install-sh (251886) | install-sh (269851) |
---|---|
1#!/bin/sh 2# install - install a program, script, or datafile 3 | 1#!/bin/sh 2# install - install a program, script, or datafile 3 |
4scriptversion=2005-05-14.22 | 4scriptversion=2011-01-19.21; # UTC |
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 --- 21 unchanged lines hidden (view full) --- 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 | 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 --- 21 unchanged lines hidden (view full) --- 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. | 42# from scratch. |
44 | 43 |
44nl=' 45' 46IFS=" "" $nl" 47 |
|
45# set DOITPROG to echo to test this script 46 47# Don't use :- since 4.3BSD and earlier shells don't like it. | 48# set DOITPROG to echo to test this script 49 50# Don't use :- since 4.3BSD and earlier shells don't like it. |
48doit="${DOITPROG-}" | 51doit=${DOITPROG-} 52if test -z "$doit"; then 53 doit_exec=exec 54else 55 doit_exec=$doit 56fi |
49 | 57 |
50# put in absolute paths if you don't have them in your path; or use env. vars. | 58# Put in absolute file names if you don't have them in your path; 59# or use environment vars. |
51 | 60 |
52mvprog="${MVPROG-mv}" 53cpprog="${CPPROG-cp}" 54chmodprog="${CHMODPROG-chmod}" 55chownprog="${CHOWNPROG-chown}" 56chgrpprog="${CHGRPPROG-chgrp}" 57stripprog="${STRIPPROG-strip}" 58rmprog="${RMPROG-rm}" 59mkdirprog="${MKDIRPROG-mkdir}" | 61chgrpprog=${CHGRPPROG-chgrp} 62chmodprog=${CHMODPROG-chmod} 63chownprog=${CHOWNPROG-chown} 64cmpprog=${CMPPROG-cmp} 65cpprog=${CPPROG-cp} 66mkdirprog=${MKDIRPROG-mkdir} 67mvprog=${MVPROG-mv} 68rmprog=${RMPROG-rm} 69stripprog=${STRIPPROG-strip} |
60 | 70 |
61chmodcmd="$chmodprog 0755" 62chowncmd= | 71posix_glob='?' 72initialize_posix_glob=' 73 test "$posix_glob" != "?" || { 74 if (set -f) 2>/dev/null; then 75 posix_glob= 76 else 77 posix_glob=: 78 fi 79 } 80' 81 82posix_mkdir= 83 84# Desired mode of installed file. 85mode=0755 86 |
63chgrpcmd= | 87chgrpcmd= |
64stripcmd= | 88chmodcmd=$chmodprog 89chowncmd= 90mvcmd=$mvprog |
65rmcmd="$rmprog -f" | 91rmcmd="$rmprog -f" |
66mvcmd="$mvprog" | 92stripcmd= 93 |
67src= 68dst= 69dir_arg= | 94src= 95dst= 96dir_arg= |
70dstarg= | 97dst_arg= 98 99copy_on_change=false |
71no_target_directory= 72 | 100no_target_directory= 101 |
73usage="Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE | 102usage="\ 103Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE |
74 or: $0 [OPTION]... SRCFILES... DIRECTORY 75 or: $0 [OPTION]... -t DIRECTORY SRCFILES... 76 or: $0 [OPTION]... -d DIRECTORIES... 77 78In the 1st form, copy SRCFILE to DSTFILE. 79In the 2nd and 3rd, copy all SRCFILES to DIRECTORY. 80In the 4th, create DIRECTORIES. 81 82Options: | 104 or: $0 [OPTION]... SRCFILES... DIRECTORY 105 or: $0 [OPTION]... -t DIRECTORY SRCFILES... 106 or: $0 [OPTION]... -d DIRECTORIES... 107 108In the 1st form, copy SRCFILE to DSTFILE. 109In the 2nd and 3rd, copy all SRCFILES to DIRECTORY. 110In the 4th, create DIRECTORIES. 111 112Options: |
83-c (ignored) 84-d create directories instead of installing files. 85-g GROUP $chgrpprog installed files to GROUP. 86-m MODE $chmodprog installed files to MODE. 87-o USER $chownprog installed files to USER. 88-s $stripprog installed files. 89-t DIRECTORY install into DIRECTORY. 90-T report an error if DSTFILE is a directory. 91--help display this help and exit. 92--version display version info and exit. | 113 --help display this help and exit. 114 --version display version info and exit. |
