diff --git a/pkgs/stdenv/darwin/default.nix b/pkgs/stdenv/darwin/default.nix
index 81313fb390ec2..42e75d642c431 100644
--- a/pkgs/stdenv/darwin/default.nix
+++ b/pkgs/stdenv/darwin/default.nix
@@ -5,40 +5,13 @@
 , overlays
 , crossOverlays ? [ ]
 , bootstrapLlvmVersion ? if localSystem.isAarch64 then "11.1.0" else "7.1.0"
-  # Allow passing in bootstrap files directly so we can test the stdenv bootstrap process when changing the bootstrap tools
-, bootstrapFiles ? if localSystem.isAarch64 then
-    let
-      fetch = { file, sha256, executable ? true }: import <nix/fetchurl.nix> {
-        url = "http://tarballs.nixos.org/stdenv-darwin/aarch64/20acd4c4f14040485f40e55c0a76c186aa8ca4f3/${file}";
-        inherit (localSystem) system;
-        inherit sha256 executable;
-      }; in
-    {
-      sh = fetch { file = "sh"; sha256 = "17m3xrlbl99j3vm7rzz3ghb47094dyddrbvs2a6jalczvmx7spnj"; };
-      bzip2 = fetch { file = "bzip2"; sha256 = "1khs8s5klf76plhlvlc1ma838r8pc1qigk9f5bdycwgbn0nx240q"; };
-      mkdir = fetch { file = "mkdir"; sha256 = "1m9nk90paazl93v43myv2ay68c1arz39pqr7lk5ddbgb177hgg8a"; };
-      cpio = fetch { file = "cpio"; sha256 = "17pxq61yjjvyd738fy9f392hc9cfzkl612sdr9rxr3v0dgvm8y09"; };
-      tarball = fetch { file = "bootstrap-tools.cpio.bz2"; sha256 = "1v2332k33akm6mrm4bj749rxnnmc2pkbgcslmd0bbkf76bz2ildy"; executable = false; };
-    }
-  else
-    let
-      fetch = { file, sha256, executable ? true }: import <nix/fetchurl.nix> {
-        url = "http://tarballs.nixos.org/stdenv-darwin/x86_64/05ef940b94fe76e7ac06ea45a625adc8e4be96f9/${file}";
-        inherit (localSystem) system;
-        inherit sha256 executable;
-      }; in
-    {
-      sh = fetch { file = "sh"; sha256 = "sha256-igMAVEfumFv/LUNTGfNi2nSehgTNIP4Sg+f3L7u6SMA="; };
-      bzip2 = fetch { file = "bzip2"; sha256 = "sha256-K3rhkJZipudT1Jgh+l41Y/fNsMkrPtiAsNRDha/lpZI="; };
-      mkdir = fetch { file = "mkdir"; sha256 = "sha256-VddFELwLDJGNADKB1fWwWPBtIAlEUgJv2hXRmC4NEeM="; };
-      cpio = fetch { file = "cpio"; sha256 = "sha256-SWkwvLaFyV44kLKL2nx720SvcL4ej/p2V/bX3uqAGO0="; };
-      tarball = fetch { file = "bootstrap-tools.cpio.bz2"; sha256 = "sha256-b65dXbIm6o6s6U8tAiGpR6SMfvfn/VFcZgTHBetJZis="; executable = false; };
-    }
+, seeds ? import ../seeds.nix
 }:
 
 assert crossSystem == localSystem;
 
 let
+  bootstrapFiles = if localSystem.isAarch64 then seeds.darwin.aarch64 else seeds.darwin.x86_64;
   inherit (localSystem) system;
 
   useAppleSDKLibs = localSystem.isAarch64;
diff --git a/pkgs/stdenv/linux/bootstrap-files/aarch64-musl.nix b/pkgs/stdenv/linux/bootstrap-files/aarch64-musl.nix
deleted file mode 100644
index 252783cce47cb..0000000000000
--- a/pkgs/stdenv/linux/bootstrap-files/aarch64-musl.nix
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  busybox = import <nix/fetchurl.nix> {
-    url = "https://wdtz.org/files/wjzsj9cmdkc70f78yh072483x8656nci-stdenv-bootstrap-tools-aarch64-unknown-linux-musl/on-server/busybox";
-    sha256 = "01s6bwq84wyrjh3rdsgxni9gkzp7ss8rghg0cmp8zd87l79y8y4g";
-    executable = true;
-  };
-  bootstrapTools = import <nix/fetchurl.nix> {
-    url = "https://wdtz.org/files/wjzsj9cmdkc70f78yh072483x8656nci-stdenv-bootstrap-tools-aarch64-unknown-linux-musl/on-server/bootstrap-tools.tar.xz";
-    sha256 = "0pbqrw9z4ifkijpfpx15l2dzi00rq8c5zg9ghimz5qgr5dx7f7cl";
