chore: initialize Gitea v1.27.2 fork

Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5

services/git/commit.go

@@ -0,0 +1,97 @@
+// Copyright 2025 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package git
+
+import (
+	"context"
+
+	asymkey_model "gitea.dev/models/asymkey"
+	git_model "gitea.dev/models/git"
+	"gitea.dev/models/gituser"
+	repo_model "gitea.dev/models/repo"
+	user_model "gitea.dev/models/user"
+	"gitea.dev/modules/container"
+	"gitea.dev/modules/git"
+	asymkey_service "gitea.dev/services/asymkey"
+)
+
+// ParseCommitsWithSignature checks if signaute of commits are corresponding to users gpg keys.
+func ParseCommitsWithSignature(ctx context.Context, repo *repo_model.Repository, oldCommits []*gituser.UserCommit, repoTrustModel repo_model.TrustModelType) ([]*asymkey_model.SignCommit, error) {
+	newCommits := make([]*asymkey_model.SignCommit, 0, len(oldCommits))
+	keyMap := map[string]bool{}
+
+	emails := make(container.Set[string])
+	for _, c := range oldCommits {
+		if c.GitCommit.Committer != nil {
+			emails.Add(c.GitCommit.Committer.Email)
+		}
+	}
+
+	emailUsers, err := user_model.GetUsersByEmails(ctx, emails.Values())
+	if err != nil {
+		return nil, err
+	}
+
+	for _, c := range oldCommits {
+		committerUser := emailUsers.GetByEmail(c.GitCommit.Committer.Email) // FIXME: why GetUserCommitsByGitCommits uses "Author", but ParseCommitsWithSignature uses "Committer"?
+		signCommit := &asymkey_model.SignCommit{
+			UserCommit:   c,
+			Verification: asymkey_service.ParseCommitWithSignatureCommitter(ctx, c.GitCommit, committerUser),
+		}
+
+		isOwnerMemberCollaborator := func(user *user_model.User) (bool, error) {
+			return repo_model.IsOwnerMemberCollaborator(ctx, repo, user.ID)
+		}
+
+		_ = asymkey_model.CalculateTrustStatus(signCommit.Verification, repoTrustModel, isOwnerMemberCollaborator, &keyMap)
+
+		newCommits = append(newCommits, signCommit)
+	}
+	return newCommits, nil
+}
+
+// ConvertFromGitCommit converts git commits into SignCommitWithStatuses
+func ConvertFromGitCommit(ctx context.Context, commits []*git.Commit, repo *repo_model.Repository, currentRef git.RefName) ([]*git_model.SignCommitWithStatuses, error) {
+	userCommits, err := gituser.GetUserCommitsByGitCommits(ctx, commits, repo.Link(), currentRef)
+	if err != nil {
+		return nil, err
+	}
+	signedCommits, err := ParseCommitsWithSignature(
+		ctx,
+		repo,
+		userCommits,
+		repo.GetTrustModel(),
+	)
+	if err != nil {
+		return nil, err
+	}
+	return ParseCommitsWithStatus(ctx, signedCommits, repo)
+}
+
+// ParseCommitsWithStatus checks commits latest statuses and calculates its worst status state
+func ParseCommitsWithStatus(ctx context.Context, oldCommits []*asymkey_model.SignCommit, repo *repo_model.Repository) ([]*git_model.SignCommitWithStatuses, error) {
+	if len(oldCommits) == 0 {
+		return nil, nil
+	}
+
+	commitIDs := make([]string, 0, len(oldCommits))
+	for _, c := range oldCommits {
+		commitIDs = append(commitIDs, c.GitCommit.ID.String())
+	}
+	statusMap, err := git_model.GetLatestCommitStatusForRepoCommitIDs(ctx, repo.ID, commitIDs)
+	if err != nil {
+		return nil, err
+	}
+
+	newCommits := make([]*git_model.SignCommitWithStatuses, 0, len(oldCommits))
+	for _, c := range oldCommits {
+		statuses := statusMap[c.GitCommit.ID.String()]
+		newCommits = append(newCommits, &git_model.SignCommitWithStatuses{
+			SignCommit: c,
+			Statuses:   statuses,
+			Status:     git_model.CalcCommitStatus(statuses),
+		})
+	}
+	return newCommits, nil
+}