From 873a9c562b732c4d33bab549932bd06100110478 Mon Sep 17 00:00:00 2001
From: Aleksandr Lebedev <alex.lebedev2003@icloud.com>
Date: Tue, 29 Jul 2025 08:45:48 +0200
Subject: [PATCH] Hibernation? + battery widget fix for framework 12

---
 disko/impermanence-btrfs-luks.nix             |  3 +-
 nixos/homes/kylekrein/battery-status.nix      | 31 ++++++++++++++++---
 nixos/hosts/kylekrein-framework12/default.nix |  8 ++---
 .../kylekrein-framework12/hibernation.nix     | 18 +++++++++++
 4 files changed, 47 insertions(+), 13 deletions(-)
 create mode 100644 nixos/hosts/kylekrein-framework12/hibernation.nix

diff --git a/disko/impermanence-btrfs-luks.nix b/disko/impermanence-btrfs-luks.nix
index 473adf3..3ed0aac 100644
--- a/disko/impermanence-btrfs-luks.nix
+++ b/disko/impermanence-btrfs-luks.nix
@@ -1,4 +1,4 @@
-{ device ? throw "Set this to your disk device, e.g. /dev/sda", ... }:
+{device ? throw "Set this to your disk device, e.g. /dev/sda", ...}:
 # IMPORTANT
 # Calculate offset using https://wiki.archlinux.org/title/Power_management/Suspend_and_hibernate#Acquire_swap_file_offset
 # AND create this config
@@ -10,7 +10,6 @@
 #    resumeDevice = "/dev/disk/by-label/nixos";
 #  };
 #}
-
 {
   disko.devices = {
     disk = {
diff --git a/nixos/homes/kylekrein/battery-status.nix b/nixos/homes/kylekrein/battery-status.nix
index e9f93d9..997123c 100644
--- a/nixos/homes/kylekrein/battery-status.nix
+++ b/nixos/homes/kylekrein/battery-status.nix
@@ -6,7 +6,12 @@
   battery-path = "/sys/class/power_supply/${
     if hwconfig.hostname == "kylekrein-mac"
     then "macsmc-battery"
-    else "BAT0"
+    else
+      (
+        if hwconfig.hostname == "kylekrein-framework12"
+        then "BAT1"
+        else "BAT0"
+      )
   }";
   get-battery-level = "${pkgs.writeShellScriptBin "get-battery-level" ''
     cat ${battery-path}/capacity 2>/dev/null || echo "N/A"
@@ -60,11 +65,27 @@
     echo "$ICON"
   ''}/bin/get-icon";
   get-remaining-time = "${pkgs.writeShellScriptBin "get-remaining-time" ''
-    REMAINING_ENERGY=$(cat ${battery-path}/energy_now)
-    POWER_USAGE=$(cat ${battery-path}/power_now)
+    REMAINING_ENERGY=$(cat ${battery-path}/${
+      if hwconfig == "kylekrein-mac"
+      then "energy_now"
+      else "charge_now"
+    })
+    POWER_USAGE=$(cat ${battery-path}/${
+      if hwconfig.hostname == "kylekrein-mac"
+      then "power_now"
+      else "current_now"
+    })
     if [[ -n "$REMAINING_ENERGY" && -n "$POWER_USAGE" && "$POWER_USAGE" -ne 0 ]]; then
-        TIME_LEFT=$((0 - (REMAINING_ENERGY / POWER_USAGE)))
-        MINUTES_LEFT=$(((0 - ( (REMAINING_ENERGY * 60) / POWER_USAGE )) - (TIME_LEFT * 60)))
+        TIME_LEFT=$((${
+      if hwconfig.hostname == "kylekrein-mac"
+      then "0 - "
+      else ""
+    }(REMAINING_ENERGY / POWER_USAGE)))
+        MINUTES_LEFT=$(((${
+      if hwconfig.hostname == "kylekrein-mac"
+      then "0 - "
+      else ""
+    }( (REMAINING_ENERGY * 60) / POWER_USAGE )) - (TIME_LEFT * 60)))
         echo "$TIME_LEFT h $MINUTES_LEFT min"
     else
         echo ""
diff --git a/nixos/hosts/kylekrein-framework12/default.nix b/nixos/hosts/kylekrein-framework12/default.nix
index b9aab7a..f88e1c3 100644
--- a/nixos/hosts/kylekrein-framework12/default.nix
+++ b/nixos/hosts/kylekrein-framework12/default.nix
@@ -19,13 +19,9 @@
     (import ../../modules/libvirt/user.nix {username = "kylekrein";})
 
     ../../users/tania
+
+    ./hibernation.nix
   ];
-  boot = {
-  #  kernelParams = [
-  #    "resume_offset=YOUR_OFFSET"
-  #  ];
- #   resumeDevice = "/dev/disk/by-label/nixos";
-  };
 
   sops.secrets."ssh_keys/${hwconfig.hostname}" = {};
   services.fwupd.enable = true; #fwupdmgr update
diff --git a/nixos/hosts/kylekrein-framework12/hibernation.nix b/nixos/hosts/kylekrein-framework12/hibernation.nix
new file mode 100644
index 0000000..e16cf8e
--- /dev/null
+++ b/nixos/hosts/kylekrein-framework12/hibernation.nix
@@ -0,0 +1,18 @@
+{pkgs, ...}: {
+  boot = {
+    kernelParams = [
+      "resume_offset=533760"
+      "mem_sleep_default=deep"
+    ];
+    resumeDevice = "/dev/disk/by-label/nixos";
+  };
+  services.logind = {
+    lidSwitch = "suspend-then-hibernate";
+    powerKey = "suspend-then-hibernate";
+    powerKeyLongPress = "poweroff";
+  };
+  systemd.sleep.extraConfig = ''
+    HibernateDelaySec=30m
+    SuspendState=mem
+  '';
+}