e1531466e1
This change updates grub to the 2.04 release. The new release changed how grub is built, so the bootstrap and bootstrap.conf files have to be added to the dist-git. Also, the gitignore file changed so it has to be updated. Since the patches have been forward ported to 2.04, there's no need for a logic to maintain a patch with the delta between the release and the grub master branch. So the release-to-master.patch is dropped and no longer is updated by the do-rebase script. Also since gnulib isn't part of the grub repository anymore and cloned by the boostrap tool, a gnulib tarball is included as other source file and copied before calling the bootstrap tool. That way grub can be built even in builders that only have access to the sources lookaside cache. Resolves: rhbz#1727279 Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
94 lines
2.9 KiB
Diff
94 lines
2.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Hans de Goede <hdegoede@redhat.com>
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Date: Mon, 4 Jun 2018 19:49:47 +0200
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Subject: [PATCH] grub-editenv: Add "incr" command to increment integer value
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env. variables
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To be able to automatically detect if the last boot was successful,
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We want to keep count of succesful / failed boots in some integer
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environment variable.
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This commit adds a grub-editenvt "incr" command to increment such
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integer value env. variables by 1 for use from various boot scripts.
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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---
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util/grub-editenv.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
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1 file changed, 50 insertions(+)
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diff --git a/util/grub-editenv.c b/util/grub-editenv.c
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index f3662c95ba6..d848038abea 100644
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--- a/util/grub-editenv.c
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+++ b/util/grub-editenv.c
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@@ -53,6 +53,9 @@ static struct argp_option options[] = {
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/* TRANSLATORS: "unset" is a keyword. It's a summary of "unset" subcommand. */
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{N_("unset [NAME ...]"), 0, 0, OPTION_DOC|OPTION_NO_USAGE,
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N_("Delete variables."), 0},
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+ /* TRANSLATORS: "incr" is a keyword. It's a summary of "incr" subcommand. */
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+ {N_("incr [NAME ...]"), 0, 0, OPTION_DOC|OPTION_NO_USAGE,
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+ N_("Increase value of integer variables."), 0},
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{0, 0, 0, OPTION_DOC, N_("Options:"), -1},
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{"verbose", 'v', 0, 0, N_("print verbose messages."), 0},
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@@ -247,6 +250,51 @@ unset_variables (const char *name, int argc, char *argv[])
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grub_envblk_close (envblk);
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}
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+struct get_int_value_params {
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+ char *varname;
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+ int value;
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+};
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+
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+static int
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+get_int_value (const char *varname, const char *value, void *hook_data)
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+{
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+ struct get_int_value_params *params = hook_data;
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+
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+ if (strcmp (varname, params->varname) == 0) {
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+ params->value = strtol (value, NULL, 10);
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+ return 1;
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+ }
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+ return 0;
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+}
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+
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+static void
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+incr_variables (const char *name, int argc, char *argv[])
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+{
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+ grub_envblk_t envblk;
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+ char buf[16];
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+
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+ envblk = open_envblk_file (name);
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+ while (argc)
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+ {
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+ struct get_int_value_params params = {
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+ .varname = argv[0],
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+ .value = 0, /* Consider unset variables 0 */
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+ };
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+
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+ grub_envblk_iterate (envblk, ¶ms, get_int_value);
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+ snprintf(buf, sizeof(buf), "%d", params.value + 1);
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+
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+ if (! grub_envblk_set (envblk, argv[0], buf))
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+ grub_util_error ("%s", _("environment block too small"));
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+
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+ argc--;
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+ argv++;
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+ }
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+
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+ write_envblk (name, envblk);
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+ grub_envblk_close (envblk);
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+}
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+
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int
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main (int argc, char *argv[])
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{
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@@ -286,6 +334,8 @@ main (int argc, char *argv[])
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set_variables (filename, argc - curindex, argv + curindex);
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else if (strcmp (command, "unset") == 0)
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unset_variables (filename, argc - curindex, argv + curindex);
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+ else if (strcmp (command, "incr") == 0)
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+ incr_variables (filename, argc - curindex, argv + curindex);
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else
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{
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char *program = xstrdup(program_name);
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