install-sh revision dd519f38
1ed029a5fSmrg#!/bin/sh 2ed029a5fSmrg# install - install a program, script, or datafile 3dd519f38Smrg 4dd519f38Smrgscriptversion=2009-04-28.21; # UTC 5dd519f38Smrg 6ed029a5fSmrg# This originates from X11R5 (mit/util/scripts/install.sh), which was 7ed029a5fSmrg# later released in X11R6 (xc/config/util/install.sh) with the 8ed029a5fSmrg# following copyright and license. 9ed029a5fSmrg# 10ed029a5fSmrg# Copyright (C) 1994 X Consortium 11ed029a5fSmrg# 12ed029a5fSmrg# Permission is hereby granted, free of charge, to any person obtaining a copy 13ed029a5fSmrg# of this software and associated documentation files (the "Software"), to 14ed029a5fSmrg# deal in the Software without restriction, including without limitation the 15ed029a5fSmrg# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 16ed029a5fSmrg# sell copies of the Software, and to permit persons to whom the Software is 17ed029a5fSmrg# furnished to do so, subject to the following conditions: 18ed029a5fSmrg# 19ed029a5fSmrg# The above copyright notice and this permission notice shall be included in 20ed029a5fSmrg# all copies or substantial portions of the Software. 21ed029a5fSmrg# 22ed029a5fSmrg# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 23ed029a5fSmrg# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 24ed029a5fSmrg# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 25ed029a5fSmrg# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 26ed029a5fSmrg# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- 27ed029a5fSmrg# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 28ed029a5fSmrg# 29ed029a5fSmrg# Except as contained in this notice, the name of the X Consortium shall not 30ed029a5fSmrg# be used in advertising or otherwise to promote the sale, use or other deal- 31ed029a5fSmrg# ings in this Software without prior written authorization from the X Consor- 32ed029a5fSmrg# tium. 33ed029a5fSmrg# 34ed029a5fSmrg# 35ed029a5fSmrg# FSF changes to this file are in the public domain. 36ed029a5fSmrg# 37ed029a5fSmrg# Calling this script install-sh is preferred over install.sh, to prevent 38ed029a5fSmrg# `make' implicit rules from creating a file called install from it 39ed029a5fSmrg# when there is no Makefile. 40ed029a5fSmrg# 41ed029a5fSmrg# This script is compatible with the BSD install script, but was written 42dd519f38Smrg# from scratch. 43ed029a5fSmrg 44dd519f38Smrgnl=' 45dd519f38Smrg' 46dd519f38SmrgIFS=" "" $nl" 47ed029a5fSmrg 48ed029a5fSmrg# set DOITPROG to echo to test this script 49ed029a5fSmrg 50ed029a5fSmrg# Don't use :- since 4.3BSD and earlier shells don't like it. 51dd519f38Smrgdoit=${DOITPROG-} 52dd519f38Smrgif test -z "$doit"; then 53dd519f38Smrg doit_exec=exec 54ed029a5fSmrgelse 55dd519f38Smrg doit_exec=$doit 56ed029a5fSmrgfi 57ed029a5fSmrg 58dd519f38Smrg# Put in absolute file names if you don't have them in your path; 59dd519f38Smrg# or use environment vars. 60dd519f38Smrg 61dd519f38Smrgchgrpprog=${CHGRPPROG-chgrp} 62dd519f38Smrgchmodprog=${CHMODPROG-chmod} 63dd519f38Smrgchownprog=${CHOWNPROG-chown} 64dd519f38Smrgcmpprog=${CMPPROG-cmp} 65dd519f38Smrgcpprog=${CPPROG-cp} 66dd519f38Smrgmkdirprog=${MKDIRPROG-mkdir} 67dd519f38Smrgmvprog=${MVPROG-mv} 68dd519f38Smrgrmprog=${RMPROG-rm} 69dd519f38Smrgstripprog=${STRIPPROG-strip} 70dd519f38Smrg 71dd519f38Smrgposix_glob='?' 