93 | 115 |
116 -c (ignored) 117 -C install only if different (preserve the last data modification time) 118 -d create directories instead of installing files. 119 -g GROUP $chgrpprog installed files to GROUP. 120 -m MODE $chmodprog installed files to MODE. 121 -o USER $chownprog installed files to USER. 122 -s $stripprog installed files. 123 -t DIRECTORY install into DIRECTORY. 124 -T report an error if DSTFILE is a directory. 125 |
|
94Environment variables override the default commands: | 126Environment variables override the default commands: |
95 CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG | 127 CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG 128 RMPROG STRIPPROG |
96" 97 | 129" 130 |
98while test -n "$1"; do | 131while test $# -ne 0; do |
99 case $1 in | 132 case $1 in |
100 -c) shift 101 continue;; | 133 -c) ;; |
102 | 134 |
103 -d) dir_arg=true 104 shift 105 continue;; | 135 -C) copy_on_change=true;; |
106 | 136 |
137 -d) dir_arg=true;; 138 |
|
107 -g) chgrpcmd="$chgrpprog $2" | 139 -g) chgrpcmd="$chgrpprog $2" |
108 shift 109 shift 110 continue;; | 140 shift;; |
111 112 --help) echo "$usage"; exit $?;; 113 | 141 142 --help) echo "$usage"; exit $?;; 143 |
114 -m) chmodcmd="$chmodprog $2" 115 shift 116 shift 117 continue;; | 144 -m) mode=$2 145 case $mode in 146 *' '* | *' '* | *' 147'* | *'*'* | *'?'* | *'['*) 148 echo "$0: invalid mode: $mode" >&2 149 exit 1;; 150 esac 151 shift;; |
118 119 -o) chowncmd="$chownprog $2" | 152 153 -o) chowncmd="$chownprog $2" |
120 shift 121 shift 122 continue;; | 154 shift;; |
123 | 155 |
124 -s) stripcmd=$stripprog 125 shift 126 continue;; | 156 -s) stripcmd=$stripprog;; |
127 | 157 |
128 -t) dstarg=$2 129 shift 130 shift 131 continue;; | 158 -t) dst_arg=$2 159 # Protect names problematic for `test' and other utilities. 160 case $dst_arg in 161 -* | [=\(\)!]) dst_arg=./$dst_arg;; 162 esac 163 shift;; |
132 | 164 |
133 -T) no_target_directory=true 134 shift 135 continue;; | 165 -T) no_target_directory=true;; |
136 137 --version) echo "$0 $scriptversion"; exit $?;; 138 | 166 167 --version) echo "$0 $scriptversion"; exit $?;; 168 |
139 *) # When -d is used, all remaining arguments are directories to create. 140 # When -t is used, the destination is already specified. 141 test -n "$dir_arg$dstarg" && break 142 # Otherwise, the last argument is the destination. Remove it from $@. 143 for arg 144 do 145 if test -n "$dstarg"; then 146 # $@ is not empty: it contains at least $arg. 147 set fnord "$@" "$dstarg" 148 shift # fnord 149 fi 150 shift # arg 151 dstarg=$arg 152 done | 169 --) shift |
153 break;; | 170 break;; |
171 172 -*) echo "$0: invalid option: $1" >&2 173 exit 1;; 174 175 *) break;; |
|
154 esac | 176 esac |
177 shift |
|
155done 156 | 178done 179 |
157if test -z "$1"; then | 180if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then 181 # When -d is used, all remaining arguments are directories to create. 182 # When -t is used, the destination is already specified. 183 # Otherwise, the last argument is the destination. Remove it from $@. 184 for arg 185 do 186 if test -n "$dst_arg"; then 187 # $@ is not empty: it contains at least $arg. 188 set fnord "$@" "$dst_arg" 189 shift # fnord 190 fi 191 shift # arg 192 dst_arg=$arg 193 # Protect names problematic for `test' and other utilities. 194 case $dst_arg in 195 -* | [=\(\)!]) dst_arg=./$dst_arg;; 196 esac 197 done 198fi 199 200if test $# -eq 0; then |
