[Buildroot] [PATCH 20/24] package/skeleton-systemd: new package

[Yann E. MORIN]

Given the very few things to create in the skeleton, there is no real
need in having a pre-populated skeleton that we rsync. We can very well
just create the directory structure with simple mkdir commands.

systemd does not like being booted without any timezone info, so we
forcibly enable that. If there is no default timezone set, we fallback
to UTC (which is basically what no TZ means anyway).

Signed-off-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
---
 package/Config.in                            |  1 +
 package/skeleton-systemd/Config.in           |  7 +++++
 package/skeleton-systemd/skeleton-systemd.mk | 43 ++++++++++++++++++++++++++++
 system/Config.in                             |  3 +-
 4 files changed, 53 insertions(+), 1 deletion(-)
 create mode 100644 package/skeleton-systemd/Config.in
 create mode 100644 package/skeleton-systemd/skeleton-systemd.mk

diff --git a/package/Config.in b/package/Config.in
index 6956a2a..82d169d 100644
--- a/package/Config.in
+++ b/package/Config.in
@@ -4,6 +4,7 @@ menu "Target packages"
 	source "package/skeleton/Config.in"
 	source "package/skeleton-common/Config.in"
 	source "package/skeleton-custom/Config.in"
+	source "package/skeleton-systemd/Config.in"
 	source "package/skeleton-sysv/Config.in"
 
 menu "Audio and video applications"
diff --git a/package/skeleton-systemd/Config.in b/package/skeleton-systemd/Config.in
new file mode 100644
index 0000000..c507264
--- /dev/null
+++ b/package/skeleton-systemd/Config.in
@@ -0,0 +1,7 @@
+config BR2_PACKAGE_SKELETON_SYSTEMD
+	bool
+	select BR2_PACKAGE_HAS_SKELETON
+	select BR2_PACKAGE_SKELETON_COMMON
+
+config BR2_PACKAGE_PROVIDES_SKELETON
+	default "skeleton-systemd" if BR2_PACKAGE_SKELETON_SYSTEMD
diff --git a/package/skeleton-systemd/skeleton-systemd.mk b/package/skeleton-systemd/skeleton-systemd.mk
new file mode 100644
index 0000000..e781ce9
--- /dev/null
+++ b/package/skeleton-systemd/skeleton-systemd.mk
@@ -0,0 +1,43 @@
+################################################################################
+#
+# skeleton-systemd
+#
+################################################################################
+
+SKELETON_SYSTEMD_SOURCE =
+
+SKELETON_SYSTEMD_PROVIDES = skeleton
+
+SKELETON_SYSTEMD_DEPENDENCIES = skeleton-common
+
+SKELETON_SYSTEMD_ADD_TOOLCHAIN_DEPENDENCY = NO
+SKELETON_SYSTEMD_ADD_SKELETON_DEPENDENCY = NO
+
+# In case we're not using systemd-networkd, use the sysv-like network infra;
+# otherwise, the necessary bits are installed by the systemd package.
+ifeq ($(BR2_PACKAGE_SYSTEMD_NETWORKD),)
+
+define SKELETON_SYSTEMD_RSYNC_NETWORK
+	 $(call SKELETON_RSYNC,system/skeleton-net,$(TARGET_DIR))
+endef
+
+define SKELETON_SYSTEMD_SET_NETWORK
+	ln -fs ../tmp/resolv.conf $(TARGET_DIR)/etc/resolv.conf
+	mkdir -p $(TARGET_DIR)/etc/network/
+	$(SKELETON_SET_NETWORK_IFUPDOWN_LOOPBACK)
+	$(SKELETON_SET_NETWORK_IFUPDOWN_DHCP)
+endef
+SKELETON_SYSTEMD_TARGET_FINALIZE_HOOKS += SKELETON_SYSTEMD_SET_NETWORK
+
+endif # BR2_PACKAGE_SYSTEMD_NETWORKD not set
+
+define SKELETON_SYSTEMD_INSTALL_TARGET_CMDS
+	mkdir -p $(TARGET_DIR)/etc
+	mkdir -p $(TARGET_DIR)/home
+	mkdir -p $(TARGET_DIR)/srv
+	mkdir -p $(TARGET_DIR)/var
+	echo "/dev/root / auto rw 0 1" >$(TARGET_DIR)/etc/fstab
+	$(SKELETON_SYSTEMD_RSYNC_NETWORK)
+endef
+
+$(eval $(generic-package))
diff --git a/system/Config.in b/system/Config.in
index 3792be2..17ce832 100644
--- a/system/Config.in
+++ b/system/Config.in
@@ -5,7 +5,8 @@ choice
 
 config BR2_ROOTFS_SKELETON_DEFAULT
 	bool "default target skeleton"
-	select BR2_PACKAGE_SKELETON_SYSV
+	select BR2_PACKAGE_SKELETON_SYSV    if !BR2_INIT_SYSTEMD
+	select BR2_PACKAGE_SKELETON_SYSTEMD if BR2_INIT_SYSTEMD
 	help
 	  Use default target skeleton
 
-- 
2.7.4