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395 lines
10 KiB
395 lines
10 KiB
#!/bin/sh
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# install - install a program, script, or datafile
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scriptversion=2005-11-07.23
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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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# Calling this script install-sh is preferred over install.sh, to prevent
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# `make' implicit rules from creating a file called install from it
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# when there is no Makefile.
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#
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# This script is compatible with the BSD install script, but was written
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# from scratch. It can only install one file at a time, a restriction
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# shared with many OS's install programs.
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# set DOITPROG to echo to test this script
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# Don't use :- since 4.3BSD and earlier shells don't like it.
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doit="${DOITPROG-}"
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# put in absolute paths if you don't have them in your path; or use env. vars.
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mvprog="${MVPROG-mv}"
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cpprog="${CPPROG-cp}"
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chmodprog="${CHMODPROG-chmod}"
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chownprog="${CHOWNPROG-chown}"
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chgrpprog="${CHGRPPROG-chgrp}"
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stripprog="${STRIPPROG-strip}"
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rmprog="${RMPROG-rm}"
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mkdirprog="${MKDIRPROG-mkdir}"
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posix_glob=
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posix_mkdir=
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# Symbolic mode for testing mkdir with directories.
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# It is the same as 755, but also tests that "u+" works.
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test_mode=u=rwx,g=rx,o=rx,u+wx
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# Desired mode of installed file.
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mode=0755
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# Desired mode of newly created intermediate directories.
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# It is empty if not known yet.
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intermediate_mode=
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chmodcmd=$chmodprog
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chowncmd=
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chgrpcmd=
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stripcmd=
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rmcmd="$rmprog -f"
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mvcmd="$mvprog"
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src=
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dst=
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dir_arg=
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dstarg=
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no_target_directory=
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usage="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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-c (ignored)
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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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-s $stripprog installed files.
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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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--help display this help and exit.
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--version display version info and exit.
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Environment variables override the default commands:
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CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG
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"
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while test -n "$1"; do
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case $1 in
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-c) shift
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continue;;
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-d) dir_arg=true
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shift
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continue;;
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-g) chgrpcmd="$chgrpprog $2"
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shift
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shift
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continue;;
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--help) echo "$usage"; exit $?;;
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-m) mode=$2
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shift
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shift
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continue;;
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-o) chowncmd="$chownprog $2"
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shift
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shift
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continue;;
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-s) stripcmd=$stripprog
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shift
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continue;;
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-t) dstarg=$2
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shift
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shift
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continue;;
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-T) no_target_directory=true
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shift
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continue;;
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--version) echo "$0 $scriptversion"; exit $?;;
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*) # When -d is used, all remaining arguments are directories to create.
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# When -t is used, the destination is already specified.
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test -n "$dir_arg$dstarg" && break
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# Otherwise, the last argument is the destination. Remove it from $@.
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for arg
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do
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if test -n "$dstarg"; then
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# $@ is not empty: it contains at least $arg.
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set fnord "$@" "$dstarg"
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shift # fnord
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fi
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shift # arg
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dstarg=$arg
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done
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break;;
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esac
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done
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if test -z "$1"; then
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if test -z "$dir_arg"; then
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echo "$0: no input file specified." >&2
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exit 1
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fi
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# It's OK to call `install-sh -d' without argument.
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# This can happen when creating conditional directories.
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exit 0
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fi
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test -n "$dir_arg" || trap '(exit $?); exit' 1 2 13 15
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for src
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do
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# Protect names starting with `-'.
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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=$?
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else
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# Waiting for this to be detected by the "$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: $src does not exist." >&2
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exit 1
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fi
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if test -z "$dstarg"; then
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echo "$0: no destination specified." >&2
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exit 1
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fi
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dst=$dstarg
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# Protect names starting with `-'.
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case $dst in
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-*) dst=./$dst ;;
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esac
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# If destination is a directory, append the input filename; won't work
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# if double slashes aren't ignored.
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if test -d "$dst"; then
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if test -n "$no_target_directory"; then
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echo "$0: $dstarg: Is a directory" >&2
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exit 1
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fi
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dstdir=$dst
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dst=$dstdir/`basename "$src"`
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dstdir_status=0
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else
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# Prefer dirname, but fall back on a substitute if dirname fails.
