feat: add tailscale support and update timeZone

home-manager/stvnliu/shells/fish/init/tailscale.fish

@@ -0,0 +1,248 @@
+# Copyright 2013-2023 The Cobra Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# fish completion for tailscale                            -*- shell-script -*-
+
+function __tailscale_debug
+    set -l file "$BASH_COMP_DEBUG_FILE"
+    if test -n "$file"
+        echo "$argv" >> $file
+    end
+end
+
+function __tailscale_perform_completion
+    __tailscale_debug "Starting __tailscale_perform_completion"
+
+    # Extract all args except the last one
+    set -l args (commandline -opc)
+    # Extract the last arg and escape it in case it is a space
+    set -l lastArg (string escape -- (commandline -ct))
+
+    __tailscale_debug "args: $args"
+    __tailscale_debug "last arg: $lastArg"
+
+    set -l requestComp "$args[1] completion __complete --descs=true --flags=true -- $args[2..-1] $lastArg"
+
+    __tailscale_debug "Calling $requestComp"
+    set -l results (eval $requestComp 2> /dev/null)
+
+    # Some programs may output extra empty lines after the directive.
+    # Let's ignore them or else it will break completion.
+    # Ref: https://github.com/spf13/cobra/issues/1279
+    for line in $results[-1..1]
+        if test (string trim -- $line) = ""
+            # Found an empty line, remove it
+            set results $results[1..-2]
+        else
+            # Found non-empty line, we have our proper output
+            break
+        end
+    end
+
+    set -l comps $results[1..-2]
+    set -l directiveLine $results[-1]
+
+    # For Fish, when completing a flag with an = (e.g., <program> -n=<TAB>)
+    # completions must be prefixed with the flag
+    set -l flagPrefix (string match -r -- '-.*=' "$lastArg")
+
+    __tailscale_debug "Comps: $comps"
+    __tailscale_debug "DirectiveLine: $directiveLine"
+    __tailscale_debug "flagPrefix: $flagPrefix"
+
+    for comp in $comps
+        printf "%s%s\n" "$flagPrefix" "$comp"
+    end
+
+    printf "%s\n" "$directiveLine"
+end
+
+# this function limits calls to __tailscale_perform_completion, by caching the result behind $__tailscale_perform_completion_once_result
+function __tailscale_perform_completion_once
+    __tailscale_debug "Starting __tailscale_perform_completion_once"
+
+    if test -n "$__tailscale_perform_completion_once_result"
+        __tailscale_debug "Seems like a valid result already exists, skipping __tailscale_perform_completion"
+        return 0
+    end
+
+    set --global __tailscale_perform_completion_once_result (__tailscale_perform_completion)
+    if test -z "$__tailscale_perform_completion_once_result"
+        __tailscale_debug "No completions, probably due to a failure"
+        return 1
+    end
+
+    __tailscale_debug "Performed completions and set __tailscale_perform_completion_once_result"
+    return 0
+end
+
+# this function is used to clear the $__tailscale_perform_completion_once_result variable after completions are run
+function __tailscale_clear_perform_completion_once_result
+    __tailscale_debug ""
+    __tailscale_debug "========= clearing previously set __tailscale_perform_completion_once_result variable =========="
+    set --erase __tailscale_perform_completion_once_result
+    __tailscale_debug "Successfully erased the variable __tailscale_perform_completion_once_result"
+end
+
+function __tailscale_requires_order_preservation
+    __tailscale_debug ""
+    __tailscale_debug "========= checking if order preservation is required =========="
+
+    __tailscale_perform_completion_once
+    if test -z "$__tailscale_perform_completion_once_result"
+        __tailscale_debug "Error determining if order preservation is required"
+        return 1
+    end
+
+    set -l directive (string sub --start 2 $__tailscale_perform_completion_once_result[-1])
+    __tailscale_debug "Directive is: $directive"
+
+    set -l shellCompDirectiveKeepOrder 32
+    set -l keeporder (math (math --scale 0 $directive / $shellCompDirectiveKeepOrder) % 2)
+    __tailscale_debug "Keeporder is: $keeporder"
+
+    if test $keeporder -ne 0
+        __tailscale_debug "This does require order preservation"
+        return 0
+    end
+
+    __tailscale_debug "This doesn't require order preservation"
+    return 1
+end
+
+
+# This function does two things:
+# - Obtain the completions and store them in the global __tailscale_comp_results
+# - Return false if file completion should be performed
+function __tailscale_prepare_completions
+    __tailscale_debug ""
+    __tailscale_debug "========= starting completion logic =========="
+
+    # Start fresh
+    set --erase __tailscale_comp_results
+
+    __tailscale_perform_completion_once
+    __tailscale_debug "Completion results: $__tailscale_perform_completion_once_result"
+
+    if test -z "$__tailscale_perform_completion_once_result"
+        __tailscale_debug "No completion, probably due to a failure"
+        # Might as well do file completion, in case it helps
+        return 1
+    end
+
+    set -l directive (string sub --start 2 $__tailscale_perform_completion_once_result[-1])
+    set --global __tailscale_comp_results $__tailscale_perform_completion_once_result[1..-2]
