kitty: save a tab cache when closing a tab with ctrl+w

base/terminal/kitty-convert-dump.py

@@ -0,0 +1,74 @@
+# Code from https://github.com/dflock/kitty-save-session, please check it out!
+#!/usr/bin/env python3
+"""
+this tool is used to convert Kitty session dump to Kitty session file which can be loaded by Kitty
+"""
+
+import json
+import os
+import sys
+
+
+def env_to_str(env):
+    """Convert an env list to a series of '--env key=value' parameters and return as a string."""
+    s = ""
+    for key in env:
+        s += f"--env {key}={env[key]} "
+
+    return s.strip()
+
+
+def cmdline_to_str(cmdline):
+    """Convert a cmdline list to a space separated string."""
+    s = ""
+    for e in cmdline:
+        s += f"{e} "
+
+    return s.strip()
+
+
+def fg_proc_to_str(fg):
+    """Convert a foreground_processes list to a space separated string."""
+    s = ""
+    fg = fg[0]
+
+    # s += f"--cwd {fg['cwd']} {cmdline_to_str(fg['cmdline'])}"
+    s += f"{cmdline_to_str(fg['cmdline'])}"
+
+    if s == "kitty @ ls":
+        return os.getenv("SHELL")
+    return s
+
+
+def convert(session):
+    """Convert a kitty session dict, into a kitty session file and output it."""
+    first = True
+    for os_window in session:
+        if first:
+            first = False
+        else:
+            print("\nnew_os_window\n")
+
+        for tab in os_window["tabs"]:
+            print("\n")
+            print(f"new_tab {tab['title']}")
+            # print('enabled_layouts *)
+            print(f"layout {tab['layout']}")
+            # This is a bit of a kludge to set cwd for the tab, as
+            # setting it in the launch command didn't work, for some reason?
+            if tab["windows"]:
+                print(f"cd {tab['windows'][0]['cwd']}")
+
+            for w in tab["windows"]:
+                print(f"title {w['title']}")
+                print(
+                    f"launch {env_to_str(w['env'])} {fg_proc_to_str(w['foreground_processes'])}"
+                )
+                if w["is_focused"]:
+                    print("focus")
+
+
+if __name__ == "__main__":
+    stdin = sys.stdin.readlines()
+    session = json.loads("".join(stdin))
+    convert(session)

base/terminal/kitty.nix

@@ -39,7 +39,6 @@ in
   hm.programs.kitty.keybindings =
   {
     "ctrl+q" = "close_os_window"; # Quit application
-    "ctrl+w" = "close_window"; #  Prioritizes internal windows > tabs
 
     "ctrl+t" = "new_tab";
 

base/terminal/zsh.nix

@@ -21,10 +21,21 @@
     autocd = true; # If empty directory given as command, interpret it as cd
     shellAliases.src = ". ~/.zshrc";
 
-    initExtra =
+    initExtra = # bash
     ''
       source ${./options.sh}
       source ${./keybinds.sh}
+
+      function zle_ls
+      {
+        kitty @ ls -m recent:0 > /tmp/kittyTabCache.json
+        cat /tmp/kittyTabCache.json | python3 ./kitty-convert-dump.py > $HOME/.config/kitty/kitty-session.kitty
+
+        zle reset-prompt; zle redisplay
+      }
+
+      zle -N zle_ls
+      bindkey "^O" zle_ls
     '';
   };