1 #!/bin/sh 2 # 3 # install - install a program, script, or datafile 4 # This comes from X11R5 (mit/util/scripts/install.sh). 5 # 6 # Copyright 1991 by the Massachusetts Institute of Technology 7 # 8 # Permission to use, copy, modify, distribute, and sell this software and its 9 # documentation for any purpose is hereby granted without fee, provided that 10 # the above copyright notice appear in all copies and that both that 11 # copyright notice and this permission notice appear in supporting 12 # documentation, and that the name of M.I.T. not be used in advertising or 13 # publicity pertaining to distribution of the software without specific, 14 # written prior permission. M.I.T. makes no representations about the 15 # suitability of this software for any purpose. It is provided "as is" 16 # without express or implied warranty. 17 # 18 # Calling this script install-sh is preferred over install.sh, to prevent 19 # `make' implicit rules from creating a file called install from it 20 # when there is no Makefile. 21 # 22 # This script is compatible with the BSD install script, but was written 23 # from scratch. It can only install one file at a time, a restriction 24 # shared with many OS's install programs. 25 26 27 # set DOITPROG to echo to test this script 28 29 # Don't use :- since 4.3BSD and earlier shells don't like it. 30 doit="${DOITPROG-}" 31 32 33 # put in absolute paths if you don't have them in your path; or use env. vars. 34 35 mvprog="${MVPROG-mv}" 36 cpprog="${CPPROG-cp}" 37 chmodprog="${CHMODPROG-chmod}" 38 chownprog="${CHOWNPROG-chown}" 39 chgrpprog="${CHGRPPROG-chgrp}" 40 stripprog="${STRIPPROG-strip}" 41 rmprog="${RMPROG-rm}" 42 mkdirprog="${MKDIRPROG-mkdir}" 43 44 transformbasename="" 45 transform_arg="" 46 instcmd="$mvprog" 47 chmodcmd="$chmodprog 0755" 48 chowncmd="" 49 chgrpcmd="" 50 stripcmd="" 51 rmcmd="$rmprog -f" 52 mvcmd="$mvprog" 53 src="" 54 dst="" 55 dir_arg="" 56 57 while [ x"$1" != x ]; do 58 case $1 in 59 -c) instcmd=$cpprog 60 shift 61 continue;; 62 63 -d) dir_arg=true 64 shift 65 continue;; 66 67 -m) chmodcmd="$chmodprog $2" 68 shift 69 shift 70 continue;; 71 72 -o) chowncmd="$chownprog $2" 73 shift 74 shift 75 continue;; 76 77 -g) chgrpcmd="$chgrpprog $2" 78 shift 79 shift 80 continue;; 81 82 -s) stripcmd=$stripprog 83 shift 84 continue;; 85 86 -t=*) transformarg=`echo $1 | sed 's/-t=//'` 87 shift 88 continue;; 89 90 -b=*) transformbasename=`echo $1 | sed 's/-b=//'` 91 shift 92 continue;; 93 94 *) if [ x"$src" = x ] 95 then 96 src=$1 97 else 98 # this colon is to work around a 386BSD /bin/sh bug 99 : 100 dst=$1 101 fi 102 shift 103 continue;; 104 esac 105 done 106 107 if [ x"$src" = x ] 108 then 109 echo "$0: no input file specified" >&2 110 exit 1 111 else 112 : 113 fi 114 115 if [ x"$dir_arg" != x ]; then 116 dst=$src 117 src="" 118 119 if [ -d "$dst" ]; then 120 instcmd=: 121 chmodcmd="" 122 else 123 instcmd=$mkdirprog 124 fi 125 else 126 127 # Waiting for this to be detected by the "$instcmd $src $dsttmp" command 128 # might cause directories to be created, which would be especially bad 129 # if $src (and thus $dsttmp) contains '*'. 130 131 if [ -f "$src" ] || [ -d "$src" ] 132 then 133 : 134 else 135 echo "$0: $src does not exist" >&2 136 exit 1 137 fi 138 139 if [ x"$dst" = x ] 140 then 141 echo "$0: no destination specified" >&2 142 exit 1 143 else 144 : 145 fi 146 147 # If destination is a directory, append the input filename; if your system 148 # does not like double slashes in filenames, you may need to add some logic 149 150 if [ -d "$dst" ] 151 then 152 dst=$dst/`basename "$src"` 153 else 154 : 155 fi 156 fi 157 158 ## this sed command emulates the dirname command 159 dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'` 160 161 # Make sure that the destination directory exists. 162 # this part is taken from Noah Friedman's mkinstalldirs script 163 164 # Skip lots of stat calls in the usual case. 165 if [ ! -d "$dstdir" ]; then 166 defaultIFS=' 167 ' 168 IFS="${IFS-$defaultIFS}" 169 170 oIFS=$IFS 171 # Some sh's can't handle IFS=/ for some reason. 172 IFS='%' 173 set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'` 174 IFS=$oIFS 175 176 pathcomp='' 177 178 while [ $# -ne 0 ] ; do 179 pathcomp=$pathcomp$1 180 shift 181 182 if [ ! -d "$pathcomp" ] ; 183 then 184 $mkdirprog "$pathcomp" 185 else 186 : 187 fi 188 189 pathcomp=$pathcomp/ 190 done 191 fi 192 193 if [ x"$dir_arg" != x ] 194 then 195 $doit $instcmd "$dst" && 196 197 if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dst"; else : ; fi && 198 if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dst"; else : ; fi && 199 if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dst"; else : ; fi && 200 if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dst"; else : ; fi 201 else 202 203 # If we're going to rename the final executable, determine the name now. 204 205 if [ x"$transformarg" = x ] 206 then 207 dstfile=`basename "$dst"` 208 else 209 dstfile=`basename "$dst" $transformbasename | 210 sed $transformarg`$transformbasename 211 fi 212 213 # don't allow the sed command to completely eliminate the filename 214 215 if [ x"$dstfile" = x ] 216 then 217 dstfile=`basename "$dst"` 218 else 219 : 220 fi 221 222 # Make a couple of temp file names in the proper directory. 223 224 dsttmp=$dstdir/#inst.$$# 225 rmtmp=$dstdir/#rm.$$# 226 227 # Trap to clean up temp files at exit. 228 229 trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0 230 trap '(exit $?); exit' 1 2 13 15 231 232 # Move or copy the file name to the temp name 233 234 $doit $instcmd "$src" "$dsttmp" && 235 236 # and set any options; do chmod last to preserve setuid bits 237 238 # If any of these fail, we abort the whole thing. If we want to 239 # ignore errors from any of these, just make sure not to ignore 240 # errors from the above "$doit $instcmd $src $dsttmp" command. 241 242 if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp"; else :;fi && 243 if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp"; else :;fi && 244 if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dsttmp"; else :;fi && 245 if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; else :;fi && 246 247 # Now remove or move aside any old file at destination location. We try this 248 # two ways since rm can't unlink itself on some systems and the destination 249 # file might be busy for other reasons. In this case, the final cleanup 250 # might fail but the new file should still install successfully. 251 252 { 253 if [ -f "$dstdir/$dstfile" ] 254 then 255 $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null || 256 $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null || 257 { 258 echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2 259 (exit 1); exit 260 } 261 else 262 : 263 fi 264 } && 265 266 # Now rename the file to the real destination. 267 268 $doit $mvcmd "$dsttmp" "$dstdir/$dstfile" 269 270 fi && 271 272 # The final little trick to "correctly" pass the exit status to the exit trap. 273 274 { 275 (exit 0); exit 276 } 277
