[PATCH v2 1/4] rootfs: Implement update-initramfs stubs via symlink

["'Jan Kiszka' via isar-users" <isar-users@googlegroups.com>]

From: Jan Kiszka <jan.kiszka@siemens.com>

Avoid needless copying of any files. Consolidate the sudo calls into one
at this chance.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Acked-by: Felix Moessbauer <felix.moessbauer@siemens.com>
---
 meta/classes/rootfs.bbclass | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/meta/classes/rootfs.bbclass b/meta/classes/rootfs.bbclass
index ebe3bf4a..956a6089 100644
--- a/meta/classes/rootfs.bbclass
+++ b/meta/classes/rootfs.bbclass
@@ -182,8 +182,12 @@ ROOTFS_CONFIGURE_COMMAND += "rootfs_disable_initrd_generation"
 rootfs_disable_initrd_generation[weight] = "1"
 rootfs_disable_initrd_generation() {
     # fully disable initrd generation
-    sudo mkdir -p "${ROOTFSDIR}${ROOTFS_STUBS_DIR}"
-    sudo cp -a ${ROOTFSDIR}/usr/bin/true ${ROOTFSDIR}${ROOTFS_STUBS_DIR}/update-initramfs
+    sudo -s <<'EOSUDO'
+    set -e
+
+    mkdir -p "${ROOTFSDIR}${ROOTFS_STUBS_DIR}"
+    ln -s /usr/bin/true ${ROOTFSDIR}${ROOTFS_STUBS_DIR}/update-initramfs
+EOSUDO
 }
 
 ROOTFS_INSTALL_COMMAND += "rootfs_install_pkgs_update"
-- 
2.51.0

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