install-sh (9505B)
1#!/bin/sh 2# install - install a program, script, or datafile 3 4scriptversion=2004-04-01.17 5 6# This originates from X11R5 (mit/util/scripts/install.sh), which was 7# later released in X11R6 (xc/config/util/install.sh) with the 8# following copyright and license. 9# 10# Copyright (C) 1994 X Consortium 11# 12# Permission is hereby granted, free of charge, to any person obtaining a copy 13# of this software and associated documentation files (the "Software"), to 14# deal in the Software without restriction, including without limitation the 15# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 16# sell copies of the Software, and to permit persons to whom the Software is 17# furnished to do so, subject to the following conditions: 18# 19# The above copyright notice and this permission notice shall be included in 20# all copies or substantial portions of the Software. 21# 22# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 23# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 24# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 25# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 26# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- 27# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 28# 29# Except as contained in this notice, the name of the X Consortium shall not 30# be used in advertising or otherwise to promote the sale, use or other deal- 31# ings in this Software without prior written authorization from the X Consor- 32# tium. 33# 34# 35# FSF changes to this file are in the public domain. 36# 37# Calling this script install-sh is preferred over install.sh, to prevent 38# `make' implicit rules from creating a file called install from it 39# when there is no Makefile. 40# 41# This script is compatible with the BSD install script, but was written 42# from scratch. It can only install one file at a time, a restriction 43# shared with many OS's install programs. 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. 48doit="${DOITPROG-}" 49 50# put in absolute paths if you don't have them in your path; or use env. vars. 51 52mvprog="${MVPROG-mv}" 53cpprog="${CPPROG-cp}" 54chmodprog="${CHMODPROG-chmod}" 55chownprog="${CHOWNPROG-chown}" 56chgrpprog="${CHGRPPROG-chgrp}" 57stripprog="${STRIPPROG-strip}" 58rmprog="${RMPROG-rm}" 59mkdirprog="${MKDIRPROG-mkdir}" 60 61transformbasename= 62transform_arg= 63instcmd="$mvprog" 64chmodcmd="$chmodprog 0755" 65chowncmd= 66chgrpcmd= 67stripcmd= 68rmcmd="$rmprog -f" 69mvcmd="$mvprog" 70src= 71dst= 72dir_arg= 73 74usage="Usage: $0 [OPTION]... SRCFILE DSTFILE 75 or: $0 [OPTION]... SRCFILES... DIRECTORY 76 or: $0 -d DIRECTORIES... 77 78In the first form, install SRCFILE to DSTFILE, removing SRCFILE by default. 79In the second, create the directory path DIR. 80 81Options: 82-b=TRANSFORMBASENAME 83-c copy source (using $cpprog) instead of moving (using $mvprog). 84-d create directories instead of installing files. 85-g GROUP $chgrp installed files to GROUP. 86-m MODE $chmod installed files to MODE. 87-o USER $chown installed files to USER. 88-s strip installed files (using $stripprog). 89-t=TRANSFORM 90--help display this help and exit. 91--version display version info and exit. 92 93Environment variables override the default commands: 94 CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG 95" 96 97while test -n "$1"; do 98 case $1 in 99 -b=*) transformbasename=`echo $1 | sed 's/-b=//'` 100 shift 101 continue;; 102 103 -c) instcmd=$cpprog 104 shift 105 continue;; 106 107 -d) dir_arg=true 108 shift 109 continue;; 110 111 -g) chgrpcmd="$chgrpprog $2" 112 shift 113 shift 114 continue;; 115 116 --help) echo "$usage"; exit 0;; 117 118 -m) chmodcmd="$chmodprog $2" 119 shift 120 shift 121 continue;; 122 123 -o) chowncmd="$chownprog $2" 124 shift 125 shift 126 continue;; 127 128 -s) stripcmd=$stripprog 129 shift 130 continue;; 131 132 -t=*) transformarg=`echo $1 | sed 's/-t=//'` 133 shift 134 continue;; 135 136 --version) echo "$0 $scriptversion"; exit 0;; 137 138 *) # When -d is used, all remaining arguments are directories to create. 139 test -n "$dir_arg" && break 140 # Otherwise, the last argument is the destination. Remove it from $@. 141 for arg 142 do 143 if test -n "$dstarg"; then 144 # $@ is not empty: it contains at least $arg. 145 set fnord "$@" "$dstarg" 146 shift # fnord 147 fi 148 shift # arg 149 dstarg=$arg 150 done 151 break;; 152 esac 153done 154 155if test -z "$1"; then 156 if test -z "$dir_arg"; then 157 echo "$0: no input file specified." >&2 158 exit 1 159 fi 160 # It's OK to call `install-sh -d' without argument. 161 # This can happen when creating conditional directories. 162 exit 0 163fi 164 165for src 166do 167 # Protect names starting with `-'. 