community/zram-init: fix depend and default algo

zram-init depends on zramctl from util-linux so add that as explicit
depends.

the alpine kernel does not support crypto zstd so use lz4 algo as
default.

ref #10044

community/zram-init/APKBUILD

@@ -3,14 +3,16 @@
 # Contributor: Pedro Filipe <xpecex@outlook.com>
 pkgname=zram-init
 pkgver=8.0
-pkgrel=0
+pkgrel=1
 pkgdesc="wrapper script for the zram kernel module"
 arch="noarch"
 url="https://github.com/vaeth/zram-init"
 license="GPL-2.0"
-depends="e2fsprogs-extra"
+depends="e2fsprogs-extra util-linux" # we need zramctl from util-linux
 subpackages="$pkgname-zsh-completion:zshcomp $pkgname-openrc"
-source="$pkgname-$pkgver.tar.gz::https://github.com/vaeth/zram-init/archive/v$pkgver.tar.gz"
+source="$pkgname-$pkgver.tar.gz::https://github.com/vaeth/zram-init/archive/v$pkgver.tar.gz
+	default-lz4.patch
+	"
 builddir="$srcdir/$pkgname-$pkgver"
 options="!check"
 
@@ -32,4 +34,5 @@ zshcomp() {
 		"$subpkgdir"/usr/share/zsh/site-functions/_$pkgname
 }
 
-sha512sums="d8efb796f14482b389db940fda1cc2d3869fa139bb3d60d282fb4bfa9ee6f7adb93801c6e22860bf1eb1a2b1c4715681418f916ae7a96c1fe58ef003365eed34  zram-init-8.0.tar.gz"
+sha512sums="d8efb796f14482b389db940fda1cc2d3869fa139bb3d60d282fb4bfa9ee6f7adb93801c6e22860bf1eb1a2b1c4715681418f916ae7a96c1fe58ef003365eed34  zram-init-8.0.tar.gz
+4dee4a83771fec0b4ea63e59f61d7615ae7253acaff46a219d700237326e8b96d3d2fda31754c3c7bc53c04159d163dcdc432bfb790f9e9a52faef508036b3ed  default-lz4.patch"

community/zram-init/default-lz4.patch

@@ -0,0 +1,49 @@
+diff --git a/openrc/conf.d/zram-init b/openrc/conf.d/zram-init
+index 06871f3..9d6ce70 100644
+--- a/openrc/conf.d/zram-init
++++ b/openrc/conf.d/zram-init
+@@ -54,7 +54,7 @@ mlim0= # no hard memory limit
+ back0= # no backup device
+ notr0= # keep the default on linux-3.15 or newer
+ maxs0=1 # maximum number of parallel processes for this device
+-algo0=zstd # zstd (since linux-4.18), lz4 (since linux-3.15), or lzo.
++algo0=lz4 # zstd (since linux-4.18), lz4 (since linux-3.15), or lzo.
+            # Size: zstd (best) > lzo > lz4. Speed: lz4 (best) > zstd > lzo
+ labl0=zram_swap # the label name
+ uuid0= # Do not force UUID
+@@ -74,7 +74,7 @@ mode1=1777
+ owgr1= # No reason to change the default "root:root"
+ notr1= # keep the default on linux-3.15 or newer
+ maxs1=2
+-algo1=zstd
++algo1=lz4
+ labl1=tmp_dir
+ uuid1=
+ args1=
+@@ -90,7 +90,7 @@ mode2=1777
+ owgr2= # No reason to change the default "root:root"
+ notr2= # keep the default on linux-3.15 or newer
+ maxs2=1
+-algo2=zstd
++algo2=lz4
+ labl2=var_tmp_dir
+ uuid2=
+ args2=
+@@ -100,7 +100,7 @@ type3=- # Only format the filesystem but actually do not mount it
+ flag3=btrfs
+ size3=1024
+ maxs3=1
+-algo3=zstd
++algo3=lz4
+ labl3=zbtrfs
+ uuid3=
+ args3=
+@@ -114,7 +114,7 @@ type3=swap
+ flag3=
+ size3=512
+ maxs3=1
+-algo3=zstd
++algo3=lz4
+ labl3=zram_swap2
+ uuid3=
+ args3=