1 files changed, 47 insertions, 0 deletions
diff --git a/hosts.nix b/hosts.nix
new file mode 100644
index 0000000..e7bf6b1
--- /dev/null
+++ b/hosts.nix
@@ -0,0 +1,47 @@
+let
+  hosts = {
+    turing = {
+      user = "grace";
+      home = "/Users/grace";
+      system = "aarch64-darwin";
+      type = "darwin";
+    };
+
+    "cs.purdue.edu" = {
+      user = "yoder177";
+      home = "/homes/yoder177";
+      system = "x86_64-linux";
+      type = "home";
+    };
+
+    vulcan = {
+      user = "scie";
+      home = "/home/scie";
+      system = "x86_64-linux";
+      type = "home";
+    };
+
+    dijkstra = {
+      user = "scie";
+      home = "/home/scie";
+      system = "x86_64-linux";
+      type = "home";
+    };
+
+    knuth = {
+      user = "grace";
+      home = "/home/scie";
+      system = "x86_64-linux";
+      type = "nixos";
+    };
+  };
+
+  hostname = builtins.getEnv "NIX_HOST";
+  name =
+    if builtins.match "(.+\\.)?cs\\.purdue\\.edu" hostname != null then
+      "cs.purdue.edu"
+    else
+      builtins.head (builtins.split "\\." hostname);
+in
+(hosts.${name} or (throw "Set NIX_HOST to a host in hosts.nix (got '${hostname}')."))
+// { inherit name; }