72dd519f38Smrginitialize_posix_glob=' 73dd519f38Smrg test "$posix_glob" != "?" || { 74dd519f38Smrg if (set -f) 2>/dev/null; then 75dd519f38Smrg posix_glob= 76dd519f38Smrg else 77dd519f38Smrg posix_glob=: 78dd519f38Smrg fi 79dd519f38Smrg } 80dd519f38Smrg' 81dd519f38Smrg 82dd519f38Smrgposix_mkdir= 83dd519f38Smrg 84dd519f38Smrg# Desired mode of installed file. 85dd519f38Smrgmode=0755 86dd519f38Smrg 87dd519f38Smrgchgrpcmd= 88dd519f38Smrgchmodcmd=$chmodprog 89dd519f38Smrgchowncmd= 90dd519f38Smrgmvcmd=$mvprog 91dd519f38Smrgrmcmd="$rmprog -f" 92dd519f38Smrgstripcmd= 93ed029a5fSmrg 94dd519f38Smrgsrc= 95dd519f38Smrgdst= 96dd519f38Smrgdir_arg= 97dd519f38Smrgdst_arg= 98ed029a5fSmrg 99dd519f38Smrgcopy_on_change=false 100dd519f38Smrgno_target_directory= 101ed029a5fSmrg 102dd519f38Smrgusage="\ 103dd519f38SmrgUsage: $0 [OPTION]... [-T] SRCFILE DSTFILE 104dd519f38Smrg or: $0 [OPTION]... SRCFILES... DIRECTORY 105dd519f38Smrg or: $0 [OPTION]... -t DIRECTORY SRCFILES... 106dd519f38Smrg or: $0 [OPTION]... -d DIRECTORIES... 107ed029a5fSmrg 108dd519f38SmrgIn the 1st form, copy SRCFILE to DSTFILE. 109dd519f38SmrgIn the 2nd and 3rd, copy all SRCFILES to DIRECTORY. 110dd519f38SmrgIn the 4th, create DIRECTORIES. 111ed029a5fSmrg 112dd519f38SmrgOptions: 113dd519f38Smrg --help display this help and exit. 114dd519f38Smrg --version display version info and exit. 115ed029a5fSmrg 116dd519f38Smrg -c (ignored) 117dd519f38Smrg -C install only if different (preserve the last data modification time) 118dd519f38Smrg -d create directories instead of installing files. 119dd519f38Smrg -g GROUP $chgrpprog installed files to GROUP. 120dd519f38Smrg -m MODE $chmodprog installed files to MODE. 121dd519f38Smrg -o USER $chownprog installed files to USER. 122dd519f38Smrg -s $stripprog installed files. 123dd519f38Smrg -t DIRECTORY install into DIRECTORY. 124dd519f38Smrg -T report an error if DSTFILE is a directory. 125ed029a5fSmrg 126dd519f38SmrgEnvironment variables override the default commands: 127dd519f38Smrg CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG 128dd519f38Smrg RMPROG STRIPPROG 129dd519f38Smrg" 130ed029a5fSmrg 131dd519f38Smrgwhile test $# -ne 0; do 132dd519f38Smrg case $1 in 133dd519f38Smrg -c) ;; 134ed029a5fSmrg 135dd519f38Smrg -C) copy_on_change=true;; 136ed029a5fSmrg 137dd519f38Smrg -d) dir_arg=true;; 138ed029a5fSmrg 139dd519f38Smrg -g) chgrpcmd="$chgrpprog $2" 140dd519f38Smrg shift;; 141ed029a5fSmrg 142dd519f38Smrg --help) echo "$usage"; exit $?;; 143ed029a5fSmrg 144dd519f38Smrg -m) mode=$2 145dd519f38Smrg case $mode in 146dd519f38Smrg *' '* | *' '* | *' 147dd519f38Smrg'* | *'*'* | *'?'* | *'['*) 148dd519f38Smrg echo "$0: invalid mode: $mode" >&2 149dd519f38Smrg exit 1;; 150dd519f38Smrg esac 151dd519f38Smrg shift;; 152ed029a5fSmrg 153dd519f38Smrg -o) chowncmd="$chownprog $2" 154dd519f38Smrg shift;; 155ed029a5fSmrg 156dd519f38Smrg -s) stripcmd=$stripprog;; 157ed029a5fSmrg 158dd519f38Smrg -t) dst_arg=$2 159dd519f38Smrg shift;; 160ed029a5fSmrg 161dd519f38Smrg -T) no_target_directory=true;; 162ed029a5fSmrg 163dd519f38Smrg --version) echo "$0 $scriptversion"; exit $?;; 164ed029a5fSmrg 165dd519f38Smrg --) shift 166dd519f38Smrg break;; 167ed029a5fSmrg 168dd519f38Smrg -*) echo "$0: invalid option: $1" >&2 169dd519f38Smrg exit 1;; 170ed029a5fSmrg 171dd519f38Smrg *) break;; 172dd519f38Smrg esac 173dd519f38Smrg shift 174dd519f38Smrgdone 175ed029a5fSmrg 176dd519f38Smrgif test $# -ne 0 && test -z "$dir_arg$dst_arg"; then 177dd519f38Smrg # When -d is used, all remaining arguments are directories to create. 