go_sysutils/fsutils/funcs_fsattrs_linux.go

//go:build linux

package fsutils

import (
	`os`
	`reflect`

	`r00t2.io/sysutils/paths`
)

func (f *FsAttrs) Apply(path string) (err error) {

	var file *os.File
	var reflectVal reflect.Value
	var fieldVal reflect.Value

	if f == nil {
		return
	}

	if err = paths.RealPath(&path); err != nil {
		return
	}
	if file, err = os.Open(path); err != nil {
		return
	}
	defer file.Close()

	reflectVal = reflect.ValueOf(*f)

	for attrNm, attrVal := range AttrNameValueMap {
		fieldVal = reflectVal.FieldByName(attrNm)
		if fieldVal.Bool() {
			if err = setAttrs(file, attrVal); err != nil {
				return
			}
		} else {
			if err = unsetAttrs(file, attrVal); err != nil {
				return
			}
		}
	}

	return
}