freshBootstrapTools: unify glibc and musl into the same directory

CI required that I `nixfmt` them at the same time.

pkgs/stdenv/linux/bootstrap-tools-musl/default.nix

···
-{ system, bootstrapFiles, extraAttrs }:
-
-derivation ({
-  name = "bootstrap-tools";
-
-  builder = bootstrapFiles.busybox;
-
-  args = [ "ash" "-e" ./scripts/unpack-bootstrap-tools.sh ];
-
-  tarball = bootstrapFiles.bootstrapTools;
-
-  inherit system;
-
-  # Needed by the GCC wrapper.
-  langC = true;
-  langCC = true;
-  isGNU = true;
-  hardeningUnsupportedFlags = [ "fortify3" "zerocallusedregs" "trivialautovarinit" ];
-} // extraAttrs)

pkgs/stdenv/linux/bootstrap-tools/default.nix

···
-{ system, bootstrapFiles, extraAttrs }:
-
-derivation ({
-  name = "bootstrap-tools";
-
-  builder = bootstrapFiles.busybox;
-
-  args = [ "ash" "-e" ./scripts/unpack-bootstrap-tools.sh ];
-
-  tarball = bootstrapFiles.bootstrapTools;
-
-  inherit system;
-
-  # Needed by the GCC wrapper.
-  langC = true;
-  langCC = true;
-  isGNU = true;
-  hardeningUnsupportedFlags = [
-    "fortify3"
-    "stackclashprotection"
-    "trivialautovarinit"
-    "zerocallusedregs"
-  ];
-} // extraAttrs)

pkgs/stdenv/linux/bootstrap-tools/glibc.nix

···
+{
+  system,
+  bootstrapFiles,
+  extraAttrs,
+}:
+
+derivation (
+  {
+    name = "bootstrap-tools";
+
+    builder = bootstrapFiles.busybox;
+
+    args = [
+      "ash"
+      "-e"
+      ./glibc/unpack-bootstrap-tools.sh
+    ];
+
+    tarball = bootstrapFiles.bootstrapTools;
+
+    inherit system;
+
+    # Needed by the GCC wrapper.
+    langC = true;
+    langCC = true;
+    isGNU = true;
+    hardeningUnsupportedFlags = [
+      "fortify3"
+      "stackclashprotection"
+      "trivialautovarinit"
+      "zerocallusedregs"
+    ];
+  }
+  // extraAttrs
+)

pkgs/stdenv/linux/bootstrap-tools/musl.nix

···
+{
+  system,
+  bootstrapFiles,
+  extraAttrs,
+}:
+
+derivation (
+  {
+    name = "bootstrap-tools";
+
+    builder = bootstrapFiles.busybox;
+
+    args = [
+      "ash"
+      "-e"
+      ./musl/unpack-bootstrap-tools.sh
+    ];
+
+    tarball = bootstrapFiles.bootstrapTools;
+
+    inherit system;
+
+    # Needed by the GCC wrapper.
+    langC = true;
+    langCC = true;
+    isGNU = true;
+    hardeningUnsupportedFlags = [
+      "fortify3"
+      "zerocallusedregs"
+      "trivialautovarinit"
+    ];
+  }
+  // extraAttrs
+)

pkgs/stdenv/linux/default.nix

···
 
 
   # Download and unpack the bootstrap tools (coreutils, GCC, Glibc, ...).
-  bootstrapTools = (import (if localSystem.libc == "musl" then ./bootstrap-tools-musl else ./bootstrap-tools) {
+  bootstrapTools = (import (if localSystem.libc == "musl" then ./bootstrap-tools/musl.nix else ./bootstrap-tools/glibc.nix) {
     inherit system bootstrapFiles;
     extraAttrs = lib.optionalAttrs config.contentAddressedByDefault {
       __contentAddressed = true;

pkgs/stdenv/linux/make-bootstrap-tools.nix

···
       };
     in
     if (stdenv.hostPlatform.libc == "glibc") then
-    import ./bootstrap-tools {
+    import ./bootstrap-tools/glibc.nix {
       inherit (stdenv.buildPlatform) system; # Used to determine where to build
       inherit bootstrapFiles extraAttrs;
     }
     else if (stdenv.hostPlatform.libc == "musl") then
-    import ./bootstrap-tools-musl {
+    import ./bootstrap-tools/musl.nix {
       inherit (stdenv.buildPlatform) system; # Used to determine where to build
       inherit bootstrapFiles extraAttrs;
     }