mirror of
https://codeberg.org/forgejo/forgejo.git
synced 2024-12-27 09:54:15 -05:00
93 lines
2 KiB
Go
93 lines
2 KiB
Go
// Copyright 2015 The Gogs Authors. All rights reserved.
|
|
// Use of this source code is governed by a MIT-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package git
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
"sync"
|
|
)
|
|
|
|
// objectCache provides thread-safe cache opeations.
|
|
type objectCache struct {
|
|
lock sync.RWMutex
|
|
cache map[string]interface{}
|
|
}
|
|
|
|
func newObjectCache() *objectCache {
|
|
return &objectCache{
|
|
cache: make(map[string]interface{}, 10),
|
|
}
|
|
}
|
|
|
|
func (oc *objectCache) Set(id string, obj interface{}) {
|
|
oc.lock.Lock()
|
|
defer oc.lock.Unlock()
|
|
|
|
oc.cache[id] = obj
|
|
}
|
|
|
|
func (oc *objectCache) Get(id string) (interface{}, bool) {
|
|
oc.lock.RLock()
|
|
defer oc.lock.RUnlock()
|
|
|
|
obj, has := oc.cache[id]
|
|
return obj, has
|
|
}
|
|
|
|
// isDir returns true if given path is a directory,
|
|
// or returns false when it's a file or does not exist.
|
|
func isDir(dir string) bool {
|
|
f, e := os.Stat(dir)
|
|
if e != nil {
|
|
return false
|
|
}
|
|
return f.IsDir()
|
|
}
|
|
|
|
// isFile returns true if given path is a file,
|
|
// or returns false when it's a directory or does not exist.
|
|
func isFile(filePath string) bool {
|
|
f, e := os.Stat(filePath)
|
|
if e != nil {
|
|
return false
|
|
}
|
|
return !f.IsDir()
|
|
}
|
|
|
|
// isExist checks whether a file or directory exists.
|
|
// It returns false when the file or directory does not exist.
|
|
func isExist(path string) bool {
|
|
_, err := os.Stat(path)
|
|
return err == nil || os.IsExist(err)
|
|
}
|
|
|
|
func concatenateError(err error, stderr string) error {
|
|
if len(stderr) == 0 {
|
|
return err
|
|
}
|
|
return fmt.Errorf("%v - %s", err, stderr)
|
|
}
|
|
|
|
// If the object is stored in its own file (i.e not in a pack file),
|
|
// this function returns the full path to the object file.
|
|
// It does not test if the file exists.
|
|
func filepathFromSHA1(rootdir, sha1 string) string {
|
|
return filepath.Join(rootdir, "objects", sha1[:2], sha1[2:])
|
|
}
|
|
|
|
func RefEndName(refStr string) string {
|
|
if strings.HasPrefix(refStr, BRANCH_PREFIX) {
|
|
return refStr[len(BRANCH_PREFIX):]
|
|
}
|
|
|
|
if strings.HasPrefix(refStr, TAG_PREFIX) {
|
|
return refStr[len(TAG_PREFIX):]
|
|
}
|
|
|
|
return refStr
|
|
}
|