2 files changed, 78 insertions, 0 deletions
diff --git a/package/skeleton-init-systemd/Config.in b/package/skeleton-init-systemd/Config.in
new file mode 100644
index 0000000000..2d8845c281
--- /dev/null
+++ b/package/skeleton-init-systemd/Config.in
@@ -0,0 +1,7 @@
+config BR2_PACKAGE_SKELETON_INIT_SYSTEMD
+	bool
+	select BR2_PACKAGE_HAS_SKELETON
+	select BR2_PACKAGE_SKELETON_COMMON
+
+config BR2_PACKAGE_PROVIDES_SKELETON
+	default "skeleton-init-systemd" if BR2_PACKAGE_SKELETON_INIT_SYSTEMD
diff --git a/package/skeleton-init-systemd/skeleton-init-systemd.mk b/package/skeleton-init-systemd/skeleton-init-systemd.mk
new file mode 100644
index 0000000000..b2a6e266b4
--- /dev/null
+++ b/package/skeleton-init-systemd/skeleton-init-systemd.mk
@@ -0,0 +1,71 @@
+################################################################################
+#
+# skeleton-init-systemd
+#
+################################################################################
+
+# The skeleton can't depend on the toolchain, since all packages depends on the
+# skeleton and the toolchain is a target package, as is skeleton.
+# Hence, skeleton would depends on the toolchain and the toolchain would depend
+# on skeleton.
+SKELETON_INIT_SYSTEMD_ADD_TOOLCHAIN_DEPENDENCY = NO
+SKELETON_INIT_SYSTEMD_ADD_SKELETON_DEPENDENCY = NO
+
+SKELETON_INIT_SYSTEMD_DEPENDENCIES = skeleton-common
+
+SKELETON_INIT_SYSTEMD_PROVIDES = skeleton
+
+ifeq ($(BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW),y)
+
+define SKELETON_INIT_SYSTEMD_ROOT_RO_OR_RW
+	echo "/dev/root / auto rw 0 1" >$(TARGET_DIR)/etc/fstab
+	mkdir -p $(TARGET_DIR)/var
+endef
+
+else
+
+# On a R/O rootfs, /var is a tmpfs filesystem. So, at build time, we
+# redirect /var to the "factory settings" location. Just before the
+# filesystem gets created, the /var symlink will be replaced with
+# a real (but empty) directory, and the "factory files" will be copied
+# back there by the tmpfiles.d mechanism.
+define SKELETON_INIT_SYSTEMD_ROOT_RO_OR_RW
+	mkdir -p $(TARGET_DIR)/etc/systemd/tmpfiles.d
+	mkdir -p $(TARGET_DIR)/usr/share/factory/var
+	ln -s usr/share/factory/var $(TARGET_DIR)/var
+	echo "/dev/root / auto ro 0 1" >$(TARGET_DIR)/etc/fstab
+	echo "tmpfs /var tmpfs mode=1777 0 0" >>$(TARGET_DIR)/etc/fstab
+endef
+
+define SKELETON_INIT_SYSTEMD_PRE_ROOTFS_VAR
+	rm -f $(TARGET_DIR)/var
+	mkdir $(TARGET_DIR)/var
+	for i in $(TARGET_DIR)/usr/share/factory/var/*; do \
+		j="$${i#$(TARGET_DIR)/usr/share/factory}"; \
+		if [ -L "$${i}" ]; then \
+			printf "L+! %s - - - - %s\n" \
+				"$${j}" "../usr/share/factory/$${j}" \
+			|| exit 1; \
+		else \
+			printf "C! %s - - - -\n" "$${j}" \
+			|| exit 1; \
+		fi; \
+	done >$(TARGET_DIR)/etc/tmpfiles.d/var-factory.conf
+endef
+SKELETON_INIT_SYSTEMD_ROOTFS_PRE_CMD_HOOKS += SKELETON_INIT_SYSTEMD_PRE_ROOTFS_VAR
+
+define SKELETON_INIT_SYSTEMD_POST_ROOTFS_VAR
+	rm -rf $(TARGET_DIR)/var
+	ln -s usr/share/factory/var $(TARGET_DIR)/var
+endef
+SKELETON_INIT_SYSTEMD_ROOTFS_POST_CMD_HOOKS += SKELETON_INIT_SYSTEMD_POST_ROOTFS_VAR
+
+endif
+
+define SKELETON_INIT_SYSTEMD_INSTALL_TARGET_CMDS
+	mkdir -p $(TARGET_DIR)/home
+	mkdir -p $(TARGET_DIR)/srv
+	$(SKELETON_INIT_SYSTEMD_ROOT_RO_OR_RW)
+endef
+
+$(eval $(generic-package))