Brand new run dialogue. This hasn't been updated all that much since the days of Strychnine. It's time for some modernizations. I think it's much improved, but if y'all hate it let me know and I'll either fix or revert it.

.githooks/pre-commit

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+set -u
+
+cacheFiles=()
+while IFS= read -r stagedFile; do
+    case "$stagedFile" in
+        __pycache__/* | */__pycache__/* | *.pyc | *.pyo | *.pyd)
+            cacheFiles+=("$stagedFile")
+            ;;
+    esac
+done < <(git diff --cached --name-only --diff-filter=ACMR)
+
+if [[ ${#cacheFiles[@]} -eq 0 ]]; then
+    exit 0
+fi
+
+printf 'Commit blocked: remove generated Python cache files from the index:\n' >&2
+printf '  %s\n' "${cacheFiles[@]}" >&2
+printf '\nUse git rm --cached -- <file> to unstage forced additions.\n' >&2
+exit 1