| 1 | #!/bin/sh
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| 2 | #
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| 3 | # install - install a program, script, or datafile
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| 4 | # This comes from X11R5 (mit/util/scripts/install.sh).
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| 5 | #
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| 6 | # Copyright 1991 by the Massachusetts Institute of Technology
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| 7 | #
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| 8 | # Permission to use, copy, modify, distribute, and sell this software and its
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| 9 | # documentation for any purpose is hereby granted without fee, provided that
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| 10 | # the above copyright notice appear in all copies and that both that
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| 11 | # copyright notice and this permission notice appear in supporting
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| 12 | # documentation, and that the name of M.I.T. not be used in advertising or
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| 13 | # publicity pertaining to distribution of the software without specific,
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| 14 | # written prior permission. M.I.T. makes no representations about the
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| 15 | # suitability of this software for any purpose. It is provided "as is"
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| 16 | # without express or implied warranty.
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| 17 | #
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| 18 | # Calling this script install-sh is preferred over install.sh, to prevent
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| 19 | # `make' implicit rules from creating a file called install from it
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| 20 | # when there is no Makefile.
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| 21 | #
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| 22 | # This script is compatible with the BSD install script, but was written
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| 23 | # from scratch. It can only install one file at a time, a restriction
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| 24 | # shared with many OS's install programs.
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| 25 |
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| 26 |
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| 27 | # set DOITPROG to echo to test this script
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| 28 |
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| 29 | # Don't use :- since 4.3BSD and earlier shells don't like it.
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| 30 | doit="${DOITPROG-}"
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| 31 |
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| 32 |
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| 33 | # put in absolute paths if you don't have them in your path; or use env. vars.
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| 34 |
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| 35 | mvprog="${MVPROG-mv}"
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| 36 | cpprog="${CPPROG-cp}"
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| 37 | chmodprog="${CHMODPROG-chmod}"
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| 38 | chownprog="${CHOWNPROG-chown}"
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| 39 | chgrpprog="${CHGRPPROG-chgrp}"
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| 40 | stripprog="${STRIPPROG-strip}"
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| 41 | rmprog="${RMPROG-rm}"
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| 42 | mkdirprog="${MKDIRPROG-mkdir}"
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| 43 |
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| 44 | transformbasename=""
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| 45 | transform_arg=""
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| 46 | instcmd="$mvprog"
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| 47 | chmodcmd="$chmodprog 0755"
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| 48 | chowncmd=""
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| 49 | chgrpcmd=""
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| 50 | stripcmd=""
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| 51 | rmcmd="$rmprog -f"
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| 52 | mvcmd="$mvprog"
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| 53 | src=""
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| 54 | dst=""
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| 55 | dir_arg=""
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| 56 |
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| 57 | while [ x"$1" != x ]; do
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| 58 | case $1 in
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| 59 | -c) instcmd=$cpprog
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| 60 | shift
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| 61 | continue;;
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| 62 |
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| 63 | -d) dir_arg=true
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| 64 | shift
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| 65 | continue;;
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| 66 |
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| 67 | -m) chmodcmd="$chmodprog $2"
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| 68 | shift
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| 69 | shift
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| 70 | continue;;
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| 71 |
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| 72 | -o) chowncmd="$chownprog $2"
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| 73 | shift
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| 74 | shift
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| 75 | continue;;
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| 76 |
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| 77 | -g) chgrpcmd="$chgrpprog $2"
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| 78 | shift
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| 79 | shift
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| 80 | continue;;
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| 81 |
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| 82 | -s) stripcmd=$stripprog
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| 83 | shift
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| 84 | continue;;
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| 85 |
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| 86 | -t=*) transformarg=`echo $1 | sed 's/-t=//'`
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| 87 | shift
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| 88 | continue;;
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| 89 |
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| 90 | -b=*) transformbasename=`echo $1 | sed 's/-b=//'`
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| 91 | shift
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| 92 | continue;;
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| 93 |
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| 94 | *) if [ x"$src" = x ]
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| 95 | then
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| 96 | src=$1
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| 97 | else
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| 98 | # this colon is to work around a 386BSD /bin/sh bug
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| 99 | :
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| 100 | dst=$1
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| 101 | fi
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| 102 | shift
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| 103 | continue;;
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| 104 | esac
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| 105 | done
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| 106 |
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| 107 | if [ x"$src" = x ]
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| 108 | then
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| 109 | echo "$0: no input file specified" >&2
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| 110 | exit 1
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| 111 | else
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| 112 | :
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| 113 | fi
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| 114 |
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| 115 | if [ x"$dir_arg" != x ]; then
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| 116 | dst=$src
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| 117 | src=""
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| 118 |
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| 119 | if [ -d "$dst" ]; then
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| 120 | instcmd=:
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| 121 | chmodcmd=""
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| 122 | else
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| 123 | instcmd=$mkdirprog
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| 124 | fi
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| 125 | else
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| 126 |
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| 127 | # Waiting for this to be detected by the "$instcmd $src $dsttmp" command
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| 128 | # might cause directories to be created, which would be especially bad
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| 129 | # if $src (and thus $dsttmp) contains '*'.
