phase 2: promote services/, tests/, patches/, lib/, scripts/

lib/overlays.nix

@@ -0,0 +1,78 @@
+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";
+      }
+    );
+  };
+
+  jellyfin-exporter = prev.buildGoModule rec {
+    pname = "jellyfin-exporter";
+    version = "unstable-2025-03-27";
+    src = prev.fetchFromGitHub {
+      owner = "rebelcore";
+      repo = "jellyfin_exporter";
+      rev = "8e3970cb1bdf3cb21fac099c13072bb7c1b20cf9";
+      hash = "sha256-wDnhepYj1MyLRZlwKfmwf4xiEEL3mgQY6V+7TnBd0MY=";
+    };
+    vendorHash = "sha256-e08u10e/wNapNZSsD/fGVN9ybMHe3sW0yDIOqI8ZcYs=";
+    # upstream tests require a running Jellyfin instance
+    doCheck = false;
+    meta.mainProgram = "jellyfin_exporter";
+  };
+
+  igpu-exporter = prev.buildGoModule rec {
+    pname = "igpu-exporter";
+    version = "unstable-2025-03-27";
+    src = prev.fetchFromGitHub {
+      owner = "mike1808";
+      repo = "igpu-exporter";
+      rev = "db2dace1a895c2b950f6d3ba1a2e46729251d124";
+      hash = "sha256-xWTiu26UzTZIK/6jeda+x6VePUgoWTS0AekejFdgFWs=";
+    };
+    vendorHash = "sha256-oeCSKwDKVwvYQ1fjXXTwQSXNl/upDE3WAAk680vqh3U=";
+    subPackages = [ "cmd" ];
+    postInstall = ''
+      mv $out/bin/cmd $out/bin/igpu-exporter
+    '';
+    meta.mainProgram = "igpu-exporter";
+  };
+}