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88 lines
1.8 KiB
88 lines
1.8 KiB
// Copyright 2015 The Gogs Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package git
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import (
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"fmt"
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"os"
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"strings"
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"sync"
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)
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// ObjectCache provides thread-safe cache opeations.
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type ObjectCache struct {
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lock sync.RWMutex
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cache map[string]interface{}
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}
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func newObjectCache() *ObjectCache {
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return &ObjectCache{
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cache: make(map[string]interface{}, 10),
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}
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}
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// Set add obj to cache
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func (oc *ObjectCache) Set(id string, obj interface{}) {
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oc.lock.Lock()
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defer oc.lock.Unlock()
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oc.cache[id] = obj
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}
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// Get get cached obj by id
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func (oc *ObjectCache) Get(id string) (interface{}, bool) {
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oc.lock.RLock()
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defer oc.lock.RUnlock()
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obj, has := oc.cache[id]
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return obj, has
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}
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// isDir returns true if given path is a directory,
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// or returns false when it's a file or does not exist.
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func isDir(dir string) bool {
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f, e := os.Stat(dir)
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if e != nil {
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return false
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}
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return f.IsDir()
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}
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// isFile returns true if given path is a file,
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// or returns false when it's a directory or does not exist.
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func isFile(filePath string) bool {
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f, e := os.Stat(filePath)
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if e != nil {
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return false
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}
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return !f.IsDir()
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}
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// isExist checks whether a file or directory exists.
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// It returns false when the file or directory does not exist.
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func isExist(path string) bool {
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_, err := os.Stat(path)
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return err == nil || os.IsExist(err)
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}
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func concatenateError(err error, stderr string) error {
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if len(stderr) == 0 {
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return err
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}
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return fmt.Errorf("%v - %s", err, stderr)
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}
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// RefEndName return the end name of a ref name
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func RefEndName(refStr string) string {
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if strings.HasPrefix(refStr, BranchPrefix) {
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return refStr[len(BranchPrefix):]
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}
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if strings.HasPrefix(refStr, TagPrefix) {
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return refStr[len(TagPrefix):]
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}
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return refStr
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}
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