-  };
-}
diff --git a/pkgs/stdenv/linux/bootstrap-files/aarch64.nix b/pkgs/stdenv/linux/bootstrap-files/aarch64.nix
deleted file mode 100644
index 592f8ee6bef53..0000000000000
--- a/pkgs/stdenv/linux/bootstrap-files/aarch64.nix
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  busybox = import <nix/fetchurl.nix> {
-    url = "http://tarballs.nixos.org/stdenv-linux/aarch64/bb3ef8a95c9659596b8a34d27881cd30ffea2f9f/busybox";
-    sha256 = "12qcml1l67skpjhfjwy7gr10nc86gqcwjmz9ggp7knss8gq8pv7f";
-    executable = true;
-  };
-  bootstrapTools = import <nix/fetchurl.nix> {
-    url = "http://tarballs.nixos.org/stdenv-linux/aarch64/c5aabb0d603e2c1ea05f5a93b3be82437f5ebf31/bootstrap-tools.tar.xz";
-    sha256 = "d3f1bf2a1495b97f45359d5623bdb1f8eb75db43d3bf2059fc127b210f059358";
-  };
-}
diff --git a/pkgs/stdenv/linux/bootstrap-files/armv5tel.nix b/pkgs/stdenv/linux/bootstrap-files/armv5tel.nix
deleted file mode 100644
index 0ac818b9f2233..0000000000000
--- a/pkgs/stdenv/linux/bootstrap-files/armv5tel.nix
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-  # Note: do not use Hydra as a source URL. Ask a member of the
-  # infrastructure team to mirror the job.
-  busybox = import <nix/fetchurl.nix> {
-    # from job: https://hydra.nixos.org/job/nixpkgs/cross-trunk/bootstrapTools.armv5tel.dist/latest
-    # from build: https://hydra.nixos.org/build/114203025
-    url = "http://tarballs.nixos.org/stdenv-linux/armv5tel/0eb0ddc4dbe3cd5415c6b6e657538eb809fc3778/busybox";
-    # note: the following hash is different than the above hash, due to executable = true
-    sha256 = "0qxp2fsvs4phbc17g9npj9bsm20ylr8myi5pivcrmxm5qqflgi8d";
-    executable = true;
-  };
-  bootstrapTools = import <nix/fetchurl.nix> {
-    # from job: https://hydra.nixos.org/job/nixpkgs/cross-trunk/bootstrapTools.armv5tel.dist/latest
-    # from build: https://hydra.nixos.org/build/114203025
-    url = "http://tarballs.nixos.org/stdenv-linux/armv5tel/0eb0ddc4dbe3cd5415c6b6e657538eb809fc3778/bootstrap-tools.tar.xz";
-    sha256 = "28327343db5ecc7f7811449ec69280d5867fa5d1d377cab0426beb9d4e059ed6";
-  };
-}
diff --git a/pkgs/stdenv/linux/bootstrap-files/armv6l-musl.nix b/pkgs/stdenv/linux/bootstrap-files/armv6l-musl.nix
deleted file mode 100644
index e445a7bba4d8f..0000000000000
--- a/pkgs/stdenv/linux/bootstrap-files/armv6l-musl.nix
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  busybox = import <nix/fetchurl.nix> {
-    url = "https://wdtz.org/files/xmz441m69qrlfdw47l2k10zf87fsya6r-stdenv-bootstrap-tools-armv6l-unknown-linux-musleabihf/on-server/busybox";
-    sha256 = "01d0hp1xgrriiy9w0sd9vbqzwxnpwiyah80pi4vrpcmbwji36j1i";
-    executable = true;
-  };
-  bootstrapTools = import <nix/fetchurl.nix> {
-    url = "https://wdtz.org/files/xmz441m69qrlfdw47l2k10zf87fsya6r-stdenv-bootstrap-tools-armv6l-unknown-linux-musleabihf/on-server/bootstrap-tools.tar.xz";
-    sha256 = "1r9mz9w8y5jd7gfwfsrvs20qarzxy7bvrp5dlm41hnx6z617if1h";
-  };
-}
diff --git a/pkgs/stdenv/linux/bootstrap-files/armv6l.nix b/pkgs/stdenv/linux/bootstrap-files/armv6l.nix
deleted file mode 100644
index 8bc99c64c6813..0000000000000
--- a/pkgs/stdenv/linux/bootstrap-files/armv6l.nix
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-  # Note: do not use Hydra as a source URL. Ask a member of the
-  # infrastructure team to mirror the job.
