Add branches page

1 files changed, 44 insertions, 0 deletions

diff --git a/http_handle_branches.go b/http_handle_branches.go
new file mode 100644
index 0000000..c7f9d39
--- /dev/null
+++ b/http_handle_branches.go
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: AGPL-3.0-only
+// SPDX-FileContributor: Runxi Yu <https://runxiyu.org>
+
+package main
+
+import (
+	"net/http"
+	"strings"
+
+	"github.com/go-git/go-git/v5"
+	"github.com/go-git/go-git/v5/plumbing"
+	"github.com/go-git/go-git/v5/plumbing/storer"
+)
+
+func httpHandleRepoBranches(writer http.ResponseWriter, _ *http.Request, params map[string]any) {
+	var repo *git.Repository
+	var repoName string
+	var groupPath []string
+	var err error
+	var notes []string
+	var branches []string
+	var branchesIter storer.ReferenceIter
+
+	repo, repoName, groupPath = params["repo"].(*git.Repository), params["repo_name"].(string), params["group_path"].([]string)
+
+	if strings.Contains(repoName, "\n") || sliceContainsNewlines(groupPath) {
+		notes = append(notes, "Path contains newlines; HTTP Git access impossible")
+	}
+
+	branchesIter, err = repo.Branches()
+	if err == nil {
+		_ = branchesIter.ForEach(func(branch *plumbing.Reference) error {
+			branches = append(branches, branch.Name().Short())
+			return nil
+		})
+	}
+	params["branches"] = branches
+
+	params["http_clone_url"] = genHTTPRemoteURL(groupPath, repoName)
+	params["ssh_clone_url"] = genSSHRemoteURL(groupPath, repoName)
+	params["notes"] = notes
+
+	renderTemplate(writer, "repo_branches", params)
+}