forked from pool/grub2
de8c74037b
- Fix error in grub-install when root is on tmpfs (bsc#1226100)
* 0001-grub-install-bailout-root-device-probing.patch
- Fix incorrect Platform tag in rpm header (bsc#1217967)
OBS-URL: https://build.opensuse.org/request/show/1188943
OBS-URL: https://build.opensuse.org/package/show/Base:System/grub2?expand=0&rev=508
59 lines
1.8 KiB
Diff
59 lines
1.8 KiB
Diff
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v2: Add menuentry "Help on bootable snapshot" to be excluded as default entry.
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--- a/grub-core/normal/menu.c
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+++ b/grub-core/normal/menu.c
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@@ -574,6 +574,43 @@
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grub_refresh ();
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}
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+/* bsc#956046 - The first entry titled 'Bootable snapshot #$NUM' is inserted on
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+ top at runtime to display current snapshot information. If default entry is
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+ using number as key to index the entry, the result will be shifted so here we
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+ add specical handling to shift it back. We apply this workaround until a better
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+ solution can be found. */
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+static void
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+workaround_snapshot_menu_default_entry (grub_menu_t menu, const char *name, int *default_entry)
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+{
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+ grub_menu_entry_t entry;
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+ if ((entry = grub_menu_get_entry (menu, 0)) &&
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+ ((entry->submenu && grub_strncmp (entry->title, "Bootable snapshot", sizeof("Bootable snapshot") - 1) == 0) ||
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+ (!entry->submenu && grub_strncmp (entry->title, "Help on bootable snapshot", sizeof("Help on bootable snapshot") - 1) == 0)))
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+ {
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+ const char *val;
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+
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+ if (*default_entry == -1 && menu->size > 1)
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+ {
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+ *default_entry = 1;
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+ return;
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+ }
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+
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+ val = grub_env_get (name);
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+
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+ grub_error_push ();
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+
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+ if (val)
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+ grub_strtoul (val, 0, 0);
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+
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+ if (*default_entry < (menu->size - 1) && grub_errno == GRUB_ERR_NONE)
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+ ++(*default_entry);
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+
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+ grub_error_pop ();
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+ }
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+
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+ return;
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+}
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+
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#define GRUB_MENU_PAGE_SIZE 10
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/* Show the menu and handle menu entry selection. Returns the menu entry
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@@ -594,6 +631,8 @@
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default_entry = get_entry_number (menu, "default");
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+ workaround_snapshot_menu_default_entry (menu, "default", &default_entry);
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+
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/* If DEFAULT_ENTRY is not within the menu entries, fall back to
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the first entry. */
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if (default_entry < 0 || default_entry >= menu->size)
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