-  busybox = import <nix/fetchurl.nix> {
-    # from job: https://hydra.nixos.org/job/nixpkgs/cross-trunk/bootstrapTools.armv6l.dist/latest
-    # from build: https://hydra.nixos.org/build/114202834
-    url = "http://tarballs.nixos.org/stdenv-linux/armv6l/0eb0ddc4dbe3cd5415c6b6e657538eb809fc3778/busybox";
-    # note: the following hash is different than the above hash, due to executable = true
-    sha256 = "1q02537cq56wlaxbz3s3kj5vmh6jbm27jhvga6b4m4jycz5sxxp6";
-    executable = true;
-  };
-  bootstrapTools = import <nix/fetchurl.nix> {
-    # from job: https://hydra.nixos.org/job/nixpkgs/cross-trunk/bootstrapTools.armv6l.dist/latest
-    # from build: https://hydra.nixos.org/build/114202834
-    url = "http://tarballs.nixos.org/stdenv-linux/armv6l/0eb0ddc4dbe3cd5415c6b6e657538eb809fc3778/bootstrap-tools.tar.xz";
-    sha256 = "0810fe74f8cd09831f177d075bd451a66b71278d3cc8db55b07c5e38ef3fbf3f";
-  };
-}
diff --git a/pkgs/stdenv/linux/bootstrap-files/armv7l.nix b/pkgs/stdenv/linux/bootstrap-files/armv7l.nix
deleted file mode 100644
index 74d158452231f..0000000000000
--- a/pkgs/stdenv/linux/bootstrap-files/armv7l.nix
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-  # Note: do not use Hydra as a source URL. Ask a member of the
-  # infrastructure team to mirror the job.
-  busybox = import <nix/fetchurl.nix> {
-    # from job: https://hydra.nixos.org/job/nixpkgs/cross-trunk/bootstrapTools.armv7l.dist/latest
-    # from build: https://hydra.nixos.org/build/114203060
-    url = "http://tarballs.nixos.org/stdenv-linux/armv7l/0eb0ddc4dbe3cd5415c6b6e657538eb809fc3778/busybox";
-    # note: the following hash is different than the above hash, due to executable = true
-    sha256 = "18qc6w2yykh7nvhjklsqb2zb3fjh4p9r22nvmgj32jr1mjflcsjn";
-    executable = true;
-  };
-  bootstrapTools = import <nix/fetchurl.nix> {
-    # from job: https://hydra.nixos.org/job/nixpkgs/cross-trunk/bootstrapTools.armv7l.dist/latest
-    # from build: https://hydra.nixos.org/build/114203060
-    url = "http://tarballs.nixos.org/stdenv-linux/armv7l/0eb0ddc4dbe3cd5415c6b6e657538eb809fc3778/bootstrap-tools.tar.xz";
-    sha256 = "cf2968e8085cd3e6b3e9359624060ad24d253800ede48c5338179f6e0082c443";
-  };
-}
diff --git a/pkgs/stdenv/linux/bootstrap-files/i686.nix b/pkgs/stdenv/linux/bootstrap-files/i686.nix
deleted file mode 100644
index 112d37670c8cd..0000000000000
--- a/pkgs/stdenv/linux/bootstrap-files/i686.nix
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  busybox = import <nix/fetchurl.nix> {
-    url = "http://tarballs.nixos.org/stdenv-linux/i686/4907fc9e8d0d82b28b3c56e3a478a2882f1d700f/busybox";
-    sha256 = "ef4c1be6c7ae57e4f654efd90ae2d2e204d6769364c46469fa9ff3761195cba1";
-    executable = true;
