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-rwxr-xr-xcontrib/file/install-sh750
1 files changed, 262 insertions, 488 deletions
diff --git a/contrib/file/install-sh b/contrib/file/install-sh
index 377bb8687ffe..b12c0f718920 100755
--- a/contrib/file/install-sh
+++ b/contrib/file/install-sh
@@ -1,527 +1,301 @@
#!/bin/sh
-# install - install a program, script, or datafile
-
-scriptversion=2011-11-20.07; # UTC
-
-# This originates from X11R5 (mit/util/scripts/install.sh), which was
-# later released in X11R6 (xc/config/util/install.sh) with the
-# following copyright and license.
-#
-# Copyright (C) 1994 X Consortium
#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to
-# deal in the Software without restriction, including without limitation the
-# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
-# sell copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
+# $NetBSD: install-sh.in,v 1.6 2012/01/11 13:07:31 hans Exp $
+# This script now also installs multiple files, but might choke on installing
+# multiple files with spaces in the file names.
#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
-# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
-# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-#
-# Except as contained in this notice, the name of the X Consortium shall not
-# be used in advertising or otherwise to promote the sale, use or other deal-
-# ings in this Software without prior written authorization from the X Consor-
-# tium.
+# install - install a program, script, or datafile
+# This comes from X11R5 (mit/util/scripts/install.sh).
#
+# Copyright 1991 by the Massachusetts Institute of Technology
#
-# FSF changes to this file are in the public domain.
+# Permission to use, copy, modify, distribute, and sell this software and its
+# documentation for any purpose is hereby granted without fee, provided that
+# the above copyright notice appear in all copies and that both that
+# copyright notice and this permission notice appear in supporting
+# documentation, and that the name of M.I.T. not be used in advertising or
+# publicity pertaining to distribution of the software without specific,
+# written prior permission. M.I.T. makes no representations about the
+# suitability of this software for any purpose. It is provided "as is"
+# without express or implied warranty.
#
# Calling this script install-sh is preferred over install.sh, to prevent
-# 'make' implicit rules from creating a file called install from it
+# `make' implicit rules from creating a file called install from it
# when there is no Makefile.
#
# This script is compatible with the BSD install script, but was written
# from scratch.
-nl='
-'
-IFS=" "" $nl"
-
# set DOITPROG to echo to test this script
# Don't use :- since 4.3BSD and earlier shells don't like it.
-doit=${DOITPROG-}
-if test -z "$doit"; then
- doit_exec=exec
-else
- doit_exec=$doit
-fi
-
-# Put in absolute file names if you don't have them in your path;
-# or use environment vars.
-
-chgrpprog=${CHGRPPROG-chgrp}
-chmodprog=${CHMODPROG-chmod}
-chownprog=${CHOWNPROG-chown}
-cmpprog=${CMPPROG-cmp}
-cpprog=${CPPROG-cp}
-mkdirprog=${MKDIRPROG-mkdir}
-mvprog=${MVPROG-mv}
-rmprog=${RMPROG-rm}
-stripprog=${STRIPPROG-strip}
-
-posix_glob='?'
-initialize_posix_glob='
- test "$posix_glob" != "?" || {
- if (set -f) 2>/dev/null; then
- posix_glob=
- else
- posix_glob=:
- fi
- }
-'
-
-posix_mkdir=
-
-# Desired mode of installed file.
-mode=0755
-
-chgrpcmd=
-chmodcmd=$chmodprog
-chowncmd=
-mvcmd=$mvprog
+doit="${DOITPROG-}"
+
+
+# put in absolute paths if you don't have them in your path; or use env. vars.
+
+awkprog="${AWKPROG-awk}"
+mvprog="${MVPROG-mv}"
+cpprog="${CPPROG-cp}"
+chmodprog="${CHMODPROG-chmod}"
+chownprog="${CHOWNPROG-chown}"
+chgrpprog="${CHGRPPROG-chgrp}"
+stripprog="${STRIPPROG-strip}"
+rmprog="${RMPROG-rm}"
+mkdirprog="${MKDIRPROG-mkdir}"
+
+instcmd="$cpprog"
+instflags=""
+pathcompchmodcmd="$chmodprog 755"
+chmodcmd="$chmodprog 755"
+chowncmd=""
+chgrpcmd=""
+stripcmd=""
+stripflags=""
rmcmd="$rmprog -f"
-stripcmd=
-
-src=
-dst=
-dir_arg=
-dst_arg=
-
-copy_on_change=false
-no_target_directory=
-
-usage="\
-Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
- or: $0 [OPTION]... SRCFILES... DIRECTORY
- or: $0 [OPTION]... -t DIRECTORY SRCFILES...
