| version 1.1, 2018/09/19 05:45:05 |
version 1.2, 2020/01/08 17:10:53 |
|
|
| #!/bin/sh |
#!/bin/sh |
| # |
|
| # install - install a program, script, or datafile |
# install - install a program, script, or datafile |
| # This comes from X11R5 (mit/util/scripts/install.sh). |
|
| |
scriptversion=2013-12-25.23; # 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 1991 by the Massachusetts Institute of Technology |
# Copyright (C) 1994 X Consortium |
| # |
# |
| # Permission to use, copy, modify, distribute, and sell this software and its |
# Permission is hereby granted, free of charge, to any person obtaining a copy |
| # documentation for any purpose is hereby granted without fee, provided that |
# of this software and associated documentation files (the "Software"), to |
| # the above copyright notice appear in all copies and that both that |
# deal in the Software without restriction, including without limitation the |
| # copyright notice and this permission notice appear in supporting |
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| # documentation, and that the name of M.I.T. not be used in advertising or |
# sell copies of the Software, and to permit persons to whom the Software is |
| # publicity pertaining to distribution of the software without specific, |
# furnished to do so, subject to the following conditions: |
| # 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. |
|
| # |
# |
| |
# 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. |
| |
# |
| |
# |
| |
# FSF changes to this file are in the public domain. |
| |
# |
| # Calling this script install-sh is preferred over install.sh, to prevent |
# 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. |
# when there is no Makefile. |
| # |
# |
| # This script is compatible with the BSD install script, but was written |
# This script is compatible with the BSD install script, but was written |
| # from scratch. It can only install one file at a time, a restriction |
# from scratch. |
| # shared with many OS's install programs. |
|
| |
|
| |
tab=' ' |
| |
nl=' |
| |
' |
| |
IFS=" $tab$nl" |
| |
|
| # set DOITPROG to echo to test this script |
# Set DOITPROG to "echo" to test this script. |
| |
|
| # Don't use :- since 4.3BSD and earlier shells don't like it. |
doit=${DOITPROG-} |
| doit="${DOITPROG-}" |
doit_exec=${doit:-exec} |
| |
|
| |
# Put in absolute file names if you don't have them in your path; |
| |
# or use environment vars. |
| |
|
| # put in absolute paths if you don't have them in your path; or use env. vars. |
chgrpprog=${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} |
| |
|
| mvprog="${MVPROG-mv}" |
posix_mkdir= |
| cpprog="${CPPROG-cp}" |
|
| chmodprog="${CHMODPROG-chmod}" |
|
| chownprog="${CHOWNPROG-chown}" |
|
| chgrpprog="${CHGRPPROG-chgrp}" |
|
| stripprog="${STRIPPROG-strip}" |
|
| rmprog="${RMPROG-rm}" |
|
| mkdirprog="${MKDIRPROG-mkdir}" |
|
| |
|
| transformbasename="" |
# Desired mode of installed file. |
| transform_arg="" |
mode=0755 |
| instcmd="$mvprog" |
|
| chmodcmd="$chmodprog 0755" |
chgrpcmd= |
| chowncmd="" |
chmodcmd=$chmodprog |
| chgrpcmd="" |
chowncmd= |
| stripcmd="" |
mvcmd=$mvprog |
| rmcmd="$rmprog -f" |
rmcmd="$rmprog -f" |
| mvcmd="$mvprog" |
stripcmd= |
| src="" |
|
| dst="" |
|
| dir_arg="" |
|
| |
|
| while [ x"$1" != x ]; do |
src= |
| case $1 in |
dst= |
| -c) instcmd="$cpprog" |
dir_arg= |
| shift |
dst_arg= |
| continue;; |
|
| |
|
| -d) dir_arg=true |
copy_on_change=false |
| shift |
is_target_a_directory=possibly |
| continue;; |
|
| |
|
| -m) chmodcmd="$chmodprog $2" |
usage="\ |
| shift |
Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE |
| shift |
or: $0 [OPTION]... SRCFILES... DIRECTORY |
| continue;; |
or: $0 [OPTION]... -t DIRECTORY SRCFILES... |
| |
or: $0 [OPTION]... -d DIRECTORIES... |
| |
|
| -o) chowncmd="$chownprog $2" |
In the 1st form, copy SRCFILE to DSTFILE. |
| shift |
