common

Documentation

Index

• Constants
• func CheckDirPermission(dir string, perm os.FileMode) error
• func Exist(name string) bool
• func GetEnvironment(key string, alternativeKeys ...string) string
• func GetOrDefault(key, def string, data map[string]string) (result string)
• func GetReplacement(key string, data map[string]string) (result string)
• func IsDirWriteable(dir string) error
• func ParseVersionNum(release string) string
• func PathExists(path string) (bool, error)

Constants

const (
	// PrivateFileMode grants owner to read/write a file.
	PrivateFileMode = 0600
	// PrivateDirMode grants owner to make/remove files inside the directory.
	PrivateDirMode = 0700
)

Functions

func CheckDirPermission

func CheckDirPermission(dir string, perm os.FileMode) error

CheckDirPermission checks permission on an existing dir. Returns error if dir is empty or exist with a different permission than specified.

func Exist

func Exist(name string) bool

Exist returns true if a file or directory exists.

func GetEnvironment

func GetEnvironment(key string, alternativeKeys ...string) string

GetEnvironment retrieves the value of the environment variable named by the key. If the environment dosen't exist, we will lookup for alternative environment variables unti we find an environment. Return empty environment value while no environment variables found.

func GetOrDefault

func GetOrDefault(key, def string, data map[string]string) (result string)

GetOrDefault returns the value or a default value from a map

func GetReplacement

func GetReplacement(key string, data map[string]string) (result string)

GetReplacement returns a string which replace via a map

func IsDirWriteable

func IsDirWriteable(dir string) error

IsDirWriteable checks if dir is writable by writing and removing a file to dir. It returns nil if dir is writable.

func ParseVersionNum

func ParseVersionNum(release string) string

ParseVersionNum split version from release or tag

func PathExists

func PathExists(path string) (bool, error)

PathExists checks if the target path exist or not