- or: $0 [OPTION]... -d DIRECTORIES...
-
-In the 1st form, copy SRCFILE to DSTFILE.
-In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
-In the 4th, create DIRECTORIES.
-
-Options:
- --help display this help and exit.
- --version display version info and exit.
-
- -c (ignored)
- -C install only if different (preserve the last data modification time)
- -d create directories instead of installing files.
- -g GROUP $chgrpprog installed files to GROUP.
- -m MODE $chmodprog installed files to MODE.
- -o USER $chownprog installed files to USER.
- -s $stripprog installed files.
- -t DIRECTORY install into DIRECTORY.
- -T report an error if DSTFILE is a directory.
+mvcmd="$mvprog"
+src=""
+msrc=""
+dst=""
+dir_arg=""
+suffix=""
+suffixfmt=""
+
+while [ x"$1" != x ]; do
+ case $1 in
+ -b) suffix=".old"
+ shift
+ continue;;
+
+ -B) suffixfmt="$2"
+ shift
+ shift
+ continue;;
+
+ -c) instcmd="$cpprog"
+ shift
+ continue;;
+
+ -d) dir_arg=true
+ shift
+ continue;;
+
+ -m) chmodcmd="$chmodprog $2"
+ shift
+ shift
+ continue;;
+
+ -m*)
+ chmodcmd="$chmodprog ${1#-m}"
+ shift
+ continue;;
+
+ -o) chowncmd="$chownprog $2"
+ shift
+ shift
+ continue;;
+
+ -g) chgrpcmd="$chgrpprog $2"
+ shift
+ shift
+ continue;;
+
+ -s) stripcmd="$stripprog"
+ shift
+ continue;;
+
+ -S) stripcmd="$stripprog"
+ stripflags="-S $2 $stripflags"
+ shift
+ shift
+ continue;;
+
+ -p) instflags="-p"
+ shift
+ continue;;
+
+ *) if [ x"$msrc" = x ]
+ then
+ msrc="$dst"
+ else
+ msrc="$msrc $dst"
+ fi
+ src="$dst"
+ dst="$1"
+ shift
+ continue;;
+ esac
+done
-Environment variables override the default commands:
- CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
- RMPROG STRIPPROG
-"
+if [ x"$dir_arg" = x ]
+then
+ dstisfile=""
+ if [ ! -d "$dst" ]
+ then
+ if [ x"$msrc" = x"$src" ]
+ then
+ dstisfile=true
+ else
+ echo "install: destination is not a directory"
+ exit 1
+ fi
+ fi
+else
+ msrc="$msrc $dst"
+fi
-while test $# -ne 0; do
- case $1 in
- -c) ;;
+if [ x"$msrc" = x ]
+then
+ echo "install: no destination specified"
+ exit 1
+fi
- -C) copy_on_change=true;;
+for srcarg in $msrc; do
- -d) dir_arg=true;;
+if [ x"$dir_arg" != x ]; then
- -g) chgrpcmd="$chgrpprog $2"
- shift;;
+ dstarg="$srcarg"
+else
+ dstarg="$dst"
+
+# Waiting for this to be detected by the "$instcmd $srcarg $dsttmp" command
+# might cause directories to be created, which would be especially bad
+# if $src (and thus $dsttmp) contains '*'.
+
+ if [ -f "$srcarg" ]
+ then
+ doinst="$instcmd $instflags"
+ elif [ -d "$srcarg" ]
+ then
+ echo "install: $srcarg: not a regular file"
+ exit 1
+ elif [ "$srcarg" = "/dev/null" ]
+ then
+ doinst="$cpprog"
+ else
+ echo "install: $srcarg does not exist"
+ exit 1
+ fi
+
+# If destination is a directory, append the input filename; if your system
+# does not like double slashes in filenames, you may need to add some logic
- --help) echo "$usage"; exit $?;;
+ if [ -d "$dstarg" ]
+ then
+ dstarg="$dstarg"/`basename "$srcarg"`
+ fi
+fi
- -m) mode=$2
- case $mode in
- *' '* | *' '* | *'
-'* | *'*'* | *'?'* | *'['*)
- echo "$0: invalid mode: $mode" >&2
- exit 1;;
- esac
- shift;;
+## this sed command emulates the dirname command
+dstdir=`echo "$dstarg" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
- -o) chowncmd="$chownprog $2"
- shift;;
+# Make sure that the destination directory exists.
