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Generate random name for images

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This commit is contained in:
Dennis ten Hoove 2023-08-11 08:04:36 +02:00
parent 5ac473606e
commit 162472560b
1 changed files with 20 additions and 3 deletions
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23
arkanium-build
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@ -54,6 +54,16 @@ cleanup_and_quit () {
}
# Generate a 42 character long random string, used for generating psuedo-random
# image names
gen_random_string () {
random=$(openssl rand -hex 100 | head -c 42)
printf "${random}\n"
}
## Error checking
#
# Quit if not root
@ -143,11 +153,18 @@ if [[ $type == 'archlinux' ]]; then
btrfs property set -ts $workdir/etc ro true
btrfs property set -ts $workdir/var ro true
# Generate random name for new image
declare -r image_name=$(gen_random_string)
# Create dir for storing the images
mkdir -vp $(readlink -m $output_target/$image_name)
# Write subvolume to image
printf "\e[1;34m-->\e[0m\e[1m Creating images...\e[0m\n"
btrfs send -f $output_target/rootfs.img $workdir
btrfs send -f $output_target/etc.img $workdir/etc
btrfs send -f $output_target/var.img $workdir/var
btrfs send -f $output_target/$image_name/rootfs.img $workdir
btrfs send -f $output_target/$image_name/etc.img $workdir/etc
btrfs send -f $output_target/$image_name/var.img $workdir/var
cleanup_and_quit
fi