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Annotation of GNUtools/libg++/install.sh, revision 1.1

1.1     ! root        1: #!/bin/sh
        !             2: #
        !             3: # install - install a program, script, or datafile
        !             4: # This comes from X11R5; it is not part of GNU.
        !             5: #
        !             6: # $XConsortium: install.sh,v 1.2 89/12/18 14:47:22 jim Exp $
        !             7: #
        !             8: # This script is compatible with the BSD install script, but was written
        !             9: # from scratch.
        !            10: #
        !            11: 
        !            12: 
        !            13: # set DOITPROG to echo to test this script
        !            14: 
        !            15: # Don't use :- since 4.3BSD and earlier shells don't like it.
        !            16: doit="${DOITPROG-}"
        !            17: 
        !            18: 
        !            19: # put in absolute paths if you don't have them in your path; or use env. vars.
        !            20: 
        !            21: mvprog="${MVPROG-mv}"
        !            22: cpprog="${CPPROG-cp}"
        !            23: chmodprog="${CHMODPROG-chmod}"
        !            24: chownprog="${CHOWNPROG-chown}"
        !            25: chgrpprog="${CHGRPPROG-chgrp}"
        !            26: stripprog="${STRIPPROG-strip}"
        !            27: rmprog="${RMPROG-rm}"
        !            28: mkdirprog="${MKDIRPROG-mkdir}"
        !            29: 
        !            30: tranformbasename=""
        !            31: transform_arg=""
        !            32: instcmd="$mvprog"
        !            33: chmodcmd="$chmodprog 0755"
        !            34: chowncmd=""
        !            35: chgrpcmd=""
        !            36: stripcmd=""
        !            37: rmcmd="$rmprog -f"
        !            38: mvcmd="$mvprog"
        !            39: src=""
        !            40: dst=""
        !            41: dir_arg=""
        !            42: 
        !            43: while [ x"$1" != x ]; do
        !            44:     case $1 in
        !            45:        -c) instcmd="$cpprog"
        !            46:            shift
        !            47:            continue;;
        !            48: 
        !            49:        -d) dir_arg=true
        !            50:            shift
        !            51:            continue;;
        !            52: 
        !            53:        -m) chmodcmd="$chmodprog $2"
        !            54:            shift
        !            55:            shift
        !            56:            continue;;
        !            57: 
        !            58:        -o) chowncmd="$chownprog $2"
        !            59:            shift
        !            60:            shift
        !            61:            continue;;
        !            62: 
        !            63:        -g) chgrpcmd="$chgrpprog $2"
        !            64:            shift
        !            65:            shift
        !            66:            continue;;
        !            67: 
        !            68:        -s) stripcmd="$stripprog"
        !            69:            shift
        !            70:            continue;;
        !            71: 
        !            72:        -t=*) transformarg=`echo $1 | sed 's/-t=//'`
        !            73:            shift
        !            74:            continue;;
        !            75: 
        !            76:        -b=*) transformbasename=`echo $1 | sed 's/-b=//'`
        !            77:            shift
        !            78:            continue;;
        !            79: 
        !            80:        *)  if [ x"$src" = x ]
        !            81:            then
        !            82:                src=$1
        !            83:            else
        !            84:                # this colon is to work around a 386BSD /bin/sh bug
        !            85:                :
        !            86:                dst=$1
        !            87:            fi
        !            88:            shift
        !            89:            continue;;
        !            90:     esac
        !            91: done
        !            92: 
        !            93: if [ x"$src" = x ]
        !            94: then
        !            95:        echo "install:  no input file specified"
        !            96:        exit 1
        !            97: else
        !            98:        true
        !            99: fi
        !           100: 
        !           101: if [ x"$dir_arg" != x ]; then
        !           102:        dst=$src
        !           103:        src=""
        !           104:        
        !           105:        if [ -d $dst ]; then
        !           106:                instcmd=:
        !           107:        else
        !           108:                instcmd=mkdir
        !           109:        fi
        !           110: else
        !           111: 
        !           112: # Waiting for this to be detected by the "$instcmd $src $dsttmp" command
        !           113: # might cause directories to be created, which would be especially bad 
        !           114: # if $src (and thus $dsttmp) contains '*'.
