+ set -e
+ IMAGE_NAME=pine64-stretch-20181012-sopine.img
+ IMAGE_SIZE=6144M
+ PART_POSITION=20480
+ FAT_SIZE=100
+ SWAP_SIZE=2048
+ [ -z pine64-stretch-20181012-sopine.img ]
+ fallocate -l 6144M pine64-stretch-20181012-sopine.img
+ + cat
fdisk pine64-stretch-20181012-sopine.img

Welcome to fdisk (util-linux 2.29.2).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.

Device does not contain a recognized partition table.
Created a new DOS disklabel with disk identifier 0x1ee3d570.

Command (m for help): Created a new DOS disklabel with disk identifier 0x0d4d65c7.

Command (m for help): Partition type
   p   primary (0 primary, 0 extended, 4 free)
   e   extended (container for logical partitions)
Select (default p): Partition number (1-4, default 1): First sector (2048-12582911, default 2048): Last sector, +sectors or +size{K,M,G,T,P} (40960-12582911, default 12582911):
Created a new partition 1 of type 'Linux' and of size 100 MiB.

Command (m for help): Selected partition 1
Partition type (type L to list all types): Changed type of partition 'Linux' to 'W95 FAT32 (LBA)'.

Command (m for help): Partition type
   p   primary (1 primary, 0 extended, 3 free)
   e   extended (container for logical partitions)
Select (default p): Partition number (2-4, default 2): First sector (2048-12582911, default 2048): Last sector, +sectors or +size{K,M,G,T,P} (245760-12582911, default 12582911):
Created a new partition 2 of type 'Linux' and of size 2 GiB.

Command (m for help): Partition number (1,2, default 2): Partition type (type L to list all types):
Changed type of partition 'Linux' to 'Linux swap / Solaris'.

Command (m for help): Partition type
   p   primary (2 primary, 0 extended, 2 free)
   e   extended (container for logical partitions)
Select (default p): Partition number (3,4, default 3): First sector (2048-12582911, default 2048): Last sector, +sectors or +size{K,M,G,T,P} (4440064-12582911, default 12582911): Last sector, +sectors or +size{K,M,G,T,P} (4440064-12582911, default 12582911): Value out of range.
Last sector, +sectors or +size{K,M,G,T,P} (4440064-12582911, default 12582911): Value out of range.
Last sector, +sectors or +size{K,M,G,T,P} (4440064-12582911, default 12582911): Last sector, +sectors or +size{K,M,G,T,P} (4440064-12582911, default 12582911): Value out of range.
Last sector, +sectors or +size{K,M,G,T,P} (4440064-12582911, default 12582911): Last sector, +sectors or +size{K,M,G,T,P} (4440064-12582911, default 12582911):
Do you really want to quit?