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67 lines
1.5 KiB
67 lines
1.5 KiB
// Copyright 2018 The Prometheus Authors |
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// Licensed under the Apache License, Version 2.0 (the "License"); |
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// you may not use this file except in compliance with the License. |
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// You may obtain a copy of the License at |
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// |
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// http://www.apache.org/licenses/LICENSE-2.0 |
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// |
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// Unless required by applicable law or agreed to in writing, software |
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// distributed under the License is distributed on an "AS IS" BASIS, |
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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// See the License for the specific language governing permissions and |
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// limitations under the License. |
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// Package modtimevfs implements a virtual file system that returns a fixed |
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// modification time for all files and directories. |
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package modtimevfs |
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import ( |
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"net/http" |
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"os" |
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"time" |
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) |
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type timefs struct { |
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fs http.FileSystem |
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t time.Time |
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} |
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// New returns a file system that returns constant modification time for all files. |
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func New(fs http.FileSystem, t time.Time) http.FileSystem { |
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return &timefs{fs: fs, t: t} |
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} |
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type file struct { |
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http.File |
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os.FileInfo |
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t time.Time |
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} |
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func (t *timefs) Open(name string) (http.File, error) { |
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f, err := t.fs.Open(name) |
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if err != nil { |
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return f, err |
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} |
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defer func() { |
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if err != nil { |
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f.Close() |
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} |
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}() |
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fstat, err := f.Stat() |
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if err != nil { |
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return nil, err |
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} |
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return &file{f, fstat, t.t}, nil |
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} |
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// Stat implements the http.File interface. |
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func (f *file) Stat() (os.FileInfo, error) { |
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return f, nil |
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} |
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// ModTime implements the os.FileInfo interface. |
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func (f *file) ModTime() time.Time { |
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return f.t |
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}
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