script_gen

操作系统SunOS 4.1.3版本的源码

#
#       @(#)script_gen	1.7 8/28/91 SMI
#
##################################################
script_it(){
    symb=$1
    file=$2
    old_suffix=$3
# REPLACE="&"  # 4.1.1/4.1.2 file replaced by 4.1.3 file.
# SAVE_OLD="+" # 4.1.3 file replaces 4.1.1/4.1.2 file; 4.1.1/4.1.2 file saved with .411/.412 tag.
# MAKE_NEW="-" # 4.1.1/4.1.2 file is retained; 4.1.3 file added with .413 tag.

    if [ x_$old_suffix = "x_" ]; then
	old_suffix=$OLD_SUFFIX
    fi
    $DUMMY && $ECHO $file >> $COALESCE_LIST

    save_old $file >> $before_file
    restore_old $file >> $sos_file
    restore_perm_access $file >> $rest_own_acc

    if [ $symb = $MAKE_NEW ]; then
	store_new $file >> $after_file
	restore_old $file >> $after_file
	comp_files $file $NEW_SUFFIX >> $after_file
    fi
    if [ $symb = $SAVE_OLD ]; then
	comp_files $file $old_suffix >> $after_file
    fi
}
##################################################
script_it2(){
    symb=$1
    file=$2
    old_suffix=$3
    to_file=$4
# REPLACE="&"  # 4.1.1/4.1.2 file replaced by 4.1.3 file.
# SAVE_OLD="+" # 4.1.3 file replaces 4.1.1/4.1.2 file; 4.1.1/4.1.2 file saved with .411/.412 tag.
# MAKE_NEW="-" # 4.1.1/4.1.2 file is retained; 4.1.3 file added with .413 tag.

    if [ x_$old_suffix = "x_" ]; then
	old_suffix=$OLD_SUFFIX
    fi
    $DUMMY && $ECHO $file >> $COALESCE_LIST

    if [ -f $to_file ]; then
    $ECHO $MV " -f " $file " " $to_file$old_suffix >> $before_file
    fi

    if [ $symb = $SAVE_OLD ]; then
	comp_files $file $old_suffix >> $after_file
    fi
}
save_old(){
     if [ -f $1 ]; then
     $ECHO $MV  " -f " $1 " " $1$old_suffix
     fi
}
restore_old(){
    $ECHO $MV  " -f " $1$old_suffix " " $1
}
store_new(){
    $ECHO $MV  " -f " $1 " " $1$NEW_SUFFIX
}
remove_old(){
    $ECHO $RM  " -rf " $1$old_suffix
}
comp_files(){
    $ECHO eq='`'are_equal $1 $1$2'`'
    $ECHO if ' $eq ; then'
    $ECHO     rm  -f $1$2
    $ECHO else
    $ECHO     $ECHO $1 '>>' $COALESCE_LIST
    $ECHO fi
}
##################################################
restore_perm_access(){
    file_org=$1
#Check if exists
    if [ -f $file_org ]; then
	$LS -lg $file_org | \
$NAWK '{
    perm="u="substr($1, 2, 3) ",g=" substr($1, 5, 3) ",o="substr($1, 8, 3)
    gsub(/-/,"",perm)
    print "'$CHMOD'  " perm " '$file_org' ;"
    print "'$CHOWN' " $3"."$4 " '$file_org' ;"
    }'
    else
# Warning issue
	$ECHO $ECHO $file_org "not found ;" $ECHO "Restore permission and owner.group manually."
    fi
}
##################################################
make_delete(){
    del_list=$1
    if [ $os_path0 = "/" ]; then
	$NAWK '{ print "'$RM' -rf '$export_point'"substr( $1 , 2 ) }' \
			$del_list 
    else
	$NAWK '{ print "'$RM' -rf '$os_path'" substr( $1 , 2 ) }' \
			$del_list
    fi
}
##################################################
fix_the_list(){
    inc_file=$1
# incl file with os_path -> to $INC
    if [ $os_path0 = "/" ]; then
	$NAWK '{ print substr( $1 , 2 ) }' \
			$inc_file | $SORT > $INC
    else
	$NAWK '{ print "'$os_path0'" substr( $1 , 2 ) }' \
			$inc_file | $SORT > $INC
    fi

    s_comm=`$COMM -12 $INC $VOL_NAMES`
    if [ "x_$s_comm" != "x_" ]; then
	for xxx in `$CAT $VOL0`; do
	    if [ $xxx = $SAVE_OLD -o\
		 $xxx = $MAKE_NEW -o\
		 $xxx = $REPLACE ]; then
		symb=$xxx
	    else
		vol_file=$xxx
		for file in $s_comm; do
	    	    if [ $file = $vol_file ]; then
   			if [ $os_path0 != "/"  -a x_$export_point != x_ ]; then
			    n=`$EXPR $os_path0 : '.*'`
			    nn=`$EXPR $n + 1`
			    file=`$EXPR substr $file $nn 128`
			fi
			script_it $symb "$export_point$file" $2 $3
		    fi
		done
	    fi
	done
    fi
}
##################################################
fix_the_list2(){
    inc_file=$1
# incl file with os_path -> to $INC
    if [ $os_path0 = "/" ]; then
	$NAWK '{ print substr( $1 , 2 ) }' \
			$inc_file | $SORT > $INC
    else
	$NAWK '{ print "'$os_path0'" substr( $1 , 2 ) }' \
			$inc_file | $SORT > $INC
    fi
    s_comm=`$COMM -12 $INC $VOL_NAMES`
    if [ "x_$s_comm" != "x_" ]; then
	for xxx in `$CAT $VOL0`; do
	    if [ $xxx = $SAVE_OLD -o\
		 $xxx = $MAKE_NEW -o\
		 $xxx = $REPLACE ]; then
		symb=$xxx
	    else
		vol_file=$xxx
		for file in $s_comm; do
	    	    if [ $file = $vol_file ]; then
   			if [ $os_path0 != "/"  -a x_$export_point != x_ ]; then
			    n=`$EXPR $os_path0 : '.*'`
			    nn=`$EXPR $n + 1`
			    file=`$EXPR substr $file $nn 128`
			fi
			script_it2 $symb "$export_point$file" $2 "$3$file"
		    fi
		done
	    fi
	done
    fi
}
##################################################
make_tar(){
    here=`$PWD`
    $ECHO $CD $2
    if [ x_$3 = "x_" ]; then
        $ECHO $TAR $TAR_OPTIONS $1
    else
        $ECHO $TAR $TAR_OPTIONS $1 -I $3
    fi

    if $DUMMY ; then
	return
    fi
    $ECHO tar_rc='$?'
    $ECHO $LDCONFIG
    $ECHO $CD $here
}
##################################################