[Libguestfs] [PATCH] sysprep: remove the bash history of users

[Richard W.M. Jones]

On Thu, Apr 12, 2012 at 03:26:48PM +0800, Wanlong Gao wrote:
> Remove the bash history of users in home directory,
> and history of root.
> 
> Signed-off-by: Wanlong Gao <gaowanlong at cn.fujitsu.com>
> ---
>  sysprep/Makefile.am                       |    2 ++
>  sysprep/sysprep_operation_bash_history.ml |   44 +++++++++++++++++++++++++++++
>  2 files changed, 46 insertions(+)
>  create mode 100644 sysprep/sysprep_operation_bash_history.ml
> 
> diff --git a/sysprep/Makefile.am b/sysprep/Makefile.am
> index 8730bc0..3a48702 100644
> --- a/sysprep/Makefile.am
> +++ b/sysprep/Makefile.am
> @@ -33,6 +33,7 @@ SOURCES = \
>  	main.ml \
>  	sysprep_operation.ml \
>  	sysprep_operation.mli \
> +	sysprep_operation_bash_history.ml \
>  	sysprep_operation_cron_spool.ml \
>  	sysprep_operation_dhcp_client_state.ml \
>  	sysprep_operation_dhcp_server_state.ml \
> @@ -56,6 +57,7 @@ if HAVE_OCAML
>  OBJECTS = \
>  	utils.cmx \
>  	sysprep_operation.cmx \
> +	sysprep_operation_bash_history.cmx \
>  	sysprep_operation_cron_spool.cmx \
>  	sysprep_operation_dhcp_client_state.cmx \
>  	sysprep_operation_dhcp_server_state.cmx \
> diff --git a/sysprep/sysprep_operation_bash_history.ml b/sysprep/sysprep_operation_bash_history.ml
> new file mode 100644
> index 0000000..1f33ab6
> --- /dev/null
> +++ b/sysprep/sysprep_operation_bash_history.ml
> @@ -0,0 +1,44 @@
> +(* virt-sysprep
> + * Copyright (C) 2012 Fujitsu Inc.
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; either version 2 of the License, or
> + * (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License along
> + * with this program; if not, write to the Free Software Foundation, Inc.,
> + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
> + *)
> +
> +open Sysprep_operation
> +
> +module G = Guestfs
> +
> +let bash_history_perform g root =
> +  let typ = g#inspect_get_type root in
> +  if typ <> "windows" then (
> +    let files = g#glob_expand "/home/*/.bash_history" in
> +    Array.iter g#rm_rf files;
> +    g#rm_rf "/root/.bash_history";

Since .bash_history isn't likely to be a directory, I think it's
better to write:

  g#rm ...

However you'll need to protect against missing files, so:

  try g#rm file with G.Error _ -> ()

(compare with sysprep/sysprep_operation_smolt_uuid.ml)

The rest looks OK to me.

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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