In the 2nd and 3rd, copy all SRCFILES to DIRECTORY. |
| shift |
In the 4th, create DIRECTORIES. |
| continue;; |
|
| |
|
| -g) chgrpcmd="$chgrpprog $2" |
Options: |
| shift |
--help display this help and exit. |
| shift |
--version display version info and exit. |
| continue;; |
|
| |
|
| -s) stripcmd="$stripprog" |
-c (ignored) |
| shift |
-C install only if different (preserve the last data modification time) |
| continue;; |
-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. |
| |
|
| -t=*) transformarg=`echo $1 | sed 's/-t=//'` |
Environment variables override the default commands: |
| shift |
CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG |
| continue;; |
RMPROG STRIPPROG |
| |
" |
| |
|
| -b=*) transformbasename=`echo $1 | sed 's/-b=//'` |
while test $# -ne 0; do |
| shift |
case $1 in |
| continue;; |
-c) ;; |
| |
|
| *) if [ x"$src" = x ] |
-C) copy_on_change=true;; |
| then |
|
| src=$1 |
-d) dir_arg=true;; |
| else |
|
| # this colon is to work around a 386BSD /bin/sh bug |
-g) chgrpcmd="$chgrpprog $2" |
| : |
shift;; |
| dst=$1 |
|
| fi |
--help) echo "$usage"; exit $?;; |
| shift |
|
| continue;; |
-m) mode=$2 |
| esac |
case $mode in |
| |
*' '* | *"$tab"* | *"$nl"* | *'*'* | *'?'* | *'['*) |
| |
echo "$0: invalid mode: $mode" >&2 |
| |
exit 1;; |
| |
esac |
| |
shift;; |
| |
|
| |
-o) chowncmd="$chownprog $2" |
| |
shift;; |
| |
|
| |
-s) stripcmd=$stripprog;; |
| |
|
| |
-t) |
| |
is_target_a_directory=always |
| |
dst_arg=$2 |
| |
# Protect names problematic for 'test' and other utilities. |
| |
case $dst_arg in |
| |
-* | [=\(\)!]) dst_arg=./$dst_arg;; |
| |
esac |
| |
shift;; |
| |
|
| |
-T) is_target_a_directory=never;; |
| |
|
| |
--version) echo "$0 $scriptversion"; exit $?;; |
| |
|
| |
--) shift |
| |
break;; |
| |
|
| |
-*) echo "$0: invalid option: $1" >&2 |
| |
exit 1;; |
| |
|
| |
*) break;; |
| |
esac |
| |
shift |
| done |
done |
| |
|
| if [ x"$src" = x ] |
# We allow the use of options -d and -T together, by making -d |
| then |
# take the precedence; this is for compatibility with GNU install. |
| echo "install: no input file specified" |
|
| exit 1 |
if test -n "$dir_arg"; then |
| else |
if test -n "$dst_arg"; then |
| true |
echo "$0: target directory not allowed when installing a directory." >&2 |
| |
exit 1 |
| |
fi |
| fi |
fi |
| |
|
| if [ x"$dir_arg" != x ]; then |
if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then |
| dst=$src |
# When -d is used, all remaining arguments are directories to create. |
| src="" |
# When -t is used, the destination is already specified. |
| |
# Otherwise, the last argument is the destination. Remove it from $@. |
| if [ -d $dst ]; then |
for arg |
| instcmd=: |
do |
| chmodcmd="" |
if test -n "$dst_arg"; then |
| else |
# $@ is not empty: it contains at least $arg. |
| instcmd=mkdir |
set fnord "$@" "$dst_arg" |
| fi |
shift # fnord |
| else |
fi |
| |
shift # arg |
| |
dst_arg=$arg |
| |
# Protect names problematic for 'test' and other utilities. |
| |
case $dst_arg in |
| |
-* | [=\(\)!]) dst_arg=./$dst_arg;; |
| |
esac |
| |
done |
| |
fi |
| |
|
| # Waiting for this to be detected by the "$instcmd $src $dsttmp" command |
if test $# -eq 0; then |
| # might cause directories to be created, which would be especially bad |
if test -z "$dir_arg"; then |
| # if $src (and thus $dsttmp) contains '*'. |
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 [ -f $src -o -d $src ] |
if test -z "$dir_arg"; then |
| then |
if test $# -gt 1 || test "$is_target_a_directory" = always; then |
| true |
if test ! -d "$dst_arg"; then |
| else |
echo "$0: $dst_arg: Is not a directory." >&2 |
| echo "install: $src does not exist" |
exit 1 |
| exit 1 |
fi |
| fi |
fi |
| |
fi |
| if [ x"$dst" = x ] |
|
| then |
|
| echo "install: no destination specified" |
|
| exit 1 |
|
| else |
|
| true |
|
| fi |
|
| |
|
| # If destination is a directory, append the input filename; if your system |