168 case $src in 169 -*) src=./$src ;; 170 esac 171 172 if test -n "$dir_arg"; then 173 dst=$src 174 src= 175 176 if test -d "$dst"; then 177 instcmd=: 178 chmodcmd= 179 else 180 instcmd=$mkdirprog 181 fi 182 else 183 # Waiting for this to be detected by the "$instcmd $src $dsttmp" command 184 # might cause directories to be created, which would be especially bad 185 # if $src (and thus $dsttmp) contains '*'. 186 if test ! -f "$src" && test ! -d "$src"; then 187 echo "$0: $src does not exist." >&2 188 exit 1 189 fi 190 191 if test -z "$dstarg"; then 192 echo "$0: no destination specified." >&2 193 exit 1 194 fi 195 196 dst=$dstarg 197 # Protect names starting with `-'. 198 case $dst in 199 -*) dst=./$dst ;; 200 esac 201 202 # If destination is a directory, append the input filename; won't work 203 # if double slashes aren't ignored. 204 if test -d "$dst"; then 205 dst=$dst/`basename "$src"` 206 fi 207 fi 208 209 # This sed command emulates the dirname command. 210 dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'` 211 212 # Make sure that the destination directory exists. 213 214 # Skip lots of stat calls in the usual case. 215 if test ! -d "$dstdir"; then 216 defaultIFS=' 217 ' 218 IFS="${IFS-$defaultIFS}" 219 220 oIFS=$IFS 221 # Some sh's can't handle IFS=/ for some reason. 222 IFS='%' 223 set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'` 224 IFS=$oIFS 225 226 pathcomp= 227 228 while test $# -ne 0 ; do 229 pathcomp=$pathcomp$1 230 shift 231 if test ! -d "$pathcomp"; then 232 $mkdirprog "$pathcomp" || lasterr=$? 233 # mkdir can fail with a `File exist' error in case several 234 # install-sh are creating the directory concurrently. This 235 # is OK. 236 test ! -d "$pathcomp" && { (exit ${lasterr-1}); exit; } 237 fi 238 pathcomp=$pathcomp/ 239 done 240 fi 241 242 if test -n "$dir_arg"; then 243 $doit $instcmd "$dst" \ 244 && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \ 245 && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \ 246 && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \ 247 && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; } 248 249 else 250 # If we're going to rename the final executable, determine the name now. 251 if test -z "$transformarg"; then 252 dstfile=`basename "$dst"` 253 else 254 dstfile=`basename "$dst" $transformbasename \ 255 | sed $transformarg`$transformbasename 256 fi 257 258 # don't allow the sed command to completely eliminate the filename. 259 test -z "$dstfile" && dstfile=`basename "$dst"` 260 261 # Make a couple of temp file names in the proper directory. 262 dsttmp=$dstdir/_inst.$$_ 263 rmtmp=$dstdir/_rm.$$_ 264 265 # Trap to clean up those temp files at exit. 266 trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0 267 trap '(exit $?); exit' 1 2 13 15 268 269 # Move or copy the file name to the temp name 270 $doit $instcmd "$src" "$dsttmp" && 271 272 # and set any options; do chmod last to preserve setuid bits. 273 # 274 # If any of these fail, we abort the whole thing. If we want to 275 # ignore errors from any of these, just make sure not to ignore 276 # errors from the above "$doit $instcmd $src $dsttmp" command. 277 # 278 { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \ 279 && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \ 280 && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \ 281 && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } && 282 283 # Now rename the file to the real destination. 284 { $doit $mvcmd -f "$dsttmp" "$dstdir/$dstfile" 2>/dev/null \ 285 || { 286 # The rename failed, perhaps because mv can't rename something else 287 # to itself, or perhaps because mv is so ancient that it does not 288 # support -f. 289 290 # Now remove or move aside any old file at destination location. 291 # We try this two ways since rm can't unlink itself on some 292 # systems and the destination file might be busy for other 293 # reasons. In this case, the final cleanup might fail but the new 294 # file should still install successfully. 295 { 296 if test -f "$dstdir/$dstfile"; then 297 $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \ 298 || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \ 299 || { 300 echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2 301 (exit 1); exit 302 } 303 else 304 : 305 fi 306 } && 307 308 # Now rename the file to the real destination. 309 $doit $mvcmd "$dsttmp" "$dstdir/$dstfile" 310 } 311 } 312 fi || { (exit 1); exit; } 313done 314 315# The final little trick to "correctly" pass the exit status to the exit trap. 316{ 317 (exit 0); exit 318} 319 320# Local variables: 321# eval: (add-hook 'write-file-hooks 'time-stamp) 322# time-stamp-start: "scriptversion=" 323# time-stamp-format: "%:y-%02m-%02d.%02H" 324# time-stamp-end: "$" 325# End: