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May 24, 1996
Newer
100755
541 lines (466 sloc)
15 KB
1
#!/bin/sh
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# install - install a program, script, or datafile
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# This originates from X11R5 (mit/util/scripts/install.sh), which was
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# later released in X11R6 (xc/config/util/install.sh) with the
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# following copyright and license.
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#
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# Copyright (C) 1994 X Consortium
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to
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# deal in the Software without restriction, including without limitation the
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# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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# sell copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
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# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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# Except as contained in this notice, the name of the X Consortium shall not
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# be used in advertising or otherwise to promote the sale, use or other deal-
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# ings in this Software without prior written authorization from the X Consor-
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# tium.
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#
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#
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# FSF changes to this file are in the public domain.
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#
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# Put in absolute file names if you don't have them in your path;
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# or use environment vars.
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chgrpprog=${CHGRPPROG-chgrp}
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chmodprog=${CHMODPROG-chmod}
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chownprog=${CHOWNPROG-chown}
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cmpprog=${CMPPROG-cmp}
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cpprog=${CPPROG-cp}
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mkdirprog=${MKDIRPROG-mkdir}
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mvprog=${MVPROG-mv}
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rmprog=${RMPROG-rm}
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stripprog=${STRIPPROG-strip}
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# Create dirs (including intermediate dirs) using mode 755.
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# This is like GNU 'install' as of coreutils 8.32 (2020).
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mkdir_umask=22
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backupsuffix=
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chgrpcmd=
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chmodcmd=$chmodprog
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chowncmd=
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mvcmd=$mvprog
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rmcmd="$rmprog -f"
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stripcmd=
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usage="\
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Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
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or: $0 [OPTION]... SRCFILES... DIRECTORY
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or: $0 [OPTION]... -t DIRECTORY SRCFILES...
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or: $0 [OPTION]... -d DIRECTORIES...
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In the 1st form, copy SRCFILE to DSTFILE.
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In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
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In the 4th, create DIRECTORIES.
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Options:
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--help display this help and exit.
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--version display version info and exit.
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-d create directories instead of installing files.
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-g GROUP $chgrpprog installed files to GROUP.
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-m MODE $chmodprog installed files to MODE.
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-o USER $chownprog installed files to USER.
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-t DIRECTORY install into DIRECTORY.
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-T report an error if DSTFILE is a directory.
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Environment variables override the default commands:
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CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
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RMPROG STRIPPROG
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By default, rm is invoked with -f; when overridden with RMPROG,
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it's up to you to specify -f if you want it.
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If -S is not specified, no backups are attempted.
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Email bug reports to bug-automake@gnu.org.
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Automake home page: https://www.gnu.org/software/automake/
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-m) mode=$2
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case $mode in
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*' '* | *"$tab"* | *"$nl"* | *'*'* | *'?'* | *'['*)
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echo "$0: invalid mode: $mode" >&2
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exit 1;;
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esac
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shift;;
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-t)
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is_target_a_directory=always
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dst_arg=$2
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# Protect names problematic for 'test' and other utilities.
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case $dst_arg in
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-* | [=\(\)!]) dst_arg=./$dst_arg;;
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esac
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shift;;
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# We allow the use of options -d and -T together, by making -d
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# take the precedence; this is for compatibility with GNU install.
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if test -n "$dir_arg"; then
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if test -n "$dst_arg"; then
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echo "$0: target directory not allowed when installing a directory." >&2
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exit 1
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fi
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fi
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if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
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# When -d is used, all remaining arguments are directories to create.
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# When -t is used, the destination is already specified.
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# Otherwise, the last argument is the destination. Remove it from $@.
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for arg
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do
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if test -n "$dst_arg"; then
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# $@ is not empty: it contains at least $arg.
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set fnord "$@" "$dst_arg"
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shift # fnord
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fi
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shift # arg
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dst_arg=$arg
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# Protect names problematic for 'test' and other utilities.
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case $dst_arg in
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-* | [=\(\)!]) dst_arg=./$dst_arg;;
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esac
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done
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fi
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if test $# -eq 0; then
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if test -z "$dir_arg"; then
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echo "$0: no input file specified." >&2
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exit 1
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fi
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# It's OK to call 'install-sh -d' without argument.
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# This can happen when creating conditional directories.
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exit 0
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fi
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if test -z "$dir_arg"; then
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if test $# -gt 1 || test "$is_target_a_directory" = always; then
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if test ! -d "$dst_arg"; then
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echo "$0: $dst_arg: Is not a directory." >&2
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exit 1
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fi
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fi
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fi
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if test -z "$dir_arg"; then
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do_exit='(exit $ret); exit $ret'
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trap "ret=129; $do_exit" 1
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trap "ret=130; $do_exit" 2
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trap "ret=141; $do_exit" 13
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trap "ret=143; $do_exit" 15
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# Set umask so as not to create temps with too-generous modes.
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# However, 'strip' requires both read and write access to temps.
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case $mode in
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# Optimize common cases.
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*644) cp_umask=133;;
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*755) cp_umask=22;;
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*[0-7])
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if test -z "$stripcmd"; then
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u_plus_rw=
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else
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u_plus_rw='% 200'
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fi
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cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
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*)
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if test -z "$stripcmd"; then
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u_plus_rw=
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else
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u_plus_rw=,u+rw
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fi
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cp_umask=$mode$u_plus_rw;;
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esac
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fi
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for src
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do
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# Protect names problematic for 'test' and other utilities.
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case $src in
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-* | [=\(\)!]) src=./$src;;
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esac
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if test -n "$dir_arg"; then
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dst=$src
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dstdir=$dst
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test -d "$dstdir"
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dstdir_status=$?
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# Don't chown directories that already exist.
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if test $dstdir_status = 0; then
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chowncmd=""
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fi
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else
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# Waiting for this to be detected by the "$cpprog $src $dsttmp" command
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# might cause directories to be created, which would be especially bad
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# if $src (and thus $dsttmp) contains '*'.
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if test ! -f "$src" && test ! -d "$src"; then
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echo "$0: $src does not exist." >&2
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exit 1
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fi
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if test -z "$dst_arg"; then
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echo "$0: no destination specified." >&2
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exit 1
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fi
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dst=$dst_arg
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# If destination is a directory, append the input filename.
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if test -d "$dst"; then
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if test "$is_target_a_directory" = never; then
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echo "$0: $dst_arg: Is a directory" >&2
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exit 1
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fi
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dstdir=$dst
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dstbase=`basename "$src"`
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case $dst in
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*/) dst=$dst$dstbase;;
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*) dst=$dst/$dstbase;;
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esac
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dstdir_status=0
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else
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dstdir=`dirname "$dst"`
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test -d "$dstdir"
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dstdir_status=$?
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fi
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fi
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case $dstdir in
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*/) dstdirslash=$dstdir;;
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*) dstdirslash=$dstdir/;;
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esac
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obsolete_mkdir_used=false
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if test $dstdir_status != 0; then
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case $posix_mkdir in
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'')
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# With -d, create the new directory with the user-specified mode.
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# Otherwise, rely on $mkdir_umask.
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if test -n "$dir_arg"; then
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mkdir_mode=-m$mode
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else
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mkdir_mode=
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fi
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posix_mkdir=false
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# The $RANDOM variable is not portable (e.g., dash). Use it
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# here however when possible just to lower collision chance.
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tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
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trap '
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ret=$?
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rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 2>/dev/null
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exit $ret
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' 0
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# Because "mkdir -p" follows existing symlinks and we likely work
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# directly in world-writeable /tmp, make sure that the '$tmpdir'
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# directory is successfully created first before we actually test
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# 'mkdir -p'.
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if (umask $mkdir_umask &&
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$mkdirprog $mkdir_mode "$tmpdir" &&
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exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1
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then
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if test -z "$dir_arg" || {
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# Check for POSIX incompatibilities with -m.
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# HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
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# other-writable bit of parent directory when it shouldn't.
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# FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
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test_tmpdir="$tmpdir/a"
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ls_ld_tmpdir=`ls -ld "$test_tmpdir"`
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case $ls_ld_tmpdir in
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d????-?r-*) different_mode=700;;
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d????-?--*) different_mode=755;;
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*) false;;
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esac &&
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$mkdirprog -m$different_mode -p -- "$test_tmpdir" && {
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ls_ld_tmpdir_1=`ls -ld "$test_tmpdir"`
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test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
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}
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}
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then posix_mkdir=:
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fi
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rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir"
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else
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# Remove any dirs left behind by ancient mkdir implementations.
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rmdir ./$mkdir_mode ./-p ./-- "$tmpdir" 2>/dev/null
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fi
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trap '' 0;;
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if
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$posix_mkdir && (
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umask $mkdir_umask &&
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$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
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)
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then :
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else
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# or it failed possibly due to a race condition. Create the
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# directory the slow way, step by step, checking for races as we go.
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case $dstdir in
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/*) prefix='/';;
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[-=\(\)!]*) prefix='./';;
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*) prefix='';;
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esac
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oIFS=$IFS
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IFS=/
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set -f
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set fnord $dstdir
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shift
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set +f
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IFS=$oIFS
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prefixes=
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for d
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do
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test X"$d" = X && continue
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prefix=$prefix$d
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if test -d "$prefix"; then
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prefixes=
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else
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if $posix_mkdir; then
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$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
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# Don't fail if two instances are running concurrently.
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test -d "$prefix" || exit 1
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else
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case $prefix in
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*\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
426
*) qprefix=$prefix;;
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esac
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prefixes="$prefixes '$qprefix'"
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fi
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fi
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prefix=$prefix/
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done
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if test -n "$prefixes"; then
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# Don't fail if two instances are running concurrently.
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(umask $mkdir_umask &&
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eval "\$doit_exec \$mkdirprog $prefixes") ||
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test -d "$dstdir" || exit 1
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obsolete_mkdir_used=true
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fi
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fi
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fi
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if test -n "$dir_arg"; then
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{ test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
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{ test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
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{ test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
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test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
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else
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# Make a couple of temp file names in the proper directory.
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dsttmp=${dstdirslash}_inst.$$_
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rmtmp=${dstdirslash}_rm.$$_
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# Trap to clean up those temp files at exit.
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trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
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# Copy the file name to the temp name.
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(umask $cp_umask &&
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{ test -z "$stripcmd" || {
461
# Create $dsttmp read-write so that cp doesn't create it read-only,
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# which would cause strip to fail.
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if test -z "$doit"; then
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: >"$dsttmp" # No need to fork-exec 'touch'.
465
else
466
$doit touch "$dsttmp"
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fi
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}
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} &&
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$doit_exec $cpprog "$src" "$dsttmp") &&
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# and set any options; do chmod last to preserve setuid bits.
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#
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# If any of these fail, we abort the whole thing. If we want to
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# ignore errors from any of these, just make sure not to ignore
476
# errors from the above "$doit $cpprog $src $dsttmp" command.
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#
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{ test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
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{ test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
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{ test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
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{ test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
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# If -C, don't bother to copy if it wouldn't change the file.
484
if $copy_on_change &&
485
old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` &&
486
new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` &&
487
set -f &&
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set X $old && old=:$2:$4:$5:$6 &&
489
set X $new && new=:$2:$4:$5:$6 &&
490
set +f &&
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test "$old" = "$new" &&
492
$cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
493
then
494
rm -f "$dsttmp"
495
else
496
# If $backupsuffix is set, and the file being installed
497
# already exists, attempt a backup. Don't worry if it fails,
498
# e.g., if mv doesn't support -f.
499
if test -n "$backupsuffix" && test -f "$dst"; then
500
$doit $mvcmd -f "$dst" "$dst$backupsuffix" 2>/dev/null
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fi
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# Rename the file to the real destination.
504
$doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
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506
# The rename failed, perhaps because mv can't rename something else
507
# to itself, or perhaps because mv is so ancient that it does not
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# support -f.
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{
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# Now remove or move aside any old file at destination location.
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# We try this two ways since rm can't unlink itself on some
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# systems and the destination file might be busy for other
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# reasons. In this case, the final cleanup might fail but the new
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# file should still install successfully.
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{
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test ! -f "$dst" ||
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} ||
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{ echo "$0: cannot unlink or rename $dst" >&2
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(exit 1); exit 1
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}
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} &&
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# Now rename the file to the real destination.
527
$doit $mvcmd "$dsttmp" "$dst"
528
}
529
fi || exit 1
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531
trap '' 0
532
fi
533
done
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