receivepack: Add service semantics thingy

1 files changed, 26 insertions, 0 deletions

diff --git a/receivepack/internal/service/quarantine.go b/receivepack/internal/service/quarantine.go
new file mode 100644
index 00000000..17ff6279
--- /dev/null
+++ b/receivepack/internal/service/quarantine.go
@@ -0,0 +1,26 @@
+package service
+
+import (
+	"crypto/rand"
+	"os"
+)
+
+// createQuarantineRoot creates one per-push quarantine directory beneath the
+// permanent objects root.
+func (service *Service) createQuarantineRoot() (string, *os.Root, error) {
+	name := "tmp_objdir-incoming-" + rand.Text()
+
+	err := service.opts.ObjectsRoot.Mkdir(name, 0o700)
+	if err != nil {
+		return "", nil, err
+	}
+
+	root, err := service.opts.ObjectsRoot.OpenRoot(name)
+	if err != nil {
+		_ = service.opts.ObjectsRoot.RemoveAll(name)
+
+		return "", nil, err
+	}
+
+	return name, root, nil
+}