2 files changed, 29 insertions, 3 deletions
diff --git a/nixos/modules/system/services/default.nix b/nixos/modules/system/services/default.nix
index 74ac531..571ae3a 100644
--- a/nixos/modules/system/services/default.nix
+++ b/nixos/modules/system/services/default.nix
@@ -14,4 +14,11 @@
     SystemMaxUse=50M
     MaxRetentionSec=1month
   '';
+
+  # Cap core dumps so a crashing app can't fill the root partition with
+  # multi-GB crash dumps (e.g. java/electron segfaults).
+  systemd.coredump.settings.Coredump = {
+    ProcessSizeMax = "512M";
+    Storage = "external";
+  };
 }
diff --git a/nixos/modules/system/users/default.nix b/nixos/modules/system/users/default.nix
index d795a64..d9ac254 100644
--- a/nixos/modules/system/users/default.nix
+++ b/nixos/modules/system/users/default.nix
@@ -24,7 +24,13 @@
     ];
   };
 
-  # ZSH + completion, oh-my-zsh, autosuggestions, and fzf key bindings.
+  # fzf -- proper key bindings + completion for zsh.
+  programs.fzf = {
+    fuzzyCompletion = true;
+    keybindings = true;
+  };
+
+  # ZSH + completion, oh-my-zsh, autosuggestions.
   programs.zsh = {
     enable = true;
     enableCompletion = true;
@@ -35,8 +41,21 @@
       strategy = [ "history" "completion" ];
     };
     interactiveShellInit = ''
-      source ${pkgs.fzf}/share/fzf/key-bindings.zsh
-      source ${pkgs.fzf}/share/fzf/completion.zsh
+      # Fish-style full-screen Ctrl+R history search.
+      export FZF_CTRL_R_OPTS="
+        --layout=reverse
+        --scheme=history
+        --height=100%
+        --border=sharp
+        --border-label=' Ctrl+R '
+        --highlight-line
+        --pointer=→
+        --info=inline-right
+        --header-first
+        --header='enter: accept · ctrl-/ : toggle preview'
+        --preview='echo {}' --preview-window=down:3:hidden:wrap
+        --bind=ctrl-/:toggle-preview
+      "
     '';
     shellAliases = {
       ls = "eza -al --icons=auto";