1 files changed, 8 insertions, 2 deletions

diff --git a/src/xorriso-usb.sh b/src/xorriso-usb.sh
index 2b3214f..03c6482 100644
--- a/src/xorriso-usb.sh
+++ b/src/xorriso-usb.sh
@@ -12,7 +12,7 @@ efi_dir=$samizdat_grub_efi_dir
 
 die() { printf "%s: Error: %s\n" "$0" "$*" >&2; exit 1; }
 
-TEMP="$(getopt -o '' --long bootloader,adam,usb,detach,in:,out:,test -n "$0" -- "$@")" ||
+TEMP="$(getopt -o '' --long bootloader,reuse-child:,adam,usb,detach,in:,out:,test -n "$0" -- "$@")" ||
     die 'getopt error'
 eval set -- "$TEMP"
 
@@ -26,6 +26,7 @@ while [ $# -gt 0 ]; do
         --test)   shift; QUICK_TEST=y;;
         --out)    CMDLINE_OUTDEV="$2"; USB=; shift 2;;
         --in)     INPUT_DEVICE="$2"; shift 2;;
+        --reuse-child) REUSE_CHILD=y; child_dir=$samizdat_child_dir/child."$2"; shift 2;;
         --)       shift; break;;
         *) die 'getopt error';;
     esac
@@ -139,7 +140,12 @@ grub-efi.sh || die "grub-efi.sh failed"
 
 choose_outdev
 
-generate_keys
+if [ "$REUSE_CHILD" ]; then
+    gnupghome=$child_dir/root/.gnupg
+    [ -d "$gnupghome" ] || die "invalid child"
+else
+    generate_keys
+fi
 
 try_mount()
 {