snapshot of https://github.com/go-gitea/gitea.git (main, 2026-09-15; blobs > 131072B omitted)

services/gitdiff/submodule.go

@@ -0,0 +1,66 @@
+// Copyright 2025 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package gitdiff
+
+import (
+	"context"
+	"html/template"
+
+	"gitea.dev/modules/base"
+	"gitea.dev/modules/git"
+	"gitea.dev/modules/htmlutil"
+	"gitea.dev/modules/log"
+)
+
+type SubmoduleDiffInfo struct {
+	SubmoduleName string
+	SubmoduleFile *git.CommitSubmoduleFile // it might be nil if the submodule is not found or unable to parse
+	NewRefID      string
+	PreviousRefID string
+}
+
+func (si *SubmoduleDiffInfo) PopulateURL(ctx context.Context, repoLink string, gitRepo *git.Repository, diffFile *DiffFile, leftCommit, rightCommit *git.Commit) {
+	si.SubmoduleName = diffFile.Name
+	submoduleCommit := rightCommit // If the submodule is added or updated, check at the right commit
+	if diffFile.IsDeleted {
+		submoduleCommit = leftCommit // If the submodule is deleted, check at the left commit
+	}
+	if submoduleCommit == nil {
+		return
+	}
+
+	submoduleFullPath := diffFile.GetDiffFileName()
+	submodule, err := submoduleCommit.GetSubModule(ctx, gitRepo, submoduleFullPath)
+	if err != nil {
+		log.Error("Unable to PopulateURL for submodule %q: GetSubModule: %v", submoduleFullPath, err)
+		return // ignore the error, do not cause 500 errors for end users
+	}
+	if submodule != nil {
+		si.SubmoduleFile = git.NewCommitSubmoduleFile(repoLink, submoduleFullPath, submodule.URL, submoduleCommit.ID.String())
+	}
+}
+
+func (si *SubmoduleDiffInfo) CommitRefIDLinkHTML(ctx context.Context, commitID string) template.HTML {
+	webLink := si.SubmoduleFile.SubmoduleWebLinkTree(ctx, commitID)
+	if webLink == nil {
+		return htmlutil.HTMLFormat("%s", base.ShortSha(commitID))
+	}
+	return htmlutil.HTMLFormat(`<a href="%s">%s</a>`, webLink.CommitWebLink, base.ShortSha(commitID))
+}
+
+func (si *SubmoduleDiffInfo) CompareRefIDLinkHTML(ctx context.Context) template.HTML {
+	webLink := si.SubmoduleFile.SubmoduleWebLinkCompare(ctx, si.PreviousRefID, si.NewRefID)
+	if webLink == nil {
+		return htmlutil.HTMLFormat("%s...%s", base.ShortSha(si.PreviousRefID), base.ShortSha(si.NewRefID))
+	}
+	return htmlutil.HTMLFormat(`<a href="%s">%s...%s</a>`, webLink.CommitWebLink, base.ShortSha(si.PreviousRefID), base.ShortSha(si.NewRefID))
+}
+
+func (si *SubmoduleDiffInfo) SubmoduleRepoLinkHTML(ctx context.Context) template.HTML {
+	webLink := si.SubmoduleFile.SubmoduleWebLinkTree(ctx)
+	if webLink == nil {
+		return htmlutil.HTMLFormat("%s", si.SubmoduleName)
+	}
+	return htmlutil.HTMLFormat(`<a href="%s">%s</a>`, webLink.RepoWebLink, si.SubmoduleName)
+}