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... that are eligible for caching. In this way, we can accurately keep
track of the dependencies between target-level cache entries. Note
that it is enough to track the export targets eligible for caching,
as no target depending on an ineligible export target can be eligible.
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With the introduction of 'just serve', export targets can now be
built also independently from one another based on their
corresponding minimal repository configuration, as stored in the
target cache key.
In this context, this commit changes the RepositoryConfig usage
from one global (static) instance to pointers passed as necessary
throughout the code.
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Absent roots are characterised only by a Git tree hash, so a new
variant of the underlying stored information was added in the form
of a plain string.
In order to avoid unwanted implicit conversions when instantiating
via literal strings, we force callers of the constructors to
explicitly differentiate between plain strings and filesystem
paths. Existing tests were updated to reflect this.
Co-authored-by: Alberto Sartori <alberto.sartori@huawei.com>
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While a foldl is enough to implement a reverse functionality,
adding it as a built in allows doing so in linear time.
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... to obtain from a list of strings a map with those entries
as keys and true as value. In this way, repeated membership tests
in lists can be implemented more efficiently.
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via a 'SYMLINK' constructor function. This works similarly to the
'FILE' construct, but the name given must point to a non-upwards
symlink and a symlink artifact is being generated from it.
Also updates the relevant tests.
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...and update tests accordingly.
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This feature has been introduced with C++20.
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This allows better separation and, in particular, repositories
needed only for tests do not have to be provided for building the
tools. This also better documents which dependencies are only needed
for testing.
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... as `git init -b ...` is a rather recent git feature.
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tests have been updated accordingly
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Compared to the previous commit, the action graphs for just
and its unit tests are unchanged.
- Git hash of action graph for ["",""]:
c6e75f17abd7ffaab6ff9bb725ad67ec0bf6c973
- Git hash of action graph for ["test/buildtool","TESTS"]:
8063dfb3dd7daa9ae01d95c177e14946f785c57e
Refactor:
- "local cflags" to "private-cflags"
- "local defines" to "private-defines"
- "link externals" to "private-ldflags"
- "deps" to "private-deps" for (test) binaries
- "proto" to "private-proto" for binaries
Improvements:
- consistent variable declaration order:
OS, ARCH, HOST_ARCH, TARGET_ARCH,
CC, CXX, CFLAGS, CXXFLAGS, ADD_CFLAGS, ADD_CXXFLAGS,
AR, ENV, PATH
- use fields close to their definition (in RULES)
- use common expression for binaries and test binaries
- split expression "flags" and "compiler"
... to separate ones for CC and CXX.
- rename "transition" to "deps-transition"
... to avoid conflicts with other transitions.
- support "defaults-transition" for CC expressions
Implement:
- "cflags" for libraries
- "private-cflags" for (test) binaries
- "private-defines" for test binaries
- "private-ldflags" for test binaries
- (public) "defines" for libraries
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Signed-off-by: Goetz Brasche <goetz.brasche@huawei.com>
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... while technically not required, it makes it harder to
run into nasty errors.
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... to be able to report the respective graph for later analysis
by other tools.
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Add a function transforming a list into a map. In this way, artifacts
collected positionally in a list can easily be realized as a stage
used for input to an action or output of a target.
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Not only trees, but also regular files can disallow paths reaching
into them. If we have a file at a/b then another file at a/b/c
is a staging conflict as well. Make our tool recognize this.
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... and detect conflicts araising this way. Also normalize
the paths after staging them to the specified subdir.
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To concatenate lists (the only ability the "+" operator had),
use "++".
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For historic reasons, we considerd special strings as false values.
Drop that behavior in favor of a clean LISP-like semantics: everything
is true that is not empty.
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... to foster the implementation of the built-in target "TREE"
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This patch introduces a templated ParseEntityName which can accept a
json or ExpressionPtr. Internally, performs a proper dispatch on these
cases
- isString
- isList
- size == 2
- size >= 3
A test is added for checking the proper handling of an empty list
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EntityName now clearly expresses its double identity:
- NamedTarget
- AnonymousTarget
The usage of std::variant<NamedTarget,AnonymousTarget> guarantees that
EntityName, internally, is not a mix of the two - like could happen
before this patch.
NamedTarget features an enum ReferenceType to express the type of the
target, namely, "normal target" or an "explicit file reference".
Thanks to this refactoring, the introduction of new targets type
should be easier, since the design is more modular.
NamedTarget
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Given a number or number representation, return a list of that
length consisting of representations of the lower numbers. In this
way, repeated non-pure actions can be generated (e.g., repetitions
of a test to detect flakyness).
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... to avoid unnecessary copying and moving of larger objects.
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... and therefore produces linker warnings.
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This is the initial version of our tool that is able to
build itself. In can be bootstrapped by
./bin/bootstrap.py
Co-authored-by: Oliver Reiche <oliver.reiche@huawei.com>
Co-authored-by: Victor Moreno <victor.moreno1@huawei.com>
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