1 files changed, 0 insertions, 162 deletions

diff --git a/cli/internal/cacheitem/filepath.go b/cli/internal/cacheitem/filepath.go
deleted file mode 100644
index 4fd1681..0000000
--- a/cli/internal/cacheitem/filepath.go
+++ /dev/null
@@ -1,162 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cacheitem
-
-import "os"
-
-const _separator = os.PathSeparator
-
-// A lazybuf is a lazily constructed path buffer.
-// It supports append, reading previously appended bytes,
-// and retrieving the final string. It does not allocate a buffer
-// to hold the output until that output diverges from s.
-type lazybuf struct {
-	path       string
-	buf        []byte
-	w          int
-	volAndPath string
-	volLen     int
-}
-
-func (b *lazybuf) index(i int) byte {
-	if b.buf != nil {
-		return b.buf[i]
-	}
-	return b.path[i]
-}
-
-func (b *lazybuf) append(c byte) {
-	if b.buf == nil {
-		if b.w < len(b.path) && b.path[b.w] == c {
-			b.w++
-			return
-		}
-		b.buf = make([]byte, len(b.path))
-		copy(b.buf, b.path[:b.w])
-	}
-	b.buf[b.w] = c
-	b.w++
-}
-
-func (b *lazybuf) string() string {
-	if b.buf == nil {
-		return b.volAndPath[:b.volLen+b.w]
-	}
-	return b.volAndPath[:b.volLen] + string(b.buf[:b.w])
-}
-
-// Clean is extracted from stdlib and removes `FromSlash` processing
-// of the stdlib version.
-//
-// Clean returns the shortest path name equivalent to path
-// by purely lexical processing. It applies the following rules
-// iteratively until no further processing can be done:
-//
-//  1. Replace multiple Separator elements with a single one.
-//  2. Eliminate each . path name element (the current directory).
-//  3. Eliminate each inner .. path name element (the parent directory)
-//     along with the non-.. element that precedes it.
-//  4. Eliminate .. elements that begin a rooted path:
-//     that is, replace "/.." by "/" at the beginning of a path,
-//     assuming Separator is '/'.
-//
-// The returned path ends in a slash only if it represents a root directory,
-// such as "/" on Unix or `C:\` on Windows.
-//
-// Finally, any occurrences of slash are replaced by Separator.
-//
-// If the result of this process is an empty string, Clean
-// returns the string ".".
-//
-// See also Rob Pike, “Lexical File Names in Plan 9 or
-// Getting Dot-Dot Right,”
-// https://9p.io/sys/doc/lexnames.html
-func Clean(path string) string {
-	originalPath := path
-	volLen := volumeNameLen(path)
-	path = path[volLen:]
-	if path == "" {
-		if volLen > 1 && originalPath[1] != ':' {
-			// should be UNC
-			// ORIGINAL: return FromSlash(originalPath)
-			return originalPath
-		}
-		return originalPath + "."
-	}
-	rooted := os.IsPathSeparator(path[0])
-
-	// Invariants:
-	//	reading from path; r is index of next byte to process.
-	//	writing to buf; w is index of next byte to write.
-	//	dotdot is index in buf where .. must stop, either because
-	//		it is the leading slash or it is a leading ../../.. prefix.
-	n := len(path)
-	out := lazybuf{path: path, volAndPath: originalPath, volLen: volLen}
-	r, dotdot := 0, 0
-	if rooted {
-		out.append(_separator)
-		r, dotdot = 1, 1
-	}
-
-	for r < n {
-		switch {
-		case os.IsPathSeparator(path[r]):
-			// empty path element
-			r++
-		case path[r] == '.' && r+1 == n:
-			// . element
-			r++
-		case path[r] == '.' && os.IsPathSeparator(path[r+1]):
-			// ./ element
-			r++
-
-			for r < len(path) && os.IsPathSeparator(path[r]) {
-				r++
-			}
-			if out.w == 0 && volumeNameLen(path[r:]) > 0 {
-				// When joining prefix "." and an absolute path on Windows,
-				// the prefix should not be removed.
-				out.append('.')
-			}
-		case path[r] == '.' && path[r+1] == '.' && (r+2 == n || os.IsPathSeparator(path[r+2])):
-			// .. element: remove to last separator
-			r += 2
-			switch {
-			case out.w > dotdot:
-				// can backtrack
-				out.w--
-				for out.w > dotdot && !os.IsPathSeparator(out.index(out.w)) {
-					out.w--
-				}
-			case !rooted:
-				// cannot backtrack, but not rooted, so append .. element.
-				if out.w > 0 {
-					out.append(_separator)
-				}
-				out.append('.')
-				out.append('.')
-				dotdot = out.w
-			}
-		default:
-			// real path element.
-			// add slash if needed
-			if rooted && out.w != 1 || !rooted && out.w != 0 {
-				out.append(_separator)
-			}
-			// copy element
-			for ; r < n && !os.IsPathSeparator(path[r]); r++ {
-				out.append(path[r])
-			}
-		}
-	}
-
-	// Turn empty string into "."
-	if out.w == 0 {
-		out.append('.')
-	}
-
-	// ORIGINAL: return FromSlash(out.string())
-	return out.string()
-}