+# this part is taken from Noah Friedman's mkinstalldirs script
- -s) stripcmd=$stripprog;;
+# Skip lots of stat calls in the usual case.
+if [ ! -d "$dstdir" ]; then
+defaultIFS='
+'
+IFS="${IFS-${defaultIFS}}"
- -t) dst_arg=$2
- # Protect names problematic for 'test' and other utilities.
- case $dst_arg in
- -* | [=\(\)!]) dst_arg=./$dst_arg;;
- esac
- shift;;
+oIFS="${IFS}"
+# Some sh's can't handle IFS=/ for some reason.
+IFS='%'
+set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
+IFS="${oIFS}"
- -T) no_target_directory=true;;
+pathcomp=''
- --version) echo "$0 $scriptversion"; exit $?;;
+while [ $# -ne 0 ] ; do
+ pathcomp="${pathcomp}${1}"
+ shift
- --) shift
- break;;
+ if [ ! -d "${pathcomp}" ] ;
+ then
+ $doit $mkdirprog "${pathcomp}"
+ if [ x"$chowncmd" != x ]; then $doit $chowncmd "${pathcomp}"; else true ; fi &&
+ if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "${pathcomp}"; else true ; fi &&
+ if [ x"$pathcompchmodcmd" != x ]; then $doit $pathcompchmodcmd "${pathcomp}"; else true ; fi
- -*) echo "$0: invalid option: $1" >&2
- exit 1;;
+ else
+ true
+ fi
- *) break;;
- esac
- shift
+ pathcomp="${pathcomp}/"
done
-
-if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
- # When -d is used, all remaining arguments are directories to create.
- # When -t is used, the destination is already specified.
- # Otherwise, the last argument is the destination. Remove it from $@.
- for arg
- do
- if test -n "$dst_arg"; then
- # $@ is not empty: it contains at least $arg.
- set fnord "$@" "$dst_arg"
- shift # fnord
- fi
- shift # arg
- dst_arg=$arg
- # Protect names problematic for 'test' and other utilities.
- case $dst_arg in
- -* | [=\(\)!]) dst_arg=./$dst_arg;;
- esac
- done
fi
-if test $# -eq 0; then
- if test -z "$dir_arg"; then
- echo "$0: no input file specified." >&2
- exit 1
- fi
- # It's OK to call 'install-sh -d' without argument.
- # This can happen when creating conditional directories.
- exit 0
-fi
-
-if test -z "$dir_arg"; then
- do_exit='(exit $ret); exit $ret'
- trap "ret=129; $do_exit" 1
- trap "ret=130; $do_exit" 2
- trap "ret=141; $do_exit" 13
- trap "ret=143; $do_exit" 15
-
- # Set umask so as not to create temps with too-generous modes.
- # However, 'strip' requires both read and write access to temps.
- case $mode in
- # Optimize common cases.
- *644) cp_umask=133;;
- *755) cp_umask=22;;
-
- *[0-7])
- if test -z "$stripcmd"; then
- u_plus_rw=
- else
- u_plus_rw='% 200'
- fi
- cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
- *)
- if test -z "$stripcmd"; then
- u_plus_rw=
- else
- u_plus_rw=,u+rw
- fi
- cp_umask=$mode$u_plus_rw;;
- esac
-fi
-
-for src
-do
- # Protect names problematic for 'test' and other utilities.
- case $src in
- -* | [=\(\)!]) src=./$src;;
- esac
-
- if test -n "$dir_arg"; then
- dst=$src
- dstdir=$dst
- test -d "$dstdir"
- dstdir_status=$?
- else
-
- # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
- # might cause directories to be created, which would be especially bad
- # if $src (and thus $dsttmp) contains '*'.
- if test ! -f "$src" && test ! -d "$src"; then
- echo "$0: $src does not exist." >&2
- exit 1
- fi
-
- if test -z "$dst_arg"; then
- echo "$0: no destination specified." >&2
- exit 1
- fi
- dst=$dst_arg
-
- # If destination is a directory, append the input filename; won't work
- # if double slashes aren't ignored.
