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When SOURCE_DATE_EPOCH was already set before 'lb config', also enable
UTC timestamps.
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is created
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We want to be resilient to small network hiccups and when you download
a large number of packages, the probability of a network hiccup are
increasing... as are the chances of hitting one of the apt bugs
(cf "Undetermined error"...).
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Note that this does not include grub-ieee1275 support so the images will
not be bootable, but it's a first step and produces ISOs without error.
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the design choice from when EFI support was introduced was to change
`--bootloader` to `--bootloaders`, with users specifying their selection
of BIOS and EFI bootloaders together. at this time there were not even any
decent validation checks being performed, and invalid combinations could
cause some chaos.
since then proper validation was put in place, including checking that
only a single instance of each of BIOS and EFI bootloaders exists in the
selection.
here we tweak things such that we stick with the same option, but we split
the selection up such that we store the BIOS and EFI selections separately
within the saved config file, and offer it up to scripts to help simplify
those scripts.
we must however retain support for splitting from the combined option,
both because we still use it in the combined option, and for backwards
compatibility with older saved configs.
Gbp-Dch: Short
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thus far, config bootloader validation only did the basic check that each
bootloader specified was a known and supported bootloader, it did not check
combinations.
it now checks combinations, and strips out the previous "bootloader role"
stuff.
the no-bootloaders warning is duplicated, covering two slightly different
situations (empty string, and whitespace string). this is anticipated to
be just temporary, with this just being the first step in better handling
bootloader selections.
Gbp-Dch: Short
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The core purpose of `Prepare_config()` is to prepare the config by setting
defaults where not specified. It should not be involved itself in
validation of user options.
This can be an important distinction, for instance in `clean` where we
use this function, but avoid validation to potentially allow for an option
that deletes the config, that should work even in the face of an invalid
config.
Gbp-Dch: Ignore
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Gbp-Dch: Ignore
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using `$VERSION` as part of the default `$LB_ISO_PREPARER` means that when
you simply run `lb config` once, this variable is stored as a part of the
string, and replaced on use, but if you run `lb config` twice, it gets
replaced with a fixed version, that is then used in all subsequent builds.
let's replace with a placeholder (`@LB_VERSION@`) that can be used both in
the default, or in user strings, and will be replaced on use only.
this means that subsequent builds will always reflect the actual version
of live-build used.
Gbp-Dch: Ignore
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`DATE_UTC_OPTION` is set in `Prepare_config()` for use by scripts, even
though only a few scripts will actually use it, since it allows those
scripts to be cleaner. we may want to possibly extend this as a
`DATE_OPTIONS` variable perhaps as part of enabling proper reproduciblity.
Gbp-Dch: Short
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all roads lead to debian
i was waiting to get to the work on properly tackling the mode stuff, but
let's just tidy this now...
Gbp-Dch: Ignore
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This is considered to be more robust.
Two instances remain:
scripts/build/chroot_archives, line 257:
if [ "${LB_APT}" = "aptitude" ] && [ ! $(Chroot chroot "which aptitude") ]
The command is run inside a chroot where the environment might be special,
and would need further testing.
manpages/Makefile, line 42:
@if [ ! -x "$$(which po4a 2>/dev/null)" ]; \
I am insufficiently familiar with makefile syntax to edit this.
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this is already covered by the check above it
Gbp-Dch: Ignore
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no backwards compatibility hack for reading the old var from existing
saved config used because this was previously stored in the alternate
format config/build file.
Gbp-Dch: Short
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no backwards compatibility hack for reading the old var from existing
saved config used because this was previously stored in the alternate
format config/build file.
Gbp-Dch: Short
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back in v4.0~a6-1 a transition process was started to move the live-build
config to a new format. the new format was INI style, and required
parsing functions to read/write values, compared to the existing format
which was just shell script code setting variables.
this partial transition is the explanation for the existence of the
`New_configuration()` function, and understanding this is important to
understanding the purpose of it - it is not in fact intended for creating
a new configuration, it is just related to the new config format
transition.
the positives of the new format were that it was somewhat cleaner looking,
while the negative was the terrible relative efficiency.
the file `config/build` was created to hold options in this new format.
the transition was only ever completed for a handful of config options:
- architecture
- archive areas and parent archive areas
- live image name
- live image type
a 'configuration version' attribute was also saved, which is not used by
anything.
the bootstrap-mirror and parent-bootstrap-mirror attributes are pointlessly
stored in it seemingly resulting from work done in v4.0~a17-1. (they are
also stored in another config file from which the value is actually used).
it in fact seems to have been a source of confusion for Raphaël in
authoring 44b9b0a6501476de594ce3783cea5df0c141478c, since the new
`[parent]-distribution-{chroot|binary}` options it introduced were stored
both in `config/bootstrap` and in `config/build`, while only used from the
former. i expect, understandably, that he thought that `config/build` was
just an information file.