-  };
-
-  bootstrapTools = import <nix/fetchurl.nix> {
-    url = "http://tarballs.nixos.org/stdenv-linux/i686/c5aabb0d603e2c1ea05f5a93b3be82437f5ebf31/bootstrap-tools.tar.xz";
-    sha256 = "b9bf20315f8c5c0411679c5326084420b522046057a0850367c67d9514794f1c";
-  };
-}
diff --git a/pkgs/stdenv/linux/bootstrap-files/loongson2f.nix b/pkgs/stdenv/linux/bootstrap-files/loongson2f.nix
deleted file mode 100644
index 8e22a274974a1..0000000000000
--- a/pkgs/stdenv/linux/bootstrap-files/loongson2f.nix
+++ /dev/null
@@ -1,44 +0,0 @@
-let
-
-  fetch = { file, sha256 }: import <nix/fetchurl.nix> {
-    url = "http://tarballs.nixos.org/stdenv-linux/loongson2f/r22849/${file}";
-    inherit sha256;
-    executable = true;
-  };
-
-in {
-  sh = fetch {
-    file = "sh";
-    sha256 = "02jjl49wdq85pgh61aqf78yaknn9mi3rcspbpk7hs9c4mida2rhf";
-  };
-
-  bzip2 = fetch {
-    file = "bzip2";
-    sha256 = "1qn27y3amj9c6mnjk2kyb59y0d2w4yv16z9apaxx91hyq19gf29z";
-  };
-
-  mkdir = fetch {
-    file = "mkdir";
-    sha256 = "1vbp2bv9hkyb2fwl8hjrffpywn1wrl1kc4yrwi2lirawlnc6kymh";
-  };
-
-  cpio = fetch {
-    file = "cpio";
-    sha256 = "0mqxwdx0sl7skxx6049mk35l7d0fnibqsv174284kdp4p7iixwa0";
-  };
-
-  ln = fetch {
-    file = "ln";
-    sha256 = "05lwx8qvga3yv8xhs8bjgsfygsfrcxsfck0lxw6gsdckx25fgi7s";
-  };
-
-  curl = fetch {
-    file = "curl.bz2";
-    sha256 = "0iblnz4my54gryac04i64fn3ksi9g3dx96yjq93fj39z6kx6151c";
-  };
-
-  bootstrapTools = {
-    url = "http://tarballs.nixos.org/stdenv-linux/loongson2f/r22849/cross-bootstrap-tools.cpio.bz2";
-    sha256 = "00aavbk76qjj2gdlmpaaj66r8nzl4d7pyl8cv1gigyzgpbr5vv3j";
-  };
-}
diff --git a/pkgs/stdenv/linux/bootstrap-files/x86_64-musl.nix b/pkgs/stdenv/linux/bootstrap-files/x86_64-musl.nix
deleted file mode 100644
index 98a65bd776453..0000000000000
--- a/pkgs/stdenv/linux/bootstrap-files/x86_64-musl.nix
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  busybox = import <nix/fetchurl.nix> {
-    url = "https://wdtz.org/files/gywxhjgl70sxippa0pxs0vj5qcgz1wi8-stdenv-bootstrap-tools/on-server/busybox";
-    sha256 = "0779c2wn00467h76xpqil678gfi1y2p57c7zq2d917jsv2qj5009";
-    executable = true;
-  };
-  bootstrapTools = import <nix/fetchurl.nix> {
-    url = "https://wdtz.org/files/gywxhjgl70sxippa0pxs0vj5qcgz1wi8-stdenv-bootstrap-tools/on-server/bootstrap-tools.tar.xz";
-    sha256 = "1dwiqw4xvnm0b5fdgl89lz2qq45f6s9icwxn6n6ams71xw0dbqyi";
-  };
-}
diff --git a/pkgs/stdenv/linux/bootstrap-files/x86_64.nix b/pkgs/stdenv/linux/bootstrap-files/x86_64.nix
deleted file mode 100644
index bdfa98c89cbc7..0000000000000
--- a/pkgs/stdenv/linux/bootstrap-files/x86_64.nix
+++ /dev/null
@@ -1,9 +0,0 @@
-# Use busybox for i686-linux since it works on x86_64-linux as well.
