grub2-efi: added checksum seed patch for updated e2fsprogs default behavior

grub2-efi/.signature

@@ -1,5 +1,6 @@
 untrusted comment: verify with /etc/ports/opt.pub
-RWSE3ohX2g5d/RtV38XisII8Fv+ROD8RQH/GKcLTEUlWIatBxO61JQjmM2Gw0fP/3D4gnPlzZFYYsa6tp2pZVdUfvc5cJK0r6g0=
-SHA256 (Pkgfile) = 931e1e692898c69e5d067cc167ecc4435f085bd54d9e275c44c3278ce4f313d2
+RWSE3ohX2g5d/TNVqY0BBoLUuSbASzkRDGDaGPzj5FepEZpRwwxhiU/Hg448+FwPVzJvf+vp5Pi43sdIuMQxZdSoxpffgV0fTgM=
+SHA256 (Pkgfile) = 9bbb2bf90bd0e08ed8e9331a09362fe6e488f121c7ab7243c545e5ee54dbac45
 SHA256 (.footprint) = 4212f468bbe1de31e9f8e0452a487d2f3e391ad4497edc3cc8a8fcec3aa27135
 SHA256 (grub-2.06.tar.xz) = b79ea44af91b93d17cd3fe80bdae6ed43770678a9a5ae192ccea803ebb657ee1
+SHA256 (csum_seed.diff) = ec7b142af05f0bdf3b923e0f3c365592760fc9c10896e9a23899f96e59ad5bfb

grub2-efi/Pkgfile

@@ -5,8 +5,8 @@
 
 name=grub2-efi
 version=2.06
-release=1
-source=(http://ftp.gnu.org/gnu/grub/grub-$version.tar.xz)
+release=2
+source=(http://ftp.gnu.org/gnu/grub/grub-$version.tar.xz csum_seed.diff)
 
 build() {
     export CFLAGS="${CFLAGS} -Wno-error"
@@ -14,6 +14,8 @@ build() {
 
     MODLIST="boot chain configfile fat ext2 linux normal ntfs part_gpt part_msdos"
 
+    patch -d grub-$version -p1 -i $SRC/csum_seed.diff
+
     for ARCH in i386 x86_64
     do
         mkdir $ARCH

grub2-efi/csum_seed.diff

@@ -0,0 +1,29 @@
+diff --git a/grub-core/fs/ext2.c b/grub-core/fs/ext2.c
+index e7dd78e..4953a15 100644
+--- a/grub-core/fs/ext2.c
++++ b/grub-core/fs/ext2.c
+@@ -103,6 +103,7 @@ GRUB_MOD_LICENSE ("GPLv3+");
+ #define EXT4_FEATURE_INCOMPAT_64BIT		0x0080
+ #define EXT4_FEATURE_INCOMPAT_MMP		0x0100
+ #define EXT4_FEATURE_INCOMPAT_FLEX_BG		0x0200
++#define EXT4_FEATURE_INCOMPAT_CSUM_SEED		0x2000
+ #define EXT4_FEATURE_INCOMPAT_ENCRYPT          0x10000
+ 
+ /* The set of back-incompatible features this driver DOES support. Add (OR)
+@@ -123,10 +124,15 @@ GRUB_MOD_LICENSE ("GPLv3+");
+  * mmp:            Not really back-incompatible - was added as such to
+  *                 avoid multiple read-write mounts. Safe to ignore for this
+  *                 RO driver.
++ * checksum seed:  Not really back-incompatible - was added to allow tools
++ *                 such as tune2fs to change the UUID on a mounted metadata
++ *                 checksummed filesystem. Safe to ignore for now since the
++ *                 driver doesn't support checksum verification. However, it
++ *                 has to be removed from this list if the support is added later.
+  */
+ #define EXT2_DRIVER_IGNORED_INCOMPAT ( EXT3_FEATURE_INCOMPAT_RECOVER \
+-				     | EXT4_FEATURE_INCOMPAT_MMP)
+-
++				     | EXT4_FEATURE_INCOMPAT_MMP \
++				     | EXT4_FEATURE_INCOMPAT_CSUM_SEED)
+ 
+ #define EXT3_JOURNAL_MAGIC_NUMBER	0xc03b3998U