1 files changed, 0 insertions, 125 deletions
diff --git a/pkg/storage/image_regexp.go b/pkg/storage/image_regexp.go
deleted file mode 100644
index 96de64884..000000000
--- a/pkg/storage/image_regexp.go
+++ /dev/null
@@ -1,125 +0,0 @@
-package storage
-
-// This is a fork of docker/distribution code to be used when manipulating image
-// references.
-// DO NOT EDIT THIS FILE.
-
-import "regexp"
-
-var (
-	// alphaNumericRegexp defines the alpha numeric atom, typically a
-	// component of names. This only allows lower case characters and digits.
-	alphaNumericRegexp = match(`[a-z0-9]+`)
-
-	// separatorRegexp defines the separators allowed to be embedded in name
-	// components. This allow one period, one or two underscore and multiple
-	// dashes.
-	separatorRegexp = match(`(?:[._]|__|[-]*)`)
-
-	// nameComponentRegexp restricts registry path component names to start
-	// with at least one letter or number, with following parts able to be
-	// separated by one period, one or two underscore and multiple dashes.
-	nameComponentRegexp = expression(
-		alphaNumericRegexp,
-		optional(repeated(separatorRegexp, alphaNumericRegexp)))
-
-	// domainComponentRegexp restricts the registry domain component of a
-	// repository name to start with a component as defined by domainRegexp
-	// and followed by an optional port.
-	domainComponentRegexp = match(`(?:[a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9-]*[a-zA-Z0-9])`)
-
-	// domainRegexp defines the structure of potential domain components
-	// that may be part of image names. This is purposely a subset of what is
-	// allowed by DNS to ensure backwards compatibility with Docker image
-	// names.
-	domainRegexp = expression(
-		domainComponentRegexp,
-		optional(repeated(literal(`.`), domainComponentRegexp)),
-		optional(literal(`:`), match(`[0-9]+`)))
-
-	// NameRegexp is the format for the name component of references. The
-	// regexp has capturing groups for the domain and name part omitting
-	// the separating forward slash from either.
-	NameRegexp = expression(
-		optional(domainRegexp, literal(`/`)),
-		nameComponentRegexp,
-		optional(repeated(literal(`/`), nameComponentRegexp)))
-
-	// anchoredNameRegexp is used to parse a name value, capturing the
-	// domain and trailing components.
-	anchoredNameRegexp = anchored(
-		optional(capture(domainRegexp), literal(`/`)),
-		capture(nameComponentRegexp,
-			optional(repeated(literal(`/`), nameComponentRegexp))))
-
-	// IdentifierRegexp is the format for string identifier used as a
-	// content addressable identifier using sha256. These identifiers
-	// are like digests without the algorithm, since sha256 is used.
-	IdentifierRegexp = match(`([a-f0-9]{64})`)
-
-	// ShortIdentifierRegexp is the format used to represent a prefix
-	// of an identifier. A prefix may be used to match a sha256 identifier
-	// within a list of trusted identifiers.
-	ShortIdentifierRegexp = match(`([a-f0-9]{6,64})`)
-)
-
-// match compiles the string to a regular expression.
-var match = regexp.MustCompile
-
-// literal compiles s into a literal regular expression, escaping any regexp
-// reserved characters.
-func literal(s string) *regexp.Regexp {
-	re := match(regexp.QuoteMeta(s))
-
-	if _, complete := re.LiteralPrefix(); !complete {
-		panic("must be a literal")
-	}
-
-	return re
-}
-
-func splitDomain(name string) (string, string) {
-	match := anchoredNameRegexp.FindStringSubmatch(name)
-	if len(match) != 3 {
-		return "", name
-	}
-	return match[1], match[2]
-}
-
-// expression defines a full expression, where each regular expression must
-// follow the previous.
-func expression(res ...*regexp.Regexp) *regexp.Regexp {
-	var s string
-	for _, re := range res {
-		s += re.String()
-	}
-
-	return match(s)
-}
-
-// optional wraps the expression in a non-capturing group and makes the
-// production optional.
-func optional(res ...*regexp.Regexp) *regexp.Regexp {
-	return match(group(expression(res...)).String() + `?`)
-}
-
-// repeated wraps the regexp in a non-capturing group to get one or more
-// matches.
-func repeated(res ...*regexp.Regexp) *regexp.Regexp {
-	return match(group(expression(res...)).String() + `+`)
-}
-
-// group wraps the regexp in a non-capturing group.
-func group(res ...*regexp.Regexp) *regexp.Regexp {
-	return match(`(?:` + expression(res...).String() + `)`)
-}
-
-// capture wraps the expression in a capturing group.
-func capture(res ...*regexp.Regexp) *regexp.Regexp {
-	return match(`(` + expression(res...).String() + `)`)
-}
-
-// anchored anchors the regular expression by adding start and end delimiters.
-func anchored(res ...*regexp.Regexp) *regexp.Regexp {
-	return match(`^` + expression(res...).String() + `$`)
-}