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-rw-r--r--docs/ENVIRONMENT.md3
1 files changed, 3 insertions, 0 deletions
diff --git a/docs/ENVIRONMENT.md b/docs/ENVIRONMENT.md
index 7caa951814..fc173289d9 100644
--- a/docs/ENVIRONMENT.md
+++ b/docs/ENVIRONMENT.md
@@ -51,6 +51,9 @@ All tools:
* `$SYSTEMD_FSTAB` — if set, use this path instead of `/etc/fstab`. Only useful
for debugging.
+* `$SYSTEMD_SYSROOT_FSTAB` — if set, use this path instead of
+ `/sysroot/etc/fstab`. Only useful for debugging `systemd-fstab-generator`.
+
* `$SYSTEMD_CRYPTTAB` — if set, use this path instead of `/etc/crypttab`. Only
useful for debugging. Currently only supported by
`systemd-cryptsetup-generator`.