bootc: add composefs support (#354498)

pkgs/by-name/bo/bootc/package.nix

@@ -7,7 +7,7 @@
   pkg-config,
   openssl,
   glib,
-  ostree,
+  ostree-full,
   versionCheckHook,
 }:
 
@@ -31,7 +31,7 @@ rustPlatform.buildRustPackage rec {
     zstd
     openssl
     glib
-    ostree
+    ostree-full
   ];
 
   nativeInstallCheckInputs = [

pkgs/by-name/os/ostree-full/package.nix

@@ -0,0 +1,7 @@
+{
+  ostree,
+}:
+
+ostree.override {
+  withComposefs = true;
+}

pkgs/by-name/os/ostree/package.nix

@@ -33,6 +33,10 @@
 , docbook-xsl-nons
 , docbook_xml_dtd_42
 , python3
+
+  # Optional ComposeFS support
+, withComposefs ? false
+, composefs
 }:
 
 let
@@ -87,6 +91,8 @@ in stdenv.mkDerivation rec {
     # for installed tests
     testPython
     gjs
+  ] ++ lib.optionals withComposefs [
+    (lib.getDev composefs)
   ];
 
   enableParallelBuilding = true;
@@ -97,6 +103,8 @@ in stdenv.mkDerivation rec {
     "--with-systemdsystemgeneratordir=${placeholder "out"}/lib/systemd/system-generators"
     "--enable-installed-tests"
     "--with-ed25519-libsodium"
+  ] ++ lib.optionals withComposefs [
+    "--with-composefs"
   ];
 
   makeFlags = [