#!/bin/sh
# install - install a program, script, or datafile
-scriptversion=2006-10-14.15
+scriptversion=2006-12-25.00
# This originates from X11R5 (mit/util/scripts/install.sh), which was
# later released in X11R6 (xc/config/util/install.sh) with the
# 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-}
if test -z "$doit"; then
doit_exec=exec
else
# Put in absolute file names if you don't have them in your path;
# or use environment vars.
-mvprog="${MVPROG-mv}"
-cpprog="${CPPROG-cp}"
-chmodprog="${CHMODPROG-chmod}"
-chownprog="${CHOWNPROG-chown}"
-chgrpprog="${CHGRPPROG-chgrp}"
-stripprog="${STRIPPROG-strip}"
-rmprog="${RMPROG-rm}"
-mkdirprog="${MKDIRPROG-mkdir}"
+chgrpprog=${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 "$posix_glob" != "?" || {
+ if (set -f) 2>/dev/null; then
+ posix_glob=
+ else
+ posix_glob=:
+ fi
+ }
+'
-posix_glob=
posix_mkdir=
# Desired mode of installed file.
mode=0755
+chgrpcmd=
chmodcmd=$chmodprog
chowncmd=
-chgrpcmd=
-stripcmd=
+mvcmd=$mvprog
rmcmd="$rmprog -f"
-mvcmd="$mvprog"
+stripcmd=
+
src=
dst=
dir_arg=
-dstarg=
+dst_arg=
+
+copy_on_change=false
no_target_directory=
-usage="Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
+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 4th, create DIRECTORIES.
Options:
--c (ignored)
--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.
---help display this help and exit.
---version display version info and exit.
+ --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.
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 $1 in
- -c) shift
- continue;;
+ -c) ;;
+
+ -C) copy_on_change=true;;
- -d) dir_arg=true
- shift
- continue;;
+ -d) dir_arg=true;;
-g) chgrpcmd="$chgrpprog $2"
- shift
- shift
- continue;;
+ shift;;
--help) echo "$usage"; exit $?;;
-m) mode=$2
- shift
- shift
case $mode in
*' '* | *' '* | *'
'* | *'*'* | *'?'* | *'['*)
echo "$0: invalid mode: $mode" >&2
exit 1;;
esac
- continue;;
+ shift;;
-o) chowncmd="$chownprog $2"
- shift
- shift
- continue;;
+ shift;;
- -s) stripcmd=$stripprog
- shift
- continue;;
+ -s) stripcmd=$stripprog;;
- -t) dstarg=$2
- shift
- shift
- continue;;
+ -t) dst_arg=$2
+ shift;;
- -T) no_target_directory=true
- shift
- continue;;
+ -T) no_target_directory=true;;
--version) echo "$0 $scriptversion"; exit $?;;
*) break;;
esac
+ shift
done
-if test $# -ne 0 && test -z "$dir_arg$dstarg"; then
+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 $@.
for arg
do
- if test -n "$dstarg"; then
+ if test -n "$dst_arg"; then
# $@ is not empty: it contains at least $arg.
- set fnord "$@" "$dstarg"
+ set fnord "$@" "$dst_arg"
shift # fnord
fi
shift # arg
- dstarg=$arg
+ dst_arg=$arg
done
fi
do
# Protect names starting with `-'.
case $src in
- -*) src=./$src ;;
+ -*) src=./$src;;
esac
if test -n "$dir_arg"; then
exit 1
fi
- if test -z "$dstarg"; then
+ if test -z "$dst_arg"; then
echo "$0: no destination specified." >&2
exit 1
fi
- dst=$dstarg
+ dst=$dst_arg
# Protect names starting with `-'.
case $dst in
- -*) dst=./$dst ;;
+ -*) dst=./$dst;;
esac
# If destination is a directory, append the input filename; won't work
# if double slashes aren't ignored.
if test -d "$dst"; then
if test -n "$no_target_directory"; then
- echo "$0: $dstarg: Is a directory" >&2
+ echo "$0: $dst_arg: Is a directory" >&2
exit 1
fi
dstdir=$dst
# directory the slow way, step by step, checking for races as we go.
case $dstdir in
- /*) prefix=/ ;;
- -*) prefix=./ ;;
- *) 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=
# 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"; } &&
-
- # Now rename the file to the real destination.
- { $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null \
- || {
- # The rename failed, perhaps because mv can't rename something else
- # to itself, or perhaps because mv is so ancient that it does not
- # support -f.
-
- # Now remove or move aside any old file at destination location.
- # We try this two ways since rm can't unlink itself on some
- # systems and the destination file might be busy for other
- # reasons. In this case, the final cleanup might fail but the new
- # file should still install successfully.
- {
- if test -f "$dst"; then
- $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
- }
- else
- :
- fi
- } &&
-
- # Now rename the file to the real destination.
- $doit $mvcmd "$dsttmp" "$dst"
- }
- } || exit 1
+ { test -z "$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
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