treewide: simplify subproject names

Lanzatool is renamed to 'tool' and lanzaboote is renamed to 'stub'.
The name of the lanzatool binary is now 'lzbt' standing for
LanZaBooteTool.

flake.nix

@@ -53,7 +53,7 @@
             ./nix/modules/lanzaboote.nix
           ];
 
-          boot.lanzaboote.package = perSystem.config.packages.lanzatool;
+          boot.lanzaboote.package = perSystem.config.packages.tool;
         }
       );
 
@@ -107,15 +107,15 @@
               });
             };
 
-          lanzabooteCrane = buildRustApp {
+          stubCrane = buildRustApp {
             src = craneLib.cleanCargoSource ./rust/stub;
             target = "x86_64-unknown-uefi";
             doCheck = false;
           };
 
-          lanzaboote = lanzabooteCrane.package;
+          stub = stubCrane.package;
 
-          lanzatoolCrane = buildRustApp {
+          toolCrane = buildRustApp {
             src = ./rust/tool;
             extraArgs = {
               TEST_SYSTEMD = pkgs.systemd;
@@ -126,13 +126,9 @@
             };
           };
 
-          lanzatool-unwrapped = lanzatoolCrane.package;
+          tool = toolCrane.package;
-        in
-        {
-          packages = {
-            inherit lanzaboote;
 
-            lanzatool = pkgs.runCommand "lanzatool"
+          wrappedTool = pkgs.runCommand "lzbt"
             {
               nativeBuildInputs = [ pkgs.makeWrapper ];
             } ''
@@ -140,20 +136,26 @@
 
             # Clean PATH to only contain what we need to do objcopy. Also
             # tell lanzatool where to find our UEFI binaries.
-              makeWrapper ${lanzatool-unwrapped}/bin/lanzatool $out/bin/lanzatool \
+            makeWrapper ${tool}/bin/lzbt $out/bin/lzbt \
               --set PATH ${lib.makeBinPath [ pkgs.binutils-unwrapped pkgs.sbsigntool ]} \
               --set RUST_BACKTRACE full \
-                --set LANZABOOTE_STUB ${lanzaboote}/bin/lanzaboote.efi
+              --set LANZABOOTE_STUB ${stub}/bin/lanzaboote_stub.efi
           '';
+        in
+        {
+          packages = {
+            inherit stub;
+            tool = wrappedTool;
+            lzbt = wrappedTool;
           };
 
           overlayAttrs = {
-            inherit (config.packages) lanzatool;
+            inherit (config.packages) tool;
           };
 
           checks = {
-            lanzatool-clippy = lanzatoolCrane.clippy;
+            toolClippy = toolCrane.clippy;
-            lanzaboote-clippy = lanzabooteCrane.clippy;
+            stubClippy = stubCrane.clippy;
           } // (import ./nix/tests/lanzaboote.nix {
             inherit pkgs testPkgs;
             lanzabooteModule = self.nixosModules.lanzaboote;
@@ -193,8 +195,8 @@
               ];
 
             inputsFrom = [
-              config.packages.lanzaboote
+              config.packages.stub
-              config.packages.lanzatool
+              config.packages.tool
             ];
 
             TEST_SYSTEMD = pkgs.systemd;

nix/modules/lanzaboote.nix

@@ -39,8 +39,8 @@ in
     };
     package = mkOption {
       type = types.package;
-      default = pkgs.lanzatool;
+      default = pkgs.lzbt;
-      description = "Lanzatool package";
+      description = "Lanzaboote tool (lzbt) package";
     };
   };
 
@@ -58,7 +58,7 @@ in
           ${sbctlWithPki}/bin/sbctl enroll-keys --yes-this-might-brick-my-machine
         ''}
   
-        ${cfg.package}/bin/lanzatool install \
+        ${cfg.package}/bin/lzbt install \
           --public-key ${cfg.publicKeyFile} \
           --private-key ${cfg.privateKeyFile} \
           --configuration-limit ${toString configurationLimit} \

rust/stub/Cargo.lock

@@ -86,7 +86,7 @@ dependencies = [
 ]
 
 [[package]]
-name = "lanzaboote"
+name = "lanzaboote_stub"
 version = "0.1.0"
 dependencies = [
  "ed25519-compact",

rust/stub/Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "lanzaboote"
+name = "lanzaboote_stub"
 version = "0.1.0"
 edition = "2021"
 publish = false

rust/tool/Cargo.lock

@@ -274,7 +274,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4217ad341ebadf8d8e724e264f13e593e0648f5b3e94b3896a5df283be015ecc"
 
 [[package]]
-name = "lanzatool"
+name = "lanzaboote_tool"
 version = "0.1.0"
 dependencies = [
  "anyhow",

rust/tool/Cargo.toml

@@ -1,8 +1,12 @@
 [package]
-name = "lanzatool"
+name = "lanzaboote_tool"
 version = "0.1.0"
 edition = "2021"
 
+[[bin]]
+name = "lzbt"
+path = "src/main.rs"
+
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]

rust/tool/tests/common/mod.rs

@@ -110,7 +110,7 @@ pub fn lanzaboote_install(
     let test_systemd = systemd_location_from_env()?;
     let test_systemd_stub = format!("{test_systemd}/lib/systemd/boot/efi/linuxx64.efi.stub");
 
-    let mut cmd = Command::cargo_bin("lanzatool")?;
+    let mut cmd = Command::cargo_bin("lzbt")?;
     let output = cmd
         .env("LANZABOOTE_STUB", test_systemd_stub)
         .arg("install")