 193
 194 if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; fi &&
 195 if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; fi &&
 196 if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; fi &&
 197 if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; fi &&
 198
 199 # Now rename the file to the real destination.
 200
 201 $doit $rmcmd -f $dstdir/$dstfile &&
 202 $doit $mvcmd $dsttmp $dstdir/$dstfile &&
 203
 204
 205 exit 0