1 files changed, 39 insertions, 17 deletions

diff --git a/pkgs/simple/alacritty-tv.nix b/pkgs/simple/alacritty-tv.nix
index 0d2fe59..ebf609e 100644
--- a/pkgs/simple/alacritty-tv.nix
+++ b/pkgs/simple/alacritty-tv.nix
@@ -5,18 +5,33 @@ pkgs.symlinkJoin {
   paths = [
     (pkgs.writeDashBin "alacritty" ''
       # usage:
-      #   alacritty [--profile=PROFILE] [--singleton] [ARGS...]
+      #   alacritty [--dtach] [--profile=PROFILE] [--singleton] [COMMAND [ARGS...]]
       # where
       #   PROFILE must have a corresponding file /etc/alacritty/PROFILE.toml
 
       set -efu
 
+      dtach=
       profile=default
-      case ''${1-} in
-        --profile=*)
-          profile=''${1#--profile=}
-          shift
-      esac
+      singleton=
+      while :; do
+        case ''${1-} in
+          --dtach)
+            dtach=1
+            shift
+            ;;
+          --profile=*)
+            profile=''${1#--profile=}
+            shift
+            ;;
+          --singleton)
+            singleton=1
+            shift
+            ;;
+          *)
+            break
+        esac
+      done
 
       config=/etc/alacritty/$profile.toml
 
@@ -31,17 +46,24 @@ pkgs.symlinkJoin {
         ${pkgs.jq}/bin/jq .device_scale_factor
       )
 
-      case ''${1-} in
-        --singleton)
-          shift
-          if ! ${pkgs.alacritty}/bin/alacritty --config-file "$config" msg create-window "$@"; then
-            ${pkgs.alacritty}/bin/alacritty --config-file "$config" "$@" &
-          fi
-          ;;
-        *)
-          exec ${pkgs.alacritty}/bin/alacritty --config-file "$config" "$@"
-          ;;
-      esac
+      if test "$dtach" = 1; then
+        if test $# = 0; then
+          _CURRENT_DESKTOP_NAME=''${_CURRENT_DESKTOP_NAME-$(${pkgs.xextras}/bin/net-current-desktop)}
+          SHELL=''${SHELL-${pkgs.bash}/bin/bash}
+          sock=$XDG_RUNTIME_DIR/Alacritty-$DISPLAY-dtach-$_CURRENT_DESKTOP_NAME-$$.sock
+          set -- -e ${pkgs.dtach}/bin/dtach -c "$sock" -r winch -z "$SHELL"
+        else
+          echo 'alacritty-tv: warning: option --dtach ignored: arguments provided' >&2
+        fi
+      fi
+
+      if test "$singleton" = 1; then
+        if ! ${pkgs.alacritty}/bin/alacritty --config-file "$config" msg create-window "$@"; then
+          ${pkgs.alacritty}/bin/alacritty --config-file "$config" "$@" &
+        fi
+      else
+        exec ${pkgs.alacritty}/bin/alacritty --config-file "$config" "$@"
+      fi
     '')
     pkgs.alacritty
   ];