mirror of
https://github.com/gohugoio/hugo.git
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f2946da9e8
* Add file context to minifier errors when publishing * Misc fixes (see issues) * Allow custom server error template in layouts/server/error.html To get to this, this commit also cleans up and simplifies the code surrounding errors and files. This also removes the usage of `github.com/pkg/errors`, mostly because of https://github.com/pkg/errors/issues/223 -- but also because most of this is now built-in to Go. Fixes #9852 Fixes #9857 Fixes #9863
126 lines
2.7 KiB
Go
126 lines
2.7 KiB
Go
// Copyright 2018 The Hugo Authors. All rights reserved.
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//
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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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// 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 filecache
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import (
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"fmt"
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"io"
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"os"
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"github.com/gohugoio/hugo/hugofs"
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"github.com/spf13/afero"
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)
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// Prune removes expired and unused items from this cache.
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// The last one requires a full build so the cache usage can be tracked.
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// Note that we operate directly on the filesystem here, so this is not
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// thread safe.
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func (c Caches) Prune() (int, error) {
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counter := 0
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for k, cache := range c {
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count, err := cache.Prune(false)
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counter += count
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if err != nil {
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if os.IsNotExist(err) {
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continue
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}
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return counter, fmt.Errorf("failed to prune cache %q: %w", k, err)
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}
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}
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return counter, nil
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}
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// Prune removes expired and unused items from this cache.
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// If force is set, everything will be removed not considering expiry time.
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func (c *Cache) Prune(force bool) (int, error) {
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if c.pruneAllRootDir != "" {
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return c.pruneRootDir(force)
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}
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counter := 0
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err := afero.Walk(c.Fs, "", func(name string, info os.FileInfo, err error) error {
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if info == nil {
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return nil
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}
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name = cleanID(name)
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if info.IsDir() {
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f, err := c.Fs.Open(name)
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if err != nil {
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// This cache dir may not exist.
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return nil
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}
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defer f.Close()
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_, err = f.Readdirnames(1)
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if err == io.EOF {
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// Empty dir.
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err = c.Fs.Remove(name)
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}
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if err != nil && !os.IsNotExist(err) {
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return err
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}
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return nil
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}
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shouldRemove := force || c.isExpired(info.ModTime())
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if !shouldRemove && len(c.nlocker.seen) > 0 {
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// Remove it if it's not been touched/used in the last build.
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_, seen := c.nlocker.seen[name]
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shouldRemove = !seen
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}
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if shouldRemove {
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err := c.Fs.Remove(name)
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if err == nil {
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counter++
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}
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if err != nil && !os.IsNotExist(err) {
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return err
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}
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}
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return nil
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})
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return counter, err
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}
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func (c *Cache) pruneRootDir(force bool) (int, error) {
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info, err := c.Fs.Stat(c.pruneAllRootDir)
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if err != nil {
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if os.IsNotExist(err) {
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return 0, nil
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}
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return 0, err
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}
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if !force && !c.isExpired(info.ModTime()) {
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return 0, nil
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}
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return hugofs.MakeReadableAndRemoveAllModulePkgDir(c.Fs, c.pruneAllRootDir)
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}
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