chroot_version_hooks.d: add cros bash completion for old chroots
We added the symlink in new chroots, but still need to migrate
existing ones.
BUG=b:206666477
TEST=`./update_chroot` and now have /etc/bash_completion.d/cros link
Change-Id: I8fb4f835484506e1608e0a06b0ab8f92b927fd53
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosutils/+/3291363
Reviewed-by: Cindy Lin <xcl@google.com>
Tested-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
diff --git a/chroot_version_hooks.d/195_cros_bash_completion b/chroot_version_hooks.d/195_cros_bash_completion
new file mode 100644
index 0000000..e281e3c
--- /dev/null
+++ b/chroot_version_hooks.d/195_cros_bash_completion
@@ -0,0 +1,10 @@
+# Copyright 2021 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# We moved the file.
+if [[ ! -L /etc/bash_completion.d/cros ]]; then
+ sudo ln -sf \
+ /mnt/host/source/chromite/sdk/etc/bash_completion.d/cros \
+ /etc/bash_completion.d/cros
+fi
