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-rw-r--r--vendor/github.com/spf13/afero/match.go110
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diff --git a/vendor/github.com/spf13/afero/match.go b/vendor/github.com/spf13/afero/match.go
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+// Copyright © 2014 Steve Francia <spf@spf13.com>.
+// Copyright 2009 The Go Authors. All rights reserved.
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package afero
+
+import (
+ "path/filepath"
+ "sort"
+ "strings"
+)
+
+// Glob returns the names of all files matching pattern or nil
+// if there is no matching file. The syntax of patterns is the same
+// as in Match. The pattern may describe hierarchical names such as
+// /usr/*/bin/ed (assuming the Separator is '/').
+//
+// Glob ignores file system errors such as I/O errors reading directories.
+// The only possible returned error is ErrBadPattern, when pattern
+// is malformed.
+//
+// This was adapted from (http://golang.org/pkg/path/filepath) and uses several
+// built-ins from that package.
+func Glob(fs Fs, pattern string) (matches []string, err error) {
+ if !hasMeta(pattern) {
+ // afero does not support Lstat directly.
+ if _, err = lstatIfOs(fs, pattern); err != nil {
+ return nil, nil
+ }
+ return []string{pattern}, nil
+ }
+
+ dir, file := filepath.Split(pattern)
+ switch dir {
+ case "":
+ dir = "."
+ case string(filepath.Separator):
+ // nothing
+ default:
+ dir = dir[0 : len(dir)-1] // chop off trailing separator
+ }
+
+ if !hasMeta(dir) {
+ return glob(fs, dir, file, nil)
+ }
+
+ var m []string
+ m, err = Glob(fs, dir)
+ if err != nil {
+ return
+ }
+ for _, d := range m {
+ matches, err = glob(fs, d, file, matches)
+ if err != nil {
+ return
+ }
+ }
+ return
+}
+
+// glob searches for files matching pattern in the directory dir
+// and appends them to matches. If the directory cannot be
+// opened, it returns the existing matches. New matches are
+// added in lexicographical order.
+func glob(fs Fs, dir, pattern string, matches []string) (m []string, e error) {
+ m = matches
+ fi, err := fs.Stat(dir)
+ if err != nil {
+ return
+ }
+ if !fi.IsDir() {
+ return
+ }
+ d, err := fs.Open(dir)
+ if err != nil {
+ return
+ }
+ defer d.Close()
+
+ names, _ := d.Readdirnames(-1)
+ sort.Strings(names)
+
+ for _, n := range names {
+ matched, err := filepath.Match(pattern, n)
+ if err != nil {
+ return m, err
+ }
+ if matched {
+ m = append(m, filepath.Join(dir, n))
+ }
+ }
+ return
+}
+
+// hasMeta reports whether path contains any of the magic characters
+// recognized by Match.
+func hasMeta(path string) bool {
+ // TODO(niemeyer): Should other magic characters be added here?
+ return strings.IndexAny(path, "*?[") >= 0
+}