Fixup bug with zfs replication

flake.nix

@@ -43,6 +43,7 @@
           system = "x86_64-linux";
           specialArgs = { inherit unstablePkgs updatePkgs nixos-hardware; };
           modules = [
+            { nixpkgs.overlays = [ (import ./overlays/zfs-replicate.nix) ]; }
             ./hosts/axl/configuration.nix
             home-manager.nixosModules.home-manager
             {

overlays/zfs-replicate-env-fix.patch

@@ -0,0 +1,74 @@
+diff --git a/zfs/replicate/filesystem/create.py b/zfs/replicate/filesystem/create.py
+index 0349159..f98831c 100644
+--- a/zfs/replicate/filesystem/create.py
++++ b/zfs/replicate/filesystem/create.py
+@@ -50,4 +50,4 @@ def create(filesystem: FileSystem, ssh_command: str) -> None:
+
+
+ def _create(filesystem: str) -> str:
+-    return f"/usr/bin/env - zfs create -o readonly=on {filesystem}"
++    return f"/usr/bin/env zfs create -o readonly=on {filesystem}"
+diff --git a/zfs/replicate/filesystem/destroy.py b/zfs/replicate/filesystem/destroy.py
+index 7e590d5..dd1b75a 100644
+--- a/zfs/replicate/filesystem/destroy.py
++++ b/zfs/replicate/filesystem/destroy.py
+@@ -21,4 +21,4 @@ def destroy(filesystem: FileSystem, ssh_command: str) -> None:
+
+
+ def _destroy(filesystem: FileSystem) -> str:
+-    return f"/usr/bin/env - zfs destroy -r '{filesystem}'"
++    return f"/usr/bin/env zfs destroy -r '{filesystem}'"
+diff --git a/zfs/replicate/filesystem/list.py b/zfs/replicate/filesystem/list.py
+index 5e892e6..f33e11e 100644
+--- a/zfs/replicate/filesystem/list.py
++++ b/zfs/replicate/filesystem/list.py
+@@ -42,7 +42,7 @@ def list(  # pylint: disable=W0622
+ def _list(filesystem: FileSystem) -> str:
+     options = ["-H", "-o name,readonly", "-t filesystem,volume", "-r"]
+
+-    return f"/usr/bin/env - zfs list {' '.join(options)} '{filesystem.name}'"
++    return f"/usr/bin/env zfs list {' '.join(options)} '{filesystem.name}'"
+
+
+ def _filesystems(zfs_list_output: bytes) -> List[FileSystem]:
+diff --git a/zfs/replicate/snapshot/destroy.py b/zfs/replicate/snapshot/destroy.py
+index a2558b1..2a92360 100644
+--- a/zfs/replicate/snapshot/destroy.py
++++ b/zfs/replicate/snapshot/destroy.py
+@@ -21,4 +21,4 @@ def destroy(snapshot: Snapshot, ssh_command: str) -> None:
+
+
+ def _destroy(snapshot: Snapshot) -> str:
+-    return f"/usr/bin/env - zfs destroy '{snapshot.filesystem.name}@{snapshot.name}'"
++    return f"/usr/bin/env zfs destroy '{snapshot.filesystem.name}@{snapshot.name}'"
+diff --git a/zfs/replicate/snapshot/list.py b/zfs/replicate/snapshot/list.py
+index 033f6ee..c29abac 100644
+--- a/zfs/replicate/snapshot/list.py
++++ b/zfs/replicate/snapshot/list.py
+@@ -45,7 +45,7 @@ def _list(filesystem: FileSystem, recursive: bool) -> str:  # pylint: disable=W0
+     if not recursive:
+         options.append("-d 1")
+
+-    return f"/usr/bin/env - zfs list {' '.join(options)} '{filesystem.name}'"
++    return f"/usr/bin/env zfs list {' '.join(options)} '{filesystem.name}'"
+
+
+ def _snapshots(zfs_list_output: bytes) -> List[Snapshot]:
+diff --git a/zfs/replicate/snapshot/send.py b/zfs/replicate/snapshot/send.py
+index 9ebe9f2..20e4c08 100644
+--- a/zfs/replicate/snapshot/send.py
++++ b/zfs/replicate/snapshot/send.py
+@@ -62,9 +62,9 @@ def _send(
+     if previous is not None:
+         options.append(f"-i '{previous.filesystem.name}@{previous.name}'")
+
+-    return f"/usr/bin/env - zfs send {' '.join(options)} '{current.filesystem.name}@{current.name}'"
++    return f"/usr/bin/env zfs send {' '.join(options)} '{current.filesystem.name}@{current.name}'"
+
+
+ def _receive(remote: FileSystem, current: Snapshot, decompress_command: str) -> str:
+     destination = filesystem.remote_dataset(remote, current.filesystem)
+-    return f"{decompress_command}/usr/bin/env - zfs receive -F -d '{destination.name}'"
++    return f"{decompress_command}/usr/bin/env zfs receive -F -d '{destination.name}'"
+--
+2.51.2

overlays/zfs-replicate.nix

@@ -0,0 +1,7 @@
+final: prev: {
+  zfs-replicate = prev.zfs-replicate.overrideAttrs (oldAttrs: {
+    patches = (oldAttrs.patches or []) ++ [
+      ./zfs-replicate-env-fix.patch
+    ];
+  });
+}