Justfile

@@ -144,6 +144,43 @@ update-this-device rebuild-mode='switch':
 
 	git commit -v ${outfile} -m "nix/os/devices/$(hostname -s): bump versions"
 
+# Rebuild an offline system
+rebuild-disk device:
+	#!/usr/bin/env bash
+	set -xe
+
+	just -v disk-mount {{device}}
+	just -v disk-install {{device}}
+	just -v disk-umount {{device}}
+
+# Re-render the versions of the given offline system and reinstall it in offline-mode
+update-disk dir:
+	#!/usr/bin/env bash
+	set -exuo pipefail
+
+	dir={{dir}}
+
+	template={{dir}}/versions.tmpl.nix
+	outfile={{dir}}/versions.nix
+
+	if ! test -e ${template}; then
+		template="$(just _DEFAULT_VERSION_TMPL)"
+	fi
+
+	esh -o ${outfile} ${template}
+	if ! test "$(git diff ${outfile})"; then
+		echo Already on latest versions
+		exit 0
+	fi
+
+	export SYSREBUILD_LOG=.{{dir}}_sysrebuild.log
+	just -v rebuild-disk {{dir}} || {
+		echo ERROR: Update of {{dir}} failed, reverting ${outfile}...
+		exit 1
+	}
+
+	git commit -v ${outfile} -m "${dir}: bump versions"
+
 # Iterate on a qtile config by running it inside Xephyr. (un-/grab the mouse with Ctrl + Shift-L)
 hm-iterate-qtile:
 	#!/usr/bin/env bash

nix/home-manager/configuration/graphical-fullblown.nix

@@ -131,6 +131,7 @@ in {
       aspellDicts.en
       aspellDicts.de
       skype
+      unstablepkgs.jitsi-meet-electron
       zoom-us # broken as of 2019-10-30
       bluejeans-gui
       thunderbird

nix/os/devices/steveej-rmvbl-sdep0/versions.nix

@@ -1,20 +1,20 @@
 {
   channelsNixosStable = {
-    ref = "nixos-19.09";
-    rev = "e6d584f6dd22b587d5cdf5019f5e7dd2be370f61";
+    ref = "nixos-20.03";
+    rev = "5659cb448e9b615d642c5fe52779c2223e72f7eb";
   };
   channelsNixosUnstable = {
     ref = "nixos-unstable";
-    rev = "41d921292e922a6cd1aba64259341c244d4c2cc7";
+    rev = "daaa0e33505082716beb52efefe3064f0332b521";
   };
   nixpkgsMaster = {
     url = "https://github.com/NixOS/nixpkgs/";
     ref = "master";
-    rev = "a6934e36534f8a87a78f877eee65c08fa9867ba5";
+    rev = "55dc3b76f0ca1dd62d158b92a637fe484df5227d";
   };
   homeManagerModule = {
     url = "https://github.com/rycee/home-manager";
-    ref = "master";
-    rev = "286dd9b3088298e5a4625b517f8e72b1c62e4f74";
+    ref = "release-20.03";
+    rev = "e6f96b6aa3e99495f9f6f3488ecf78dd316e5bec";
   };
 }