From 153eedce15b15792cd46c55384581c3d3a5ed09c Mon Sep 17 00:00:00 2001
From: Andrew Cady <d@cryptonomic.net>
Date: Mon, 18 Jan 2021 19:30:21 -0500
Subject: omfg why dont it werk

---
 src/partvi | 99 +++++++++++++++++++-------------------------------------------
 1 file changed, 30 insertions(+), 69 deletions(-)

diff --git a/src/partvi b/src/partvi
index f1f3d36..97665a5 100755
--- a/src/partvi
+++ b/src/partvi
@@ -191,26 +191,22 @@ create_ptable_conf()
         devsz=$(stat -L -c '%s' "$part") || return
         [ "$start" -a "$devsz" ] || return
 
+        [ "$((devsz % 512))" -eq 0 ]
+
         case "$type" in
-                partition-table)
-                        start=$((start + devsz))
-                        return;;
-                efi-system-partition) typecode=ef00 ;;
-                bios-grub) typecode=ef02 ;;
-                samizdat-*) typecode=8e00 ;;
-                dm-verity-hashes|dm-verity-data) typecode=8e00 ;;
+                partition-table) start=$((start + devsz)); return;;
+                efi-system-partition) typecode=C12A7328-F81F-11D2-BA4B-00A0C93EC93B ;;
+                bios-grub)            typecode=21686148-6449-6E6F-744E-656564454649 ;;
+                *)                    typecode=0FC63DAF-8483-4772-8E79-3D69D8477DE4 ;;
         esac
 
-        set -- --new "$i:$start:$((start + devsz - 1))" --change-name "$i:$name"
-
-        if [ "$typecode" ]
-        then
-                set -- "$@" --typecode "$i:$typecode"
-        fi
-        printf '%s\0' "$@" >> "$ptable"
-
-        typecode=0FC63DAF-8483-4772-8E79-3D69D8477DE4
-        printf '%d: start=%d, size=%d, type=%s, name="%s"\n' "$i" "$((start / 512))" "$((devsz / 512))" "$typecode" "$name" >> "$ptable.sfdisk"
+        printf '%d: start=%d, size=%d, type=%s, name="%s"\n' \
+                "$i" \
+                "$((start / 512))" \
+                "$((devsz / 512))" \
+                "$typecode" \
+                "$name" \
+                >> "$ptable.sfdisk"
         let ++i
         start=$((start + devsz))
 }
@@ -227,18 +223,12 @@ then sudo=
 else sudo=sudo
 fi
 
-map_name=samline
-
-quietly $sudo umount *.mnt
-quietly $sudo kpartx -dv /dev/mapper/"$map_name"
-quietly $sudo dmsetup remove "$map_name"
-quietly $sudo losetup -D
-
-#       map=$builddir/dmsetup.map
-#       : > "$map"
-#       start=0
-#       iterate_partitions create_dmsetup_map
-#       $sudo dmsetup -v create "$map_name" "$map"
+if whole=$(losetup -j whole.img -O NAME --noheadings)
+then
+        quietly $sudo umount *.mnt
+        quietly $sudo kpartx -dv "$whole"
+        quietly $sudo losetup -D
+fi
 
 sfdisk_init()
 {
@@ -256,7 +246,7 @@ sfdisk_init()
 label: gpt
 unit: sectors
 first-lba: 34
-# last-lba: ${LAST_LBA}
+last-lba: ${LAST_LBA}
 
 END
 }
@@ -280,33 +270,6 @@ pee_on_table()
         $sudo sfdisk -Y MBR --dump "$dev" || return
 }
 
-
-
-# exit
-#
-# dev=/dev/mapper/$map_name
-# (
-#         set --
-#         i=1
-#         while read a b c d e
-#         do
-#                 echo "a=$a c=$c"
-#                 [ "$a" -gt 0 ] || continue
-#                 [ "$b" -gt 2048 ] || continue
-#                 [ "$c" = linear ] || continue
-#
-#                 set -- "$@" -n "$i:$a:$((a + b - 1))"
-#                 let ++i
-#         done < "$map"
-#         $sudo sgdisk -o "$@" -p "$dev"
-# )
-# $sudo kpartx -u "$dev"
-
-# $sudo kpartx -a "$dev"
-
-# $sudo kpartx -d "$dev"
-# $sudo dmsetup remove "$map_name"
-
 truncate -s0 whole.img
 for f in part*.conf
 do
@@ -318,15 +281,15 @@ $sudo losetup -L -f whole.img
 whole=$(losetup -j whole.img -O NAME --noheadings)
 (pee_on_table "$whole") || exit
 
-map_name=${whole#/dev/}
-$sudo kpartx -a "$whole"
+$sudo kpartx -u "$whole"
 
 target=x86_64-efi
 target=i386-pc
-set -- grub-install --target=$target --removable # --boot-directory=/mnt/boot --efi-directory=/mnt
+set -- grub-install -s -v --target=$target --removable # --boot-directory=/mnt/boot --efi-directory=/mnt
 
 for f in part*.conf
 do
+        [ "$f" != part0.conf ] || continue
         notice "Processing $f"
         img=${f%.conf}
         dev=/dev/mapper/${whole#/dev/}p${img#part}
@@ -336,6 +299,7 @@ do
         require_var name
         require_var type
         case "$type" in
+                dm-verity-hashes|partition-table) ;;
                 efi-system-partition|bios-grub)
                         mkdir -p "$mnt"
                         loudly $sudo mount "$dev" "$mnt"
@@ -348,15 +312,14 @@ do
                                 set -- "$@" --efi-directory="$mnt"
                         fi
                 ;;
+                *) mkdir -p "$mnt"
+                   loudly $sudo mount "$dev" "$mnt"
+                   ;;
                 *) notice "Not mounting $name" ;;
         esac
 done
 
-#loudly ls -l /dev/mapper/
-#loudly $sudo grub-probe -v -d "$whole"
-
-loudly $sudo "$@" -v -s --force "$whole"
-exit
+loudly $sudo "$@" "$whole"
 
 for f in part*.conf
 do
@@ -367,7 +330,5 @@ do
                 $sudo rmdir "$mnt"
         fi
 done
-
-quietly $sudo kpartx -dv "$dev"
-quietly $sudo dmsetup remove "$map_name"
-quietly $sudo losetup -D
+loudly $sudo kpartx -d "$whole"
+loudly $sudo losetup -d "$whole"
-- 
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