organize

modules/overlays.nix

@@ -0,0 +1,46 @@
+final: prev: {
+  ensureZfsMounts = prev.writeShellApplication {
+    name = "zfsEnsureMounted";
+    runtimeInputs = with prev; [
+      zfs
+      gawk
+      coreutils
+    ];
+
+    text = ''
+       #!/bin/sh
+
+       if [[ "$#" -eq "0" ]]; then
+          echo "no arguments passed"
+          exit 1
+       fi
+
+      MOUNTED=$(zfs list -o mountpoint,mounted -H | awk '$NF == "yes" {NF--; print}')
+
+       MISSING=""
+       for target in "$@"; do
+          if ! grep -Fxq "$target" <<< "$MOUNTED"; then
+             MISSING="$MISSING $target"
+          fi
+       done
+
+       if [[ -n "$MISSING" ]]; then
+          echo "FAILURE, missing:$MISSING" 1>&2
+          exit 1
+       fi
+    '';
+  };
+
+  reflac = prev.writeShellApplication {
+    name = "reflac";
+    runtimeInputs = with prev; [ flac ];
+    excludeShellChecks = [ "2086" ];
+
+    text = builtins.readFile (
+      prev.fetchurl {
+        url = "https://raw.githubusercontent.com/chungy/reflac/refs/heads/master/reflac";
+        sha256 = "61c6cc8be3d276c6714e68b55e5de0e6491f50bbf195233073dbce14a1e278a7";
+      }
+    );
+  };
+}