NetCube-Systems-Austria/kumquat-buildroot
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system: introduce a choice for /var management

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Currently, we have a single solution to handle the /var content on a
read-only root filesystem, and users can opt out of using it.

We're going to introduce another solution (based on an overlayfs), which
is incompatible with using the factory, so we'll have a choice of three
mutually exclusive options.

Introduce that choice now with just the existing /var factory, and a new
option to opt out of it.

Signed-off-by: Yann E. MORIN <yann.morin@orange.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
Cc: Norbert Lange <nolange79@gmail.com>
Cc: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Cc: Romain Naour <romain.naour@smile.fr>
Cc : Jérémy Rosen <jeremy.rosen@smile.fr>
Acked-by: Norbert Lange <nolange79@gmail.com>
Signed-off-by: Arnout Vandecappelle <arnout@mind.be>
This commit is contained in:
Yann E. MORIN 2023-01-15 13:52:46 +01:00 committed by Arnout Vandecappelle
parent 1316b4ef31
commit 4c185a42fd
1 changed files with 19 additions and 3 deletions
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22
system/Config.in
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@ -159,10 +159,16 @@ endchoice
if BR2_INIT_SYSTEMD
config BR2_INIT_SYSTEMD_VAR_FACTORY
bool "build a factory to populate a tmpfs on /var"
default y # legacy
choice
bool "/var management"
default BR2_INIT_SYSTEMD_VAR_FACTORY # legacy
depends on !BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW
help
Select how Buildroot provides a read-write /var when the
rootfs is not remounted read-write.
config BR2_INIT_SYSTEMD_VAR_FACTORY
bool "build a factory to populate a tmpfs"
help
Build a factory of the content of /var as installed by
packages, mount a tmpfs on /var at runtime, so that
@ -184,6 +190,16 @@ config BR2_INIT_SYSTEMD_VAR_FACTORY
var.mount unit, that overrides the What and Type, and possibly
the Options and After, fields.
config BR2_INIT_SYSTEMD_VAR_NONE
bool "do nothing"
help
Choose this if you have custom dispositions (like one or more
of a post-build script, a fakeroot script, systemd units, an
initramfs, or something else) that prepare /var to be writable
on a read-only rootfs.
endchoice
config BR2_INIT_SYSTEMD_POPULATE_TMPFILES
bool "trigger systemd-tmpfiles during build"
default y # legacy