From c4f050ffcdcab834a8d692aac267b4e76b1ff4b0 Mon Sep 17 00:00:00 2001
From: Bobby The Builder <bob@najdan.com>
Date: Thu, 8 Apr 2021 13:58:22 -0400
Subject: [PATCH] main/postmarketos-mkinitfs: add f2fs (MR 1850)

---
 main/postmarketos-mkinitfs/00-default.modules |  1 +
 main/postmarketos-mkinitfs/APKBUILD           | 11 +++---
 main/postmarketos-mkinitfs/init_functions.sh  | 34 ++++++++++++++++---
 .../mkinitfs_functions.sh                     |  1 +
 pmaports.cfg                                  |  1 +
 5 files changed, 38 insertions(+), 10 deletions(-)

diff --git a/main/postmarketos-mkinitfs/00-default.modules b/main/postmarketos-mkinitfs/00-default.modules
index 953ee7b10..abd3afa19 100644
--- a/main/postmarketos-mkinitfs/00-default.modules
+++ b/main/postmarketos-mkinitfs/00-default.modules
@@ -1,3 +1,4 @@
 dm_crypt
 ext4
 usb_f_rndis
+f2fs
diff --git a/main/postmarketos-mkinitfs/APKBUILD b/main/postmarketos-mkinitfs/APKBUILD
index 6a3168c1c..674e6ebad 100644
--- a/main/postmarketos-mkinitfs/APKBUILD
+++ b/main/postmarketos-mkinitfs/APKBUILD
@@ -1,7 +1,7 @@
 # Maintainer: Oliver Smith <ollieparanoid@postmarketos.org>
 pkgname=postmarketos-mkinitfs
-pkgver=0.22
-pkgrel=2
+pkgver=0.23
+pkgrel=0
 pkgdesc="Tool to generate initramfs images for postmarketOS"
 url="https://postmarketos.org"
 depends="
@@ -13,6 +13,7 @@ depends="
 	device-mapper
 	e2fsprogs
 	e2fsprogs-extra
+	f2fs-tools
 	kmod
 	lddtree
 	lz4
@@ -53,9 +54,9 @@ check() {
 	/bin/busybox sh ./mkinitfs_test.sh
 }
 
-sha512sums="5037cb7285bb7c0c40ca9e6df332d882ef9a8b379756c785f921e062dab1b7e7f3139d00897f69323a916d709ced4297fea8cbd3a13ebae575b873ec9e2cbfae  00-default.modules
+sha512sums="4717bf24bd13fd4d90f3ab000ab43f7d61529515de224ebc86458ae709ebe0b5065655457e34f5952126bac6ab45143a91cddb09a8ad2d0a55c5cecd564a0135  00-default.modules
 bafd06286594102b8b3b126c3ae0a77a97f004ab804f03426154310c5107a1acaf3636bdba92626333adfe4fb0df32ff42c6d8d9e7adf35f6da620c6e14407a1  init.sh.in
-9a18ccd14ab5a9e2decc3df35c9b489cbb94b57dc180f0919d0cdf003de5f0f4730beb96d5c3d19b13aebc6d6fe046aa9e81846b86a66f794ca1cb59b91eabfe  init_functions.sh
+c625759e0a3fcfcb00d22e7240edec51df92ebb33a8c0bf2bcb8df549a9dfbab1bd786972c6678c49e9be0d87c56ef4fe42171d2e0b6be8b169e4cfbb7085d65  init_functions.sh
 dfc01ee0547ea88b7aa45a005e842b636e9e19bbf1705f3dad53a66d57af7c5c513c092b5469a06d9b00322e56a4d25f1b47e4c5324aafa99f5291679968d1f1  mkinitfs.sh
-e91007d321b1c26b4505bba7e36da0aed1a5af7d7010ef6a1ac215975054898da3daf883c067cc071ff2c268fa0d57d2b3ca3dce1dc9b9afc4175a7724b4de3a  mkinitfs_functions.sh
+ee1af97c53d53229eead55a580fad704891c0dd7b678dd3d56822c5a6d9e983559cf8a271abe4f5c144116e5ba507c182aa02a478e3db82d1b689facc0ac6d6b  mkinitfs_functions.sh
 c7a3c33daeb12b33ac72207191941c4d634f15c22958273b52af381a70ebaba1d3a9299483f0c447d9e66c560151fe7b9588bb4bbef2c8914f83185984ee4622  mkinitfs_test.sh"
diff --git a/main/postmarketos-mkinitfs/init_functions.sh b/main/postmarketos-mkinitfs/init_functions.sh
index 12b0da716..3bb330fa8 100644
--- a/main/postmarketos-mkinitfs/init_functions.sh
+++ b/main/postmarketos-mkinitfs/init_functions.sh
@@ -288,21 +288,45 @@ unlock_root_partition() {
 	fi
 }
 
+get_partition_type() {
+	partition="$1"
+	blkid "$partition" | sed 's/^.*TYPE="\([a-zA-z0-9_]*\)".*$/\1/'
+}
+
 resize_root_filesystem() {
 	if [ "$ROOT_PARTITION_RESIZED" = 1 ]; then
 		partition="$(find_root_partition)"
 		touch /etc/mtab # see https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=673323
-		echo "Check/repair root filesystem ($partition)"
-		e2fsck -y "$partition"
-		echo "Resize root filesystem ($partition)"
-		resize2fs -f "$partition"
+		type="$(get_partition_type "$partition")"
+		case "$type" in
+			ext4)
+				echo "Resize 'ext4' root filesystem ($partition)"
+				resize2fs -f "$partition"
+				;;
+			f2fs)
+				echo "Resize 'f2fs' root filesystem ($partition)"
+				resize.f2fs "$partition"
+				;;
+			*)	echo "WARNING: Can not resize '$type' filesystem ($partition)." ;;
+		esac
 	fi
 }
 
 mount_root_partition() {
 	partition="$(find_root_partition)"
 	echo "Mount root partition ($partition) to /sysroot (read-only)"
-	mount -t ext4 -o ro "$partition" /sysroot
+	type="$(get_partition_type "$partition")"
+	case "$type" in
+		ext4)
+			echo "Detected ext4 filesystem"
+			mount -t ext4 -o ro "$partition" /sysroot
+			;;
+		f2fs)
+			echo "Detected f2fs filesystem"
+			mount -t f2fs -o ro "$partition" /sysroot
+			;;
+		*)	echo "WARNING: Detected '$type' filesystem ($partition)." ;;
+	esac
 	if ! [ -e /sysroot/usr ]; then
 		echo "ERROR: unable to mount root partition!"
 		show_splash /splash-mounterror.ppm.gz
diff --git a/main/postmarketos-mkinitfs/mkinitfs_functions.sh b/main/postmarketos-mkinitfs/mkinitfs_functions.sh
index a96a66f46..bd0581adb 100644
--- a/main/postmarketos-mkinitfs/mkinitfs_functions.sh
+++ b/main/postmarketos-mkinitfs/mkinitfs_functions.sh
@@ -225,6 +225,7 @@ get_binaries_extra()
 		/usr/lib/ts/*
 		/usr/sbin/parted
 		/usr/sbin/resize2fs
+		/usr/sbin/resize.f2fs
 		/usr/sbin/thd
 	"
 
diff --git a/pmaports.cfg b/pmaports.cfg
index b3a193f73..99cab9410 100644
--- a/pmaports.cfg
+++ b/pmaports.cfg
@@ -3,3 +3,4 @@
 version=7
 pmbootstrap_min_version=1.29.0
 channel=edge
+supported_root_filesystems=ext4,f2fs