Gbp-Dch: Short
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Custom hook scripts may use the variable. And conditional package lists
can also rely on this variable.
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this was previously not done in 8b109ffb96282a6dd1aa5d61aa935bcba69c56f1
to keep the renaming simple, but leaving the variable plural is a cause
for confusion.
since this property is stored in the INI style config/build config file
rather than a shell script based one, at the property there is already
singular, there was no need for a backwards compatibility hack.
Gbp-Dch: Short
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being done in Prepare_config() meant that it would get saved into the
config stored on disk which is not what was intended.
being saved on disk is not a big problem, since the injection of the
dynamically determined option is always done on top of the value read
from the saved config anyway, so you'd always end up with two copies of
the option given to apt, the first being from the saved config, the second
being the more correct dynamically determined one, overriding the first.
so there is no functional change here, just better achieving what was
intended.
Gbp-Dch: Ignore
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Gbp-Dch: Ignore
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note that the bit of code removed from source_debian relies upon a
variable LB_TASKS which itself is an old leftover artefact from before
v4.0.
Gbp-Dch: Short
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--net-root-path probably needs to go too, but it is being used for
something i don't fully understand currently.
Gbp-Dch: Short
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since everywhere where 'apt' is a permitted value, 'apt-get' is also, it
just wasn't listed in the option's documentation and thus was also not
listed in the new validation check.
Gbp-Dch: Short
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80aa5ab61100b6b11ae47984bab9a2eb988074f5 implemented a hack to handle
replacement of LB_LINUX_FLAVOURS with LB_LINUX_FLAVOURS_WITH_ARCH in
config files, but implemented it in the wrong place.
adding a conditional conversion within the config file meant that the old
value would only be read from **new** config files that are created
obviously without it, including re-saved configs if `lb config` were
re-run with additional options (not recommended). any existing value in an
existing config file would actually be ignored.
the right place to read the old value was in the Set_defaults() function
(since renamed).
a second issue also existed with the hack, it failed to excape the `$`
and thus printed the existing value of $LB_LINUX_FLAVOURS into the
conditional check being constructed in the config file, instead of
printing the name of the variable. the check embedded into the config
file thus became this on an amd64 machine:
```
if [ -n "amd64" ]
then
LB_LINUX_FLAVOURS_WITH_ARCH="amd64"
fi
```
which is clearly not what was intended.
Gbp-Dch: Short
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Gbp-Dch: Ignore
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Gbp-Dch: Ignore
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Gbp-Dch: Ignore
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to cover checking available value choices
Gbp-Dch: Short
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splitting into two parts will make things much tidier
Gbp-Dch: Short
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- add a validation check where an error will be printed
- replace the check done in the grub scripts with one that simple exits
if executed bypassing the validation check
Gbp-Dch: Short
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...and second we then change the filename
Gbp-Dch: Short
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the stuff in defaults.sh is only partially to do with setting default
config values, it also does other prep work like centralised comma
separated value to space separated conversion, and validation.
this is split into two parts to keep the diff simple, first we move the
two small functions from configuration.sh into default.sh...
Gbp-Dch: Short
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all vars affected have been carefully checked to be quite certain
that they are definitely local
where variable is assigned the return value of a function/command, the
local "declaration" is deliberately done on a separate line, since
`local FOO` is actually treated itself as a command rather than a
declaration; will thus always cause $? to be zero, and thus if done on
the same line as such an assignment can not only clobber $? but in doing
so unintentionally blocks failure of a command from triggering the
expected exit from having `set -e`.
also, from testing, i have found that when assigning "${@}" this must be
done on a separate line confusingly as otherwise an error occurs.
Gbp-Dch: Short
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Current versions of the project files are built upon versions published
and licensed by Daniel Baumann, but are modified copies of those files and
thus need to be marked as such per licensing requirements (afaik he did
not pass along ownership / licensing rights to anyone when he left the
project). We should also be careful to not be misrepresenting such
modified copies as being attributed to Daniel.
Adding a new copyright line referring to "The Debian Live team" should
suffice for this.
The authorship block in man pages has also similarly been updated.
Notes:
- tweaked a copy of daniel copyright lines stating 2014 instead of 2015.
both of these cases were in files that i had personally introduced in
some of my past merged commits that moved some code around. i don't know
why they stated 2014.
- binary_onie was introduced in 2018, so that has a 2018 date instead of
2016 unlike the rest.
- 'efi-image' is a 3rd-party (Canonical Ltd) work that we bundle, but it
has been modified by 674794a8f4d61a729d2dbd6d99385d2826138694 and
36a3ba76347ef72df1c316312ed3a26aa4b0c816 so I similarly added a
debian live copyright line.
- 'grub-cpmodules' is similar. it was only changed by the indentation fix
of 36a3ba76347ef72df1c316312ed3a26aa4b0c816 but modification is
modification, and this does help cover any possible future changes that
might be made.
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format.
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