feat: add presenterm

flake.lock

@@ -255,11 +255,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1772985280,
+        "lastModified": 1773681845,
-        "narHash": "sha256-FdrNykOoY9VStevU4zjSUdvsL9SzJTcXt4omdEDZDLk=",
+        "narHash": "sha256-o8hrZrigP0JYcwnglCp8Zi8jQafWsxbDtRRPzuVwFxY=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "8f736f007139d7f70752657dff6a401a585d6cbc",
+        "rev": "0759e0e137305bc9d0c52c204c6d8dffe6f601a6",
         "type": "github"
       },
       "original": {
@@ -300,11 +300,11 @@
         "nixpkgs": "nixpkgs"
       },
       "locked": {
-        "lastModified": 1773273897,
+        "lastModified": 1773705884,
-        "narHash": "sha256-S6r4raWL96DNO8nPP2whq8STG8SI8JDlyEuy1N6SvV8=",
+        "narHash": "sha256-2atzXVl7CB+46HcuFRe3cUleEJdn2KoUdVOPQHyZBpg=",
         "owner": "nix-community",
         "repo": "neovim-nightly-overlay",
-        "rev": "f165d4768ca760f4c98b63286562b6fa79a8b114",
+        "rev": "3c143994a616ebc45c69dfa0487e171b7b5c0da6",
         "type": "github"
       },
       "original": {
@@ -316,11 +316,11 @@
     "neovim-src": {
       "flake": false,
       "locked": {
-        "lastModified": 1773273300,
+        "lastModified": 1773702732,
-        "narHash": "sha256-PzRI/GS7+4wz+dgqWq4X2biKtJc8WgUqS6jWk0fXmlM=",
+        "narHash": "sha256-1Oi7ygsg3ExZGMF4/VBVTDJMz27uM14kSwx7EUkte6Q=",
         "owner": "neovim",
         "repo": "neovim",
-        "rev": "99a0b2f7b86d447af752ee7436dd5fd69fc6a101",
+        "rev": "6edae880528b7a1494a7610b07e4415d68c463ff",
         "type": "github"
       },
       "original": {
@@ -331,11 +331,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1772972630,
+        "lastModified": 1773533765,
-        "narHash": "sha256-mUJxsNOrBMNOUJzN0pfdVJ1r2pxeqm9gI/yIKXzVVbk=",
+        "narHash": "sha256-qonGfS2lzCgCl59Zl63jF6dIRRpvW3AJooBGMaXjHiY=",
         "owner": "NixOS",
         "repo": "nixos-hardware",
-        "rev": "3966ce987e1a9a164205ac8259a5fe8a64528f72",
+        "rev": "f8e82243fd601afb9f59ad230958bd073795cbfe",
         "type": "github"
       },
       "original": {
@@ -347,11 +347,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1773110118,
+        "lastModified": 1773597492,
-        "narHash": "sha256-mPAG8phMbCReKSiKAijjjd3v7uVcJOQ75gSjGJjt/Rk=",
+        "narHash": "sha256-hQ284SkIeNaeyud+LS0WVLX+WL2rxcVZLFEaK0e03zg=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "e607cb5360ff1234862ac9f8839522becb853bb9",
+        "rev": "a07d4ce6bee67d7c838a8a5796e75dff9caa21ef",
         "type": "github"
       },
       "original": {
@@ -363,11 +363,11 @@
     },
     "nixpkgs-master": {
       "locked": {
-        "lastModified": 1773329519,
+        "lastModified": 1773741769,
-        "narHash": "sha256-TZEGtZNt1AsC6AFcELQMLZnjBwJ1ml5UdQY+iowLSTc=",
+        "narHash": "sha256-+MzmtY3L1j67FsxeG3KJpWRbt8zbrh1Mm5lH50FWLTg=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "c5c2ad09ebacd0573d60c5f77ee03acc6da03fae",
+        "rev": "33870c677e3f6e50437d5879555a9b329c145411",
         "type": "github"
       },
       "original": {
@@ -379,11 +379,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1773201692,
+        "lastModified": 1773597492,
-        "narHash": "sha256-NXrKzNMniu4Oam2kAFvqJ3GB2kAvlAFIriTAheaY8hw=",
+        "narHash": "sha256-hQ284SkIeNaeyud+LS0WVLX+WL2rxcVZLFEaK0e03zg=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "b6067cc0127d4db9c26c79e4de0513e58d0c40c9",
+        "rev": "a07d4ce6bee67d7c838a8a5796e75dff9caa21ef",
         "type": "github"
       },
       "original": {
@@ -395,11 +395,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1772822230,
+        "lastModified": 1773705440,
-        "narHash": "sha256-yf3iYLGbGVlIthlQIk5/4/EQDZNNEmuqKZkQssMljuw=",
+        "narHash": "sha256-xB30bbAp0e7ogSEYyc126mAJMt4FRFh8wtm6ADE1xuM=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "71caefce12ba78d84fe618cf61644dce01cf3a96",
+        "rev": "48652e9d5aea46e555b3df87354280d4f29cd3a3",
         "type": "github"
       },
       "original": {

