CheckLocalDns looks into the /etc/resolv.conf, it returns true if there is a local nameserver or if there is no nameserver.

Compare two KernelVersionInfo struct.

FIXME: this is deprecated by CopyWithTar in archive.go.

Code c/c from io.Copy() modified to handle escape sequence.

Debug function, if the debug flag is set, then display.

Figure out the path of our dockerinit (which may be SelfPath()).

Request a given URL and return an io.Reader.

FollowSymlink will follow an existing link and scope it to the root path provided.

GetCallerName introspects the call stack and returns the name of the function `depth` levels down in the stack.

GetNameserversAsCIDR returns nameservers (if any) listed in /etc/resolv.conf as CIDR blocks (e.g., "1.2.3.4/32") This function's output is intended for net.ParseCIDR.

GetResolvConf opens and read the content of /etc/resolv.conf.

Go is a basic promise implementation: it wraps calls a function in a goroutine, and returns a channel which will later return the function's return value.

HumanDuration returns a human-readable approximation of a duration (eg.

HumanSize returns a human-readable approximation of a size using SI standard (eg.

NewStdWriter instanciates a new Writer.

FIXME: Change this not to receive default value as parameter.

Get a repos name and returns the right reposName + tag The tag can be confusing because of a port in a repository name.

Parses a human-readable string representing an amount of RAM in bytes, kibibytes, mebibytes or gibibytes, and returns the number of bytes, or -1 if the string is unparseable.

Figure out the absolute path of our own binary (if it's still around).

Take a list of strings and escape them so they will be handled right when passed as arguments to an program via a shell.

StdCopy is a modified version of io.Copy.

StripComments parses input into lines and strips away comments.

TestDirectory creates a new temporary directory and returns its path.

TreeSize walks a directory tree and returns its total size in bytes.

TruncateID returns a shorthand version of a string identifier for convenience.

UserLookup check if the given username or uid is present in /etc/passwd and returns the user struct.

whether or not Docker itself was compiled statically via ./hack/make.sh binary.

custom location to search for a valid dockerinit binary (available for packagers as a last resort escape hatch).

sha1sum of separate static dockerinit, if Docker itself was compiled dynamically via ./hack/make.sh dynbinary.

HTTPRequestFactory creates an HTTP request and applies a list of decorators on the request.

HTTPUserAgentDecorator appends the product/version to the user agent field of a request.

An StatusError reports an unsuccessful exit by a command.

TruncIndex allows the retrieval of string identifiers by any of their unique prefixes.

A common interface to access the Fatal method of both testing.B and testing.T.

HTTPRequestDecorator is used to change an instance of http.Request.

VersionInfo is used to model entities which has a version.