158 if test -z "$dir_arg"; then 159 echo "$0: no input file specified." >&2 160 exit 1 161 fi 162 # It's OK to call `install-sh -d' without argument. 163 # This can happen when creating conditional directories. 164 exit 0 165fi 166 | 201 if test -z "$dir_arg"; then 202 echo "$0: no input file specified." >&2 203 exit 1 204 fi 205 # It's OK to call `install-sh -d' without argument. 206 # This can happen when creating conditional directories. 207 exit 0 208fi 209 |
210if test -z "$dir_arg"; then 211 do_exit='(exit $ret); exit $ret' 212 trap "ret=129; $do_exit" 1 213 trap "ret=130; $do_exit" 2 214 trap "ret=141; $do_exit" 13 215 trap "ret=143; $do_exit" 15 216 217 # Set umask so as not to create temps with too-generous modes. 218 # However, 'strip' requires both read and write access to temps. 219 case $mode in 220 # Optimize common cases. 221 *644) cp_umask=133;; 222 *755) cp_umask=22;; 223 224 *[0-7]) 225 if test -z "$stripcmd"; then 226 u_plus_rw= 227 else 228 u_plus_rw='% 200' 229 fi 230 cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;; 231 *) 232 if test -z "$stripcmd"; then 233 u_plus_rw= 234 else 235 u_plus_rw=,u+rw 236 fi 237 cp_umask=$mode$u_plus_rw;; 238 esac 239fi 240 |
|
167for src 168do | 241for src 242do |
169 # Protect names starting with `-'. | 243 # Protect names problematic for `test' and other utilities. |
170 case $src in | 244 case $src in |
171 -*) src=./$src ;; | 245 -* | [=\(\)!]) src=./$src;; |
172 esac 173 174 if test -n "$dir_arg"; then 175 dst=$src | 246 esac 247 248 if test -n "$dir_arg"; then 249 dst=$src |
176 src= 177 178 if test -d "$dst"; then 179 mkdircmd=: 180 chmodcmd= 181 else 182 mkdircmd=$mkdirprog 183 fi | 250 dstdir=$dst 251 test -d "$dstdir" 252 dstdir_status=$? |
184 else | 253 else |
254 |
|
185 # Waiting for this to be detected by the "$cpprog $src $dsttmp" command 186 # might cause directories to be created, which would be especially bad 187 # if $src (and thus $dsttmp) contains '*'. 188 if test ! -f "$src" && test ! -d "$src"; then 189 echo "$0: $src does not exist." >&2 190 exit 1 191 fi 192 | 255 # Waiting for this to be detected by the "$cpprog $src $dsttmp" command 256 # might cause directories to be created, which would be especially bad 257 # if $src (and thus $dsttmp) contains '*'. 258 if test ! -f "$src" && test ! -d "$src"; then 259 echo "$0: $src does not exist." >&2 260 exit 1 261 fi 262 |
193 if test -z "$dstarg"; then | 263 if test -z "$dst_arg"; then |
194 echo "$0: no destination specified." >&2 195 exit 1 196 fi | 264 echo "$0: no destination specified." >&2 265 exit 1 266 fi |
267 dst=$dst_arg |
|
197 | 268 |
198 dst=$dstarg 199 # Protect names starting with `-'. 200 case $dst in 201 -*) dst=./$dst ;; 202 esac 203 | |
204 # If destination is a directory, append the input filename; won't work 205 # if double slashes aren't ignored. 206 if test -d "$dst"; then 207 if test -n "$no_target_directory"; then | 269 # If destination is a directory, append the input filename; won't work 270 # if double slashes aren't ignored. 271 if test -d "$dst"; then 272 if test -n "$no_target_directory"; then |
208 echo "$0: $dstarg: Is a directory" >&2 | 273 echo "$0: $dst_arg: Is a directory" >&2 |
209 exit 1 210 fi | 274 exit 1 275 fi |