-(import ./i686.nix) //
-
-{
-  bootstrapTools = import <nix/fetchurl.nix> {
-    url = "http://tarballs.nixos.org/stdenv-linux/x86_64/c5aabb0d603e2c1ea05f5a93b3be82437f5ebf31/bootstrap-tools.tar.xz";
-    sha256 = "a5ce9c155ed09397614646c9717fc7cd94b1023d7b76b618d409e4fefd6e9d39";
-  };
-}
diff --git a/pkgs/stdenv/linux/default.nix b/pkgs/stdenv/linux/default.nix
index 1fbd3cba27ef2..59585a0498123 100644
--- a/pkgs/stdenv/linux/default.nix
+++ b/pkgs/stdenv/linux/default.nix
@@ -5,24 +5,13 @@
 # ensuring purity of components produced by it.
 { lib
 , localSystem, crossSystem, config, overlays, crossOverlays ? []
+, seeds ? import ../seeds.nix
+}:
 
-, bootstrapFiles ?
-  let table = {
-    glibc = {
-      i686-linux = import ./bootstrap-files/i686.nix;
-      x86_64-linux = import ./bootstrap-files/x86_64.nix;
-      armv5tel-linux = import ./bootstrap-files/armv5tel.nix;
-      armv6l-linux = import ./bootstrap-files/armv6l.nix;
-      armv7l-linux = import ./bootstrap-files/armv7l.nix;
-      aarch64-linux = import ./bootstrap-files/aarch64.nix;
-      mipsel-linux = import ./bootstrap-files/loongson2f.nix;
-    };
-    musl = {
-      aarch64-linux = import ./bootstrap-files/aarch64-musl.nix;
-      armv6l-linux  = import ./bootstrap-files/armv6l-musl.nix;
-      x86_64-linux  = import ./bootstrap-files/x86_64-musl.nix;
-    };
-  };
+assert crossSystem == localSystem;
+
+let
+  inherit (localSystem) system;
 
   # Try to find an architecture compatible with our current system. We
   # just try every bootstrap we’ve got and test to see if it is
@@ -32,17 +21,10 @@
     else if localSystem.isCompatible (lib.systems.elaborate { inherit system; }) then archLookupTable.${system}
     else null) null (lib.attrNames archLookupTable);
 
-  archLookupTable = table.${localSystem.libc}
+  archLookupTable = seeds.linux.${localSystem.libc}
     or (abort "unsupported libc for the pure Linux stdenv");
-  files = archLookupTable.${localSystem.system} or (if getCompatibleTools != null then getCompatibleTools
+  bootstrapFiles = archLookupTable.${system} or (if getCompatibleTools != null then getCompatibleTools
     else (abort "unsupported platform for the pure Linux stdenv"));
-  in files
-}:
-
-assert crossSystem == localSystem;
-
-let
-  inherit (localSystem) system;
 
   commonPreHook =
     ''
diff --git a/pkgs/stdenv/seeds.nix b/pkgs/stdenv/seeds.nix
new file mode 100644
index 0000000000000..01ec3fbc0e07c
--- /dev/null
+++ b/pkgs/stdenv/seeds.nix
@@ -0,0 +1,205 @@
+# ████████╗██╗  ██╗███████╗    ███████╗███████╗███████╗██████╗ ███████╗
+# ╚══██╔══╝██║  ██║██╔════╝    ██╔════╝██╔════╝██╔════╝██╔══██╗██╔════╝
+#    ██║   ███████║█████╗      ███████╗█████╗  █████╗  ██║  ██║███████╗
+#    ██║   ██╔══██║██╔══╝      ╚════██║██╔══╝  ██╔══╝  ██║  ██║╚════██║
+#    ██║   ██║  ██║███████╗    ███████║███████╗███████╗██████╔╝███████║
+#    ╚═╝   ╚═╝  ╚═╝╚══════╝    ╚══════╝╚══════╝╚══════╝╚═════╝ ╚══════╝
+#
+# These seeds are the binary blobs at the core of stdenv.
