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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Andrey Borzenkov <arvidjaar@gmail.com>
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Date: Sat, 25 Jan 2014 19:54:51 +0400
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Subject: [PATCH] do not set default prefix in grub-mkimage
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Default prefix is likely wrong on Unix and completely wrong on Windows.
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Let caller set it explicitly to avoid any ambiguity.
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---
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 util/grub-mkimage.c | 16 +++++++++++-----
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 ChangeLog           |  4 ++++
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 2 files changed, 15 insertions(+), 5 deletions(-)
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diff --git a/util/grub-mkimage.c b/util/grub-mkimage.c
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index a2bd4c196e5..1e0bcf1bf4f 100644
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--- a/util/grub-mkimage.c
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+++ b/util/grub-mkimage.c
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@@ -64,7 +64,7 @@ static struct argp_option options[] = {
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   {"directory",  'd', N_("DIR"), 0,
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    /* TRANSLATORS: platform here isn't identifier. It can be translated.  */
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    N_("use images and modules under DIR [default=%s/<platform>]"), 0},
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-  {"prefix",  'p', N_("DIR"), 0, N_("set prefix directory [default=%s]"), 0},
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+  {"prefix",  'p', N_("DIR"), 0, N_("set prefix directory"), 0},
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   {"memdisk",  'm', N_("FILE"), 0,
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    /* TRANSLATORS: "memdisk" here isn't an identifier, it can be translated.
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     "embed" is a verb (command description).  "*/
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@@ -93,8 +93,6 @@ help_filter (int key, const char *text, void *input __attribute__ ((unused)))
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     {
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     case 'd':
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       return xasprintf (text, grub_util_get_pkglibdir ());
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-    case 'p':
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-      return xasprintf (text, DEFAULT_DIRECTORY);
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     case 'O':
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       {
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 	char *formats = grub_install_get_image_targets_string (), *ret;
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@@ -268,6 +266,15 @@ main (int argc, char *argv[])
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       exit(1);
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     }
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+  if (!arguments.prefix)
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+    {
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+      char *program = xstrdup(program_name);
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+      printf ("%s\n", _("Prefix not specified (use the -p option)."));
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+      argp_help (&argp, stderr, ARGP_HELP_STD_USAGE, program);
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+      free (program);
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+      exit(1);
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+    }
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+
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   if (arguments.output)
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     {
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       fp = grub_util_fopen (arguments.output, "wb");
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@@ -287,8 +294,7 @@ main (int argc, char *argv[])
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       strcpy (ptr, dn);
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     }
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-  grub_install_generate_image (arguments.dir,
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-			       arguments.prefix ? : DEFAULT_DIRECTORY, fp,
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+  grub_install_generate_image (arguments.dir, arguments.prefix, fp,
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 			       arguments.output, arguments.modules,
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 			       arguments.memdisk, arguments.pubkeys,
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 			       arguments.npubkeys, arguments.config,
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diff --git a/ChangeLog b/ChangeLog
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index e149d8ef33d..b405b7ee5bd 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,3 +1,7 @@
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+2014-01-25  Andrey Borzenkov <arvidjaar@gmail.com>
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+
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+	* util/grub-mkimage.c: Make prefix argument mandatory.
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+
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 2014-01-24  Vladimir Serbinenko  <phcoder@gmail.com>
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 	Fix several translatable strings.