bang: hide lines when they are useless

bang.py

@@ -53,10 +53,13 @@ def list_bangs(config):
         print(f"- {handle}: {name}")
 
 
-def run_rofi(config, input_text="", title="bang"):
+def run_rofi(config, input_text="", title="bang", no_lines=False):
     rofi_path = config.get("rofi_path", "rofi")
+    args = ["-dmenu", "-p", title]
+    if no_lines:
+        args += ["-l", "0"]
     completed_process = subprocess.run(
-        [rofi_path, "-dmenu", "-p", title],
+        [rofi_path] + args,
         text=True,
         capture_output=True,
         input=input_text,
@@ -111,7 +114,10 @@ def main():
             queries.append(" ".join(bang_args[1:]))
     # Else show a Rofi with the list of available bangs.
     else:
-        process_input = "\n".join(i["handle"] for i in config["bangs"]) + "\n"
+        process_input = "\n".join(
+            i["handle"]
+            for i in sorted(config["bangs"], key=lambda bang: bang["handle"])
+        ) + "\n"
         output = run_rofi(config, input_text=process_input)
         parts = output.split(maxsplit=1)
         if len(parts) < 1:
@@ -122,7 +128,7 @@ def main():
 
     # If no queries were obtained during options parsing, show Rofi now to get a single query.
     if not queries:
-        queries.append(run_rofi(config, title=handle))
+        queries.append(run_rofi(config, title=handle, no_lines=True))
 
     for query in queries:
         open_bang(config, handle, query)

print-colors.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env sh
+# From https://github.com/alacritty/alacritty-theme, license Apache 2.0.
+printf "|039| \033[39mDefault \033[m  |049| \033[49mDefault \033[m  |037| \033[37mLight gray \033[m     |047| \033[47mLight gray \033[m\n"
+printf "|030| \033[30mBlack \033[m    |040| \033[40mBlack \033[m    |090| \033[90mDark gray \033[m      |100| \033[100mDark gray \033[m\n"
+printf "|031| \033[31mRed \033[m      |041| \033[41mRed \033[m      |091| \033[91mLight red \033[m      |101| \033[101mLight red \033[m\n"
+printf "|032| \033[32mGreen \033[m    |042| \033[42mGreen \033[m    |092| \033[92mLight green \033[m    |102| \033[102mLight green \033[m\n"
+printf "|033| \033[33mYellow \033[m   |043| \033[43mYellow \033[m   |093| \033[93mLight yellow \033[m   |103| \033[103mLight yellow \033[m\n"
+printf "|034| \033[34mBlue \033[m     |044| \033[44mBlue \033[m     |094| \033[94mLight blue \033[m     |104| \033[104mLight blue \033[m\n"
+printf "|035| \033[35mMagenta \033[m  |045| \033[45mMagenta \033[m  |095| \033[95mLight magenta \033[m  |105| \033[105mLight magenta \033[m\n"
+printf "|036| \033[36mCyan \033[m     |046| \033[46mCyan \033[m     |096| \033[96mLight cyan \033[m     |106| \033[106mLight cyan \033[m\n"