178dd519f38Smrg # When -t is used, the destination is already specified. 179dd519f38Smrg # Otherwise, the last argument is the destination. Remove it from $@. 180dd519f38Smrg for arg 181dd519f38Smrg do 182dd519f38Smrg if test -n "$dst_arg"; then 183dd519f38Smrg # $@ is not empty: it contains at least $arg. 184dd519f38Smrg set fnord "$@" "$dst_arg" 185dd519f38Smrg shift # fnord 186dd519f38Smrg fi 187dd519f38Smrg shift # arg 188dd519f38Smrg dst_arg=$arg 189dd519f38Smrg done 190dd519f38Smrgfi 191ed029a5fSmrg 192dd519f38Smrgif test $# -eq 0; then 193dd519f38Smrg if test -z "$dir_arg"; then 194dd519f38Smrg echo "$0: no input file specified." >&2 195dd519f38Smrg exit 1 196dd519f38Smrg fi 197dd519f38Smrg # It's OK to call `install-sh -d' without argument. 198dd519f38Smrg # This can happen when creating conditional directories. 199dd519f38Smrg exit 0 200dd519f38Smrgfi 201ed029a5fSmrg 202dd519f38Smrgif test -z "$dir_arg"; then 203dd519f38Smrg trap '(exit $?); exit' 1 2 13 15 204dd519f38Smrg 205dd519f38Smrg # Set umask so as not to create temps with too-generous modes. 206dd519f38Smrg # However, 'strip' requires both read and write access to temps. 207dd519f38Smrg case $mode in 208dd519f38Smrg # Optimize common cases. 209dd519f38Smrg *644) cp_umask=133;; 210dd519f38Smrg *755) cp_umask=22;; 211dd519f38Smrg 212dd519f38Smrg *[0-7]) 213dd519f38Smrg if test -z "$stripcmd"; then 214dd519f38Smrg u_plus_rw= 215dd519f38Smrg else 216dd519f38Smrg u_plus_rw='% 200' 217dd519f38Smrg fi 218dd519f38Smrg cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;; 219dd519f38Smrg *) 220dd519f38Smrg if test -z "$stripcmd"; then 221dd519f38Smrg u_plus_rw= 222dd519f38Smrg else 223dd519f38Smrg u_plus_rw=,u+rw 224dd519f38Smrg fi 225dd519f38Smrg cp_umask=$mode$u_plus_rw;; 226dd519f38Smrg esac 227dd519f38Smrgfi 228ed029a5fSmrg 229dd519f38Smrgfor src 230dd519f38Smrgdo 231dd519f38Smrg # Protect names starting with `-'. 232dd519f38Smrg case $src in 233dd519f38Smrg -*) src=./$src;; 234dd519f38Smrg esac 235dd519f38Smrg 236dd519f38Smrg if test -n "$dir_arg"; then 237dd519f38Smrg dst=$src 238dd519f38Smrg dstdir=$dst 239dd519f38Smrg test -d "$dstdir" 240dd519f38Smrg dstdir_status=$? 241dd519f38Smrg else 242dd519f38Smrg 243dd519f38Smrg # Waiting for this to be detected by the "$cpprog $src $dsttmp" command 244dd519f38Smrg # might cause directories to be created, which would be especially bad 245dd519f38Smrg # if $src (and thus $dsttmp) contains '*'. 246dd519f38Smrg if test ! -f "$src" && test ! -d "$src"; then 247dd519f38Smrg echo "$0: $src does not exist." >&2 248dd519f38Smrg exit 1 249dd519f38Smrg fi 250dd519f38Smrg 251dd519f38Smrg if test -z "$dst_arg"; then 252dd519f38Smrg echo "$0: no destination specified." >&2 253dd519f38Smrg exit 1 254dd519f38Smrg fi 255dd519f38Smrg 256dd519f38Smrg dst=$dst_arg 257dd519f38Smrg # Protect names starting with `-'. 258dd519f38Smrg case $dst in 259dd519f38Smrg -*) dst=./$dst;; 260dd519f38Smrg esac 261ed029a5fSmrg 262dd519f38Smrg # If destination is a directory, append the input filename; won't work 263dd519f38Smrg # if double slashes aren't ignored. 264dd519f38Smrg if test -d "$dst"; then 265dd519f38Smrg if test -n "$no_target_directory"; then 266dd519f38Smrg echo "$0: $dst_arg: Is a directory" >&2 267dd519f38Smrg exit 1 268dd519f38Smrg fi 269dd519f38Smrg dstdir=$dst 270dd519f38Smrg dst=$dstdir/`basename "$src"` 271dd519f38Smrg dstdir_status=0 272dd519f38Smrg else 273dd519f38Smrg # Prefer dirname, but fall back on a substitute if dirname fails. 