grub2/0042-util-grub-install.c-List-available-targets.patch

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From d25ddbcafa537525f606938df0e500c50a5e93e1 Mon Sep 17 00:00:00 2001
From: Vladimir Serbinenko <phcoder@gmail.com>
Date: Fri, 24 Jan 2014 18:09:25 +0100
Subject: [PATCH 042/125] * util/grub-install.c: List available targets.
---
ChangeLog | 4 ++++
include/grub/util/install.h | 2 ++
util/grub-install-common.c | 30 ++++++++++++++++++++++++++++++
util/grub-install.c | 10 ++++++++--
4 files changed, 44 insertions(+), 2 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index eee8e78..20e8baa 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2014-01-24 Vladimir Serbinenko <phcoder@gmail.com>
+
+ * util/grub-install.c: List available targets.
+
2014-01-23 Colin Watson <cjwatson@ubuntu.com>
* util/grub-install.c (write_to_disk): Add an info message.
diff --git a/include/grub/util/install.h b/include/grub/util/install.h
index bc987aa..aedcd29 100644
--- a/include/grub/util/install.h
+++ b/include/grub/util/install.h
@@ -138,6 +138,8 @@ grub_install_get_platform_cpu (enum grub_install_plat platid);
const char *
grub_install_get_platform_platform (enum grub_install_plat platid);
+char *
+grub_install_get_platforms_string (void);
typedef enum {
GRUB_COMPRESSION_AUTO,
diff --git a/util/grub-install-common.c b/util/grub-install-common.c
index 6ea0a8e..c8bedcb 100644
--- a/util/grub-install-common.c
+++ b/util/grub-install-common.c
@@ -668,6 +668,36 @@ static struct
};
char *
+grub_install_get_platforms_string (void)
+{
+ char **arr = xmalloc (sizeof (char *) * ARRAY_SIZE (platforms));
+ int platform_strins_len = 0;
+ char *platforms_string;
+ char *ptr;
+ unsigned i;
+ for (i = 0; i < ARRAY_SIZE (platforms); i++)
+ {
+ arr[i] = xasprintf ("%s-%s", platforms[i].cpu,
+ platforms[i].platform);
+ platform_strins_len += strlen (arr[i]) + 2;
+ }
+ ptr = platforms_string = xmalloc (platform_strins_len);
+ qsort (arr, ARRAY_SIZE (platforms), sizeof (char *), grub_qsort_strcmp);
+ for (i = 0; i < ARRAY_SIZE (platforms); i++)
+ {
+ strcpy (ptr, arr[i]);
+ ptr += strlen (arr[i]);
+ *ptr++ = ',';
+ *ptr++ = ' ';
+ free (arr[i]);
+ }
+ ptr[-2] = 0;
+ free (arr);
+
+ return platforms_string;
+}
+
+char *
grub_install_get_platform_name (enum grub_install_plat platid)
{
return xasprintf ("%s-%s", platforms[platid].cpu,
diff --git a/util/grub-install.c b/util/grub-install.c
index 787dc90..2e6226a 100644
--- a/util/grub-install.c
+++ b/util/grub-install.c
@@ -256,7 +256,7 @@ static struct argp_option options[] = {
OPTION_HIDDEN, 0, 2},
{"target", OPTION_TARGET, N_("TARGET"),
/* TRANSLATORS: "TARGET" as in "target platform". */
- 0, N_("install GRUB for TARGET platform [default=%s]"), 2},
+ 0, N_("install GRUB for TARGET platform [default=%s]; available targets: %s"), 2},
{"grub-setup", OPTION_SETUP, "FILE", OPTION_HIDDEN, 0, 2},
{"grub-mkrelpath", OPTION_MKRELPATH, "FILE", OPTION_HIDDEN, 0, 2},
{"grub-mkdevicemap", OPTION_MKDEVICEMAP, "FILE", OPTION_HIDDEN, 0, 2},
@@ -340,7 +340,13 @@ help_filter (int key, const char *text, void *input __attribute__ ((unused)))
case OPTION_BOOT_DIRECTORY:
return xasprintf (text, GRUB_DIR_NAME, GRUB_BOOT_DIR_NAME "/" GRUB_DIR_NAME);
case OPTION_TARGET:
- return xasprintf (text, get_default_platform ());
+ {
+ char *plats = grub_install_get_platforms_string ();
+ char *ret;
+ ret = xasprintf (text, get_default_platform (), plats);
+ free (plats);
+ return ret;
+ }
case ARGP_KEY_HELP_POST_DOC:
return xasprintf (text, program_name, GRUB_BOOT_DIR_NAME "/" GRUB_DIR_NAME);
default:
--
1.9.0