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... by keeping track of each blob being a file or executable
and storing it to the correct local physical CAS directory.
The new flag is merely a hint and only used by the local
execution API. Leaving it out will still correctly transfer
the blob but may cause unnecessary duplicates in file CAS.
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...in order to not include unwanted dependencies in just proper.
The new class extends the GitRepo class used for just's Git tree
operations and gets used in all of just-mr's async maps.
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... and ensure that cascades of checks are performed with
only a single filesystem stat per method.
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...and use instead the branch name. A valid direct refspec (as those
retrieved by a remote_ls call) will always end in the branch name,
so checking the last path component ('/'-delimited substring) of a
retrieved refspec is enough.
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This also removes the need to call the GET_BRANCH_REFNAME critical
operation.
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Needed by the content-in-CAS git map to check fetched archives' checksums.
SHA1 and SHA256 hashers are already implemented.
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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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While there, also add all direct dependencies explicitly; using
directly dependencies that are pulled in only indireclty causes
problems from a maintainability point of view.
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This enforces the explicit specification, which object type, either file or
tree, should be used to create an artifact digest. This also avoids subtile
errors at locations as in the previous commit, where files as well as trees are
supposed to be handled, but digest creation mistakenly defaults to file object
type.
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Signed-off-by: Goetz Brasche <goetz.brasche@huawei.com>
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... as for remote execution, the map entries are only used
for the `install` subcommand. For local execution, much less
tree objects are read from CAS when using this map. However,
the performance benefit is barely measurable and therefore
we rather remove this map entirely to reduce complexity.
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... while technically not required, it makes it harder to
run into nasty errors.
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case they got pruned
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between different CASes
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... to be able to report the respective graph for later analysis
by other tools.
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... otherwise actual blob size might exceed the maximum
transfer size of the CAS client. Therefore, we always have
to use the bytestream client if the size is unknown.
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... conceptually, it was possible that a previous task
decrements the `num_threads_running_` counter before it is
incremented by the next task. Therefore, we have to unify
the queue and thread status in a single counter
(`total_workload_`) and ensure that woken threads increment
it before decrementing it for popping a queue.
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In this way, we keep the repsitory description more close to a normal
multi-repository configuration. The only difference remaining is
the absence of repository locations for git-tree roots.
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... by renaming HashGenerator to (incremental) Hasher and
dropping support for Git/MD5 hashes. The Hasher does not
expose the actual hash implementation.
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... and cache endpoint address for rebuilding.
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