| 1 | #!/bin/sh |
| 2 | # |
| 3 | # install - install a program, script, or datafile |
| 4 | # |
| 5 | # This originates from X11R5 (mit/util/scripts/install.sh), which was |
| 6 | # later released in X11R6 (xc/config/util/install.sh) with the |
| 7 | # following copyright and license. |
| 8 | # |
| 9 | # Copyright (C) 1994 X Consortium |
| 10 | # |
| 11 | # Permission is hereby granted, free of charge, to any person obtaining a copy |
| 12 | # of this software and associated documentation files (the "Software"), to |
| 13 | # deal in the Software without restriction, including without limitation the |
| 14 | # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 15 | # sell copies of the Software, and to permit persons to whom the Software is |
| 16 | # furnished to do so, subject to the following conditions: |
| 17 | # |
| 18 | # The above copyright notice and this permission notice shall be included in |
| 19 | # all copies or substantial portions of the Software. |
| 20 | # |
| 21 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 22 | # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 23 | # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 24 | # X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
| 25 | # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- |
| 26 | # TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 27 | # |
| 28 | # Except as contained in this notice, the name of the X Consortium shall not |
| 29 | # be used in advertising or otherwise to promote the sale, use or other deal- |
| 30 | # ings in this Software without prior written authorization from the X Consor- |
| 31 | # tium. |
| 32 | # |
| 33 | # |
| 34 | # FSF changes to this file are in the public domain. |
| 35 | # |
| 36 | # Calling this script install-sh is preferred over install.sh, to prevent |
| 37 | # `make' implicit rules from creating a file called install from it |
| 38 | # when there is no Makefile. |
| 39 | # |
| 40 | # This script is compatible with the BSD install script, but was written |
| 41 | # from scratch. It can only install one file at a time, a restriction |
| 42 | # shared with many OS's install programs. |
| 43 | |
| 44 | |
| 45 | # set DOITPROG to echo to test this script |
| 46 | |
| 47 | # Don't use :- since 4.3BSD and earlier shells don't like it. |
| 48 | doit="${DOITPROG-}" |
| 49 | |
| 50 | |
| 51 | # put in absolute paths if you don't have them in your path; or use env. vars. |
| 52 | |
| 53 | mvprog="${MVPROG-mv}" |
| 54 | cpprog="${CPPROG-cp}" |
| 55 | chmodprog="${CHMODPROG-chmod}" |
| 56 | chownprog="${CHOWNPROG-chown}" |
| 57 | chgrpprog="${CHGRPPROG-chgrp}" |
| 58 | stripprog="${STRIPPROG-strip}" |
| 59 | rmprog="${RMPROG-rm}" |
| 60 | mkdirprog="${MKDIRPROG-mkdir}" |
| 61 | |
| 62 | transformbasename="" |
| 63 | transform_arg="" |
| 64 | instcmd="$mvprog" |
| 65 | chmodcmd="$chmodprog 0755" |
| 66 | chowncmd="" |
| 67 | chgrpcmd="" |
| 68 | stripcmd="" |
| 69 | rmcmd="$rmprog -f" |
| 70 | mvcmd="$mvprog" |
| 71 | src="" |
| 72 | dst="" |
| 73 | dir_arg="" |
| 74 | |
| 75 | while [ x"$1" != x ]; do |
| 76 | case $1 in |
| 77 | -c) instcmd=$cpprog |
| 78 | shift |
| 79 | continue;; |
| 80 | |
| 81 | -d) dir_arg=true |
| 82 | shift |
| 83 | continue;; |
| 84 | |
| 85 | -m) chmodcmd="$chmodprog $2" |
| 86 | shift |
| 87 | shift |
| 88 | continue;; |
| 89 | |
| 90 | -o) chowncmd="$chownprog $2" |
| 91 | shift |
| 92 | shift |
| 93 | continue;; |
| 94 | |
| 95 | -g) chgrpcmd="$chgrpprog $2" |
| 96 | shift |
| 97 | shift |
| 98 | continue;; |
| 99 | |
| 100 | -s) stripcmd=$stripprog |
| 101 | shift |
| 102 | continue;; |
| 103 | |
| 104 | -t=*) transformarg=`echo $1 | sed 's/-t=//'` |
| 105 | shift |
| 106 | continue;; |
| 107 | |
| 108 | -b=*) transformbasename=`echo $1 | sed 's/-b=//'` |
| 109 | shift |
| 110 | continue;; |
| 111 | |
| 112 | *) if [ x"$src" = x ] |
| 113 | then |
| 114 | src=$1 |
| 115 | else |
| 116 | # this colon is to work around a 386BSD /bin/sh bug |
| 117 | : |
| 118 | dst=$1 |
| 119 | fi |
| 120 | shift |
| 121 | continue;; |
| 122 | esac |
| 123 | done |
| 124 | |
| 125 | if [ x"$src" = x ] |
| 126 | then |
| 127 | echo "$0: no input file specified" >&2 |
| 128 | exit 1 |
| 129 | else |
| 130 | : |
| 131 | fi |
| 132 | |
| 133 | if [ x"$dir_arg" != x ]; then |
| 134 | dst=$src |
| 135 | src="" |
| 136 | |
| 137 | if [ -d "$dst" ]; then |
| 138 | instcmd=: |
| 139 | chmodcmd="" |
| 140 | else |
| 141 | instcmd=$mkdirprog |
| 142 | fi |
| 143 | else |
| 144 | |
| 145 | # Waiting for this to be detected by the "$instcmd $src $dsttmp" command |
| 146 | # might cause directories to be created, which would be especially bad |
| 147 | # if $src (and thus $dsttmp) contains '*'. |
| 148 | |
| 149 | if [ -f "$src" ] || [ -d "$src" ] |