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dstdir=`
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(dirname "$dst") 2>/dev/null ||
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expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
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X"$dst" : 'X\(//\)[^/]' \| \
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X"$dst" : 'X\(//\)$' \| \
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X"$dst" : 'X\(/\)' \| \
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. : '\(.\)' 2>/dev/null ||
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echo X"$dst" |
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sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
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/^X\(\/\/\)[^/].*/{ s//\1/; q; }
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/^X\(\/\/\)$/{ s//\1/; q; }
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/^X\(\/\).*/{ s//\1/; q; }
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s/.*/./; q'
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`
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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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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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posix_mkdir=false
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if $mkdirprog -m $test_mode -p -- / >/dev/null 2>&1; then
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posix_mkdir=true
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else
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# Remove any dirs left behind by ancient mkdir implementations.
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rmdir ./-m "$test_mode" ./-p ./-- 2>/dev/null
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fi ;;
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esac
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if
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$posix_mkdir && {
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# With -d, create the new directory with the user-specified mode.
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# Otherwise, create it using the same intermediate mode that
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# mkdir -p would use when creating intermediate directories.
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# POSIX says that this mode is "$(umask -S),u+wx", so use that
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# if umask -S works.
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if test -n "$dir_arg"; then
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mkdir_mode=$mode
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else
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case $intermediate_mode in
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'')
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if umask_S=`(umask -S) 2>/dev/null`; then
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intermediate_mode=$umask_S,u+wx
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else
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intermediate_mode=$test_mode
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fi ;;
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esac
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mkdir_mode=$intermediate_mode
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fi
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$mkdirprog -m "$mkdir_mode" -p -- "$dstdir"
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}
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then :
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else
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# mkdir does not conform to POSIX, or it failed possibly due to
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# a race condition. Create the directory the slow way, step by
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# step, checking for races as we go.
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case $dstdir in
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/*) pathcomp=/ ;;
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-*) pathcomp=./ ;;
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*) pathcomp= ;;
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esac
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case $posix_glob in
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'')
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if (set -f) 2>/dev/null; then
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posix_glob=true
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else
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posix_glob=false
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fi ;;
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esac
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oIFS=$IFS
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IFS=/
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$posix_glob && set -f
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set fnord $dstdir
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shift
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$posix_glob && set +f
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IFS=$oIFS
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for d
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do
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test "x$d" = x && continue
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pathcomp=$pathcomp$d
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if test ! -d "$pathcomp"; then
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$mkdirprog "$pathcomp"
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# Don't fail if two instances are running concurrently.
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test -d "$pathcomp" || exit 1
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fi
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pathcomp=$pathcomp/
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done
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obsolete_mkdir_used=true
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fi
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fi
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if test -n "$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" "$dst"; } || exit 1
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else
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# Make a couple of temp file names in the proper directory.
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dsttmp=$dstdir/_inst.$$_
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rmtmp=$dstdir/_rm.$$_
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# Trap to clean up those temp files at exit.
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trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
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# Copy the file name to the temp name.
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$doit $cpprog "$src" "$dsttmp" &&
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# and set any options; do chmod last to preserve setuid bits.
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#
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# If any of these fail, we abort the whole thing. If we want to
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# ignore errors from any of these, just make sure not to ignore
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# errors from the above "$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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# Now rename the file to the real destination.
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{ $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null \
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|| {
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# The rename failed, perhaps because mv can't rename something else
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# to itself, or perhaps because mv is so ancient that it does not
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# support -f.
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# Now remove or move aside any old file at destination location.
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# We try this two ways since rm can't unlink itself on some
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# systems and the destination file might be busy for other
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# reasons. In this case, the final cleanup might fail but the new
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# file should still install successfully.
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{
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if test -f "$dst"; then
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$doit $rmcmd -f "$dst" 2>/dev/null \
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|| { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null \
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&& { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }; }\
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|| {
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echo "$0: cannot unlink or rename $dst" >&2
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(exit 1); exit 1
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}
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else
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:
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fi
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} &&
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# Now rename the file to the real destination.
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$doit $mvcmd "$dsttmp" "$dst"
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}
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} || exit 1
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trap '' 0
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fi
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done
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