man: Mention environment variables for ESP location

Signed-off-by: Morten Linderud <morten@linderud.pw>
Foxboron · May 30, 2021 · 10ff8d2 · 10ff8d2
1 parent ba6dfc1
commit 10ff8d2
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/docs/sbctl.8.txt b/docs/sbctl.8.txt
@@ -144,6 +144,16 @@ All commands that take path arguments convert them into absolute paths when
 saving them to the database.
 
 
+Environment variables
+---------------------
+
+**SYSTEMD_ESP_PATH**, **ESP_PATH**::
+        Defines the EFI system partition (ESP) location. This overrides the
+        behaviour from **sbctl** where we query for the correct partition with
+        **lsblk**. No checks are performed on this path and can be usefull for testing
+        purposes.
+
+
 Files
 ----
 **/usr/share/secureboot**::