Add shell aliases

TODO.md

@@ -13,6 +13,7 @@
 - Format everything here using nixfmt
 - Cleanup the line between hardware-configuration.nix and configuration.nix in machine config
 - CI https://gvolpe.com/blog/nixos-binary-cache-ci/
+- remove `options.currentSystem`
 
 ### NAS
 - helios64 extra led lights
@@ -28,15 +29,6 @@
     - just need a kernel module? https://github.com/firestack/bcachefs-tools-flake/blob/kf/dev/mvp/nixos/module/bcachefs.nix#L40
 
 ### Shell Comands
-
-- myip = dig +short myip.opendns.com @resolver1.opendns.com
-
-#### https://linuxreviews.org/HOWTO_Test_Disk_I/O_Performance
-
-- seq read = `fio --name TEST --eta-newline=5s --filename=temp.file --rw=read --size=2g --io_size=10g --blocksize=1024k --ioengine=libaio --fsync=10000 --iodepth=32 --direct=1 --numjobs=1 --runtime=60 --group_reporting`
-- seq write = `fio --name TEST --eta-newline=5s --filename=temp.file --rw=write --size=2g --io_size=10g --blocksize=1024k --ioengine=libaio --fsync=10000 --iodepth=32 --direct=1 --numjobs=1 --runtime=60 --group_reporting`
-- random read = `fio --name TEST --eta-newline=5s --filename=temp.file --rw=randread --size=2g --io_size=10g --blocksize=4k --ioengine=libaio --fsync=1 --iodepth=1 --direct=1 --numjobs=32 --runtime=60 --group_reporting`
-- random write = `fio --name TEST --eta-newline=5s --filename=temp.file --rw=randrw --size=2g --io_size=10g --blocksize=4k --ioengine=libaio --fsync=1 --iodepth=1 --direct=1 --numjobs=1 --runtime=60 --group_reporting`
 - tailexitnode = `sudo tailscale up --exit-node=<exit-node-ip> --exit-node-allow-lan-access=true`
 
 ### Services

common/default.nix

@@ -1,11 +1,10 @@
 { config, pkgs, ... }:
 
-let
+{
-  nix-locate = config.inputs.nix-locate.defaultPackage.${config.currentSystem};
-in {
   imports = [
     ./flakes.nix
     ./auto-update.nix
+    ./shell.nix
     ./network
     ./boot
     ./server
@@ -43,7 +42,6 @@ in {
     micro
     helix
     lm_sensors
-    nix-locate
   ];
 
   nixpkgs.config.allowUnfree = true;
@@ -64,28 +62,6 @@ in {
 
   nix.gc.automatic = true;
 
-  programs.command-not-found.enable = false;
-
-  programs.fish = {
-    enable = true;
-
-    shellInit = let
-      wrapper = pkgs.writeScript "command-not-found" ''
-        #!${pkgs.bash}/bin/bash
-        source ${nix-locate}/etc/profile.d/command-not-found.sh
-        command_not_found_handle "$@"
-      '';
-    in ''
-      # use nix-locate for command-not-found functionality
-      function __fish_command_not_found_handler --on-event fish_command_not_found
-          ${wrapper} $argv
-      end
-
-      # disable annoying fish shell greeting
-      set fish_greeting
-    '';
-  };
-
   security.acme.acceptTerms = true;
   security.acme.defaults.email = "zuckerberg@neet.dev";
 }

common/shell.nix

@@ -0,0 +1,46 @@
+{ config, pkgs, ... }:
+
+# Improvements to the default shell
+# - use nix-locate for command-not-found
+# - disable fish's annoying greeting message
+# - add some handy shell commands
+
+let
+  nix-locate = config.inputs.nix-locate.defaultPackage.${config.currentSystem};
+in {
+  programs.command-not-found.enable = false;
+
+  environment.systemPackages = [
+    nix-locate
+  ];
+
+  programs.fish = {
+    enable = true;
+
+    shellInit = let
+      wrapper = pkgs.writeScript "command-not-found" ''
+        #!${pkgs.bash}/bin/bash
+        source ${nix-locate}/etc/profile.d/command-not-found.sh
+        command_not_found_handle "$@"
+      '';
+    in ''
+      # use nix-locate for command-not-found functionality
+      function __fish_command_not_found_handler --on-event fish_command_not_found
+          ${wrapper} $argv
+      end
+
+      # disable annoying fish shell greeting
+      set fish_greeting
+    '';
+  };
+
+  environment.shellAliases = {
+    myip = "dig +short myip.opendns.com @resolver1.opendns.com";
+
+    # https://linuxreviews.org/HOWTO_Test_Disk_I/O_Performance
+    io_seq_read = "nix run nixpkgs#fio -- --name TEST --eta-newline=5s --filename=temp.file --rw=read --size=2g --io_size=10g --blocksize=1024k --ioengine=libaio --fsync=10000 --iodepth=32 --direct=1 --numjobs=1 --runtime=60 --group_reporting; rm temp.file";
+    io_seq_write = "nix run nixpkgs#fio -- --name TEST --eta-newline=5s --filename=temp.file --rw=write --size=2g --io_size=10g --blocksize=1024k --ioengine=libaio --fsync=10000 --iodepth=32 --direct=1 --numjobs=1 --runtime=60 --group_reporting; rm temp.file";
+    io_rand_read = "nix run nixpkgs#fio -- --name TEST --eta-newline=5s --filename=temp.file --rw=randread --size=2g --io_size=10g --blocksize=4k --ioengine=libaio --fsync=1 --iodepth=1 --direct=1 --numjobs=32 --runtime=60 --group_reporting; rm temp.file";
+    io_rand_write = "nix run nixpkgs#fio -- --name TEST --eta-newline=5s --filename=temp.file --rw=randrw --size=2g --io_size=10g --blocksize=4k --ioengine=libaio --fsync=1 --iodepth=1 --direct=1 --numjobs=1 --runtime=60 --group_reporting; rm temp.file";
+  };
+}