- if test -d "$dst"; then
- if test -n "$no_target_directory"; then
- echo "$0: $dst_arg: Is a directory" >&2
- exit 1
- fi
- dstdir=$dst
- dst=$dstdir/`basename "$src"`
- dstdir_status=0
- else
- # Prefer dirname, but fall back on a substitute if dirname fails.
- dstdir=`
- (dirname "$dst") 2>/dev/null ||
- expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
- X"$dst" : 'X\(//\)[^/]' \| \
- X"$dst" : 'X\(//\)$' \| \
- X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
- echo X"$dst" |
- sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
- s//\1/
- q
- }
- /^X\(\/\/\)[^/].*/{
- s//\1/
- q
- }
- /^X\(\/\/\)$/{
- s//\1/
- q
- }
- /^X\(\/\).*/{
- s//\1/
- q
- }
- s/.*/./; q'
- `
-
- test -d "$dstdir"
- dstdir_status=$?
- fi
- fi
-
- obsolete_mkdir_used=false
-
- if test $dstdir_status != 0; then
- case $posix_mkdir in
- '')
- # Create intermediate dirs using mode 755 as modified by the umask.
- # This is like FreeBSD 'install' as of 1997-10-28.
- umask=`umask`
- case $stripcmd.$umask in
- # Optimize common cases.
- *[2367][2367]) mkdir_umask=$umask;;
- .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
-
- *[0-7])
- mkdir_umask=`expr $umask + 22 \
- - $umask % 100 % 40 + $umask % 20 \
- - $umask % 10 % 4 + $umask % 2
- `;;
- *) mkdir_umask=$umask,go-w;;
- esac
-
- # With -d, create the new directory with the user-specified mode.
- # Otherwise, rely on $mkdir_umask.
- if test -n "$dir_arg"; then
- mkdir_mode=-m$mode
+ if [ x"$dir_arg" != x ]
+ then
+ if [ -d "$dstarg" ]; then
+ true
+ else
+ $doit $mkdirprog "$dstarg" &&
+
+ if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dstarg"; else true ; fi &&
+ if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dstarg"; else true ; fi &&
+ if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dstarg"; else true ; fi
+ fi
else
- mkdir_mode=
+
+ if [ x"$dstisfile" = x ]
+ then
+ file=$srcarg
+ else
+ file=$dst
+ fi
+
+ dstfile=`basename "$file"`
+ dstfinal="$dstdir/$dstfile"
+
+# Make a temp file name in the proper directory.
+
+ dsttmp=$dstdir/#inst.$$#
+
+# Make a backup file name in the proper directory.
+ case x$suffixfmt in
+ *%*) suffix=`echo x |
+ $awkprog -v bname="$dstfinal" -v fmt="$suffixfmt" '
+ { cnt = 0;
+ do {
+ sfx = sprintf(fmt, cnt++);
+ name = bname sfx;
+ } while (system("test -f " name) == 0);
+ print sfx; }' -`;;
+ x) ;;
+ *) suffix="$suffixfmt";;
+ esac
+ dstbackup="$dstfinal$suffix"
+
+# Move or copy the file name to the temp name
+
+ $doit $doinst $srcarg "$dsttmp" &&
+
+ trap "rm -f ${dsttmp}" 0 &&
+
+# and set any options; do chmod last to preserve setuid bits
+
+# If any of these fail, we abort the whole thing. If we want to
+# ignore errors from any of these, just make sure not to ignore
+# errors from the above "$doit $instcmd $src $dsttmp" command.
+
+ if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp"; else true;fi &&
+ if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp"; else true;fi &&
+ if [ x"$stripcmd" != x ]; then $doit $stripcmd $stripflags "$dsttmp"; else true;fi &&
+ if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; else true;fi &&
+
+# Now rename the file to the real destination.
+
+ if [ x"$suffix" != x ] && [ -f "$dstfinal" ]
+ then
+ $doit $mvcmd "$dstfinal" "$dstbackup"
+ else
+ $doit $rmcmd -f "$dstfinal"
+ fi &&
+ $doit $mvcmd "$dsttmp" "$dstfinal"
fi
- posix_mkdir=false
- case $umask in
- *[123567][0-7][0-7])
- # POSIX mkdir -p sets u+wx bits regardless of umask, which
- # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
- ;;
- *)
- tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
- trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
-
- if (umask $mkdir_umask &&
- exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
- then
- if test -z "$dir_arg" || {
- # Check for POSIX incompatibilities with -m.
- # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
- # other-writable bit of parent directory when it shouldn't.
- # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
- ls_ld_tmpdir=`ls -ld "$tmpdir"`
- case $ls_ld_tmpdir in
- d????-?r-*) different_mode=700;;
- d????-?--*) different_mode=755;;
- *) false;;
- esac &&
- $mkdirprog -m$different_mode -p -- "$tmpdir" && {
- ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
- test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
- }
- }
- then posix_mkdir=:
- fi
- rmdir "$tmpdir/d" "$tmpdir"
- else
- # Remove any dirs left behind by ancient mkdir implementations.
- rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
- fi
- trap '' 0;;
- esac;;
- esac
+done &&
- if
- $posix_mkdir && (
- umask $mkdir_umask &&
- $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
- )
- then :
- else
-
- # The umask is ridiculous, or mkdir does not conform to POSIX,
- # or it failed possibly due to a race condition. Create the
- # directory the slow way, step by step, checking for races as we go.
-
- case $dstdir in
- /*) prefix='/';;
- [-=\(\)!]*) prefix='./';;
- *) prefix='';;
- esac
-
- eval "$initialize_posix_glob"
-
- oIFS=$IFS
- IFS=/
- $posix_glob set -f
- set fnord $dstdir
- shift
- $posix_glob set +f
- IFS=$oIFS
-
- prefixes=
-
- for d
- do
- test X"$d" = X && continue
-
- prefix=$prefix$d
- if test -d "$prefix"; then
- prefixes=
- else
- if $posix_mkdir; then
- (umask=$mkdir_umask &&
- $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
- # Don't fail if two instances are running concurrently.
- test -d "$prefix" || exit 1
- else
- case $prefix in
- *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
- *) qprefix=$prefix;;
- esac
- prefixes="$prefixes '$qprefix'"
- fi
- fi
- prefix=$prefix/
- done
-
- if test -n "$prefixes"; then
- # Don't fail if two instances are running concurrently.
- (umask $mkdir_umask &&
- eval "\$doit_exec \$mkdirprog $prefixes") ||
- test -d "$dstdir" || exit 1
- obsolete_mkdir_used=true
- fi
- fi
- fi
-
- if test -n "$dir_arg"; then
- { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
- { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
- { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
- test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
- else
-
- # Make a couple of temp file names in the proper directory.
- dsttmp=$dstdir/_inst.$$_
- rmtmp=$dstdir/_rm.$$_
-
- # Trap to clean up those temp files at exit.
- trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
-
- # Copy the file name to the temp name.
- (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
-
- # and set any options; do chmod last to preserve setuid bits.
- #
- # If any of these fail, we abort the whole thing. If we want to
- # ignore errors from any of these, just make sure not to ignore
- # errors from the above "$doit $cpprog $src $dsttmp" command.
- #
- { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
- { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
- { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
- { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
-
- # If -C, don't bother to copy if it wouldn't change the file.
- if $copy_on_change &&
- old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` &&
- new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` &&
-
- eval "$initialize_posix_glob" &&
- $posix_glob set -f &&
- set X $old && old=:$2:$4:$5:$6 &&
- set X $new && new=:$2:$4:$5:$6 &&
- $posix_glob set +f &&
-
- test "$old" = "$new" &&
- $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
- then
- rm -f "$dsttmp"
- else
- # Rename the file to the real destination.
- $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
-
- # The rename failed, perhaps because mv can't rename something else
- # to itself, or perhaps because mv is so ancient that it does not
- # support -f.
- {
- # Now remove or move aside any old file at destination location.
- # We try this two ways since rm can't unlink itself on some
- # systems and the destination file might be busy for other
- # reasons. In this case, the final cleanup might fail but the new
- # file should still install successfully.
- {
- test ! -f "$dst" ||
- $doit $rmcmd -f "$dst" 2>/dev/null ||
- { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
- { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
- } ||
- { echo "$0: cannot unlink or rename $dst" >&2
- (exit 1); exit 1
- }
- } &&
-
- # Now rename the file to the real destination.
- $doit $mvcmd "$dsttmp" "$dst"
- }
- fi || exit 1
-
- trap '' 0
- fi
-done
-# Local variables:
-# eval: (add-hook 'write-file-hooks 'time-stamp)
-# time-stamp-start: "scriptversion="
-# time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-time-zone: "UTC"
-# time-stamp-end: "; # UTC"
-# End:
+exit 0