Annotation of GNUtools/libg++/install.sh, revision 1.1.1.1

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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