初始提交: Gitea 项目代码

modules/git/utils.go

@@ -0,0 +1,87 @@
+// Copyright 2015 The Gogs Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package git
+
+import (
+	"crypto/sha1"
+	"encoding/hex"
+	"strconv"
+	"strings"
+	"sync"
+
+	"gitea.dev/modules/util"
+)
+
+// ObjectCache provides thread-safe cache operations.
+type ObjectCache[T any] struct {
+	lock  sync.RWMutex
+	cache map[string]T
+}
+
+func newObjectCache[T any]() *ObjectCache[T] {
+	return &ObjectCache[T]{cache: make(map[string]T, 10)}
+}
+
+// Set adds obj to cache
+func (oc *ObjectCache[T]) Set(id string, obj T) {
+	oc.lock.Lock()
+	defer oc.lock.Unlock()
+
+	oc.cache[id] = obj
+}
+
+// Get gets cached obj by id
+func (oc *ObjectCache[T]) Get(id string) (T, bool) {
+	oc.lock.RLock()
+	defer oc.lock.RUnlock()
+
+	obj, has := oc.cache[id]
+	return obj, has
+}
+
+// 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
+}
+
+func HashFilePathForWebUI(s string) string {
+	h := sha1.New()
+	_, _ = h.Write([]byte(s))
+	return hex.EncodeToString(h.Sum(nil))
+}
+
+func SplitCommitTitleBody(commitMessage string, titleRuneLimit int) (title, body string) {
+	title, body, _ = strings.Cut(commitMessage, "\n")
+	title, title2 := util.EllipsisTruncateRunes(title, titleRuneLimit)
+	if title2 != "" {
+		if body == "" {
+			body = title2
+		} else {
+			body = title2 + "\n" + body
+		}
+	}
+	return title, body
+}