| 150 | then |
| 151 | : |
| 152 | else |
| 153 | echo "$0: $src does not exist" >&2 |
| 154 | exit 1 |
| 155 | fi |
| 156 | |
| 157 | if [ x"$dst" = x ] |
| 158 | then |
| 159 | echo "$0: no destination specified" >&2 |
| 160 | exit 1 |
| 161 | else |
| 162 | : |
| 163 | fi |
| 164 | |
| 165 | # If destination is a directory, append the input filename; if your system |
| 166 | # does not like double slashes in filenames, you may need to add some logic |
| 167 | |
| 168 | if [ -d "$dst" ] |
| 169 | then |
| 170 | dst=$dst/`basename "$src"` |
| 171 | else |
| 172 | : |
| 173 | fi |
| 174 | fi |
| 175 | |
| 176 | ## this sed command emulates the dirname command |
| 177 | dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'` |
| 178 | |
| 179 | # Make sure that the destination directory exists. |
| 180 | # this part is taken from Noah Friedman's mkinstalldirs script |
| 181 | |
| 182 | # Skip lots of stat calls in the usual case. |
| 183 | if [ ! -d "$dstdir" ]; then |
| 184 | defaultIFS=' |
| 185 | ' |
| 186 | IFS="${IFS-$defaultIFS}" |
| 187 | |
| 188 | oIFS=$IFS |
| 189 | # Some sh's can't handle IFS=/ for some reason. |
| 190 | IFS='%' |
| 191 | set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'` |
| 192 | IFS=$oIFS |
| 193 | |
| 194 | pathcomp='' |
| 195 | |
| 196 | while [ $# -ne 0 ] ; do |
| 197 | pathcomp=$pathcomp$1 |
| 198 | shift |
| 199 | |
| 200 | if [ ! -d "$pathcomp" ] ; |
| 201 | then |
| 202 | $mkdirprog "$pathcomp" |
| 203 | else |
| 204 | : |
| 205 | fi |
| 206 | |
| 207 | pathcomp=$pathcomp/ |
| 208 | done |
| 209 | fi |
| 210 | |
| 211 | if [ x"$dir_arg" != x ] |
| 212 | then |
| 213 | $doit $instcmd "$dst" && |
| 214 | |
| 215 | if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dst"; else : ; fi && |
| 216 | if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dst"; else : ; fi && |
| 217 | if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dst"; else : ; fi && |
| 218 | if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dst"; else : ; fi |
| 219 | else |
| 220 | |
| 221 | # If we're going to rename the final executable, determine the name now. |
| 222 | |
| 223 | if [ x"$transformarg" = x ] |
| 224 | then |
| 225 | dstfile=`basename "$dst"` |
| 226 | else |
| 227 | dstfile=`basename "$dst" $transformbasename | |
| 228 | sed $transformarg`$transformbasename |
| 229 | fi |
| 230 | |
| 231 | # don't allow the sed command to completely eliminate the filename |
| 232 | |
| 233 | if [ x"$dstfile" = x ] |
| 234 | then |
| 235 | dstfile=`basename "$dst"` |
| 236 | else |
| 237 | : |
| 238 | fi |
| 239 | |
| 240 | # Make a couple of temp file names in the proper directory. |
| 241 | |
| 242 | dsttmp=$dstdir/_inst.$$_ |
| 243 | rmtmp=$dstdir/_rm.$$_ |
| 244 | |
| 245 | # Trap to clean up temp files at exit. |
| 246 | |
| 247 | trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0 |
| 248 | trap '(exit $?); exit' 1 2 13 15 |
| 249 | |
| 250 | # Move or copy the file name to the temp name |
| 251 | |
| 252 | $doit $instcmd "$src" "$dsttmp" && |
| 253 | |
| 254 | # and set any options; do chmod last to preserve setuid bits |
| 255 | |
| 256 | # If any of these fail, we abort the whole thing. If we want to |
| 257 | # ignore errors from any of these, just make sure not to ignore |
| 258 | # errors from the above "$doit $instcmd $src $dsttmp" command. |
| 259 | |
| 260 | if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp"; else :;fi && |
| 261 | if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp"; else :;fi && |
| 262 | if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dsttmp"; else :;fi && |
| 263 | if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; else :;fi && |
| 264 | |
| 265 | # Now remove or move aside any old file at destination location. We try this |
| 266 | # two ways since rm can't unlink itself on some systems and the destination |
| 267 | # file might be busy for other reasons. In this case, the final cleanup |
| 268 | # might fail but the new file should still install successfully. |
| 269 | |
| 270 | { |
| 271 | if [ -f "$dstdir/$dstfile" ] |
| 272 | then |
| 273 | $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null || |
| 274 | $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null || |
| 275 | { |
| 276 | echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2 |
| 277 | (exit 1); exit |
| 278 | } |
| 279 | else |
| 280 | : |
| 281 | fi |
| 282 | } && |
| 283 | |
| 284 | # Now rename the file to the real destination. |
| 285 | |
| 286 | $doit $mvcmd "$dsttmp" "$dstdir/$dstfile" |
| 287 | |
| 288 | fi && |
| 289 | |
| 290 | # The final little trick to "correctly" pass the exit status to the exit trap. |
| 291 | |
| 292 | { |
| 293 | (exit 0); exit |
| 294 | } |