211 dst=$dst/`basename "$src"` | 276 dstdir=$dst 277 dst=$dstdir/`basename "$src"` 278 dstdir_status=0 279 else 280 # Prefer dirname, but fall back on a substitute if dirname fails. 281 dstdir=` 282 (dirname "$dst") 2>/dev/null || 283 expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ 284 X"$dst" : 'X\(//\)[^/]' \| \ 285 X"$dst" : 'X\(//\)$' \| \ 286 X"$dst" : 'X\(/\)' \| . 2>/dev/null || 287 echo X"$dst" | 288 sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ 289 s//\1/ 290 q 291 } 292 /^X\(\/\/\)[^/].*/{ 293 s//\1/ 294 q 295 } 296 /^X\(\/\/\)$/{ 297 s//\1/ 298 q 299 } 300 /^X\(\/\).*/{ 301 s//\1/ 302 q 303 } 304 s/.*/./; q' 305 ` 306 307 test -d "$dstdir" 308 dstdir_status=$? |
212 fi 213 fi 214 | 309 fi 310 fi 311 |
215 # This sed command emulates the dirname command. 216 dstdir=`echo "$dst" | sed -e 's,/*$,,;s,[^/]*$,,;s,/*$,,;s,^$,.,'` | 312 obsolete_mkdir_used=false |
217 | 313 |
218 # Make sure that the destination directory exists. | 314 if test $dstdir_status != 0; then 315 case $posix_mkdir in 316 '') 317 # Create intermediate dirs using mode 755 as modified by the umask. 318 # This is like FreeBSD 'install' as of 1997-10-28. 319 umask=`umask` 320 case $stripcmd.$umask in 321 # Optimize common cases. 322 *[2367][2367]) mkdir_umask=$umask;; 323 .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;; |
219 | 324 |
220 # Skip lots of stat calls in the usual case. 221 if test ! -d "$dstdir"; then 222 defaultIFS=' 223 ' 224 IFS="${IFS-$defaultIFS}" | 325 *[0-7]) 326 mkdir_umask=`expr $umask + 22 \ 327 - $umask % 100 % 40 + $umask % 20 \ 328 - $umask % 10 % 4 + $umask % 2 329 `;; 330 *) mkdir_umask=$umask,go-w;; 331 esac |
225 | 332 |
226 oIFS=$IFS 227 # Some sh's can't handle IFS=/ for some reason. 228 IFS='%' 229 set x `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'` 230 shift 231 IFS=$oIFS | 333 # With -d, create the new directory with the user-specified mode. 334 # Otherwise, rely on $mkdir_umask. 335 if test -n "$dir_arg"; then 336 mkdir_mode=-m$mode 337 else 338 mkdir_mode= 339 fi |
232 | 340 |
233 pathcomp= | 341 posix_mkdir=false 342 case $umask in 343 *[123567][0-7][0-7]) 344 # POSIX mkdir -p sets u+wx bits regardless of umask, which 345 # is incompatible with FreeBSD 'install' when (umask & 300) != 0. 346 ;; 347 *) 348 tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$ 349 trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0 |
234 | 350 |
235 while test $# -ne 0 ; do 236 pathcomp=$pathcomp$1 | 351 if (umask $mkdir_umask && 352 exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1 353 then 354 if test -z "$dir_arg" || { 355 # Check for POSIX incompatibilities with -m. 356 # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or 357 # other-writeable bit of parent directory when it shouldn't. 358 # FreeBSD 6.1 mkdir -m -p sets mode of existing directory. 359 ls_ld_tmpdir=`ls -ld "$tmpdir"` 360 case $ls_ld_tmpdir in 361 d????-?r-*) different_mode=700;; 362 d????-?--*) different_mode=755;; 363 *) false;; 364 esac && 365 $mkdirprog -m$different_mode -p -- "$tmpdir" && { 366 ls_ld_tmpdir_1=`ls -ld "$tmpdir"` 367 test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1" 368 } 369 } 370 then posix_mkdir=: 371 fi 372 rmdir "$tmpdir/d" "$tmpdir" 373 else 374 # Remove any dirs left behind by ancient mkdir implementations. 375 rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null 376 fi 377 trap '' 0;; 378 esac;; 379 esac 380 381 if 382 $posix_mkdir && ( 383 umask $mkdir_umask && 384 $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir" 385 ) 386 then : 387 else 388 389 # The umask is ridiculous, or mkdir does not conform to POSIX, 390 # or it failed possibly due to a race condition. Create the 391 # directory the slow way, step by step, checking for races as we go. 392 393 case $dstdir in 394 /*) prefix='/';; 395 [-=\(\)!]*) prefix='./';; 396 *) prefix='';; 397 esac 398 399 eval "$initialize_posix_glob" 400 401 oIFS=$IFS 402 IFS=/ 403 $posix_glob set -f 404 set fnord $dstdir |