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| 130 |
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| 131 | if [ -f "$src" ] || [ -d "$src" ]
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| 132 | then
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| 133 | :
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| 134 | else
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| 135 | echo "$0: $src does not exist" >&2
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| 136 | exit 1
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| 137 | fi
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| 138 |
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| 139 | if [ x"$dst" = x ]
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| 140 | then
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| 141 | echo "$0: no destination specified" >&2
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| 142 | exit 1
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| 143 | else
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| 144 | :
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| 145 | fi
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| 146 |
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| 147 | # If destination is a directory, append the input filename; if your system
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| 148 | # does not like double slashes in filenames, you may need to add some logic
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| 149 |
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| 150 | if [ -d "$dst" ]
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| 151 | then
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| 152 | dst=$dst/`basename "$src"`
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| 153 | else
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| 154 | :
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| 155 | fi
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| 156 | fi
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| 157 |
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| 158 | ## this sed command emulates the dirname command
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| 159 | dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
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| 160 |
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| 161 | # Make sure that the destination directory exists.
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| 162 | # this part is taken from Noah Friedman's mkinstalldirs script
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| 163 |
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| 164 | # Skip lots of stat calls in the usual case.
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| 165 | if [ ! -d "$dstdir" ]; then
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| 166 | defaultIFS='
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| 167 | '
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| 168 | IFS="${IFS-$defaultIFS}"
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| 169 |
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| 170 | oIFS=$IFS
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| 171 | # Some sh's can't handle IFS=/ for some reason.
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| 172 | IFS='%'
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| 173 | set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
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| 174 | IFS=$oIFS
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| 175 |
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| 176 | pathcomp=''
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| 177 |
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| 178 | while [ $# -ne 0 ] ; do
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| 179 | pathcomp=$pathcomp$1
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| 180 | shift
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| 181 |
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| 182 | if [ ! -d "$pathcomp" ] ;
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| 183 | then
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| 184 | $mkdirprog "$pathcomp"
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| 185 | else
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| 186 | :
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| 187 | fi
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| 188 |
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| 189 | pathcomp=$pathcomp/
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| 190 | done
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| 191 | fi
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| 192 |
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| 193 | if [ x"$dir_arg" != x ]
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| 194 | then
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| 195 | $doit $instcmd "$dst" &&
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| 196 |
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| 197 | if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dst"; else : ; fi &&
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| 198 | if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dst"; else : ; fi &&
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| 199 | if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dst"; else : ; fi &&
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| 200 | if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dst"; else : ; fi
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| 201 | else
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| 202 |
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| 203 | # If we're going to rename the final executable, determine the name now.
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| 204 |
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| 205 | if [ x"$transformarg" = x ]
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| 206 | then
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| 207 | dstfile=`basename "$dst"`
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| 208 | else
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| 209 | dstfile=`basename "$dst" $transformbasename |
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| 210 | sed $transformarg`$transformbasename
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| 211 | fi
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| 212 |
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| 213 | # don't allow the sed command to completely eliminate the filename
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| 214 |
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| 215 | if [ x"$dstfile" = x ]
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| 216 | then
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| 217 | dstfile=`basename "$dst"`
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| 218 | else
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| 219 | :
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| 220 | fi
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| 221 |
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| 222 | # Make a couple of temp file names in the proper directory.
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| 223 |
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| 224 | dsttmp=$dstdir/#inst.$$#
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| 225 | rmtmp=$dstdir/#rm.$$#
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| 226 |
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| 227 | # Trap to clean up temp files at exit.
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| 228 |
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| 229 | trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0
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| 230 | trap '(exit $?); exit' 1 2 13 15
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| 231 |
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| 232 | # Move or copy the file name to the temp name
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| 233 |
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| 234 | $doit $instcmd "$src" "$dsttmp" &&
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| 235 |
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| 236 | # and set any options; do chmod last to preserve setuid bits
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| 237 |
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| 238 | # If any of these fail, we abort the whole thing. If we want to
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| 239 | # ignore errors from any of these, just make sure not to ignore
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| 240 | # errors from the above "$doit $instcmd $src $dsttmp" command.
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| 241 |
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| 242 | if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp"; else :;fi &&
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| 243 | if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp"; else :;fi &&
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| 244 | if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dsttmp"; else :;fi &&
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| 245 | if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; else :;fi &&
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| 246 |
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| 247 | # Now remove or move aside any old file at destination location. We try this
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| 248 | # two ways since rm can't unlink itself on some systems and the destination
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| 249 | # file might be busy for other reasons. In this case, the final cleanup
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| 250 | # might fail but the new file should still install successfully.
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| 251 |
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| 252 | {
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| 253 | if [ -f "$dstdir/$dstfile" ]
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| 254 | then
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| 255 | $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null ||
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| 256 | $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null ||
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| 257 | {
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| 258 | echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
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| 259 | (exit 1); exit
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| 260 | }
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| 261 | else
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| 262 | :
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| 263 | fi
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| 264 | } &&
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| 265 |
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| 266 | # Now rename the file to the real destination.
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| 267 |
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| 268 | $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
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| 269 |
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| 270 | fi &&
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| 271 |
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| 272 | # The final little trick to "correctly" pass the exit status to the exit trap.
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| 273 |
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| 274 | {
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| 275 | (exit 0); exit
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| 276 | }
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