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helper functions

These functions focus on the installation of devuan directly to disk using the zfs filesystem as the root fs.

you can find these blend helper functions in blends/${blend_name}/helpers.

additional or overridden helper functions to add or test functionality or workarounds specific to the blend to avoid changes to the sdk.

build_metal_dist()

defines the sequence of calls that will result in a devuan install with root and boot zfs to one or two disks (mirrored) using either grub-pc or grub-efi to boot.

blend_bootstrap_setup()

Overide the post 'debootstrap stage 2' placeholder function of zlib/debootstrap bootstrap_complete_base.
The default is return 0

install-custdebs()

Override the helper function:

takes the 'apt-get -f' out of the loop so that dependency provided by other debs can be resolved.
inside the loop it just uninstalls the deb because of unfullfilled deps.

install-deb-from-dsc() : WIP

In the style of install-custdebs above but building from the source package using dsc
takes a list of package names, looks up the corresponding dsc using it to build and install.

install-deb-from-git_gbp() : WIP

take a list of package names and for each select the appropriate salsa/devuan git repo
pull in sources, build using gbp
place the resulting debs in the custdebs location.

install-custscripts()

Added function:

In the style of install-custdebs above but for a collection of arbitrary scripts placed in a
directory alongside the blend custom debs called automate.
The scripts are copied from the blends scripts directory to extra/custom-scripts in blend_preinst() above.
Called after install-customdebs because some need checkinstall which disappears from archives.

add-user()

Override the helper function:

Allow an alternative skel directory

enable_apt-proxy()

disable_apt-proxy()

bootstrap_cpio_unpack()

Overide the sdk version of this function to prevent deletion prior to unpacking the cpio as we have mountpoints in place.

image_partition_disk_zfs()

partition available disks using sgdisk

image_format_partitions_zfs()

format the efi partions to fat32
make the swap partitions
create the zfs root and boot pools

use_swap_partition()

calls swapon on the new swap partitions

image_zfs_mount()

mounts the zfs pools to the bootstrap directory
mounts the efi partition to the bootstrap /boot
mounts dev proc and sys

image_zfs_umount()

the reverse of image_zfs_mount

get_selections()

gets dpkg selections and places three files in /var/tmp:
/var/tmp/packages.list
/var/tmp/pkgs_auto.lst
/var/tmp/pkgs_manual.lst

set_selections()

uses three files to replicate the installed packages of another system.

/var/tmp/packages.list
/var/tmp/pkgs_auto.lst
/var/tmp/pkgs_manual.lst

enablessh()

this function will allow a root or user login in the bootstrapped root using:

ssh-copy-id default@192.168.1.x

install_kernel_headers()

could go in blends/devuan-desktop-live/config $extra_packages and remove headers in blends/devuan-desktop-live/chimaera/config $purge_packages

install_zfs()

installs zfs and supporting packages and sets some parameters.

install_grub()

installs grub related packages, configures and runs the approprate grub for the install type pc or efi.

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