hosts/ephvm/configuration.nix

@@ -58,8 +58,11 @@
     neovim.dotfiles = inputs.nvim;
   };
 
+  # ensure .config exists with correct ownership before automount
+  systemd.tmpfiles.rules = [ "d /home/matej/.config 0755 matej users -" ];
+
   # writable claude config via 9p
-  fileSystems."/home/matej/.claude" = {
+  fileSystems."/home/matej/.config/claude" = {
     device = "claude";
     fsType = "9p";
     options = [
@@ -70,23 +73,7 @@
     ];
   };
 
-  # .claude.json passed via qemu fw_cfg
+  environment.sessionVariables.CLAUDE_CONFIG_DIR = "/home/matej/.config/claude";
-  boot.kernelModules = [ "qemu_fw_cfg" ];
-  systemd.services.claude-json = {
-    after = [ "systemd-modules-load.service" ];
-    wants = [ "systemd-modules-load.service" ];
-    wantedBy = [ "multi-user.target" ];
-    serviceConfig = {
-      Type = "oneshot";
-      RemainAfterExit = true;
-      ExecStart = pkgs.writeShellScript "claude-json" ''
-        src="/sys/firmware/qemu_fw_cfg/by_name/opt/claude.json/raw"
-        [ -f "$src" ] || exit 0
-        cp "$src" /home/matej/.claude.json
-        chown matej:users /home/matej/.claude.json
-      '';
-    };
-  };
 
   system.stateVersion = "25.11";
 }

justfile

@@ -33,13 +33,9 @@ build:
 iso:
     nixos-rebuild build-image --image-variant iso-installer --flake .#iso
 
-# build ephemeral VM image
-ephvm-build:
-    nixos-rebuild build-image --image-variant qemu --flake .#ephvm
-
 # run ephemeral VM
-ephvm-run *ARGS:
+ephvm *ARGS:
-    bash scripts/ephvm-run.sh $(find -L result -name '*.qcow2' | head -1) {{ARGS}}
+    bash scripts/ephvm-run.sh {{ARGS}}
 
 # ssh into running ephemeral VM
 ephvm-ssh port="2222":

modules/home-manager/dev.nix

@@ -27,6 +27,7 @@ in
       pkgs.google-cloud-sql-proxy
       packages.ahab
       pkgs.just
+      pkgs.presenterm
     ];
 
     programs.direnv = {

modules/nixos/vm-9p-automount.nix

@@ -20,7 +20,7 @@ in
 
       prefix = lib.mkOption {
         type = lib.types.str;
-        default = "mount_";
+        default = "m_";
         description = "9p mount tag prefix to match";
       };
 

scripts/ephvm-run.sh

@@ -5,44 +5,40 @@ SSH_PORT=2222
 MEMORY=8G
 CPUS=4
 MOUNTS=()
-CLAUDE_DIR=""
+CLAUDE=false
-CLAUDE_JSON=""
-IMAGE=""
 
 usage() {
   cat <<EOF
-Usage: ephvm-run.sh <image.qcow2> [options]
+Usage: ephvm-run.sh [options]
 