        !           115: 
        !           116:        if [ -f $src -o -d $src ]
        !           117:        then
        !           118:                true
        !           119:        else
        !           120:                echo "install:  $src does not exist"
        !           121:                exit 1
        !           122:        fi
        !           123:        
        !           124:        if [ x"$dst" = x ]
        !           125:        then
        !           126:                echo "install:  no destination specified"
        !           127:                exit 1
        !           128:        else
        !           129:                true
        !           130:        fi
        !           131: 
        !           132: # If destination is a directory, append the input filename; if your system
        !           133: # does not like double slashes in filenames, you may need to add some logic
        !           134: 
        !           135:        if [ -d $dst ]
        !           136:        then
        !           137:                dst="$dst"/`basename $src`
        !           138:        else
        !           139:                true
        !           140:        fi
        !           141: fi
        !           142: 
        !           143: ## this sed command emulates the dirname command
        !           144: dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
        !           145: 
        !           146: # Make sure that the destination directory exists.
        !           147: #  this part is taken from Noah Friedman's mkinstalldirs script
        !           148: 
        !           149: defaultIFS='   
        !           150: '
        !           151: IFS="${IFS-${defaultIFS}}"
        !           152: 
        !           153: oIFS="${IFS}"
        !           154: # Some sh's can't handle IFS=/ for some reason.
        !           155: IFS='%'
        !           156: set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
        !           157: IFS="${oIFS}"
        !           158: 
        !           159: pathcomp=''
        !           160: 
        !           161: while [ $# -ne 0 ] ; do
        !           162:        pathcomp="${pathcomp}${1}"
        !           163:        shift
        !           164: 
        !           165:        if [ ! -d "${pathcomp}" ] ;
        !           166:         then
        !           167:                $mkdirprog "${pathcomp}"
        !           168:        else
        !           169:                true
        !           170:        fi
        !           171: 
        !           172:        pathcomp="${pathcomp}/"
        !           173: done
        !           174: 
        !           175: if [ x"$dir_arg" != x ]
        !           176: then
        !           177:        $doit $instcmd $dst &&
        !           178: 
        !           179:        if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi &&
        !           180:        if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi &&
        !           181:        if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi &&
        !           182:        if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi
        !           183: else
        !           184: 
        !           185: # If we're going to rename the final executable, determine the name now.
        !           186: 
        !           187:        if [ x"$transformarg" = x ] 
        !           188:        then
        !           189:                dstfile=`basename $dst`
        !           190:        else
        !           191:                dstfile=`basename $dst $transformbasename | 
        !           192:                        sed $transformarg`$transformbasename
        !           193:        fi
        !           194: 
        !           195: # don't allow the sed command to completely eliminate the filename
        !           196: 
        !           197:        if [ x"$dstfile" = x ] 
        !           198:        then
        !           199:                dstfile=`basename $dst`
        !           200:        else
        !           201:                true
        !           202:        fi
        !           203: 
        !           204: # Make a temp file name in the proper directory.
        !           205: 
        !           206:        dsttmp=$dstdir/#inst.$$#
        !           207: 
        !           208: # Move or copy the file name to the temp name
        !           209: 
        !           210:        $doit $instcmd $src $dsttmp &&
        !           211: 
        !           212:        trap "rm -f ${dsttmp}" 0 &&
        !           213: 
        !           214: # and set any options; do chmod last to preserve setuid bits
        !           215: 
        !           216: # If any of these fail, we abort the whole thing.  If we want to
        !           217: # ignore errors from any of these, just make sure not to ignore
        !           218: # errors from the above "$doit $instcmd $src $dsttmp" command.
        !           219: 
        !           220:        if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi &&
        !           221:        if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi &&
        !           222:        if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi &&
        !           223:        if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi &&
        !           224: 
        !           225: # Now rename the file to the real destination.
        !           226: 
        !           227:        $doit $rmcmd -f $dstdir/$dstfile &&
        !           228:        $doit $mvcmd $dsttmp $dstdir/$dstfile 
        !           229: 
        !           230: fi &&
        !           231: 
        !           232: 
        !           233: exit 0

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