feat: add resizefs service

recipes-bsp/diya-resizefs/diya-resizefs.bb

@@ -0,0 +1,19 @@
+
+DESCRIPTION = "Auto resize file system on first boot"
+DEPENDS = ""
+RDEPENDS:${PN} = "bash"
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302"
+
+SRC_URI += " file://resize2fs.service file://firstboot file://expandfs \
+            "
+inherit systemd
+SYSTEMD_PACKAGES = "${PN}"
+SYSTEMD_SERVICE:${PN} = "resize2fs.service"
+
+do_install() {
+    install -m 0644 ${UNPACKDIR}/firstboot ${D}${sysconfdir}/firstboot
+    install -m 0755 ${UNPACKDIR}/expandfs ${D}/usr/sbin/expandfs
+    install -D -p -m0644 ${UNPACKDIR}/resize2fs.service \
+      ${D}${systemd_unitdir}/system/resize2fs.service
+}

recipes-bsp/diya-resizefs/files/expandfs

@@ -0,0 +1,14 @@
+#! /bin/sh
+. /etc/profile
+PATH=/sbin:/bin:/usr/sbin:/usr/bin
+PARTNO=4
+if [ -z "$DISK" ]; then
+    DISK="mmcblk0"
+fi
+
+if [ "$(/usr/bin/id -u)" -ne 0 ]; then
+    echo "$0 shall be run as root"
+    exit 1
+fi
+yes | parted  ---pretend-input-tty  /dev/mmcblk0 resizepart ${PARTNO} 100%
+resize2fs /dev/${DISK}p${PARTNO}

recipes-bsp/diya-resizefs/files/resize2fs.service

@@ -0,0 +1,12 @@
+[Unit]
+Description=Resize home partition
+ConditionPathExists=/etc/firstboot
+
+[Service]
+Type=oneshot
+ExecStart=/sbin/expandfs
+ExecStartPost=rm /etc/firstboot
+RemainAfterExit=yes
+
+[Install]
+WantedBy=multi-user.target