On Tue, Jun 07, 2016 at 10:29:01AM +0100, Richard W.M. Jones wrote:
---
customize/customize_run.ml | 30 ++++++++++++++++++++++++++++++
generator/customize.ml | 17 +++++++++++++++--
2 files changed, 45 insertions(+), 2 deletions(-)
diff --git a/customize/customize_run.ml b/customize/customize_run.ml
index c9d9d7d..b2506d1 100644
--- a/customize/customize_run.ml
+++ b/customize/customize_run.ml
@@ -151,6 +151,31 @@ exec >>%s 2>&1
| pm ->
error_unimplemented_package_manager (s_"--update") pm
+ and guest_uninstall_command packages =
+ let quoted_args = String.concat " " (List.map quote packages) in
+ match g#inspect_get_package_management root with
+ | "apk" -> sprintf "apk del %s" quoted_args
+ | "apt" ->
+ (*
http://unix.stackexchange.com/questions/22820 *)
+ sprintf "
+ export DEBIAN_FRONTEND=noninteractive
+ apt_opts='-q -y -o Dpkg::Options::=--force-confnew'
+ apt-get $apt_opts update
I pushed this patch as it should be a simple feature request, but I
removed the above line which the bug requester has assured me is not
needed on Debian when removing packages.
Rich.
+ apt-get $apt_opts remove %s
+ " quoted_args
+ | "dnf" -> sprintf "dnf -y remove %s" quoted_args
+ | "pisi" -> sprintf "pisi rm %s" quoted_args
+ | "pacman" -> sprintf "pacman -R %s" quoted_args
+ | "urpmi" -> sprintf "urpme %s" quoted_args
+ | "xbps" -> sprintf "xbps-remove -Sy %s" quoted_args
+ | "yum" -> sprintf "yum -y remove %s" quoted_args
+ | "zypper" -> sprintf "zypper -n rm -l %s" quoted_args
+
+ | "unknown" ->
+ error_unknown_package_manager (s_"--uninstall")
+ | pm ->
+ error_unimplemented_package_manager (s_"--uninstall") pm
+
(* Windows has package_management == "unknown". *)
and error_unknown_package_manager flag =
error (f_"cannot use '%s' because no package manager has been detected
for this guest OS.\n\nIf this guest OS is a common one with ordinary package management
then this may have been caused by a failure of libguestfs inspection.\n\nFor OSes such as
Windows that lack package management, this is not possible. Try using one of the
'--firstboot*' flags instead (described in the manual).") flag
@@ -330,6 +355,11 @@ exec >>%s 2>&1
message (f_"Running touch: %s") path;
g#touch path
+ | `UninstallPackages pkgs ->
+ message (f_"Uninstalling packages: %s") (String.concat " "
pkgs);
+ let cmd = guest_uninstall_command pkgs in
+ do_run ~display:cmd cmd
+
| `Update ->
message (f_"Updating packages");
let cmd = guest_update_command () in
diff --git a/generator/customize.ml b/generator/customize.ml
index 3d3f978..496077b 100644
--- a/generator/customize.ml
+++ b/generator/customize.ml
@@ -214,7 +214,7 @@ installed during the image build using the guest's package
manager
For an overview on the different ways to install packages, see
L<virt-builder(1)/INSTALLING PACKAGES>.
-See also I<--update>.";
+See also I<--update>, I<--uninstall>.";
};
{ op_name = "link";
@@ -424,6 +424,19 @@ string like C<Europe/London>";
This command performs a L<touch(1)>-like operation on C<FILE>.";
};
+ { op_name = "uninstall";
+ op_type = StringList "PKG,PKG..";
+ op_discrim = "`UninstallPackages";
+ op_shortdesc = "Uninstall package(s)";
+ op_pod_longdesc = "\
+Uninstall the named packages (a comma-separated list). These are
+removed during the image build using the guest's package manager
+(eg. apt, yum, etc.). Dependent packages may also need to be
+uninstalled to satisfy the request.
+
+See also I<--install>, I<--update>.";
+ };
+
{ op_name = "update";
op_type = Unit;
op_discrim = "`Update";
@@ -433,7 +446,7 @@ Do the equivalent of C<yum update>, C<apt-get upgrade>,
or whatever
command is required to update the packages already installed in the
template to their latest versions.
-See also I<--install>.";
+See also I<--install>, I<--uninstall>.";
};
{ op_name = "upload";
--
2.7.4
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--
Richard Jones, Virtualization Group, Red Hat
http://people.redhat.com/~rjones
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