+
+let
+  fetchurl = import <nix/fetchurl.nix>;
+in
+rec {
+  darwin = {
+    aarch64 =
+      let
+        fetch = { file, sha256, executable ? true }: fetchurl {
+          url = "http://tarballs.nixos.org/stdenv-darwin/aarch64/20acd4c4f14040485f40e55c0a76c186aa8ca4f3/${file}";
+          inherit sha256 executable;
+        }; in
+      {
+        sh = fetch { file = "sh"; sha256 = "17m3xrlbl99j3vm7rzz3ghb47094dyddrbvs2a6jalczvmx7spnj"; };
+        bzip2 = fetch { file = "bzip2"; sha256 = "1khs8s5klf76plhlvlc1ma838r8pc1qigk9f5bdycwgbn0nx240q"; };
+        mkdir = fetch { file = "mkdir"; sha256 = "1m9nk90paazl93v43myv2ay68c1arz39pqr7lk5ddbgb177hgg8a"; };
+        cpio = fetch { file = "cpio"; sha256 = "17pxq61yjjvyd738fy9f392hc9cfzkl612sdr9rxr3v0dgvm8y09"; };
+        tarball = fetch { file = "bootstrap-tools.cpio.bz2"; sha256 = "1v2332k33akm6mrm4bj749rxnnmc2pkbgcslmd0bbkf76bz2ildy"; executable = false; };
+      };
+    x86_64 =
+      let
+        fetch = { file, sha256, executable ? true }: fetchurl {
+          url = "http://tarballs.nixos.org/stdenv-darwin/x86_64/05ef940b94fe76e7ac06ea45a625adc8e4be96f9/${file}";
+          inherit sha256 executable;
+        }; in
+      {
+        sh = fetch { file = "sh"; sha256 = "sha256-igMAVEfumFv/LUNTGfNi2nSehgTNIP4Sg+f3L7u6SMA="; };
+        bzip2 = fetch { file = "bzip2"; sha256 = "sha256-K3rhkJZipudT1Jgh+l41Y/fNsMkrPtiAsNRDha/lpZI="; };
+        mkdir = fetch { file = "mkdir"; sha256 = "sha256-VddFELwLDJGNADKB1fWwWPBtIAlEUgJv2hXRmC4NEeM="; };
+        cpio = fetch { file = "cpio"; sha256 = "sha256-SWkwvLaFyV44kLKL2nx720SvcL4ej/p2V/bX3uqAGO0="; };
+        tarball = fetch { file = "bootstrap-tools.cpio.bz2"; sha256 = "sha256-b65dXbIm6o6s6U8tAiGpR6SMfvfn/VFcZgTHBetJZis="; executable = false; };
+      };
+  };
+  linux = {
+    glibc = {
+      aarch64-linux = {
+        busybox = fetchurl {
+          url = "http://tarballs.nixos.org/stdenv-linux/aarch64/bb3ef8a95c9659596b8a34d27881cd30ffea2f9f/busybox";
+          sha256 = "12qcml1l67skpjhfjwy7gr10nc86gqcwjmz9ggp7knss8gq8pv7f";
+          executable = true;
+        };
+        bootstrapTools = fetchurl {
+          url = "http://tarballs.nixos.org/stdenv-linux/aarch64/c5aabb0d603e2c1ea05f5a93b3be82437f5ebf31/bootstrap-tools.tar.xz";
+          sha256 = "d3f1bf2a1495b97f45359d5623bdb1f8eb75db43d3bf2059fc127b210f059358";
+        };
+      };
+      armv5tel-linux = {
+        # Note: do not use Hydra as a source URL. Ask a member of the
+        # infrastructure team to mirror the job.
+        busybox = fetchurl {
+          # from job: https://hydra.nixos.org/job/nixpkgs/cross-trunk/bootstrapTools.armv5tel.dist/latest
+          # from build: https://hydra.nixos.org/build/114203025
+          url = "http://tarballs.nixos.org/stdenv-linux/armv5tel/0eb0ddc4dbe3cd5415c6b6e657538eb809fc3778/busybox";
+          # note: the following hash is different than the above hash, due to executable = true
+          sha256 = "0qxp2fsvs4phbc17g9npj9bsm20ylr8myi5pivcrmxm5qqflgi8d";
+          executable = true;
+        };
+        bootstrapTools = fetchurl {
+          # from job: https://hydra.nixos.org/job/nixpkgs/cross-trunk/bootstrapTools.armv5tel.dist/latest
+          # from build: https://hydra.nixos.org/build/114203025
+          url = "http://tarballs.nixos.org/stdenv-linux/armv5tel/0eb0ddc4dbe3cd5415c6b6e657538eb809fc3778/bootstrap-tools.tar.xz";
+          sha256 = "28327343db5ecc7f7811449ec69280d5867fa5d1d377cab0426beb9d4e059ed6";
+        };
+      };
+      armv6l-linux = {
+        # Note: do not use Hydra as a source URL. Ask a member of the
+        # infrastructure team to mirror the job.