237 shift | 405 shift |
238 if test ! -d "$pathcomp"; then 239 $mkdirprog "$pathcomp" 240 # mkdir can fail with a `File exist' error in case several 241 # install-sh are creating the directory concurrently. This 242 # is OK. 243 test -d "$pathcomp" || exit | 406 $posix_glob set +f 407 IFS=$oIFS 408 409 prefixes= 410 411 for d 412 do 413 test X"$d" = X && continue 414 415 prefix=$prefix$d 416 if test -d "$prefix"; then 417 prefixes= 418 else 419 if $posix_mkdir; then 420 (umask=$mkdir_umask && 421 $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break 422 # Don't fail if two instances are running concurrently. 423 test -d "$prefix" || exit 1 424 else 425 case $prefix in 426 *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;; 427 *) qprefix=$prefix;; 428 esac 429 prefixes="$prefixes '$qprefix'" 430 fi 431 fi 432 prefix=$prefix/ 433 done 434 435 if test -n "$prefixes"; then 436 # Don't fail if two instances are running concurrently. 437 (umask $mkdir_umask && 438 eval "\$doit_exec \$mkdirprog $prefixes") || 439 test -d "$dstdir" || exit 1 440 obsolete_mkdir_used=true |
244 fi | 441 fi |
245 pathcomp=$pathcomp/ 246 done | 442 fi |
247 fi 248 249 if test -n "$dir_arg"; then | 443 fi 444 445 if test -n "$dir_arg"; then |
250 $doit $mkdircmd "$dst" \ 251 && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \ 252 && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \ 253 && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \ 254 && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; } 255 | 446 { test -z "$chowncmd" || $doit $chowncmd "$dst"; } && 447 { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } && 448 { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false || 449 test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1 |
256 else | 450 else |
257 dstfile=`basename "$dst"` | |
258 259 # Make a couple of temp file names in the proper directory. 260 dsttmp=$dstdir/_inst.$$_ 261 rmtmp=$dstdir/_rm.$$_ 262 263 # Trap to clean up those temp files at exit. 264 trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 | 451 452 # Make a couple of temp file names in the proper directory. 453 dsttmp=$dstdir/_inst.$$_ 454 rmtmp=$dstdir/_rm.$$_ 455 456 # Trap to clean up those temp files at exit. 457 trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 |
265 trap '(exit $?); exit' 1 2 13 15 | |
266 267 # Copy the file name to the temp name. | 458 459 # Copy the file name to the temp name. |
268 $doit $cpprog "$src" "$dsttmp" && | 460 (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") && |
269 270 # and set any options; do chmod last to preserve setuid bits. 271 # 272 # If any of these fail, we abort the whole thing. If we want to 273 # ignore errors from any of these, just make sure not to ignore 274 # errors from the above "$doit $cpprog $src $dsttmp" command. 275 # | 461 462 # and set any options; do chmod last to preserve setuid bits. 463 # 464 # If any of these fail, we abort the whole thing. If we want to 465 # ignore errors from any of these, just make sure not to ignore 466 # errors from the above "$doit $cpprog $src $dsttmp" command. 467 # |
