chore: initialize Gitea v1.27.2 fork

Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5

models/gituser/gituser.go

@@ -0,0 +1,63 @@
+// Copyright 2026 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package gituser
+
+import (
+	"context"
+	"net/url"
+
+	"gitea.dev/models/user"
+	"gitea.dev/modules/container"
+	"gitea.dev/modules/git"
+)
+
+// CommitParticipant is one participant of a commit (its author or a co-author):
+// a git identity, optionally matched to a Gitea user.
+type CommitParticipant struct {
+	GitIdentity *git.CommitIdentity // git identity (name/email), never nil
+	GiteaUser   *user.User          // matched Gitea user, nil if unmatched
+}
+
+// UserCommit represents a commit with matched of database "author" user.
+type UserCommit struct {
+	GitCommit       *git.Commit
+	AuthorUser      *user.User
+	AvatarStackData *AvatarStackData
+}
+
+func RepoCommitSearchByEmailLink(repoLink string, ref git.RefName) string {
+	if curRefWebLinkPath := ref.RefWebLinkPath(); curRefWebLinkPath != "" {
+		return repoLink + "/commits/" + curRefWebLinkPath + "/search?q=" + url.QueryEscape("author:") + "{email}"
+	}
+	return ""
+}
+
+// GetUserCommitsByGitCommits checks if authors' e-mails of commits are corresponding to users.
+func GetUserCommitsByGitCommits(ctx context.Context, gitCommits []*git.Commit, repoLink string, currentRef git.RefName) ([]*UserCommit, error) {
+	userCommits := make([]*UserCommit, 0, len(gitCommits))
+	emailSet := make(container.Set[string])
+	for _, c := range gitCommits {
+		emailSet.Add(c.Author.Email)
+		for _, p := range c.AllAuthorIdentities() {
+			emailSet.Add(p.Email)
+		}
+	}
+
+	emailUserMap, err := user.GetUsersByEmails(ctx, emailSet.Values())
+	if err != nil {
+		return nil, err
+	}
+
+	searchByEmailLink := RepoCommitSearchByEmailLink(repoLink, currentRef)
+	for _, c := range gitCommits {
+		uc := &UserCommit{
+			AuthorUser:      emailUserMap.GetByEmail(c.Author.Email), // FIXME: why GetUserCommitsByGitCommits uses "Author", but ParseCommitsWithSignature uses "Committer"?
+			GitCommit:       c,
+			AvatarStackData: BuildAvatarStackData(ctx, c.AllAuthorIdentities(), emailUserMap),
+		}
+		uc.AvatarStackData.SearchByEmailLink = searchByEmailLink
+		userCommits = append(userCommits, uc)
+	}
+	return userCommits, nil
+}