+        busybox = fetchurl {
+          # from job: https://hydra.nixos.org/job/nixpkgs/cross-trunk/bootstrapTools.armv6l.dist/latest
+          # from build: https://hydra.nixos.org/build/114202834
+          url = "http://tarballs.nixos.org/stdenv-linux/armv6l/0eb0ddc4dbe3cd5415c6b6e657538eb809fc3778/busybox";
+          # note: the following hash is different than the above hash, due to executable = true
+          sha256 = "1q02537cq56wlaxbz3s3kj5vmh6jbm27jhvga6b4m4jycz5sxxp6";
+          executable = true;
+        };
+        bootstrapTools = fetchurl {
+          # from job: https://hydra.nixos.org/job/nixpkgs/cross-trunk/bootstrapTools.armv6l.dist/latest
+          # from build: https://hydra.nixos.org/build/114202834
+          url = "http://tarballs.nixos.org/stdenv-linux/armv6l/0eb0ddc4dbe3cd5415c6b6e657538eb809fc3778/bootstrap-tools.tar.xz";
+          sha256 = "0810fe74f8cd09831f177d075bd451a66b71278d3cc8db55b07c5e38ef3fbf3f";
+        };
+      };
+      armv7l-linux = {
+        # Note: do not use Hydra as a source URL. Ask a member of the
+        # infrastructure team to mirror the job.
+        busybox = fetchurl {
+          # from job: https://hydra.nixos.org/job/nixpkgs/cross-trunk/bootstrapTools.armv7l.dist/latest
+          # from build: https://hydra.nixos.org/build/114203060
+          url = "http://tarballs.nixos.org/stdenv-linux/armv7l/0eb0ddc4dbe3cd5415c6b6e657538eb809fc3778/busybox";
+          # note: the following hash is different than the above hash, due to executable = true
+          sha256 = "18qc6w2yykh7nvhjklsqb2zb3fjh4p9r22nvmgj32jr1mjflcsjn";
+          executable = true;
+        };
+        bootstrapTools = fetchurl {
+          # from job: https://hydra.nixos.org/job/nixpkgs/cross-trunk/bootstrapTools.armv7l.dist/latest
+          # from build: https://hydra.nixos.org/build/114203060
+          url = "http://tarballs.nixos.org/stdenv-linux/armv7l/0eb0ddc4dbe3cd5415c6b6e657538eb809fc3778/bootstrap-tools.tar.xz";
+          sha256 = "cf2968e8085cd3e6b3e9359624060ad24d253800ede48c5338179f6e0082c443";
+        };
+      };
+
+      i686-linux = {
+        busybox = fetchurl {
+          url = "http://tarballs.nixos.org/stdenv-linux/i686/4907fc9e8d0d82b28b3c56e3a478a2882f1d700f/busybox";
+          sha256 = "ef4c1be6c7ae57e4f654efd90ae2d2e204d6769364c46469fa9ff3761195cba1";
+          executable = true;
+        };
+        bootstrapTools = fetchurl {
+          url = "http://tarballs.nixos.org/stdenv-linux/i686/c5aabb0d603e2c1ea05f5a93b3be82437f5ebf31/bootstrap-tools.tar.xz";
+          sha256 = "b9bf20315f8c5c0411679c5326084420b522046057a0850367c67d9514794f1c";
+        };
+      };
+      mipsel-linux =
+        let
+          fetch = { file, sha256 }: fetchurl {
+            url = "http://tarballs.nixos.org/stdenv-linux/loongson2f/r22849/${file}";
+            inherit sha256;
+            executable = true;
+          };
+        in
+        {
+          sh = fetch {
+            file = "sh";
+            sha256 = "02jjl49wdq85pgh61aqf78yaknn9mi3rcspbpk7hs9c4mida2rhf";
+          };
+          bzip2 = fetch {
+            file = "bzip2";
+            sha256 = "1qn27y3amj9c6mnjk2kyb59y0d2w4yv16z9apaxx91hyq19gf29z";
+          };
+          mkdir = fetch {
+            file = "mkdir";
+            sha256 = "1vbp2bv9hkyb2fwl8hjrffpywn1wrl1kc4yrwi2lirawlnc6kymh";
+          };
+          cpio = fetch {
+            file = "cpio";
+            sha256 = "0mqxwdx0sl7skxx6049mk35l7d0fnibqsv174284kdp4p7iixwa0";
+          };
+          ln = fetch {
+            file = "ln";
+            sha256 = "05lwx8qvga3yv8xhs8bjgsfygsfrcxsfck0lxw6gsdckx25fgi7s";
+          };
+          curl = fetch {
+            file = "curl.bz2";
+            sha256 = "0iblnz4my54gryac04i64fn3ksi9g3dx96yjq93fj39z6kx6151c";
+          };
+          bootstrapTools = fetchurl {
+            url = "http://tarballs.nixos.org/stdenv-linux/loongson2f/r22849/cross-bootstrap-tools.cpio.bz2";
+            sha256 = "00aavbk76qjj2gdlmpaaj66r8nzl4d7pyl8cv1gigyzgpbr5vv3j";
+          };
+        };
+      x86_64-linux =
+        # Use busybox for i686-linux since it works on x86_64-linux as well.
