feat: revert compression tweaks

src/builder.rs

@@ -554,7 +554,7 @@ pub struct IsoBuilder {
 
 const DR_MODS: &str = "livenet dmsquash-live dmsquash-live-ntfs convertfs pollcdrom qemu qemu-net";
 const DR_OMIT: &str = "";
-const DR_ARGS: &str = "--xz --no-early-microcode --strip --aggressive-strip";
+const DR_ARGS: &str = "--xz --no-early-microcode";
 
 impl IsoBuilder {
 	fn dracut(&self, root: &Path) -> Result<()> {
@@ -603,9 +603,6 @@ impl IsoBuilder {
 			dr_args.push(&dr_omit);
 		}
 
-		if std::env::var("INITRD_COMPRESS").is_err() {
-			std::env::set_var("INITRD_COMPRESS", "zstd --ultra -22 -q -T0");
-		}
 		crate::chroot_run_cmd!(root,
 			unshare -R $root env - DRACUT_SYSTEMD=0 dracut $[dr_args]
 			/boot/initramfs-$kver.img --kver $kver 2>&1;
@@ -626,7 +623,7 @@ impl IsoBuilder {
 			"lzo" => "-comp lzo",
 			"lz4" => "-comp lz4 -Xhc",
 			"xz" => "-comp xz -Xbcj x86",
-			"zstd" => "-comp zstd -Xcompression-level 22",
+			"zstd" => "-comp zstd -Xcompression-level 19",
 			"lzma" => "-comp lzma",
 			_ => bail!("Unknown squashfs compression: {sqfs_comp}"),
 		}