diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 81d170a..626f6c4 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -14,7 +14,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v3
 
-      - uses: cachix/install-nix-action@v19
+      - uses: cachix/install-nix-action@v20
         with:
           extra_nix_config: |
             accept-flake-config = true
diff --git a/.github/workflows/update.yaml b/.github/workflows/update.yaml
index 1d839ea..09c1dea 100644
--- a/.github/workflows/update.yaml
+++ b/.github/workflows/update.yaml
@@ -1,4 +1,5 @@
 name: update-flake-lock
+
 on:
   workflow_dispatch: # allows manual triggering
   schedule:
@@ -11,19 +12,35 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v3
 
-      - uses: cachix/install-nix-action@v19
+      - uses: cachix/install-nix-action@v20
         with:
           extra_nix_config: |
             accept-flake-config = true
+            
       - uses: cachix/cachix-action@v12
         with:
           name: aciceri-emacs
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
 
       - name: Update flake.lock
-        uses: DeterminateSystems/update-flake-lock@v16
+        uses: aciceri/update-flake-lock@main
         with:
+          custom-logic: |
+            EOF=$(dd if=/dev/urandom bs=15 count=1 status=none | base64)
+            echo "DIFF_CLOSURES<<$EOF" >> $GITHUB_ENV
+            nix run .#diff-closures | sed 's/^ *//g' >> $GITHUB_ENV
+            echo "$EOF" >> $GITHUB_ENV
           pr-title: "Automatic `flake.lock` update"
+          pr-body: |
+            # Automatic update
+            ## Inputs updated
+            ```
+              {{ env.GIT_COMMIT_MESSAGE }}
+            ```
+            ## Closures diff
+            ```
+            {{ env.DIFF_CLOSURES }}
+            ```
           pr-labels: |
             flake-inputs
             automatic
diff --git a/diff-closures/default.nix b/diff-closures/default.nix
new file mode 100644
index 0000000..274c48a
--- /dev/null
+++ b/diff-closures/default.nix
@@ -0,0 +1,20 @@
+{inputs, ...}: {
+  perSystem = {
+    pkgs,
+    self',
+    ...
+  }: {
+    packages.diff-closures = pkgs.writeShellApplication {
+      name = "diff-closures";
+      runtimeInputs = [ pkgs.ansifilter ];
+      text = ''
+        nix store diff-closures --derivation \
+          github:aciceri/emacs/master#ccrEmacs \
+          "${inputs.self}#ccrEmacs" \
+        | ansifilter --text
+      '';
+    };
+    
+    apps.diff-closures.program = "${self'.packages.diff-closures}/bin/diff-closures";
+  };
+}
diff --git a/flake.lock b/flake.lock
index 7ddb116..b0e98c7 100644
--- a/flake.lock
+++ b/flake.lock
@@ -6,11 +6,11 @@
         "nixpkgs": "nixpkgs"
       },
       "locked": {
-        "lastModified": 1677061209,
-        "narHash": "sha256-WIddVDpQy1d5xA/hKT8z9WwqlcP+RRIAy0cTUtWU7bg=",
+        "lastModified": 1678296165,
+        "narHash": "sha256-nEU+1PKIvYfD+oQ53KO13J2LwMPzUgWc89tFzrES9K4=",
         "owner": "nix-community",
         "repo": "emacs-overlay",
-        "rev": "6c39228d24c69ff0d52aedb8c9976bb796ebda2a",
+        "rev": "5b3d95676be5c6963c4d16f21ecf82beb14c6c05",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 07d778f..ed34727 100644
--- a/flake.nix
+++ b/flake.nix
@@ -22,6 +22,7 @@
         ./packages
         ./hmModules
         ./formatter
+        ./diff-closures
       ];
     };
   
@@ -34,5 +35,6 @@
       "aciceri-emacs.cachix.org-1:kxDGDFWV6LUj41tb8xmPRBI56UJSZOVveN49LZDUKdA="
       "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
     ];
+    
   };
 }
diff --git a/init.el b/init.el
index 762ffab..791d7f2 100644
--- a/init.el
+++ b/init.el
@@ -41,7 +41,6 @@
 (setup flycheck
   (:require flycheck)
   (:hook-into prog-mode)
-  ;; FIXME the following requires the same fix as `fira-code-mode`
   (if (display-graphic-p) (:hook flycheck-posframe-mode) (:hook flycheck-inline-mode)))
 
 (setup eglot
@@ -168,6 +167,10 @@
 	   "C-c w l" #'windmove-right
 	   "C-c w j" #'windmove-down
 	   "C-c w h" #'windmove-left
+	   "M-k" #'windmove-up
+	   "M-l" #'windmove-right
+	   "M-j" #'windmove-down
+	   "M-h" #'windmove-left
 	   "C-c w <up>" #'windmove-up
 	   "C-c w <right>" #'windmove-right
 	   "C-c w <down>" #'windmove-down
@@ -261,18 +264,10 @@
               cape-dabbrev-min-length 5))
 
 (setup eshell
-  (defun ccr/eshell-new ()
-    "Open a new instance of eshell"
-    (interactive)
-    (eshell 'N))
-  (defun ccr/vterm-new ()
-    "Open a new instance of vterm"
-    (interactive)
-    (vterm 'N))
   (:hook esh-autosuggest-mode)
   (eshell-syntax-highlighting-global-mode +1)
-  (:global "C-c o e" ccr/eshell-new
-	   "C-c o t" ccr/vterm-new))
+  (:global "C-c o e" #'projectile-run-eshell
+	   "C-c o t" #'projectile-run-vterm))
 
 (setup vterm
   (:option vterm-timer-delay 0.01))
@@ -283,11 +278,18 @@
 (setup yaml-mode
   (add-to-list 'auto-mode-alist '("\\.y(a?)ml\\'" . yaml-mode))
    (add-hook 'yaml-mode-hook ;; TODO use a more idiomatic style according to setup.el
-	     '(lambda ()
+	     #'(lambda ()
 		(define-key yaml-mode-map "\C-m" 'newline-and-indent))))
 
 (setup hl-todo (global-hl-todo-mode))
 
+(setup projectile
+  (:option projectile-project-search-path '("~/projects/" "~/mlabs/"))
+  ;; (:bind-into projectile-command-map
+  ;;   "DEL" #'vertico-directory-delete-char
+  ;;   "C-DEL" #'vertico-directory-delete-word)
+  )
+
 (setup meow
   (:require meow)
   (:option meow-cheatsheet-layout meow-cheatsheet-layout-qwerty)
diff --git a/packages/packages.nix b/packages/packages.nix
index cf2d996..3ff70e4 100644
--- a/packages/packages.nix
+++ b/packages/packages.nix
@@ -43,9 +43,10 @@ with epkgs; [
   diredfl
   pdf-tools
   ligature
-
   esh-autosuggest
   eshell-syntax-highlighting
+  projectile
+  consult-projectile
   
   # TODO playing with these
   sway