From 319e8a24f991aa2d1a81ddf9319c8214b73c9027 Mon Sep 17 00:00:00 2001
From: Andrew Cady <d@jerkface.net>
Date: Sat, 10 Oct 2020 13:56:41 -0400
Subject: improvements

---
 src/parted-usb.sh | 57 +++++++++++++++++++++++++++++++++++++------------------
 1 file changed, 39 insertions(+), 18 deletions(-)

diff --git a/src/parted-usb.sh b/src/parted-usb.sh
index e688473..4047331 100755
--- a/src/parted-usb.sh
+++ b/src/parted-usb.sh
@@ -62,7 +62,7 @@ make_target_bootable()
     sync
 }
 
-release_target()
+release_target_kernel_resources()
 {
     umount "$mnt"
     kpartx -d "$dev"
@@ -92,7 +92,9 @@ add_keys()
 initrd_suffix=.samizdat
 add_initrd()
 {
-    rsync  -aL --info=STATS "${1}vmlinuz${2}" "${1}initrd.img${2}${initrd_suffix}" "$mnt"/linux/
+    mkdir -p "$mnt"/linux
+    rsync  -aL --info=STATS "${1}vmlinuz${2}" "$mnt"/linux/vmlinuz
+    rsync  -aL --info=STATS "${1}initrd.img${2}${initrd_suffix}" "$mnt"/linux/initrd.img
 }
 
 add_grub_cfg()
@@ -101,7 +103,7 @@ add_grub_cfg()
     cp -aL "$GRUB_CONFIG" "$mnt"/boot/grub
 }
 
-add_all()
+individualize()
 {
     add_keys
     add_initrd "$samizdat_linux_dir"/ "${version_suffix}"
@@ -117,8 +119,25 @@ sanity_checks()
     done
 }
 
+create_template()
+{
+    local target="${1}.tmp"
 
+    if [ ! -e "${target%.tmp}" ]
+    then
+        initialize_target
+        partition_target
+        make_target_bootable
+        release_target_kernel_resources
+        mv -T "$target" "${target%.tmp}"
+    fi
+}
 
+individualize_target_from()
+{
+    cp -T --reflink=always "$1" "$target"
+    with_target "$target" individualize
+}
 
 . samizdat-paths.sh || die 'samizdat-paths.sh not found'
 samizdat_linux_dir=/boot
@@ -126,27 +145,29 @@ samizdat_linux_dir=/boot
 : ${GRUB_CONFIG:=conf/grub.cfg}
 start_keys=64 # megs
 end_keys=256 # megs
-target=fallacy.img.tmp
+
+if [ "$1" ]
+then
+    version_suffix=-$1
+fi
+
 
 sanity_checks
 set -e
+template=boot-disk.template.img
+target=boot-disk.img.tmp
+final=${target%.tmp}
+create_template "$template"
+individualize_target_from "$template"
+mv -T "$target" "$final"
 
-if [ ! -e "$target" ]
-then
-    initialize_target
-    partition_target
-    make_target_bootable
-    release_target
-fi
 
-if [ "$1" ]
+installer_target=target-disk.img
+rm -f "$installer_target"
+if [ ! -e "$installer_target" ]
 then
-    version_suffix=-$1
+    fallocate -l 10G "$installer_target"
 fi
-cp --reflink=always "$target" "$target".keyed
-with_target "$target".keyed add_all
-
-qemu-system-x86_64 -enable-kvm -smp 2 -m 512 -k en-us -vga qxl -drive file="$target".keyed,format=raw
 
-# rm -f "$target"
+qemu-system-x86_64 -enable-kvm -smp 2 -m 512 -k en-us -vga qxl -drive file="$final",format=raw -drive file="$installer_target",format=raw
 
-- 
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