From c08551a63baa3cab98a6172cb819f7b8b62ba0d0 Mon Sep 17 00:00:00 2001
From: Andrew Cady <d@cryptonomic.net>
Date: Tue, 23 Feb 2021 22:05:53 -0500
Subject: key-only mode for partvi; integrated partvi

These commands are available in sami:

        make upgrade

        make emu

        make key

They use partvi.
---
 Makefile            |  9 ++++-----
 partitions/Makefile | 12 ++++++++++--
 src/partvi          | 13 ++++++++++++-
 3 files changed, 26 insertions(+), 8 deletions(-)

diff --git a/Makefile b/Makefile
index 1cd71a1..9892c7f 100644
--- a/Makefile
+++ b/Makefile
@@ -167,11 +167,10 @@ FORCE:
 $(btrfs_images): FORCE
 	$(MAKE) -C rootfs $(notdir $@)
 
-.PHONY: usb key
-usb: rootfs
-	sudo ROOTFS=rootfs/$(rootfs) ./src/parted-usb.sh USB
-key:
-	sudo ROOTFS=none ./src/parted-usb.sh USB
+.PHONY: usb key emu
+usb emu: rootfs
+usb key emu:
+	make -C partitions $@
 
 boot: rootfs
 	sudo ./src/mkinitramfs-samizdat
diff --git a/partitions/Makefile b/partitions/Makefile
index cf8ac28..a1a7fea 100644
--- a/partitions/Makefile
+++ b/partitions/Makefile
@@ -6,12 +6,20 @@ all: whole.img
 whole.img:
 	partvi
 
-.PHONY: usb emu
+key.img:
+	partvi key
+
+.PHONY: usb emu key
 usb: whole.img
-	usb=$$(usb) && dd status=progress if="$<" of="$$usb"
+	usb=$$(usb) && sudo dd status=progress if="$<" of="$$usb"
 
 emu: whole.img
 	qemu-system-x86_64 -m 800 -enable-kvm -boot c "$<"
 
+key: key.img
+	usb=$$(usb) && \
+		sudo dd status=progress bs=1048576 if="$<" of="$$usb" && \
+		sudo qemu-system-x86_64 -m 800 -enable-kvm -boot c "$$usb"
+
 clean:
 	rm -rf _build whole.img
diff --git a/src/partvi b/src/partvi
index e35169e..ddf4e45 100755
--- a/src/partvi
+++ b/src/partvi
@@ -207,6 +207,7 @@ create_ptable_conf()
                 partition-table) start=$((start + devsz)); return;;
                 efi-system-partition) typecode=C12A7328-F81F-11D2-BA4B-00A0C93EC93B ;;
                 dm-verity-data|dm-verity-hashes)
+                    check_for_key_only_skip || return 0
                     case "$name" in
                         samizdat-rootfs|samizdat-root-patch) typecode=4f68bce3-e8cd-4db1-96e7-fbcaf984b709 ;;
                         samizdat-root-patch-verity) typecode=2c7357ed-ebd2-46d9-aec1-23d437ec2bf5 ;;
@@ -319,10 +320,20 @@ pee_on_table()
         $sudo sfdisk -Y dos "$dev" < "$DOS_TABLE_FILE" || return
 }
 
+check_for_key_only_skip()
+{
+        [ "$KEY_ONLY" ] || return 0
+        case "$type" in
+                dm-verity-data|dm-verity-hashes) false ;;
+                *) true ;;
+        esac
+}
 
 clone_parts_to_target()
 {
-        f=$(readlink -e _build/"${f%.conf}") || break
+
+        check_for_key_only_skip || return 0
+        f=$(readlink -e _build/"${f%.conf}") || return
         ficlonerange.py "$f" "$target"
 }
 
-- 
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