if test -z "$dir_arg"; then |
| # does not like double slashes in filenames, you may need to add some logic |
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 |
| |
|
| if [ -d $dst ] |
# Set umask so as not to create temps with too-generous modes. |
| then |
# However, 'strip' requires both read and write access to temps. |
| dst="$dst"/`basename $src` |
case $mode in |
| else |
# Optimize common cases. |
| true |
*644) cp_umask=133;; |
| fi |
*755) cp_umask=22;; |
| |
|
| |
*[0-7]) |
| |
if test -z "$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 |
fi |
| |
|
| ## this sed command emulates the dirname command |
for src |
| dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'` |
do |
| |
# Protect names problematic for 'test' and other utilities. |
| |
case $src in |
| |
-* | [=\(\)!]) src=./$src;; |
| |
esac |
| |
|
| # Make sure that the destination directory exists. |
if test -n "$dir_arg"; then |
| # this part is taken from Noah Friedman's mkinstalldirs script |
dst=$src |
| |
dstdir=$dst |
| |
test -d "$dstdir" |
| |
dstdir_status=$? |
| |
else |
| |
|
| # Skip lots of stat calls in the usual case. |
# Waiting for this to be detected by the "$cpprog $src $dsttmp" command |
| if [ ! -d "$dstdir" ]; then |
# might cause directories to be created, which would be especially bad |
| defaultIFS=' |
# if $src (and thus $dsttmp) contains '*'. |
| ' |
if test ! -f "$src" && test ! -d "$src"; then |
| IFS="${IFS-${defaultIFS}}" |
echo "$0: $src does not exist." >&2 |
| |
exit 1 |
| |
fi |
| |
|
| oIFS="${IFS}" |
if test -z "$dst_arg"; then |
| # Some sh's can't handle IFS=/ for some reason. |
echo "$0: no destination specified." >&2 |
| IFS='%' |
exit 1 |
| set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'` |
fi |
| IFS="${oIFS}" |
dst=$dst_arg |
| |
|
| pathcomp='' |
# If destination is a directory, append the input filename; won't work |
| |
# if double slashes aren't ignored. |
| |
if test -d "$dst"; then |
| |
if test "$is_target_a_directory" = never; then |
| |
echo "$0: $dst_arg: Is a directory" >&2 |
| |
exit 1 |
| |
fi |
| |
dstdir=$dst |
| |
dst=$dstdir/`basename "$src"` |
| |
dstdir_status=0 |
| |
else |
| |
dstdir=`dirname "$dst"` |
| |
test -d "$dstdir" |
| |
dstdir_status=$? |
| |
fi |
| |
fi |
| |
|
| while [ $# -ne 0 ] ; do |
obsolete_mkdir_used=false |
| pathcomp="${pathcomp}${1}" |
|
| shift |
|
| |
|
| if [ ! -d "${pathcomp}" ] ; |
if test $dstdir_status != 0; then |
| then |
case $posix_mkdir in |
| $mkdirprog "${pathcomp}" |
'') |
| else |
# Create intermediate dirs using mode 755 as modified by the umask. |
| true |
# This is like FreeBSD 'install' as of 1997-10-28. |
| fi |
umask=`umask` |
| |
case $stripcmd.$umask in |
| |
# Optimize common cases. |
| |
*[2367][2367]) mkdir_umask=$umask;; |
| |
.*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;; |
| |
|
| pathcomp="${pathcomp}/" |
*[0-7]) |
| done |
mkdir_umask=`expr $umask + 22 \ |
| fi |
- $umask % 100 % 40 + $umask % 20 \ |
| |
- $umask % 10 % 4 + $umask % 2 |
| |
`;; |
| |
*) mkdir_umask=$umask,go-w;; |
| |
esac |
| |
|
| if [ x"$dir_arg" != x ] |
# With -d, create the new directory with the user-specified mode. |
| then |
# Otherwise, rely on $mkdir_umask. |
| $doit $instcmd $dst && |
if test -n "$dir_arg"; then |
| |
mkdir_mode=-m$mode |
| |
else |
| |
mkdir_mode= |
| |
fi |
| |
|
| if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi && |
posix_mkdir=false |
| if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi && |
case $umask in |
| if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi && |
*[123567][0-7][0-7]) |
| if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi |
# POSIX mkdir -p sets u+wx bits regardless of umask, which |
| else |
# is incompatible with FreeBSD 'install' when (umask & 300) != 0. |
| |
;; |
| |
*) |
| |
tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$ |
| |
trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0 |
| |
|
| # If we're going to rename the final executable, determine the name now. |
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 ./$mkdir_mode ./-p ./-- 2>/dev/null |
| |
fi |
| |
trap '' 0;; |
| |
esac;; |
| |
esac |
| |
|
| if [ x"$transformarg" = x ] |
if |
| then |
$posix_mkdir && ( |
| dstfile=`basename $dst` |
umask $mkdir_umask && |
| else |
$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir" |
| dstfile=`basename $dst $transformbasename | |
) |
| sed $transformarg`$transformbasename |
then : |
| fi |
else |
| |
|
| # don't allow the sed command to completely eliminate the filename |
# 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. |
| |
|
| if [ x"$dstfile" = x ] |
case $dstdir in |
| then |
/*) prefix='/';; |
| dstfile=`basename $dst` |
[-=\(\)!]*) prefix='./';; |
| else |
*) prefix='';; |
| true |
esac |
| fi |
|
| |
|
| # Make a temp file name in the proper directory. |
oIFS=$IFS |
| |
IFS=/ |
| |
set -f |
| |
set fnord $dstdir |
| |
shift |
| |
set +f |
| |
IFS=$oIFS |
| |
|
| dsttmp=$dstdir/#inst.$$# |
prefixes= |
| |
|
| # Move or copy the file name to the temp name |
for d |
| |
do |
| |
test X"$d" = X && continue |
| |
|
| $doit $instcmd $src $dsttmp && |
prefix=$prefix$d |
| |
if test -d "$prefix"; then |
| |
prefixes= |
| |
else |
| |
if $posix_mkdir; then |
| |
(umask=$mkdir_umask && |
| |
$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break |
| |
# Don't fail if two instances are running concurrently. |
| |
test -d "$prefix" || exit 1 |
| |
else |
| |
case $prefix in |
| |
*\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;; |
| |
*) qprefix=$prefix;; |
| |
esac |
| |
prefixes="$prefixes '$qprefix'" |
| |
fi |
| |
fi |
| |
prefix=$prefix/ |
| |
done |
| |
|
| trap "rm -f ${dsttmp}" 0 && |
if test -n "$prefixes"; then |
| |
# Don't fail if two instances are running concurrently. |
| |
(umask $mkdir_umask && |
| |
eval "\$doit_exec \$mkdirprog $prefixes") || |
| |
test -d "$dstdir" || exit 1 |
| |
obsolete_mkdir_used=true |
| |
fi |
| |
fi |
| |
fi |
| |
|
| # and set any options; do chmod last to preserve setuid bits |
if test -n "$dir_arg"; then |
| |
{ test -z "$chowncmd" || $doit $chowncmd "$dst"; } && |
| |
{ test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } && |
| |
{ test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false || |
| |
test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1 |
| |
else |
| |
|
| # If any of these fail, we abort the whole thing. If we want to |
# Make a couple of temp file names in the proper directory. |
| # ignore errors from any of these, just make sure not to ignore |
dsttmp=$dstdir/_inst.$$_ |
| # errors from the above "$doit $instcmd $src $dsttmp" command. |
rmtmp=$dstdir/_rm.$$_ |
| |
|
| if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi && |
# Trap to clean up those temp files at exit. |
| if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi && |
trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 |
| if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi && |
|
| if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi && |
|
| |
|
| # Now rename the file to the real destination. |
# Copy the file name to the temp name. |
| |
(umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") && |
| |
|
| $doit $rmcmd -f $dstdir/$dstfile && |
# and set any options; do chmod last to preserve setuid bits. |
| $doit $mvcmd $dsttmp $dstdir/$dstfile |
# |
| |
# 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"; } && |
| |
|
| fi && |
# 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` && |
| |
set -f && |
| |
set X $old && old=:$2:$4:$5:$6 && |
| |
set X $new && new=:$2:$4:$5:$6 && |
| |
set +f && |
| |
test "$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 |
| |
} |
| |
} && |
| |
|
| exit 0 |
# 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: |