#!/bin/sh
# install - install a program, script, or datafile
-scriptversion=2006-12-24.16
+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
# FSF changes to this file are in the public domain.
#
# 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
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=${STRIPPROG-strip}
-posix_glob=
+posix_glob='?'
+initialize_posix_glob='
+ test "$posix_glob" != "?" || {
+ if (set -f) 2>/dev/null; then
+ posix_glob=
+ else
+ posix_glob=:
+ fi
+ }
+'
+
posix_mkdir=
# Desired mode of installed file.
dir_arg=
dst_arg=
+copy_on_change=false
no_target_directory=
usage="\
--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.
-T report an error if DSTFILE is a directory.
Environment variables override the default commands:
- CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG
+ CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
+ RMPROG STRIPPROG
"
while test $# -ne 0; do
case $1 in
-c) ;;
+ -C) copy_on_change=true;;
+
-d) dir_arg=true;;
-g) chgrpcmd="$chgrpprog $2"
-s) stripcmd=$stripprog;;
-t) dst_arg=$2
+ # Protect names problematic for 'test' and other utilities.
+ case $dst_arg in
+ -* | [=\(\)!]) dst_arg=./$dst_arg;;
+ esac
shift;;
-T) no_target_directory=true;;
fi
shift # arg
dst_arg=$arg
+ # Protect names problematic for 'test' and other utilities.
+ case $dst_arg in
+ -* | [=\(\)!]) dst_arg=./$dst_arg;;
+ esac
done
fi
echo "$0: no input file specified." >&2
exit 1
fi
- # It's OK to call `install-sh -d' without argument.
+ # It's OK to call 'install-sh -d' without argument.
# This can happen when creating conditional directories.
exit 0
fi
if test -z "$dir_arg"; then
- trap '(exit $?); exit' 1 2 13 15
+ 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.
for src
do
- # Protect names starting with `-'.
+ # Protect names problematic for 'test' and other utilities.
case $src in
- -*) src=./$src;;
+ -* | [=\(\)!]) src=./$src;;
esac
if test -n "$dir_arg"; then
echo "$0: no destination specified." >&2
exit 1
fi
-
dst=$dst_arg
- # Protect names starting with `-'.
- case $dst in
- -*) dst=./$dst;;
- esac
# If destination is a directory, append the input filename; won't work
# if double slashes aren't ignored.
if test -z "$dir_arg" || {
# Check for POSIX incompatibilities with -m.
# HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
- # other-writeable bit of parent directory when it shouldn't.
+ # other-writable bit of parent directory when it shouldn't.
# FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
ls_ld_tmpdir=`ls -ld "$tmpdir"`
case $ls_ld_tmpdir in
case $dstdir in
/*) prefix='/';;
- -*) prefix='./';;
+ [-=\(\)!]*) prefix='./';;
*) prefix='';;
esac
- case $posix_glob in
- '')
- if (set -f) 2>/dev/null; then
- posix_glob=true
- else
- posix_glob=false
- fi;;
- esac
+ eval "$initialize_posix_glob"
oIFS=$IFS
IFS=/
- $posix_glob && set -f
+ $posix_glob set -f
set fnord $dstdir
shift
- $posix_glob && set +f
+ $posix_glob set +f
IFS=$oIFS
prefixes=
for d
do
- test -z "$d" && continue
+ test X"$d" = X && continue
prefix=$prefix$d
if test -d "$prefix"; then
{ test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
{ test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
- # Now 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"
- }
- } || exit 1
+ # 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" "$dst"
+ }
+ fi || exit 1
trap '' 0
fi
# eval: (add-hook 'write-file-hooks 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-end: "$"
+# time-stamp-time-zone: "UTC"
+# time-stamp-end: "; # UTC"
# End:
projects / gnulib.git / blobdiff