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when downloading multi-tree projects, the rev can be reset
to HEAD instead of the actual rev for a given target. this
occurs when the bare repo (e.g. src/coreboot/coreboot) does
not exist and has to be downloaded first.
bare repository downloading does not rely on target.cfg, in
this context, only pkg.cfg, but it uses the same variable
names (e.g. "rev").
instead of using a separate variable name, thus increasing
code complexity (which is the exact opposite of what i want
to do), do the bare repository download first.
this means that the git.sh script is much cleaner now, for
multi-tree projects, in that it *only* copies the bare repo
then runs git_prep; in that context, the bare repo is cloned
directly by calling the relevant function from script/trees,
which is the same behaviour as when cloning single-tree
project sources.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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the same function that loads configurations for single-tree
projects has been merged with the function for multi-tree
configs in git.sh, and that functionality has been removed
from git.sh; now it is all unified in the trees script.
as the saying goes: write one program to do one thing well.
the purpose of git.sh is to download source code, but not
to handle configuration files; the latter is meant to be
handled by the trees script, which then calls into git.sh
before running the build logic for that given project.
additionally: the "seen" files are no longer handled, at all.
the logic there was added ages ago, because at the time, i was
considering whether to separate configuration into a new
repository, so that users could more easily make their own
configuration, so it was a guard against misconfiguration.
however, that decision was canceled and we're always very
careful not to introduce a loop; if a loop does occur, the
worst that can possibly happen is you waste some CPU cycles.
Instead, print (on standard output) what config file is being
used, so the operator can see when an infinite loop occurs.
ALSO:
remove _setcfgarg in load_project_config()
it was used to skip when a target.cfg file didn't exist,
specifically on single-tree projects, but this is now
handled using -f instead, on the while loop inside that
function, so _setcfgarg is now a redundant variable.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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run it from load_project_config()
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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these variables are initialised empty, then populated
by reading a configuration file.
it may be that in some cases, we want these variables
to be empty. besides that, the "setcfg" command before
it will throw an error if the module file is missing,
and it is assumed that the variables would be set there.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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the trees script already performs these checks
Signed-off-by: Leah Rowe <leah@libreboot.org>
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instead, make it a helper function, defined in target.cfg
this means that we can also do the same with other projects
in the future, and it is expected that we will have to.
these helper functions are used in cases where we want
additional actions to be performed.
actually, the helper could be anything. for example, you
could write:
mkhelper="./build foo bar"
and it would do that (at the point of execution, PWD
is the root directory of the build system)
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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the script used to support building multiple single-tree
projects, but this behaviour was buggy and unused, so it
was removed.
rename the build_projects variable accordingly.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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it was always by design that an error should occur, if a
target.cfg file does not exist on multi-tree projects,
but we previously did not support target.cfg files on
single-tree projects.
single-tree target.cfg support was later added, and it was
done by making target.cfg optional there, but i accidentally
made it optional on multi-tree projects.
in practise, all multi-tree projects included target.cfg,
but this was not being enforced in code.
this patch should fix the issue.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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set it to "auto", because otherwise it'll be unset,
which means that kconfig type is assumed.
the build system is designed in such a way that multi-tree
is assumed, if the target build system uses kconfig files.
target.cfg is optional on single-tree but not multi-tree,
so it's ok to set something here.
basically, kconfig-type projects will never be single-tree.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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don't hardcode the check based on whether the current
project is grub. instead, define "btype" in target.cfg
if unset, we assume kconfig and permit kconfig commands
e.g. make menuconfig, make silentoldconfig, etc
this is to avoid the deadliest of sins:
project-specific hacks
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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must stay below 80 characters per line
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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we currently rely on -e to make this happen
Signed-off-by: Leah Rowe <leah@libreboot.org>
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the current logic for handling multiple single-tree projects
is quite error-prone, and uses recursion.
since we don't actually use it this way, remove that feature.
the most correct way to do it is with a for loop.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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this script is designed to only run a single flag.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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doing nothing means that if a flag is passed, and then
another flag overriding it, the resulting action will
not be correct; only one flag should be provided anyway,
but some users may feel a bit more adventurous.
mitigate it.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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don't have a separate variable for them.
just export them directly and use them directly.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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sometimes buildgcc just fails for like no reason. we had this
the other day and another fix was made to the trees script, to
mitigate; the user ran it again and buildgcc worked just fine.
run it twice, and then call err only if the second one fails.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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just run the make crossgcc command anyway.
coreboot's own build system checks itself, and much
more reliably, but the check is more thorough and a bit
slower.
in rare cases, lbmk may come into build issues with xgcc,
and if you run the build again, it will always fail every
time because the checks is based on whether the xgcc
directory exists, rather than checking each
individual crossgcc binary.
checking every binary is also possible, but as i said,
the coreboot build system already does that, so let's defer
to coreboot's own handling of it.
remove the directory check. this will slow down the build
process a little bit, but should improve reliability under
fault conditions.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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it's bloat. telling the user to rtfm is something that
we already do on irc; they will still ask how to do
everything, and ignore the message from badcmd(), or
they will automatically know to rtfm.
i'm on a massive purge, removing bloat from lbmk as
part of Libreboot Build System Audit 6.
