From 24afb851945e99f4d14d79b5a0aa1f8a54bd1b9f Mon Sep 17 00:00:00 2001
From: Daniel Langbein <daniel@systemli.org>
Date: Fri, 28 Feb 2025 16:05:00 +0100
Subject: [PATCH 1/3] daily backup: wait until nix-gc has finished

---
 hosts/yodaHedgehog/host-specific.nix | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/hosts/yodaHedgehog/host-specific.nix b/hosts/yodaHedgehog/host-specific.nix
index a86e085..7f6e889 100644
--- a/hosts/yodaHedgehog/host-specific.nix
+++ b/hosts/yodaHedgehog/host-specific.nix
@@ -127,6 +127,16 @@ in
         sleep 60s
       done
 
+      # Wait until no nix garbage collection service is running.
+      while :; do
+        running_services="$(systemctl list-units --type=service --plain --quiet | awk '{ print $1 }')"
+        if ! printf '%s' "''${running_services}" | grep '^nix-gc.service$'; then
+          break;
+        fi
+        printf '%s\n' 'Delaying suspend due to running nix garbage collection service.'
+        sleep 60s
+      done
+
       # Send filtered journal by email.
       systemctl start journalwatch.service ||:
       # Send notification by email.

From a53052d0a48eb40cf35cb8fe9c4c51e488b69cd1 Mon Sep 17 00:00:00 2001
From: Daniel Langbein <daniel@systemli.org>
Date: Fri, 28 Feb 2025 16:07:40 +0100
Subject: [PATCH 2/3] docs: local-llm

---
 modules/local-llm.nix | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/modules/local-llm.nix b/modules/local-llm.nix
index 6f3d388..ee7c63a 100644
--- a/modules/local-llm.nix
+++ b/modules/local-llm.nix
@@ -12,6 +12,7 @@ in
     #  # https://ollama.com/library/deepseek-r1
     #  "deepseek-r1:32b"
     #  "deepseek-r1:14b"
+    #  "deepseek-r1:7b"
     #];
   };
 
@@ -36,7 +37,18 @@ in
   #
   # https://docs.openwebui.com/getting-started/quick-start
   # Admin Creation: The first account created on Open WebUI gains Administrator privileges, controlling user management and system settings.
-#  services.open-webui.enable = true;
+  #
+  #services.open-webui = {
+    #enable = true;
+    #package = pkgs.unstable.open-webui; # TODO back to stable nixpkgs
+    #port = 8080;
+
+    # Share via LAN
+    #
+    # Temporarily open firewall
+    #   sudo nixos-firewall-tool open tcp 8080 && ip addr | grep 192
+    #host = "0.0.0.0"; # Also listen to connections from other hosts
+  #};
 
   # Web-UI
 #  services.nextjs-ollama-llm-ui = {

From e6629532002b39e8d88510f8f7b18c5a75cc52f4 Mon Sep 17 00:00:00 2001
From: Daniel Langbein <daniel@systemli.org>
Date: Fri, 28 Feb 2025 16:10:17 +0100
Subject: [PATCH 3/3] chore

---
 nix/sources.json | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/nix/sources.json b/nix/sources.json
index 90af9b7..23e9264 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -5,10 +5,10 @@
         "homepage": "https://nur.nix-community.org/",
         "owner": "nix-community",
         "repo": "NUR",
-        "rev": "8fa0d624799c0f18bf123e10cf597d523aebcca8",
-        "sha256": "1xy8h30yabsdwjki883n9s6cbm3i18k3v07jd8ym0n936h5hjb5c",
+        "rev": "3b265947efc7c05a5a31618e166edd632b45e699",
+        "sha256": "1wxcdjb05izxqaqlh2m5gk9fxzb1kv1lg7g9yfhbs9fh9iz2jh6f",
         "type": "tarball",
-        "url": "https://github.com/nix-community/NUR/archive/8fa0d624799c0f18bf123e10cf597d523aebcca8.tar.gz",
+        "url": "https://github.com/nix-community/NUR/archive/3b265947efc7c05a5a31618e166edd632b45e699.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "home-manager": {
@@ -41,10 +41,10 @@
         "homepage": null,
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "04ef94c4c1582fd485bbfdb8c4a8ba250e359195",
-        "sha256": "0lc189m0s912qyzhqrd08rn7gvlxv9xlp8pfkr2wg18h93ng1fki",
+        "rev": "f44bd8ca21e026135061a0a57dcf3d0775b67a49",
+        "sha256": "1bi5ikc0h83rh163qs19hr2b2p53f8kxlrrbz206q0fh31m5mrdp",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/04ef94c4c1582fd485bbfdb8c4a8ba250e359195.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/f44bd8ca21e026135061a0a57dcf3d0775b67a49.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "rust-overlay": {
@@ -53,10 +53,10 @@
         "homepage": "",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "7c5892ad87b90d72668964975eebd4e174ff6204",
-        "sha256": "0s3jyjiqiymk57spg327c5v82wfqshh0w6sfv36xa4kfdx7jv4az",
+        "rev": "b4270835bf43c6f80285adac6f66a26d83f0f277",
+        "sha256": "1pdfrl47nijxj0plr81iisci9f7dmcr5hn890fzpcpn8qpw7xlg1",
         "type": "tarball",
-        "url": "https://github.com/oxalica/rust-overlay/archive/7c5892ad87b90d72668964975eebd4e174ff6204.tar.gz",
+        "url": "https://github.com/oxalica/rust-overlay/archive/b4270835bf43c6f80285adac6f66a26d83f0f277.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "unstable": {
@@ -65,10 +65,10 @@
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "2d068ae5c6516b2d04562de50a58c682540de9bf",
-        "sha256": "0hz6rhk36sggqq1r60xgh1hycaqa0afl1jijqh69k311n5c65isx",
+        "rev": "3a05eebede89661660945da1f151959900903b6a",
+        "sha256": "0n56l6v5k3lmrr4vjnp6xk1s46shkwdkvai05dzcbcabpl29yb9g",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/2d068ae5c6516b2d04562de50a58c682540de9bf.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/3a05eebede89661660945da1f151959900903b6a.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }