Add jgvariant-ostree module.
Change-Id: Idf7bacad28d7cf65eb1ddd0994dcc2c2c2a7e18e
diff --git a/jgvariant-ostree/src/main/java/eu/mulk/jgvariant/ostree/Commit.java b/jgvariant-ostree/src/main/java/eu/mulk/jgvariant/ostree/Commit.java
new file mode 100644
index 0000000..43909ba
--- /dev/null
+++ b/jgvariant-ostree/src/main/java/eu/mulk/jgvariant/ostree/Commit.java
@@ -0,0 +1,51 @@
+package eu.mulk.jgvariant.ostree;
+
+import eu.mulk.jgvariant.core.Decoder;
+import java.nio.ByteOrder;
+import java.nio.charset.StandardCharsets;
+import java.util.List;
+
+/**
+ * A commit in an OSTree repository.
+ *
+ * <p>Has an optional parent, a root directory, and various metadata.
+ *
+ * <p>Reference: {@code ostree-core.h#OSTREE_COMMIT_GVARIANT_STRING}
+ */
+public record Commit(
+ Metadata metadata,
+ Checksum parentChecksum,
+ List<RelatedObject> relatedObjects,
+ String subject,
+ String body,
+ long timestamp,
+ Checksum rootDirTreeChecksum,
+ Checksum rootDirMetaChecksum) {
+
+ public record RelatedObject(String ref, Checksum commitChecksum) {
+
+ private static final Decoder<RelatedObject> DECODER =
+ Decoder.ofStructure(
+ RelatedObject.class, Decoder.ofString(StandardCharsets.UTF_8), Checksum.decoder());
+
+ public static Decoder<RelatedObject> decoder() {
+ return DECODER;
+ }
+ }
+
+ private static final Decoder<Commit> DECODER =
+ Decoder.ofStructure(
+ Commit.class,
+ Metadata.decoder(),
+ Checksum.decoder(),
+ Decoder.ofArray(RelatedObject.decoder()),
+ Decoder.ofString(StandardCharsets.UTF_8),
+ Decoder.ofString(StandardCharsets.UTF_8),
+ Decoder.ofLong().withByteOrder(ByteOrder.BIG_ENDIAN),
+ Checksum.decoder(),
+ Checksum.decoder());
+
+ public static Decoder<Commit> decoder() {
+ return DECODER;
+ }
+}