utilize regexp to dynamically set mender_grub_storage_device

Changelog: Title Signed-off-by: Mirza Krak <mirza.krak@northern.tech>
mendersoftware · Apr 17, 2020 · 9f1621b · 9f1621b
1 parent c5dd50c
commit 9f1621b
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diff --git a/05_mender_setup_grub.cfg b/05_mender_setup_grub.cfg
@@ -110,3 +110,5 @@ if [ "${upgrade_available}" = "1" ]; then
 
     mender_save_env
 fi
+
+regexp (.*),(.*) $root -s mender_grub_storage_device
diff --git a/mender_grubenv_defines.example b/mender_grubenv_defines.example
@@ -11,10 +11,6 @@ mender_rootfsb_part=3
 # Device file corresponding to the root filesystem partitions, without index.
 mender_kernel_root_base=/dev/mmcblk0p
 
-# Name of the storage device containing root filesystem partitions in GRUB
-# format.
-mender_grub_storage_device=hd0
-
 # Type of kernel (bzImage or zImage)
 kernel_imagetype=bzImage