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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Peter Jones <pjones@redhat.com>
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Date: Tue, 11 Sep 2018 14:20:37 -0400
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Subject: [PATCH] Add a "version" command.
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This adds a command that shows you info about grub's version, the grub target
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platform, the compiler version, and if you built with
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--with-rpm-version=<string>, the rpm package version.
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Signed-off-by: Peter Jones <pjones@redhat.com>
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---
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configure.ac | 13 ++++++++++
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grub-core/Makefile.core.def | 5 ++++
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grub-core/commands/version.c | 56 ++++++++++++++++++++++++++++++++++++++++++++
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config.h.in | 1 +
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4 files changed, 75 insertions(+)
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create mode 100644 grub-core/commands/version.c
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diff --git a/configure.ac b/configure.ac
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index 152e7dba65..cfdac6bed5 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -312,6 +312,19 @@ AC_SUBST(target_cpu)
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AC_SUBST(platform)
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# Define default variables
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+have_with_rpm_version=n
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+AC_ARG_WITH([rpm_version],
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+ AS_HELP_STRING([--with-rpm-version=VERSION],
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+ [set the rpm package version [[guessed]]]),
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+ [have_with_rpm_version=y],
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+ [have_with_rpm_version=n])
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+if test x$have_with_rpm_version = xy; then
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+ rpm_version="$with_rpm_version"
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+else
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+ rpm_version=""
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+fi
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+GRUB_RPM_VERSION="$rpm_version"
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+AC_SUBST(GRUB_RPM_VERSION)
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have_with_bootdir=n
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AC_ARG_WITH([bootdir],
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diff --git a/grub-core/Makefile.core.def b/grub-core/Makefile.core.def
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index 84a3d89de9..498ca11762 100644
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--- a/grub-core/Makefile.core.def
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+++ b/grub-core/Makefile.core.def
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@@ -579,6 +579,11 @@ image = {
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enable = mips_loongson;
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};
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+module = {
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+ name = version;
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+ common = commands/version.c;
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+};
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+
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module = {
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name = disk;
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common = lib/disk.c;
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diff --git a/grub-core/commands/version.c b/grub-core/commands/version.c
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new file mode 100644
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index 0000000000..f0966a518f
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--- /dev/null
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+++ b/grub-core/commands/version.c
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@@ -0,0 +1,56 @@
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+/* version.c - Command to print the grub version and build info. */
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+/*
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+ * GRUB -- GRand Unified Bootloader
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+ * Copyright (C) 2006,2007,2008 Free Software Foundation, Inc.
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+ *
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+ * GRUB is free software: you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License as published by
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+ * the Free Software Foundation, either version 3 of the License, or
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+ * (at your option) any later version.
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+ *
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+ * GRUB is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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+ */
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+
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+#include <grub/dl.h>
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+#include <grub/term.h>
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+#include <grub/time.h>
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+#include <grub/types.h>
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+#include <grub/misc.h>
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+#include <grub/extcmd.h>
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+#include <grub/i18n.h>
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+
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+GRUB_MOD_LICENSE ("GPLv3+");
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+
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+static grub_err_t
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+grub_cmd_version (grub_command_t cmd UNUSED, int argc, char **args UNUSED)
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+{
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+ if (argc != 0)
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+ return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("no arguments expected"));
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+
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+ grub_printf (_("GNU GRUB version %s\n"), PACKAGE_VERSION);
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+ grub_printf (_("Platform %s-%s\n"), GRUB_TARGET_CPU, GRUB_PLATFORM);
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+ if (grub_strlen(GRUB_RPM_VERSION) != 0)
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+ grub_printf (_("RPM package version %s\n"), GRUB_RPM_VERSION);
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+ grub_printf (_("Compiler version %s\n"), __VERSION__);
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+
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+ return 0;
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+}
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+
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+static grub_command_t cmd;
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+
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+GRUB_MOD_INIT(version)
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+{
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+ cmd = grub_register_command ("version", grub_cmd_version, NULL,
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+ N_("Print version and build information."));
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+}
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+
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+GRUB_MOD_FINI(version)
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+{
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+ grub_unregister_command (cmd);
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+}
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diff --git a/config.h.in b/config.h.in
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index 9e8f9911b1..c7e316f0f1 100644
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--- a/config.h.in
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+++ b/config.h.in
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@@ -59,6 +59,7 @@
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#define GRUB_TARGET_CPU "@GRUB_TARGET_CPU@"
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#define GRUB_PLATFORM "@GRUB_PLATFORM@"
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+#define GRUB_RPM_VERSION "@GRUB_RPM_VERSION@"
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#define RE_ENABLE_I18N 1
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