 Options:
   --mount <path>       Mount host directory into VM (repeatable)
-  --claude <path>      Mount claude config dir writable into VM
+  --claude             Mount claude config dir (requires CLAUDE_CONFIG_DIR)
-  --claude-json <path> Copy claude.json into mounted claude dir
   --memory <size>      VM memory (default: 8G)
-  --cpus <n>         VM CPUs (default: 4)
+  --cpus <n>           VM CPUs (default: 4)
-  --ssh-port <port>  SSH port forward (default: 2222)
+  --ssh-port <port>    SSH port forward (default: 2222)
 EOF
   exit 1
 }
 
-[ "${1:-}" ] || usage
-
-IMAGE="$1"
-shift
-
 while [ $# -gt 0 ]; do
   case "$1" in
     --mount)      MOUNTS+=("$2"); shift 2 ;;
-    --claude)     CLAUDE_DIR="$2"; shift 2 ;;
+    --claude)     CLAUDE=true; shift ;;
-    --claude-json) CLAUDE_JSON="$2"; shift 2 ;;
     --memory)     MEMORY="$2"; shift 2 ;;
-    --cpus)     CPUS="$2"; shift 2 ;;
+    --cpus)       CPUS="$2"; shift 2 ;;
-    --ssh-port) SSH_PORT="$2"; shift 2 ;;
+    --ssh-port)   SSH_PORT="$2"; shift 2 ;;
-    *)          echo "unknown option: $1"; usage ;;
+    -h|--help)    usage ;;
+    *)            echo "unknown option: $1"; usage ;;
   esac
 done
 
-if [ ! -f "$IMAGE" ]; then
+echo "building ephvm image..."
-  echo "error: image not found: $IMAGE"
+IMAGE_DIR=$(nix build --no-link --print-out-paths .#nixosConfigurations.ephvm.config.system.build.images.qemu)
+IMAGE=$(find "$IMAGE_DIR" -name '*.qcow2' -print -quit)
+
+if [ -z "$IMAGE" ]; then
+  echo "error: no qcow2 image found in $IMAGE_DIR"
   exit 1
 fi
 
@@ -67,21 +63,25 @@ FS_ID=0
 for mount_path in "${MOUNTS[@]}"; do
   mount_path=$(realpath "$mount_path")
   name=$(basename "$mount_path")
+  tag="m_${name:0:29}"
   QEMU_ARGS+=(
-    -virtfs "local,path=$mount_path,mount_tag=mount_$name,security_model=none,id=fs${FS_ID}"
+    -virtfs "local,path=$mount_path,mount_tag=$tag,security_model=none,id=fs${FS_ID}"
   )
   FS_ID=$((FS_ID + 1))
 done
 
-if [ -n "$CLAUDE_DIR" ]; then
+if [ "$CLAUDE" = true ]; then
-  CLAUDE_DIR=$(realpath "$CLAUDE_DIR")
+  if [ -z "${CLAUDE_CONFIG_DIR:-}" ]; then
-  QEMU_ARGS+=(
+    echo "error: --claude requires CLAUDE_CONFIG_DIR to be set"
-    -virtfs "local,path=$CLAUDE_DIR,mount_tag=claude,security_model=none,id=fs${FS_ID}"
+    exit 1
-  )
+  fi
-fi
+  mkdir -p "$CLAUDE_CONFIG_DIR"
+  claude_dir=$(realpath "$CLAUDE_CONFIG_DIR")
 
-if [ -n "$CLAUDE_JSON" ]; then
+  QEMU_ARGS+=(
-  QEMU_ARGS+=(-fw_cfg "name=opt/claude.json,file=$CLAUDE_JSON")
+    -virtfs "local,path=$claude_dir,mount_tag=claude,security_model=none,id=fs${FS_ID}"
+  )
+  FS_ID=$((FS_ID + 1))
 fi
 
 exec "${QEMU_ARGS[@]}"