Add jgvariant-ostree module.
Change-Id: Idf7bacad28d7cf65eb1ddd0994dcc2c2c2a7e18e
diff --git a/jgvariant-ostree/src/main/java/eu/mulk/jgvariant/ostree/DirTree.java b/jgvariant-ostree/src/main/java/eu/mulk/jgvariant/ostree/DirTree.java
new file mode 100644
index 0000000..3a14abb
--- /dev/null
+++ b/jgvariant-ostree/src/main/java/eu/mulk/jgvariant/ostree/DirTree.java
@@ -0,0 +1,49 @@
+package eu.mulk.jgvariant.ostree;
+
+import eu.mulk.jgvariant.core.Decoder;
+import java.nio.charset.StandardCharsets;
+import java.util.List;
+
+/**
+ * Metadata describing files and directories of a file tree.
+ *
+ * <p>Referenced by {@link Commit#rootDirTreeChecksum()} and recursively by {@link
+ * Directory#treeChecksum()}.
+ *
+ * <p>Reference: {@code ostree-core.h#OSTREE_TREE_GVARIANT_STRING}
+ */
+public record DirTree(List<File> files, List<Directory> directories) {
+
+ public record File(String name, Checksum checksum) {
+
+ private static final Decoder<File> DECODER =
+ Decoder.ofStructure(
+ File.class, Decoder.ofString(StandardCharsets.UTF_8), Checksum.decoder());
+
+ public static Decoder<File> decoder() {
+ return DECODER;
+ }
+ }
+
+ public record Directory(String name, Checksum treeChecksum, Checksum dirChecksum) {
+
+ private static final Decoder<Directory> DECODER =
+ Decoder.ofStructure(
+ Directory.class,
+ Decoder.ofString(StandardCharsets.UTF_8),
+ Checksum.decoder(),
+ Checksum.decoder());
+
+ public static Decoder<Directory> decoder() {
+ return DECODER;
+ }
+ }
+
+ private static final Decoder<DirTree> DECODER =
+ Decoder.ofStructure(
+ DirTree.class, Decoder.ofArray(File.decoder()), Decoder.ofArray(Directory.decoder()));
+
+ public static Decoder<DirTree> decoder() {
+ return DECODER;
+ }
+}