+        linux.glibc.i686-linux //
+        {
+          bootstrapTools = fetchurl {
+            url = "http://tarballs.nixos.org/stdenv-linux/x86_64/c5aabb0d603e2c1ea05f5a93b3be82437f5ebf31/bootstrap-tools.tar.xz";
+            sha256 = "a5ce9c155ed09397614646c9717fc7cd94b1023d7b76b618d409e4fefd6e9d39";
+          };
+        };
+    };
+    musl = {
+      aarch64-linux = {
+        busybox = fetchurl {
+          url = "https://wdtz.org/files/wjzsj9cmdkc70f78yh072483x8656nci-stdenv-bootstrap-tools-aarch64-unknown-linux-musl/on-server/busybox";
+          sha256 = "01s6bwq84wyrjh3rdsgxni9gkzp7ss8rghg0cmp8zd87l79y8y4g";
+          executable = true;
+        };
+        bootstrapTools = fetchurl {
+          url = "https://wdtz.org/files/wjzsj9cmdkc70f78yh072483x8656nci-stdenv-bootstrap-tools-aarch64-unknown-linux-musl/on-server/bootstrap-tools.tar.xz";
+          sha256 = "0pbqrw9z4ifkijpfpx15l2dzi00rq8c5zg9ghimz5qgr5dx7f7cl";
+        };
+      };
+      armv6l-linux = {
+        busybox = fetchurl {
+          url = "https://wdtz.org/files/xmz441m69qrlfdw47l2k10zf87fsya6r-stdenv-bootstrap-tools-armv6l-unknown-linux-musleabihf/on-server/busybox";
+          sha256 = "01d0hp1xgrriiy9w0sd9vbqzwxnpwiyah80pi4vrpcmbwji36j1i";
+          executable = true;
+        };
+        bootstrapTools = fetchurl {
+          url = "https://wdtz.org/files/xmz441m69qrlfdw47l2k10zf87fsya6r-stdenv-bootstrap-tools-armv6l-unknown-linux-musleabihf/on-server/bootstrap-tools.tar.xz";
+          sha256 = "1r9mz9w8y5jd7gfwfsrvs20qarzxy7bvrp5dlm41hnx6z617if1h";
+        };
+      };
+      x86_64-linux = {
+        busybox = fetchurl {
+          url = "https://wdtz.org/files/gywxhjgl70sxippa0pxs0vj5qcgz1wi8-stdenv-bootstrap-tools/on-server/busybox";
+          sha256 = "0779c2wn00467h76xpqil678gfi1y2p57c7zq2d917jsv2qj5009";
+          executable = true;
+        };
+        bootstrapTools = fetchurl {
+          url = "https://wdtz.org/files/gywxhjgl70sxippa0pxs0vj5qcgz1wi8-stdenv-bootstrap-tools/on-server/bootstrap-tools.tar.xz";
+          sha256 = "1dwiqw4xvnm0b5fdgl89lz2qq45f6s9icwxn6n6ams71xw0dbqyi";
+        };
+      };
+    };
+  };
+}
diff --git a/pkgs/top-level/impure.nix b/pkgs/top-level/impure.nix
index 6f7383c8e7a05..eab831aa6ff75 100644
--- a/pkgs/top-level/impure.nix
+++ b/pkgs/top-level/impure.nix
@@ -72,6 +72,8 @@ in
 
 , crossOverlays ? []
 
+, seeds ? import ../stdenv/seeds.nix
+
 , ...
 } @ args: