programs: ship picocom

hosts/common/programs/assorted.nix

@@ -89,6 +89,7 @@ in
       # "openssl"
       "parted"
       "pciutils"
+      "picocom"  # serial TTY
       "powertop"
       "ps"
       "pstree"
@@ -917,6 +918,9 @@ in
       "/sys/devices"
     ];
 
+    # e.g. `picocom -b 115200 /dev/ttyUSB0`
+    picocom.sandbox.autodetectCliPaths = "existingFile";
+
     powersupply.sandbox.method = null;  #< TODO: sandbox
 
     powertop.sandbox.capabilities = [ "ipc_lock" "sys_admin" ];