disko-install: document --mode flag more

2024-04-05 13:54:19 +00:00
parent 9fd80a030b
commit fbbac1aee6
1 changed files with 3 additions and 0 deletions
@@ -6,6 +6,9 @@ showUsage() {
  cat <<EOF
 Usage: $0 [OPTIONS]
  --mode MODE                 Specify the mode of operation. Valid modes are: format, mount.
+                              Format will format the disk before installing.
+                              Mount will mount the disk before installing.
+                              Mount is useful for updating an existing system without losing data.
  -f, --flake FLAKE_URI#ATTR  Use the specified flake to install the NixOS configuration.
  --disk NAME DEVICE          Map the specified disk name to the specified device path.
  --dry-run                   Print the commands that would be run, but do not run them.