grub2/grub2-commands-introduce-read_file-subcommand.patch
Michael Chang c85662cbfa Accepting request 457610 from home:michael-chang:sle12-update
- Merge changes from SLE12
- add grub2-emu-4-all.patch
  * Build 'grub2-emu' wherever possible, to allow a better
    implementation of that feature.
- add grub2-s390x-06-loadparm.patch,
- add grub2-commands-introduce-read_file-subcommand.patch:
  * allow s390x to telecontrol grub2.  (bsc#891946, bsc#892852)
- add grub2-s390x-06-loadparm.patch:
  * ignore case and fix transliteration of parameter.  (bsc#891946)
- add grub2-s390x-07-add-image-param-for-zipl-setup.patch
  * Add --image switch to force zipl update to specific kernel
    (bsc#928131)
- add grub2-s390x-08-workaround-part-to-disk.patch
  * Ignore partition tables on s390x. (bsc#935127)
- add grub2-efi-chainload-harder.patch:
  * allow XEN to be chain-loaded despite firmware flaws.  (bnc#887793)
  * Do not use shim lock protocol for reading pe header, it won't be
  available when secure boot disabled (bsc#943380)
  * Make firmware flaw condition be more precisely detected and add
  debug message for the case
  * Check msdos header to find PE file header (bsc#954126)
- grub2-s390x-04-grub2-install.patch:
  * streamline boot to grub menu.  (bsc#898198)
  * Force '/usr' to read-only before calling kexec. (bsc#932951)
- grub2-once:
  * add '--enum' option to enumerate boot-entries in a way
    actually understood by 'grub2'.  (bsc#892852, bsc#892811)
  * Examine variables from grub environment in 'grub2-once'. (fate#319632)

OBS-URL: https://build.opensuse.org/request/show/457610
OBS-URL: https://build.opensuse.org/package/show/Base:System/grub2?expand=0&rev=254
2017-02-16 07:12:06 +00:00

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From: Raymund Will <rw@suse.com>
Subject: Introduce a 'read_file' sub-command.
References: bsc#892852, bsc#891946
Patch-Mainline: not yet
Needed to allow s390x-emu to be telecontrolled via LOADPARM.
---
grub-core/commands/read.c | 34 ++++++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
--- a/grub-core/commands/read.c
+++ b/grub-core/commands/read.c
@@ -20,6 +20,7 @@
#include <grub/dl.h>
#include <grub/misc.h>
#include <grub/mm.h>
+#include <grub/normal.h>
#include <grub/env.h>
#include <grub/term.h>
#include <grub/types.h>
@@ -77,16 +78,49 @@ grub_cmd_read (grub_command_t cmd __attr
return 0;
}
+static grub_err_t
+grub_cmd_read_from_file (grub_command_t cmd __attribute__ ((unused)), int argc, char **args)
+{
+ char *line;
+ int i = 0;
+ grub_file_t file;
+
+ if (argc < 1)
+ return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("file name expected"));
+ if (argc < 2)
+ return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("variable name expected"));
+ file = grub_file_open (args[i++]);
+ if (! file)
+ return grub_errno;
+ while ( i < argc )
+ {
+ line = grub_file_getline (file);
+ if ( !line )
+ break;
+ grub_env_set (args[i++], line);
+ grub_free (line);
+ }
+ grub_file_close (file);
+ if (i != argc)
+ return GRUB_ERR_OUT_OF_RANGE;
+ return 0;
+}
+
static grub_command_t cmd;
+static grub_command_t cme;
GRUB_MOD_INIT(read)
{
cmd = grub_register_command ("read", grub_cmd_read,
N_("[ENVVAR]"),
N_("Set variable with user input."));
+ cme = grub_register_command ("read_file", grub_cmd_read_from_file,
+ N_("FILE ENVVAR [...]"),
+ N_("Set variable(s) with line(s) from FILE."));
}
GRUB_MOD_FINI(read)
{
grub_unregister_command (cmd);
+ grub_unregister_command (cme);
}