all bloat must go.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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replace it with logic that simply uses "." to load
files directly. for this, "vcfg" is added as a variable
in coreboot target.cfg files, referring to a directory
in config/vendor/ containing a file named pkg.cfg, and
this file then contains the same variables as the
erstwhile config/vendor/sources
config/git files are now directories, also containing
pkg.cfg files each with the same variables as before,
such as repository link and commit hash
this change results in a noticeable reduction in code
complexity within the build system.
unified reading of config files: new function setcfg()
added to lib.sh
setcfg checks if a config exists. if a 2nd argument is
passed, it is used as a return value for eval, otherwise
a string calling err is passed. setcfg output is passed
through eval, to set strings based on config; eval must
be used, so that the variables are set within the same
scope, otherwise they'd be set within setcfg which could
lead to some whacky results.
there's still a bit more more to do, but this single change
results in a substantial reduction in code complexity.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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do not use shorthand here. the test was failing to
produce the desired result under some circumstances,
for example when i did "./update release" i got this:
make: Entering directory '/home/lbdev/lbmk/release/20240612-62-ga6b1a6bd/libreboot-20240612-62-ga6b1a6bd_src/src/stm32-vserprog'
make: *** No rule to make target 'fetch'. Stop.
make: Leaving directory '/home/lbdev/lbmk/release/20240612-62-ga6b1a6bd/libreboot-20240612-62-ga6b1a6bd_src/src/stm32-vserprog'
ERROR script/trees: !mk src/stm32-vserprog fetch
ERROR ./update: excmd: script/trees -f
ERROR script/roms: Unhandled non-zero exit: ./update
ERROR ./build: excmd: script/roms serprog
ERROR ./update: build_release release/20240612-62-ga6b1a6bd: stm32
ERROR ./update: can't build rom images
in the above circumstance, run_make_command was executed,
which is not the desired behaviour; rather, fetch_project_trees
or fetch_project_repo should be called, and then the script
should immediately exit. it should also exit, without downloading
anything, if a changelog file exists as in release archives.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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use a common string when setting this path
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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we don't need to check whether this variable is set,
because checking an empty path will also cause the
same return in the next line.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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the background is only a few kb. the whole rationale
before was to limit the space used in memdisk, but this
decision was made when the background was much bigger;
it has since been optimised greatly, and the grub modules
were heavily reduce, so it should be safe.
grub's memdisk breaks when you add too much data to it.
as part of simplifying the rest of lbmk, this change removes
some more bloat from the rest of lbmk. handling this in the
memdisk is much simpler than handling it with cbfstool.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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new function chkvars() does the job
Signed-off-by: Leah Rowe <leah@libreboot.org>
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it's pretty much just doing the same thing as ls -1
remove it!
Signed-off-by: Leah Rowe <leah@libreboot.org>
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i removed this before, when making grub multi-tree,
because the design i used in an earlier version of
the patch actually added the grub.elf generation
to grub source itself, but then i decided to hack
around the grub build system from lbmk/cbmk instead
re-add this functionality, so that users can easily
insert their own custom grub.cfg into cbfs without
needing to re-build their image.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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i was originally looser about this, because i also wanted
the trees script to generically run "make" from any
directory, but this behaviour was error-prone and it is
no longer used in the build system.
disable it, in the interest of stability.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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support redundant downloads, and enable inclusion of these
tarballs inside release archives, for offline builds.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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don't create elfdir, create dest_dir, which is elfdir
plus the location within it
only create dest_dir within copy_elf, which is only
called if actually compiling the code
this avoids creating empty elf directories, and it
generally cleans up all handling, unifying the
handling of directories into a single function,
namely copy_elf() which already exists
Signed-off-by: Leah Rowe <leah@libreboot.org>
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don't do it after, because that means the main project
is saved under src/ before we know whether the subrepo
was downloaded.
the "depend" variable (in config/git/) is no longer used
for projects that go in subdirectories of a parent; now,
we use config/submodules/ for this type of dependency.
download the "depend" projects (as per config/git/) first.
this way, if they fail, the main one will fail, but if
they succeed and main fails, you can just run the main
download again and it won't fail.
this fixes a bug where, depending on how you download a
set of projects and depending on the order which you do so,
a given project can become un-downloadable on current design,
because git will complain that a directory already exists.
this fix is done not only in code (by this commit), but
by prior configuration changes.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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it could lead to some whackiness later on
Signed-off-by: Leah Rowe <leah@libreboot.org>
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we're not checking for bad elfs, but the check itself was bad
due to a quirk in how sh works. really, really obscure bug.
fixed now!
if the given directory didn't actually exist, or there were no
files in it, it'd be searching for the file named "*"
which is obviously wrong
Signed-off-by: Leah Rowe <leah@libreboot.org>
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don't check that the variable is empty
check that the file itself exists or not
this should fix the recent build issues
Signed-off-by: Leah Rowe <leah@libreboot.org>
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(on single tree projects. this complements the last patch)
Signed-off-by: Leah Rowe <leah@libreboot.org>
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otherwise, some checks are done too soon, and nothing
gets built.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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in particular, the coreboot build system may auto-download
submodules when building cbfstool; vboot for instance.
we do not want such unpredictable behaviour, so now we
use UPDATED_SUBMODULES=1 when building coreboot utilities.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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