1 files changed, 64 insertions, 0 deletions
diff --git a/meta.jq b/meta.jq
new file mode 100644
index 0000000..2dd6a54
--- /dev/null
+++ b/meta.jq
@@ -0,0 +1,64 @@
+def apply_optional: if has("rules") then
+    {
+        "rules": [.rules[] | {
+            "action": .action,
+            "match": del(.action)
+        }],
+        "value": del(.rules)
+    } as $optional
+    | if $optional.rules[].match | inside($info[0]) then
+        $optional.value
+    else
+        empty
+    end
+end;
+
+def replace_placeholders: {
+    "auth_player_name": $auth[0].player_name,
+    "auth_uuid": $auth[0].uuid,
+    "auth_xuid": $auth[0].xuid,
+    "auth_access_token": $auth[0].access_token,
+    "user_type": $auth[0].type,
+
+    "version_name": .id,
+    "version_type": .type,
+
+    "assets_index_name": .assets,
+    "assets_root": "assets",
+    "game_directory": "run",
+    "natives_directory": "natives",
+
+    "classpath": (. as $root | [
+        .libraries[] | apply_optional | "libraries/" + .downloads.artifact.path
+    ] + ["versions/\($root.id)/client.jar"] | join(":")),
+    "clientid": "idfk",
+
+    # log4j config path
+    "path": "versions/\(.id)/log4j.xml",
+
+    "launcher_name": "mcsh",
+    "launcher_version": "v0.1.0"
+} as $strings | walk(if type == "string" then
+    gsub("\\${(?<key>.*)}"; "\($strings[.key] // "${\(.key)}")")
+end);
+
+replace_placeholders | {
+    "args": .arguments | to_entries | [.[] | {
+        "key": .key,
+        "value": .value | [
+            .[] | if type == "object" then
+                apply_optional | .value
+            end
+        ] | flatten
+    }] | from_entries, # as $args | $args + {"jvm": [.logging.client.argument] + $args.jvm}),
+    "libraries": [.libraries[] | apply_optional | {
+        "name": .name,
+        "path": .downloads.artifact.path,
+        "url": .downloads.artifact.url
+    }],
+    "asset_index": .assetIndex.url,
+    "java_version": .javaVersion.majorVersion,
+    "client_url": .downloads.client.url,
+    "main_class": .mainClass,
+    "logging_config": .logging.client.file.url
+}