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in shell scripts, a function named the same as a program included in
the $PATH will override that program. for example, you could make a
function called ls() and this would override the standand "ls".
in lbmk, a part of it was first trying to run the "fail" command,
deferring to "err", because some scripts call fail() which does
some minor cleanup before calling err.
in most cases, fail() is not defined, and it's possible that the user
could have a program called "fail" in their $PATH, the behaviour of
which we could not determine, and it could have disastrous effects.
lbmk error handling has been re-engineered in such a way that the
err function is defined in a variable, which defaults to err_ which
calls err_, so defined under include/err.sh.
in functions that require cleanup prior to error handling, a fail()
function is still defined, and err is overridden, thus:
err="fail"
this change has made xx_() obsolete, so now only x_ is used. the x_
function is a wrapper that can be used to run a command and exit with
non-zero status (from lbmk) if the command fails. the xx_ command
did the same thing, but called fail() which would have called err();
now everything is $err
example:
rm -f "$filename" || err "could not delete file"
this would now be:
rm -f "$filename" || $err "could not delete file"
overriding of err= must be done *after* including err.sh. for
example:
err="fail"
. "include/err.sh"
^ this is wrong. instead, one must do:
. "include/err.sh"
err="fail"
this is because err is set as a global variable under err.sh
the new error handling is much cleaner, and safer. it also reduces
the chance of mistakes such as: calling err when you meant to
call fail. this is because the standard way is now to call $err,
so you set err="fail" at the top of the script and all is well.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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it's still necessary here, to prevent the same bug
identified in the previous patch.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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a tree can specify:
tree_depend="treename"
this will make the other tree be downloaded. this is
used for coreboot trees, to ensure that dependency
trees are downloaded, because trees can now re-use
crossgcc from other trees.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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don't build crossgcc twice, especially if two coreboot
trees use the same revision!
Signed-off-by: Leah Rowe <leah@libreboot.org>
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it only needs to be checked before git reset
Signed-off-by: Leah Rowe <leah@libreboot.org>
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i forgot to add 2024 on the copyright years, for my
copyright files that i edited on 1 january 2024
Signed-off-by: Leah Rowe <leah@libreboot.org>
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u-boot doesn't use submodules, so there's no point in
checking for it. now we can do with just one call to
the git submodule command, for simplicity
also, general code cleanup in this file (minor code
formatting improvements)
Signed-off-by: Leah Rowe <leah@libreboot.org>
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the directory is checked for deletion, but it's already
checked before download, to see whether it already exists.
lbmk already exits with zero status if the directory exists,
so the check is pointless (in this function)
also, general code style/formatting cleanup
Signed-off-by: Leah Rowe <leah@libreboot.org>
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do it all in a single function!
Signed-off-by: Leah Rowe <leah@libreboot.org>
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the patchfail variable was only needed in the old design,
where git am was being handled inside a subshell, and
also when we did it directly in the target directory
without using a temporary directory. with the current
design, we can just call err() and ditch the tmp repo
Signed-off-by: Leah Rowe <leah@libreboot.org>
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delete it once once, and delete it much sooner, right
at the start of script/update/trees main()
Signed-off-by: Leah Rowe <leah@libreboot.org>
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there isn't really a problem right now, but a desired
and implemented behavioural change was that patches are
to be applied *before* updating submodules. well, the
previous commit reversed this change, under certain
conditions, such that submodules were applied first.
this patch fixes it, so that patches are done first.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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unify all of the logic, where git am and submodule is handled
Signed-off-by: Leah Rowe <leah@libreboot.org>
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right now, if we want to patch a project such that certain
submodules are no tdownloaded, or diffreent submodules are
downloaded, or current ones are downloaded from other
locations, we cannot do this, because we apply submodule
updates *before* applying patches.
therefore, we should change it so that they are applied
*after* installing patches.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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while seemingly pedantic, this does actually make code
easier to read. mostly just switching to shorthand for
variable names, where no expansions or patterns are used
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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do not use a subshell. use git -C instead.