274dd519f38Smrg dstdir=` 275dd519f38Smrg (dirname "$dst") 2>/dev/null || 276dd519f38Smrg expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ 277dd519f38Smrg X"$dst" : 'X\(//\)[^/]' \| \ 278dd519f38Smrg X"$dst" : 'X\(//\)$' \| \ 279dd519f38Smrg X"$dst" : 'X\(/\)' \| . 2>/dev/null || 280dd519f38Smrg echo X"$dst" | 281dd519f38Smrg sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ 282dd519f38Smrg s//\1/ 283dd519f38Smrg q 284dd519f38Smrg } 285dd519f38Smrg /^X\(\/\/\)[^/].*/{ 286dd519f38Smrg s//\1/ 287dd519f38Smrg q 288dd519f38Smrg } 289dd519f38Smrg /^X\(\/\/\)$/{ 290dd519f38Smrg s//\1/ 291dd519f38Smrg q 292dd519f38Smrg } 293dd519f38Smrg /^X\(\/\).*/{ 294dd519f38Smrg s//\1/ 295dd519f38Smrg q 296dd519f38Smrg } 297dd519f38Smrg s/.*/./; q' 298dd519f38Smrg ` 299dd519f38Smrg 300dd519f38Smrg test -d "$dstdir" 301dd519f38Smrg dstdir_status=$? 302dd519f38Smrg fi 303dd519f38Smrg fi 304dd519f38Smrg 305dd519f38Smrg obsolete_mkdir_used=false 306dd519f38Smrg 307dd519f38Smrg if test $dstdir_status != 0; then 308dd519f38Smrg case $posix_mkdir in 309dd519f38Smrg '') 310dd519f38Smrg # Create intermediate dirs using mode 755 as modified by the umask. 311dd519f38Smrg # This is like FreeBSD 'install' as of 1997-10-28. 312dd519f38Smrg umask=`umask` 313dd519f38Smrg case $stripcmd.$umask in 314dd519f38Smrg # Optimize common cases. 315dd519f38Smrg *[2367][2367]) mkdir_umask=$umask;; 316dd519f38Smrg .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;; 317dd519f38Smrg 318dd519f38Smrg *[0-7]) 319dd519f38Smrg mkdir_umask=`expr $umask + 22 \ 320dd519f38Smrg - $umask % 100 % 40 + $umask % 20 \ 321dd519f38Smrg - $umask % 10 % 4 + $umask % 2 322dd519f38Smrg `;; 323dd519f38Smrg *) mkdir_umask=$umask,go-w;; 324dd519f38Smrg esac 325dd519f38Smrg 326dd519f38Smrg # With -d, create the new directory with the user-specified mode. 327dd519f38Smrg # Otherwise, rely on $mkdir_umask. 328dd519f38Smrg if test -n "$dir_arg"; then 329dd519f38Smrg mkdir_mode=-m$mode 330ed029a5fSmrg else 331dd519f38Smrg mkdir_mode= 332ed029a5fSmrg fi 333ed029a5fSmrg 334dd519f38Smrg posix_mkdir=false 335dd519f38Smrg case $umask in 336dd519f38Smrg *[123567][0-7][0-7]) 337dd519f38Smrg # POSIX mkdir -p sets u+wx bits regardless of umask, which 338dd519f38Smrg # is incompatible with FreeBSD 'install' when (umask & 300) != 0. 339dd519f38Smrg ;; 340dd519f38Smrg *) 341dd519f38Smrg tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$ 342dd519f38Smrg trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0 343dd519f38Smrg 344dd519f38Smrg if (umask $mkdir_umask && 345dd519f38Smrg exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1 346dd519f38Smrg then 347dd519f38Smrg if test -z "$dir_arg" || { 348dd519f38Smrg # Check for POSIX incompatibilities with -m. 349dd519f38Smrg # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or 350dd519f38Smrg # other-writeable bit of parent directory when it shouldn't. 351dd519f38Smrg # FreeBSD 6.1 mkdir -m -p sets mode of existing directory. 352dd519f38Smrg ls_ld_tmpdir=`ls -ld "$tmpdir"` 353dd519f38Smrg case $ls_ld_tmpdir in 354dd519f38Smrg d????-?r-*) different_mode=700;; 355dd519f38Smrg d????-?