install-sh
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上传日期:2009-03-27
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文件大小:7k
- #!/bin/sh
- #
- # install - install a program, script, or datafile
- #
- # 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="${MKDIRPROG-mkdir}"
- transformbasename=""
- transform_arg=""
- instcmd="$mvprog"
- chmodcmd="$chmodprog 0755"
- chowncmd=""
- chgrpcmd=""
- stripcmd=""
- rmcmd="$rmprog -f"
- mvcmd="$mvprog"
- src=""
- dst=""
- dir_arg=""
- while [ x"$1" != x ]; do
- case $1 in
- -c) instcmd=$cpprog
- shift
- continue;;
- -d) dir_arg=true
- shift
- continue;;
- -m) chmodcmd="$chmodprog $2"
- shift
- shift
- continue;;
- -o) chowncmd="$chownprog $2"
- shift
- shift
- continue;;
- -g) chgrpcmd="$chgrpprog $2"
- shift
- shift
- continue;;
- -s) stripcmd=$stripprog
- shift
- continue;;
- -t=*) transformarg=`echo $1 | sed 's/-t=//'`
- shift
- continue;;
- -b=*) transformbasename=`echo $1 | sed 's/-b=//'`
- shift
- continue;;
- *) if [ x"$src" = x ]
- then
- src=$1
- else
- # this colon is to work around a 386BSD /bin/sh bug
- :
- dst=$1
- fi
- shift
- continue;;
- esac
- done
- if [ x"$src" = x ]
- then
- echo "$0: no input file specified" >&2
- exit 1
- else
- :
- fi
- if [ x"$dir_arg" != x ]; then
- dst=$src
- src=""
- if [ -d "$dst" ]; then
- instcmd=:
- chmodcmd=""
- else
- instcmd=$mkdirprog
- fi
- else
- # Waiting for this to be detected by the "$instcmd $src $dsttmp" command
- # might cause directories to be created, which would be especially bad
- # if $src (and thus $dsttmp) contains '*'.
- if [ -f "$src" ] || [ -d "$src" ]
- then
- :
- else
- echo "$0: $src does not exist" >&2
- exit 1
- fi
- if [ x"$dst" = x ]
- then
- echo "$0: no destination specified" >&2
- exit 1
- else
- :
- fi
- # If destination is a directory, append the input filename; if your system
- # does not like double slashes in filenames, you may need to add some logic
- if [ -d "$dst" ]
- then
- dst=$dst/`basename "$src"`
- else
- :
- fi
- fi
- ## this sed command emulates the dirname command
- dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
- # Make sure that the destination directory exists.
- # this part is taken from Noah Friedman's mkinstalldirs script
- # Skip lots of stat calls in the usual case.
- if [ ! -d "$dstdir" ]; then
- defaultIFS='
- '
- IFS="${IFS-$defaultIFS}"
- oIFS=$IFS
- # Some sh's can't handle IFS=/ for some reason.
- IFS='%'
- set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
- IFS=$oIFS
- pathcomp=''
- while [ $# -ne 0 ] ; do
- pathcomp=$pathcomp$1
- shift
- if [ ! -d "$pathcomp" ] ;
- then
- $mkdirprog "$pathcomp"
- else
- :
- fi
- pathcomp=$pathcomp/
- done
- fi
- if [ x"$dir_arg" != x ]
- then
- $doit $instcmd "$dst" &&
- if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dst"; else : ; fi &&
- if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dst"; else : ; fi &&
- if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dst"; else : ; fi &&
- if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dst"; else : ; fi
- else
- # If we're going to rename the final executable, determine the name now.
- if [ x"$transformarg" = x ]
- then
- dstfile=`basename "$dst"`
- else
- dstfile=`basename "$dst" $transformbasename |
- sed $transformarg`$transformbasename
- fi
- # don't allow the sed command to completely eliminate the filename
- if [ x"$dstfile" = x ]
- then
- dstfile=`basename "$dst"`
- else
- :
- fi
- # Make a couple of temp file names in the proper directory.
- dsttmp=$dstdir/_inst.$$_
- rmtmp=$dstdir/_rm.$$_
- # Trap to clean up temp files at exit.
- trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0
- trap '(exit $?); exit' 1 2 13 15
- # Move or copy the file name to the temp name
- $doit $instcmd "$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 $instcmd $src $dsttmp" command.
- if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp"; else :;fi &&
- if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp"; else :;fi &&
- if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dsttmp"; else :;fi &&
- if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; else :;fi &&
- # 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 [ -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
- }
- else
- :
- fi
- } &&
- # Now rename the file to the real destination.
- $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
- fi &&
- # The final little trick to "correctly" pass the exit status to the exit trap.
- {
- (exit 0); exit
- }