mirror of
https://github.com/go-gitea/gitea.git
synced 2024-12-23 05:24:47 +01:00
139 lines
3.1 KiB
Go
139 lines
3.1 KiB
Go
// Copyright 2015 The Gogs Authors. All rights reserved.
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
package git
|
|
|
|
import (
|
|
"crypto/sha1"
|
|
"encoding/hex"
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
"strconv"
|
|
"strings"
|
|
"sync"
|
|
)
|
|
|
|
// ObjectCache provides thread-safe cache operations.
|
|
type ObjectCache struct {
|
|
lock sync.RWMutex
|
|
cache map[string]any
|
|
}
|
|
|
|
func newObjectCache() *ObjectCache {
|
|
return &ObjectCache{
|
|
cache: make(map[string]any, 10),
|
|
}
|
|
}
|
|
|
|
// Set add obj to cache
|
|
func (oc *ObjectCache) Set(id string, obj any) {
|
|
oc.lock.Lock()
|
|
defer oc.lock.Unlock()
|
|
|
|
oc.cache[id] = obj
|
|
}
|
|
|
|
// Get get cached obj by id
|
|
func (oc *ObjectCache) Get(id string) (any, 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)
|
|
}
|
|
|
|
// ConcatenateError concatenats an error with stderr string
|
|
func ConcatenateError(err error, stderr string) error {
|
|
if len(stderr) == 0 {
|
|
return err
|
|
}
|
|
return fmt.Errorf("%w - %s", err, stderr)
|
|
}
|
|
|
|
// ParseBool returns the boolean value represented by the string as per git's git_config_bool
|
|
// true will be returned for the result if the string is empty, but valid will be false.
|
|
// "true", "yes", "on" are all true, true
|
|
// "false", "no", "off" are all false, true
|
|
// 0 is false, true
|
|
// Any other integer is true, true
|
|
// Anything else will return false, false
|
|
func ParseBool(value string) (result, valid bool) {
|
|
// Empty strings are true but invalid
|
|
if len(value) == 0 {
|
|
return true, false
|
|
}
|
|
// These are the git expected true and false values
|
|
if strings.EqualFold(value, "true") || strings.EqualFold(value, "yes") || strings.EqualFold(value, "on") {
|
|
return true, true
|
|
}
|
|
if strings.EqualFold(value, "false") || strings.EqualFold(value, "no") || strings.EqualFold(value, "off") {
|
|
return false, true
|
|
}
|
|
// Try a number
|
|
intValue, err := strconv.ParseInt(value, 10, 32)
|
|
if err != nil {
|
|
return false, false
|
|
}
|
|
return intValue != 0, true
|
|
}
|
|
|
|
// LimitedReaderCloser is a limited reader closer
|
|
type LimitedReaderCloser struct {
|
|
R io.Reader
|
|
C io.Closer
|
|
N int64
|
|
}
|
|
|
|
// Read implements io.Reader
|
|
func (l *LimitedReaderCloser) Read(p []byte) (n int, err error) {
|
|
if l.N <= 0 {
|
|
_ = l.C.Close()
|
|
return 0, io.EOF
|
|
}
|
|
if int64(len(p)) > l.N {
|
|
p = p[0:l.N]
|
|
}
|
|
n, err = l.R.Read(p)
|
|
l.N -= int64(n)
|
|
return n, err
|
|
}
|
|
|
|
// Close implements io.Closer
|
|
func (l *LimitedReaderCloser) Close() error {
|
|
return l.C.Close()
|
|
}
|
|
|
|
func HashFilePathForWebUI(s string) string {
|
|
h := sha1.New()
|
|
_, _ = h.Write([]byte(s))
|
|
return hex.EncodeToString(h.Sum(nil))
|
|
}
|