+
+    __tailscale_debug "Completions are: $__tailscale_comp_results"
+    __tailscale_debug "Directive is: $directive"
+
+    set -l shellCompDirectiveError 1
+    set -l shellCompDirectiveNoSpace 2
+    set -l shellCompDirectiveNoFileComp 4
+    set -l shellCompDirectiveFilterFileExt 8
+    set -l shellCompDirectiveFilterDirs 16
+
+    if test -z "$directive"
+        set directive 0
+    end
+
+    set -l compErr (math (math --scale 0 $directive / $shellCompDirectiveError) % 2)
+    if test $compErr -eq 1
+        __tailscale_debug "Received error directive: aborting."
+        # Might as well do file completion, in case it helps
+        return 1
+    end
+
+    set -l filefilter (math (math --scale 0 $directive / $shellCompDirectiveFilterFileExt) % 2)
+    set -l dirfilter (math (math --scale 0 $directive / $shellCompDirectiveFilterDirs) % 2)
+    if test $filefilter -eq 1; or test $dirfilter -eq 1
+        __tailscale_debug "File extension filtering or directory filtering not supported"
+        # Do full file completion instead
+        return 1
+    end
+
+    set -l nospace (math (math --scale 0 $directive / $shellCompDirectiveNoSpace) % 2)
+    set -l nofiles (math (math --scale 0 $directive / $shellCompDirectiveNoFileComp) % 2)
+
+    __tailscale_debug "nospace: $nospace, nofiles: $nofiles"
+
+    # If we want to prevent a space, or if file completion is NOT disabled,
+    # we need to count the number of valid completions.
+    # To do so, we will filter on prefix as the completions we have received
+    # may not already be filtered so as to allow fish to match on different
+    # criteria than the prefix.
+    if test $nospace -ne 0; or test $nofiles -eq 0
+        set -l prefix (commandline -t | string escape --style=regex)
+        __tailscale_debug "prefix: $prefix"
+
+        set -l completions (string match -r -- "^$prefix.*" $__tailscale_comp_results)
+        set --global __tailscale_comp_results $completions
+        __tailscale_debug "Filtered completions are: $__tailscale_comp_results"
+
+        # Important not to quote the variable for count to work
+        set -l numComps (count $__tailscale_comp_results)
+        __tailscale_debug "numComps: $numComps"
+
+        if test $numComps -eq 1; and test $nospace -ne 0
+            # We must first split on \t to get rid of the descriptions to be
+            # able to check what the actual completion will be.
+            # We don't need descriptions anyway since there is only a single
+            # real completion which the shell will expand immediately.
+            set -l split (string split --max 1 \t $__tailscale_comp_results[1])
+
+            # Fish won't add a space if the completion ends with any
+            # of the following characters: @=/:.,
+            set -l lastChar (string sub -s -1 -- $split)
+            if not string match -r -q "[@=/:.,]" -- "$lastChar"
+                # In other cases, to support the "nospace" directive we trick the shell
+                # by outputting an extra, longer completion.
+                __tailscale_debug "Adding second completion to perform nospace directive"
+                set --global __tailscale_comp_results $split[1] $split[1].
+                __tailscale_debug "Completions are now: $__tailscale_comp_results"
+            end
+        end
+
+        if test $numComps -eq 0; and test $nofiles -eq 0
+            # To be consistent with bash and zsh, we only trigger file
+            # completion when there are no other completions
+            __tailscale_debug "Requesting file completion"
+            return 1
+        end
+    end
+
+    return 0
+end
+
+# Since Fish completions are only loaded once the user triggers them, we trigger them ourselves
+# so we can properly delete any completions provided by another script.
+# Only do this if the program can be found, or else fish may print some errors; besides,
+# the existing completions will only be loaded if the program can be found.
+if type -q "tailscale"
+    # The space after the program name is essential to trigger completion for the program
+    # and not completion of the program name itself.
+    # Also, we use '> /dev/null 2>&1' since '&>' is not supported in older versions of fish.
+    complete --do-complete "tailscale " > /dev/null 2>&1
+end
+
+# Remove any pre-existing completions for the program since we will be handling all of them.
+complete -c tailscale -e
+
+# this will get called after the two calls below and clear the $__tailscale_perform_completion_once_result global
+complete -c tailscale -n '__tailscale_clear_perform_completion_once_result'
+# The call to __tailscale_prepare_completions will setup __tailscale_comp_results
+# which provides the program's completion choices.
+# If this doesn't require order preservation, we don't use the -k flag
+complete -c tailscale -n 'not __tailscale_requires_order_preservation && __tailscale_prepare_completions' -f -a '$__tailscale_comp_results'
+# otherwise we use the -k flag
+complete -k -c tailscale -n '__tailscale_requires_order_preservation && __tailscale_prepare_completions' -f -a '$__tailscale_comp_results'

