install-sh
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上传日期:2014-08-27
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源码类别:
驱动编程
开发平台:
Unix_Linux
- #!/bin/sh
- # install - install a program, script, or datafile
- scriptversion=2005-05-14.22
- # 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:
- #
- # 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
- # `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. It can only install one file at a time, a restriction
- # shared with many OS's install programs.
- # set DOITPROG to echo to test this script
- # Don't use :- since 4.3BSD and earlier shells don't like it.
- doit="${DOITPROG-}"
- # put in absolute paths if you don't have them in your path; or use env. vars.
- mvprog="${MVPROG-mv}"
- cpprog="${CPPROG-cp}"
- chmodprog="${CHMODPROG-chmod}"
- chownprog="${CHOWNPROG-chown}"
- chgrpprog="${CHGRPPROG-chgrp}"
- stripprog="${STRIPPROG-strip}"
- rmprog="${RMPROG-rm}"
- mkdirprog="${MKDIRPROG-mkdir}"
- chmodcmd="$chmodprog 0755"
- chowncmd=
- chgrpcmd=
- stripcmd=
- rmcmd="$rmprog -f"
- mvcmd="$mvprog"
- src=
- dst=
- dir_arg=
- dstarg=
- 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:
- -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.
- Environment variables override the default commands:
- CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG
- "
- while test -n "$1"; do
- case $1 in
- -c) shift
- continue;;
- -d) dir_arg=true
- shift
- continue;;
- -g) chgrpcmd="$chgrpprog $2"
- shift
- shift
- continue;;
- --help) echo "$usage"; exit $?;;
- -m) chmodcmd="$chmodprog $2"
- shift
- shift
- continue;;
- -o) chowncmd="$chownprog $2"
- shift
- shift
- continue;;
- -s) stripcmd=$stripprog
- shift
- continue;;
- -t) dstarg=$2
- shift
- shift
- continue;;
- -T) no_target_directory=true
- shift
- continue;;
- --version) echo "$0 $scriptversion"; exit $?;;
- *) # When -d is used, all remaining arguments are directories to create.
- # When -t is used, the destination is already specified.
- test -n "$dir_arg$dstarg" && break
- # Otherwise, the last argument is the destination. Remove it from $@.
- for arg
- do
- if test -n "$dstarg"; then
- # $@ is not empty: it contains at least $arg.
- set fnord "$@" "$dstarg"
- shift # fnord
- fi
- shift # arg
- dstarg=$arg
- done
- break;;
- esac
- done
- if test -z "$1"; then
- if test -z "$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
- for src
- do
- # Protect names starting with `-'.
- case $src in
- -*) src=./$src ;;
- esac
- if test -n "$dir_arg"; then
- dst=$src
- src=
- if test -d "$dst"; then
- mkdircmd=:
- chmodcmd=
- else
- mkdircmd=$mkdirprog
- fi
- 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: $src does not exist." >&2
- exit 1
- fi
- if test -z "$dstarg"; then
- echo "$0: no destination specified." >&2
- exit 1
- fi
- dst=$dstarg
- # 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 -d "$dst"; then
- if test -n "$no_target_directory"; then
- echo "$0: $dstarg: Is a directory" >&2
- exit 1
- fi
- dst=$dst/`basename "$src"`
- fi
- fi
- # This sed command emulates the dirname command.
- dstdir=`echo "$dst" | sed -e 's,/*$,,;s,[^/]*$,,;s,/*$,,;s,^$,.,'`
- # Make sure that the destination directory exists.
- # Skip lots of stat calls in the usual case.
- if test ! -d "$dstdir"; then
- defaultIFS='
- '
- IFS="${IFS-$defaultIFS}"
- oIFS=$IFS
- # Some sh's can't handle IFS=/ for some reason.
- IFS='%'
- set x `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
- shift
- IFS=$oIFS
- pathcomp=
- while test $# -ne 0 ; do
- pathcomp=$pathcomp$1
- shift
- if test ! -d "$pathcomp"; then
- $mkdirprog "$pathcomp"
- # mkdir can fail with a `File exist' error in case several
- # install-sh are creating the directory concurrently. This
- # is OK.
- test -d "$pathcomp" || exit
- fi
- pathcomp=$pathcomp/
- done
- fi
- if test -n "$dir_arg"; then
- $doit $mkdircmd "$dst"
- && { test -z "$chowncmd" || $doit $chowncmd "$dst"; }
- && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; }
- && { test -z "$stripcmd" || $doit $stripcmd "$dst"; }
- && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; }
- else
- dstfile=`basename "$dst"`
- # Make a couple of temp file names in the proper directory.
- dsttmp=$dstdir/_inst.$$_
- rmtmp=$dstdir/_rm.$$_
- # Trap to clean up those temp files at exit.
- trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
- trap '(exit $?); exit' 1 2 13 15
- # Copy the file name to the temp name.
- $doit $cpprog "$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 $chmodcmd "$dsttmp"; } &&
- # Now rename the file to the real destination.
- { $doit $mvcmd -f "$dsttmp" "$dstdir/$dstfile" 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 "$dstdir/$dstfile"; then
- $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null
- || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null
- || {
- echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
- (exit 1); exit 1
- }
- else
- :
- fi
- } &&
- # Now rename the file to the real destination.
- $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
- }
- }
- fi || { (exit 1); exit 1; }
- done
- # The final little trick to "correctly" pass the exit status to the exit trap.
- {
- (exit 0); exit 0
- }
- # Local variables:
- # eval: (add-hook 'write-file-hooks 'time-stamp)
- # time-stamp-start: "scriptversion="
- # time-stamp-format: "%:y-%02m-%02d.%02H"
- # time-stamp-end: "$"
- # End: