From b72f6ba9f7a6987f184ac510491e452c3ea855b1 Mon Sep 17 00:00:00 2001
From: Ben Sima <ben@bsima.me>
Date: Tue, 24 May 2022 18:21:20 -0400
Subject: Init urbit harbor

This is mostly stubbed out and needs some work to be functional... the idea is
to run urbit ships as systemd services, and provide a simple interface for
managing them.
---
 Urbit/Ship.nix | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 Urbit/Ship.nix

(limited to 'Urbit/Ship.nix')

diff --git a/Urbit/Ship.nix b/Urbit/Ship.nix
new file mode 100644
index 0000000..ec6a9ec
--- /dev/null
+++ b/Urbit/Ship.nix
@@ -0,0 +1,44 @@
+{ bild ? import ../Biz/Bild.nix {}
+}:
+
+# This represents a single ship running in a container.
+
+let
+  # bootstrap & startup process, expects two files:
+  # - /ship.name: containing a ship name like 'sampel-palnet'
+  # - /ship.key: containing the key
+  urbit-start = bild.pkgs.writeScript "urbit-start" ''
+    #!${bild.pkgs.runtimeShell}
+    set -xeuo pipefail
+
+    ship=$(cat /ship.name)
+    pier="/$ship"
+
+    if [ -d "$pier" ]; then
+      # pack pier if it exists, to save space
+      /bin/urbit-worker pack "$pier"
+    else
+      # otherwise, setup
+      /bin/urbit -c "$pier" -k /ship.key -x
+    fi
+
+    /bin/urbit -tq "$pier"
+  '';
+in bild.image {
+  name = "urbit-ship";
+  tag = "latest";
+
+  fromImage = null; # scratch
+
+  contents = bild.pkgs.urbit;
+
+  config = {
+    Cmd = [
+      "${urbit-start}"
+    ];
+    WorkingDir = "/";
+    Volumes = {
+      "/" = { };
+    };
+  };
+}
-- 
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