main/grub: misc alpine fixes for /etc/grub.d/10_linux

- do not depend on /etc/update-extlinux.conf
- remove GNU when GRUB_DISTRIBUTOR="Alpine"
- clean up initramfs search

fixes #8601

main/grub/2.02_beta3-mkconfig-alpine.patch

+diff --git a/util/grub.d/10_linux.in b/util/grub.d/10_linux.in
+index de9044c..60f36be 100644
 --- a/util/grub.d/10_linux.in
 +++ b/util/grub.d/10_linux.in
-@@ -21,8 +21,11 @@
+@@ -21,8 +21,13 @@ prefix="@prefix@"
  exec_prefix="@exec_prefix@"
  datarootdir="@datarootdir@"
  
-+. /etc/update-extlinux.conf
++if [ -f /etc/update-extlinux.conf ]; then
++	. /etc/update-extlinux.conf
++	GRUB_CMDLINE_LINUX_DEFAULT="modules=${modules} ${default_kernel_opts} ${GRUB_CMDLINE_LINUX_DEFAULT}"
++fi
  . "$pkgdatadir/grub-mkconfig_lib"
  
-+GRUB_CMDLINE_LINUX_DEFAULT="modules=${modules} ${default_kernel_opts} ${GRUB_CMDLINE_LINUX_DEFAULT}"
 +
  export TEXTDOMAIN=@PACKAGE@
  export TEXTDOMAINDIR="@localedir@"
  
-@@ -75,6 +78,7 @@
-   version="$2"
-   type="$3"
-   args="$4"
+@@ -31,7 +36,11 @@ CLASS="--class gnu-linux --class gnu --class os"
+ if [ "x${GRUB_DISTRIBUTOR}" = "x" ] ; then
+   OS=GNU/Linux
+ else
+-  OS="${GRUB_DISTRIBUTOR} GNU/Linux"
++  if [ "x${GRUB_DISTRIBUTOR}" = "xAlpine" ]; then
++    OS="${GRUB_DISTRIBUTOR} Linux"
++  else
++    OS="${GRUB_DISTRIBUTOR} GNU/Linux"
++  fi
+   CLASS="--class $(echo ${GRUB_DISTRIBUTOR} | tr 'A-Z' 'a-z' | cut -d' ' -f1|LC_ALL=C sed 's,[^[:alnum:]_],_,g') ${CLASS}"
+ fi
+ 
+@@ -187,12 +196,14 @@ while [ "x$list" != "x" ] ; do
+   version=`echo $basename | sed -e "s,^[^0-9]*-,,g"`
+   alt_version=`echo $version | sed -e "s,\.old$,,g"`
+   linux_root_device_thisversion="${LINUX_ROOT_DEVICE}"
 +  tag="$(basename ${rel_dirname}/${basename} | cut -b9-)"
  
-   if [ -z "$boot_device_id" ]; then
-       boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")"
-@@ -133,6 +137,7 @@
- 	echo	'$(echo "$message" | grub_quote)'
- 	linux	${rel_dirname}/${basename} root=${linux_root_device_thisversion} ro ${args}
- EOF
-+  [ -f "/boot/initramfs-${tag}" ] && initrd="initramfs-${tag}"
-   if test -n "${initrd}" ; then
-     # TRANSLATORS: ramdisk isn't identifier. Should be translated.
-     message="$(gettext_printf "Loading initial ramdisk ...")"
+   initrd=
+   for i in "initrd.img-${version}" "initrd-${version}.img" "initrd-${version}.gz" \
+ 	   "initrd-${version}" "initramfs-${version}.img" \
+ 	   "initrd.img-${alt_version}" "initrd-${alt_version}.img" \
+ 	   "initrd-${alt_version}" "initramfs-${alt_version}.img" \
++           "initramfs-${tag}" \
+ 	   "initramfs-genkernel-${version}" \
+ 	   "initramfs-genkernel-${alt_version}" \
+ 	   "initramfs-genkernel-${GENKERNEL_ARCH}-${version}" \

main/grub/APKBUILD

@@ -2,7 +2,7 @@
 # Maintainer: Timo Teräs <timo.teras@iki.fi>
 pkgname=grub
 pkgver=2.02
-pkgrel=8
+pkgrel=9
 pkgdesc="Bootloader with support for Linux, Multiboot and more"
 url="https://www.gnu.org/software/grub/"
 arch="all !s390x"
@@ -170,7 +170,7 @@ sha512sums="cc6eb0a42b5c8df2f671cc128ff725afb3ff1f8832a196022e433cf0d3b75decfca2
 f2a7d9ab6c445f4e402e790db56378cecd6631b5c367451aa6ce5c01cd95b95c83c3dd24d6d4b857f8f42601eba82c855607513eb6ce5b2af6bd6c71f046e288  fix-gcc-no-pie-specs.patch
 098a1742aef131c85d63b934a9815879b991f2e73030cb90ac4b5dcd07d249fa0dd0a281e52ada0e10f05d59223493bd416eb47543242bf0ba336a0ebc9b2a1a  grub2-accept-empty-module.patch
 4e7394e0fff6772c89683039ccf81099ebbfe4f498e6df408977a1488fd59389b6e19afdbf0860ec271e2b2aea0df7216243dcc8235d1ca3af0e7f4d0a9d60a4  grub-xen-host_grub.cfg
-5de7c1cc11640a3892447f0daa1e3fd1f67b0c474c8aec555e4e6315b5e6c00491ba02c88b420cec221da0640c6961d639f148746df14a0b2c15bda7989cd25c  2.02_beta3-mkconfig-alpine.patch
+065453d336d3c6a2943690faab7d05c09ac307bc360957976a08d88d6a57742dd068a6839bcb31c7dbb703d3ef19ae2f7f44844f1bef2a1a6c19a871544bddb5  2.02_beta3-mkconfig-alpine.patch
 088455205f2f397d60e43eab19ed73994880ea1f442661f7975846cceaf2b112d92fd1341119d7dbfad3af2174dfd4d4721f31dead1ac35f4a3cb7c0d92f8a04  0008-Fix-packed-not-aligned-error-on-GCC-8.patch
 4723c5dd9fd6e9b6c8677e32e4906c7995d695c7e85e834b1b29eb1d9a024678f8fa75846c7b929d1db9b5911b604c69c1b0379cb3b9adc98d5bb6d6719eb2c4  0009-xfs-Accept-filesystem-with-sparse-inodes.patch
 e11f62b5012ecc8abf9d4912db12a263470887671b05ccb4de54981fb3b32a52d4557439a160e69e0654e35a57fdb0afd5fe801709b8037a6ea4a50d8b8455ec  x86-64-Treat-R_X86_64_PLT32-as-R_X86_64_PC32.patch"