Default --year to current year and run pre-commit in add_conference script

scripts/add_conference.py

@@ -17,6 +17,8 @@
 """
 
 import json
+import subprocess
+from datetime import date
 from pathlib import Path
 
 import click
@@ -85,7 +87,13 @@ def update_map_data(title: str, year: int, iso: str, country: str) -> None:
 
 @click.command(help="Add a sponsored conference and regenerate the activity map.")
 @click.option("--title", required=True, help="Conference title.")
-@click.option("--year", type=int, required=True, help="Year sponsored.")
+@click.option(
+    "--year",
+    type=int,
+    default=lambda: date.today().year,
+    show_default="current year",
+    help="Year sponsored.",
+)
 @click.option(
     "--continent",
     required=True,
@@ -105,6 +113,22 @@ def main(title: str, year: int, continent: str, country: str) -> None:
     update_map_data(title, year, iso, canonical)
     click.echo("Regenerating assets/map.html ...")
     generate_map()
+    click.echo("Running pre-commit on modified files ...")
+    try:
+        subprocess.run(
+            [
+                "pre-commit",
+                "run",
+                "--files",
+                str(SPONSORED_JSON),
+                str(MAP_JSON),
+                str(ROOT / "assets" / "map.html"),
+            ],
+            cwd=ROOT,
+            check=False,
+        )
+    except FileNotFoundError:
+        click.echo("Skipping pre-commit (not installed).")
     click.echo("Done.")