276 { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \ 277 && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \ 278 && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \ 279 && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } && | 468 { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } && 469 { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } && 470 { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } && 471 { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } && |
280 | 472 |
281 # Now rename the file to the real destination. 282 { $doit $mvcmd -f "$dsttmp" "$dstdir/$dstfile" 2>/dev/null \ 283 || { 284 # The rename failed, perhaps because mv can't rename something else 285 # to itself, or perhaps because mv is so ancient that it does not 286 # support -f. | 473 # If -C, don't bother to copy if it wouldn't change the file. 474 if $copy_on_change && 475 old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` && 476 new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` && |
287 | 477 |
288 # Now remove or move aside any old file at destination location. 289 # We try this two ways since rm can't unlink itself on some 290 # systems and the destination file might be busy for other 291 # reasons. In this case, the final cleanup might fail but the new 292 # file should still install successfully. 293 { 294 if test -f "$dstdir/$dstfile"; then 295 $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \ 296 || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \ 297 || { 298 echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2 299 (exit 1); exit 1 300 } 301 else 302 : 303 fi 304 } && | 478 eval "$initialize_posix_glob" && 479 $posix_glob set -f && 480 set X $old && old=:$2:$4:$5:$6 && 481 set X $new && new=:$2:$4:$5:$6 && 482 $posix_glob set +f && |
305 | 483 |
306 # Now rename the file to the real destination. 307 $doit $mvcmd "$dsttmp" "$dstdir/$dstfile" 308 } 309 } 310 fi || { (exit 1); exit 1; } 311done | 484 test "$old" = "$new" && 485 $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1 486 then 487 rm -f "$dsttmp" 488 else 489 # Rename the file to the real destination. 490 $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null || |
312 | 491 |
313# The final little trick to "correctly" pass the exit status to the exit trap. 314{ 315 (exit 0); exit 0 316} | 492 # The rename failed, perhaps because mv can't rename something else 493 # to itself, or perhaps because mv is so ancient that it does not 494 # support -f. 495 { 496 # Now remove or move aside any old file at destination location. 497 # We try this two ways since rm can't unlink itself on some 498 # systems and the destination file might be busy for other 499 # reasons. In this case, the final cleanup might fail but the new 500 # file should still install successfully. 501 { 502 test ! -f "$dst" || 503 $doit $rmcmd -f "$dst" 2>/dev/null || 504 { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null && 505 { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; } 506 } || 507 { echo "$0: cannot unlink or rename $dst" >&2 508 (exit 1); exit 1 509 } 510 } && |
317 | 511 |
512 # Now rename the file to the real destination. 513 $doit $mvcmd "$dsttmp" "$dst" 514 } 515 fi || exit 1 516 517 trap '' 0 518 fi 519done 520 |
|
318# Local variables: 319# eval: (add-hook 'write-file-hooks 'time-stamp) 320# time-stamp-start: "scriptversion=" 321# time-stamp-format: "%:y-%02m-%02d.%02H" | 521# Local variables: 522# eval: (add-hook 'write-file-hooks 'time-stamp) 523# time-stamp-start: "scriptversion=" 524# time-stamp-format: "%:y-%02m-%02d.%02H" |
322# time-stamp-end: "$" | 525# time-stamp-time-zone: "UTC" 526# time-stamp-end: "; # UTC" |
323# End: | 527# End: |