dcavalca / rpms / grub2

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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: Wed, 11 Apr 2018 13:44:29 -0400
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Subject: [PATCH] blscfg: handle multiple initramfs images.
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Signed-off-by: Peter Jones <pjones@redhat.com>
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---
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 grub-core/commands/blscfg.c | 54 ++++++++++++++++++++++++++++++++++++---------
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 1 file changed, 44 insertions(+), 10 deletions(-)
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diff --git a/grub-core/commands/blscfg.c b/grub-core/commands/blscfg.c
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index e775c6b8794..6ab85df6b3a 100644
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--- a/grub-core/commands/blscfg.c
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+++ b/grub-core/commands/blscfg.c
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@@ -587,6 +587,7 @@ static void create_entry (struct bls_entry *entry, const char *cfgfile)
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   char *title = NULL;
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   char *clinux = NULL;
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   char *options = NULL;
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+  char **initrds = NULL;
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   char *initrd = NULL;
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   char *id = NULL;
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   char *hotkey = NULL;
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@@ -609,7 +610,7 @@ static void create_entry (struct bls_entry *entry, const char *cfgfile)
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   title = bls_get_val (entry, "title", NULL);
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   options = bls_get_val (entry, "options", NULL);
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-  initrd = bls_get_val (entry, "initrd", NULL);
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+  initrds = bls_make_list (entry, "initrd", NULL);
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   id = bls_get_val (entry, "id", NULL);
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   hotkey = bls_get_val (entry, "grub_hotkey", NULL);
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@@ -624,30 +625,63 @@ static void create_entry (struct bls_entry *entry, const char *cfgfile)
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     argv[i] = args[i-1];
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   argv[argc] = NULL;
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-  grub_dprintf("blscfg", "adding menu entry for \"%s\"\n", title);
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+  grub_dprintf ("blscfg", "adding menu entry for \"%s\"\n", title);
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+  if (initrds)
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+    {
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+      int initrd_size = sizeof (GRUB_INITRD_CMD);
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+      char *tmp;
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+
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+      for (i = 0; initrds != NULL && initrds[i] != NULL; i++)
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+	initrd_size += sizeof (" " GRUB_BOOT_DEVICE) \
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+		       + grub_strlen (initrds[i]) + 1;
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+      initrd_size += 1;
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+
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+      initrd = grub_malloc (initrd_size);
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+      if (!initrd)
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+	{
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+	  grub_error (GRUB_ERR_OUT_OF_MEMORY, N_("out of memory"));
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+	  goto finish;
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+	}
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+
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+
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+      tmp = grub_stpcpy(initrd, GRUB_INITRD_CMD);
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+      for (i = 0; initrds != NULL && initrds[i] != NULL; i++)
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+	{
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+	  grub_dprintf ("blscfg", "adding initrd %s\n", initrds[i]);
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+	  tmp = grub_stpcpy (tmp, " " GRUB_BOOT_DEVICE);
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+	  tmp = grub_stpcpy (tmp, initrds[i]);
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+	}
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+      tmp = grub_stpcpy (tmp, "\n");
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+    }
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+
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   src = grub_xasprintf ("load_video\n"
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 			"set gfx_payload=keep\n"
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 			"insmod gzio\n"
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 			GRUB_LINUX_CMD " %s%s%s%s\n"
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-			"%s%s%s%s",
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+			"%s",
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 			GRUB_BOOT_DEVICE, clinux, options ? " " : "", options ? options : "",
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-			initrd ? GRUB_INITRD_CMD " " : "", initrd ? GRUB_BOOT_DEVICE : "", initrd ? initrd : "", initrd ? "\n" : "");
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+			initrd ? initrd : "");
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   grub_normal_add_menu_entry (argc, argv, classes, id, users, hotkey, NULL, src, 0);
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 finish:
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+  if (initrd)
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+    grub_free (initrd);
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+
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+  if (initrds)
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+    grub_free (initrds);
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+
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   if (classes)
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-      grub_free (classes);
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-  grub_dprintf("blscfg", "%s got here\n", __func__);
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+    grub_free (classes);
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+
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   if (args)
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-      grub_free (args);
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+    grub_free (args);
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   if (argv)
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-      grub_free (argv);
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+    grub_free (argv);
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   if (src)
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-      grub_free (src);
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-  grub_dprintf("blscfg", "%s got here\n", __func__);
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+    grub_free (src);
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 }
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 struct find_entry_info {