--*) different_mode=755;; 356dd519f38Smrg *) false;; 357dd519f38Smrg esac && 358dd519f38Smrg $mkdirprog -m$different_mode -p -- "$tmpdir" && { 359dd519f38Smrg ls_ld_tmpdir_1=`ls -ld "$tmpdir"` 360dd519f38Smrg test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1" 361dd519f38Smrg } 362dd519f38Smrg } 363dd519f38Smrg then posix_mkdir=: 364dd519f38Smrg fi 365dd519f38Smrg rmdir "$tmpdir/d" "$tmpdir" 366dd519f38Smrg else 367dd519f38Smrg # Remove any dirs left behind by ancient mkdir implementations. 368dd519f38Smrg rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null 369dd519f38Smrg fi 370dd519f38Smrg trap '' 0;; 371dd519f38Smrg esac;; 372dd519f38Smrg esac 373ed029a5fSmrg 374dd519f38Smrg if 375dd519f38Smrg $posix_mkdir && ( 376dd519f38Smrg umask $mkdir_umask && 377dd519f38Smrg $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir" 378dd519f38Smrg ) 379dd519f38Smrg then : 380dd519f38Smrg else 381dd519f38Smrg 382dd519f38Smrg # The umask is ridiculous, or mkdir does not conform to POSIX, 383dd519f38Smrg # or it failed possibly due to a race condition. Create the 384dd519f38Smrg # directory the slow way, step by step, checking for races as we go. 385dd519f38Smrg 386dd519f38Smrg case $dstdir in 387dd519f38Smrg /*) prefix='/';; 388dd519f38Smrg -*) prefix='./';; 389dd519f38Smrg *) prefix='';; 390dd519f38Smrg esac 391dd519f38Smrg 392dd519f38Smrg eval "$initialize_posix_glob" 393dd519f38Smrg 394dd519f38Smrg oIFS=$IFS 395dd519f38Smrg IFS=/ 396dd519f38Smrg $posix_glob set -f 397dd519f38Smrg set fnord $dstdir 398dd519f38Smrg shift 399dd519f38Smrg $posix_glob set +f 400dd519f38Smrg IFS=$oIFS 401dd519f38Smrg 402dd519f38Smrg prefixes= 403dd519f38Smrg 404dd519f38Smrg for d 405dd519f38Smrg do 406dd519f38Smrg test -z "$d" && continue 407dd519f38Smrg 408dd519f38Smrg prefix=$prefix$d 409dd519f38Smrg if test -d "$prefix"; then 410dd519f38Smrg prefixes= 411dd519f38Smrg else 412dd519f38Smrg if $posix_mkdir; then 413dd519f38Smrg (umask=$mkdir_umask && 414dd519f38Smrg $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break 415dd519f38Smrg # Don't fail if two instances are running concurrently. 416dd519f38Smrg test -d "$prefix" || exit 1 417dd519f38Smrg else 418dd519f38Smrg case $prefix in 419dd519f38Smrg *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;; 420dd519f38Smrg *) qprefix=$prefix;; 421dd519f38Smrg esac 422dd519f38Smrg prefixes="$prefixes '$qprefix'" 423dd519f38Smrg fi 424dd519f38Smrg fi 425dd519f38Smrg prefix=$prefix/ 426dd519f38Smrg done 427dd519f38Smrg 428dd519f38Smrg if test -n "$prefixes"; then 429dd519f38Smrg # Don't fail if two instances are running concurrently. 430dd519f38Smrg (umask $mkdir_umask && 431dd519f38Smrg eval "\$doit_exec \$mkdirprog $prefixes") || 432dd519f38Smrg test -d "$dstdir" || exit 1 433dd519f38Smrg obsolete_mkdir_used=true 434dd519f38Smrg fi 435dd519f38Smrg fi 436dd519f38Smrg fi 437dd519f38Smrg 438dd519f38Smrg if test -n "$dir_arg"; then 439dd519f38Smrg { test -z "$chowncmd" || $doit $chowncmd "$dst"; } && 440dd519f38Smrg { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } && 441dd519f38Smrg { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false || 442dd519f38Smrg test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1 443dd519f38Smrg else 444dd519f38Smrg 445dd519f38Smrg # Make a couple of temp file names in the proper directory. 446dd519f38Smrg dsttmp=$dstdir/_inst.$$_ 447dd519f38Smrg rmtmp=$dstdir/_rm.