install-sh
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上传日期:2007-02-02
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文件大小:6k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- #!/bin/sh
- #
- # install - install a program, script, or datafile
- # This comes from X11R5 (mit/util/scripts/install.sh).
- #
- # Copyright 1991 by the Massachusetts Institute of Technology
- #
- # Permission to use, copy, modify, distribute, and sell this software and its
- # documentation for any purpose is hereby granted without fee, provided that
- # the above copyright notice appear in all copies and that both that
- # copyright notice and this permission notice appear in supporting
- # documentation, and that the name of M.I.T. not be used in advertising or
- # publicity pertaining to distribution of the software without specific,
- # 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.
- #
- # 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 "install: no input file specified"
- exit 1
- else
- true
- fi
- if [ x"$dir_arg" != x ]; then
- dst=$src
- src=""
- if [ -d $dst ]; then
- instcmd=:
- else
- instcmd=mkdir
- fi
- else
- # Waiting for this to be detected by the "$instcmd $src $dsttmp" command
- # might cause directories to be created, which would be especially bad
- # if $src (and thus $dsttmp) contains '*'.
- if [ -f $src -o -d $src ]
- then
- true
- else
- echo "install: $src does not exist"
- exit 1
- fi
- if [ x"$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
- # does not like double slashes in filenames, you may need to add some logic
- if [ -d $dst ]
- then
- dst="$dst"/`basename $src`
- else
- true
- 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
- true
- fi
- pathcomp="${pathcomp}/"
- done
- fi
- if [ x"$dir_arg" != x ]
- then
- $doit $instcmd $dst &&
- if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi &&
- if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi &&
- if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi &&
- if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi
- else
- # If we're going to rename the final executable, determine the name now.
- if [ x"$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 $dst`
- else
- true
- fi
- # Make a temp file name in the proper directory.
- dsttmp=$dstdir/#inst.$$#
- # Move or copy the file name to the temp name
- $doit $instcmd $src $dsttmp &&
- trap "rm -f ${dsttmp}" 0 &&
- # and set any options; do chmod last to preserve setuid bits
- # If any of these fail, we abort the whole thing. If we want to
- # ignore errors from any of these, just make sure not to ignore
- # errors from the above "$doit $instcmd $src $dsttmp" command.
- if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi &&
- if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi &&
- if [ x"$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.
- $doit $rmcmd -f $dstdir/$dstfile &&
- $doit $mvcmd $dsttmp $dstdir/$dstfile
- fi &&
- exit 0