nixos/configuration.nix

@@ -46,7 +46,15 @@
       };
     };
   };
-
+  xdg.portal = {
+    enable = true;
+    extraPortals = with pkgs; [
+      xdg-desktop-portal-gtk
+    ];
+    config = {
+      common.default = ["gtk"];
+    };
+  };
   systemd.user.services.mpris-proxy = {
     description = "Mpris proxy";
     after = ["network.target" "sound.target"];
@@ -74,13 +82,14 @@
   ];
   # turned off because timedatectl doesn't like it
   time.hardwareClockInLocalTime = false;
+  time.timeZone = "Europe/Athens";
   services = {
     #displayManager.sddm = {
     #  enable = true;
     #  wayland.enable = true;
     #  theme = "${import ./sddm-theme.nix {inherit pkgs;}}";
     #};
-    automatic-timezoned.enable = true;
+    #automatic-timezoned.enable = true;
     openssh = {
       enable = true;
       settings = {

nixos/hardware-configuration.nix

@@ -12,7 +12,7 @@
     (modulesPath + "/installer/scan/not-detected.nix")
   ];
 
-  boot.initrd.availableKernelModules = ["nvme" "xhci_pci" "usb_storage" "usbhid" "sd_mod"];
+  boot.initrd.availableKernelModules = ["nvme" "xhci_pci" "usbhid"];
   boot.initrd.kernelModules = [];
   boot.kernelModules = ["kvm-amd"];
   boot.extraModulePackages = [];
@@ -28,6 +28,11 @@
     options = ["fmask=0022" "dmask=0022"];
   };
 
+  fileSystems."/games" = {
+    device = "/dev/disk/by-uuid/492b4058-0507-456d-b694-a340222d35af";
+    fsType = "ext4";
+  };
+
   swapDevices = [];
 
   # Enables DHCP on each ethernet and wireless interface. In case of scripted networking

nixos/services/laptop.preset.nix

@@ -6,5 +6,6 @@
     ./misc.service.nix
     ./avahi.service.nix
     ./printing.service.nix
+    ./tailscale.service.nix
   ];
 }

nixos/services/tailscale.service.nix

@@ -0,0 +1,9 @@
+{
+  pkgs,
+  config,
+  ...
+}: {
+  services.tailscale = {
+    enable = true;
+  };
+}