diff --git a/check.sh b/check.sh
new file mode 100755
index 0000000..23597f6
--- /dev/null
+++ b/check.sh
@@ -0,0 +1,30 @@
+#!/bin/bash
+
+DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+cd "$DIR"
+
+# Keep exclusions sorted.  And list them here.
+#
+# - SC2002 is useless use of cat
+#
+exclusions="SC2002"
+
+source "$DIR/framework/versions"
+
+if [[ $# -ne 0 ]]; then
+    shellcheck --exclude="$exclusions" "$@"
+    exit $?
+fi
+
+shell_scripts="$(fd .sh | xargs)"
+
+# The files we need to check all either end in .sh or else they're the files
+# in framework/cmd.d and framework/shims.  -x instructs shellcheck to also
+# check `source`d files.
+
+shellcheck -x --exclude="$exclusions" "$DIR/cmd" "$DIR"/framework/cmd.d/* "$DIR"/framework/shims/* "$shell_scripts"
+
+pushd "$DIR/master"
+docker run --rm -v $(pwd):/app -w /app golangci/golangci-lint:$golangci_lint golangci-lint run
+popd
diff --git a/fixup.sh b/fixup.sh
new file mode 100755
index 0000000..43f86f4
--- /dev/null
+++ b/fixup.sh
@@ -0,0 +1,22 @@
+#!/bin/bash
+
+set -eu
+
+DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+cd "$DIR"
+
+# uv run ruff check --select I --fix .
+
+# uv run ruff format .
+
+shell_scripts="$(fd .sh | xargs)"
+shfmt -i 4 -w "$DIR/cmd" "$DIR"/framework/cmd.d/* "$DIR"/framework/shims/*
+# "$shell_scripts"
+for ss in $shell_scripts; do
+    shfmt -i 4 -w $ss
+done
+
+pushd "$DIR/master"
+go fmt
+popd