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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lbmk didn't quote certain arguments in commands, or
used ! -z instead of -n, things like that. simple fixes.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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most of these are probably redundant, and will never
be called, but lbmk needs to be as safe as possible
under fault conditions. fail early, fail hard.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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update/trees wasn't correctly returning non-zero status,
even though it was printing an error message, when git-am
failed. this is due to the way subshells work, and it was
overlooked in previous auditing.
additionally: don't directly copy trees to the destination,
instead patch/reset first, then copy only under normal
condition, just as with single-tree projects.
when running build/roms, the script would continue after
a bad git-am, without exit. this patch fixes it in the
most paranoid way possible. i'm now fairly confident that
lbmk will fail gracefully and efficiently, under error
conditions. this should prevent bad image builds.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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i forgot to put the download path in printf
Signed-off-by: Leah Rowe <leah@libreboot.org>
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This reverts commit baa3d4f217863ff34c03d54c4014f53812ae12ec.
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when [] is used right at the end of a function, or
certain loops/subshells, some sh implementations will
just return a non-zero exit
Signed-off-by: Leah Rowe <leah@libreboot.org>
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This reverts commit 8de7bc93397a95312b742bc5af733208f702f3a8.
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only do it if the target source tree does not exist
Signed-off-by: Leah Rowe <leah@libreboot.org>
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this fixes a regression caused by a previous revision
Signed-off-by: Leah Rowe <leah@libreboot.org>
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only fetch if .gitmodules exists
in some cases, lbmk is compiling source trees that
use submodules, without having downloaded them first.
in all cases, those submodules are either optional,
or the build system auto-fetches them (or if it can,
we sometimes disable it as with grub and gnulib).
this is a nice fallback behaviour, for situations where
we forget to put submodules as dependencies under
config/git (and disable submodules in the given project).
with this change, release archives are guaranteed to
be complete, sans crossgcc downloads in coreboot; this
will be handled in a follow-up commit.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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in some cases, use of x_ or xx_ can be error-prone,
due to the way $@ is handled; commands requiring
quotes, or with funny file names as arguments such
as spaces in the file name, or other special
characters, can make the x/xx functions break.
in those cases, where x/xx must not be used, the
commands use || err instead
in other cases, use of x/xx is superfluous, and has
been removed in some commands.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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as opposed to the current 3-level structure.
recent build system simplifications have enabled
this change, thus:
./build fw coreboot -> ./build roms
./build fw grub -> ./build grub
./build fw serprog -> ./build serprog
./update project release -> ./update release
./update project trees -> ./update trees
./update vendor download -> ./vendor download
./update vendor inject -> ./vendor inject
alper criticised that the commands were too long,
so i made them shorter!
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Just one script.
Just one!
Well, two, but the 2nd one already existed:
logic in update/project/trees and
update/project/repo was merged into
include/git.sh and update/project/build
was renamed to update/project/trees; an -f
option was added, which calls the functions
under git.sh
so git clones are now handled by the main build
script (for handling makefiles and defconfigs)
but the logic there is a stub, where git.sh
does all the actual heavy lifting
this cuts the file count down by two, and reduces
sloccount a reasonable amount because much of
the logic already exists in the build script, when
it comes to handling targets. git.sh was adjusted
to integrate with this, rather than act standalone
Signed-off-by: Leah Rowe <leah@libreboot.org>
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do not update them in project/repos - despite what
the previous commit message says, this behaviour is
error prone and should be avoided.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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With this change, lbmk now also updates submodules on
simple git clones, not just multi-tree clones.
This is OK, because git does not return non-zero status
when git submodule update is ran, where git submodules
are not actually defined.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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This is done recursively, with the following rule:
files first, then directories.
Where all patch files are applied from within the
patch directory, subdirectories (within the patch
directory) are then tried in alphanumerical order.
Then, within each subdirectory tried, the same rule
is once again applied. This is done recursively,
until every patch file is applied.
The code no longer applies *.patch, but instead any
file. Additionally, symlinks are avoided.
Signed-off-by: Leah Rowe <leah@libreboot.org>
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Handle patches by a function at include/git.sh
Signed-off-by: Leah Rowe <leah@libreboot.org>
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