$$_ 448dd519f38Smrg 449dd519f38Smrg # Trap to clean up those temp files at exit. 450dd519f38Smrg trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 451dd519f38Smrg 452dd519f38Smrg # Copy the file name to the temp name. 453dd519f38Smrg (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") && 454dd519f38Smrg 455dd519f38Smrg # and set any options; do chmod last to preserve setuid bits. 456dd519f38Smrg # 457dd519f38Smrg # If any of these fail, we abort the whole thing. If we want to 458dd519f38Smrg # ignore errors from any of these, just make sure not to ignore 459dd519f38Smrg # errors from the above "$doit $cpprog $src $dsttmp" command. 460dd519f38Smrg # 461dd519f38Smrg { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } && 462dd519f38Smrg { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } && 463dd519f38Smrg { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } && 464dd519f38Smrg { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } && 465dd519f38Smrg 466dd519f38Smrg # If -C, don't bother to copy if it wouldn't change the file. 467dd519f38Smrg if $copy_on_change && 468dd519f38Smrg old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` && 469dd519f38Smrg new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` && 470dd519f38Smrg 471dd519f38Smrg eval "$initialize_posix_glob" && 472dd519f38Smrg $posix_glob set -f && 473dd519f38Smrg set X $old && old=:$2:$4:$5:$6 && 474dd519f38Smrg set X $new && new=:$2:$4:$5:$6 && 475dd519f38Smrg $posix_glob set +f && 476dd519f38Smrg 477dd519f38Smrg test "$old" = "$new" && 478dd519f38Smrg $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1 479dd519f38Smrg then 480dd519f38Smrg rm -f "$dsttmp" 481dd519f38Smrg else 482dd519f38Smrg # Rename the file to the real destination. 483dd519f38Smrg $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null || 484dd519f38Smrg 485dd519f38Smrg # The rename failed, perhaps because mv can't rename something else 486dd519f38Smrg # to itself, or perhaps because mv is so ancient that it does not 487dd519f38Smrg # support -f. 488dd519f38Smrg { 489dd519f38Smrg # Now remove or move aside any old file at destination location. 490dd519f38Smrg # We try this two ways since rm can't unlink itself on some 491dd519f38Smrg # systems and the destination file might be busy for other 492dd519f38Smrg # reasons. In this case, the final cleanup might fail but the new 493dd519f38Smrg # file should still install successfully. 494dd519f38Smrg { 495dd519f38Smrg test ! -f "$dst" || 496dd519f38Smrg $doit $rmcmd -f "$dst" 2>/dev/null || 497dd519f38Smrg { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null && 498dd519f38Smrg { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; } 499dd519f38Smrg } || 500dd519f38Smrg { echo "$0: cannot unlink or rename $dst" >&2 501dd519f38Smrg (exit 1); exit 1 502dd519f38Smrg } 503dd519f38Smrg } && 504dd519f38Smrg 505dd519f38Smrg # Now rename the file to the real destination. 506dd519f38Smrg $doit $mvcmd "$dsttmp" "$dst" 507dd519f38Smrg } 508dd519f38Smrg fi || exit 1 509dd519f38Smrg 510dd519f38Smrg trap '' 0 511dd519f38Smrg fi 512dd519f38Smrgdone 513ed029a5fSmrg 514dd519f38Smrg# Local variables: 515dd519f38Smrg# eval: (add-hook 'write-file-hooks 'time-stamp) 516dd519f38Smrg# time-stamp-start: "scriptversion=" 517dd519f38Smrg# time-stamp-format: "%:y-%02m-%02d.%02H" 518dd519f38Smrg# time-stamp-time-zone: "UTC" 519dd519f38Smrg# time-stamp-end: "; # UTC" 520dd519f38Smrg# End: 521