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... while keeping our .clang-format file.
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...into writing/reading to CAS and writing/reading entries (to remove code duplications in uplinking and obtaining the result).
The read functionality cannot be replaced by a single function since the CAS key of the entry is required during uplinking. Although the write functionality can, it is also separated into two parts to keep the reverse logic clear.
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Removed named keys of entries (hash, size). These prefixes were added for every chunk creating an additional overhead without any benefit.
Removed prefixes of hashes (*62*hash) appearing in native mode and creating an additional overhead as well: it is known that all of them are blobs.
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Also add empty directory in test script to ensure we don't regress
in the future. While there, fix some typos.
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...by writing its tree directly in the object database instead of
working with the index. This allows the creation of trees that
contain also entries with 'magic' names, such as the .git folder
or .gitignore files.
Callers must ensure the given directory only contains the needed
entries. In particular, just-mr maps and serve service are updated
to separate the import-to-Git repository path from the temporary
path containing the content to be committed, to avoid polluting the
content path with entries generated on repository initialization.
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The tree is traversed bottom-up and each entry is explicitly added
to the object database: non-directory entries have their content
read and are added as blobs with corresponding permissions based on
file type (regular, executable, symlink), while subdirectories are
added as trees via CreateTree based on the already added blobs.
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While there, ensure optional Git operation parameters are checked
before use for the operations that require them.
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In preparation for subsequent changes, specify the directory path
containing the tree content to be committed explicitly. This change
will allow eventually to be able to specify paths that are
different from the root path of the repository in which the commit
is created.
This commit renames and refactors StageAndCommitAllAnnonymous to
allow a directory path to be passed. The just-mr and serve service
logic is updated such that current behaviour is otherwise
unchanged.
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The libgit2 treebuilder has unnecessary validity checks for tree
entries, including for Git-specific magic names (such as '.git'),
which cannot be disabled. However, in our tool any filesystem
entry should be allowed to be part of a tree.
Therefore, the treebuilder-based implementation for CreateTree is
replaced by a direct writing of trees, by content, into the
underlying repository object database.
Additionally, as direct insertion into the object dabase does not
check the validity of the tree entries, as was done implicitly by
the treebuilder before, add a check for existence of the tree
entries into the debug-level generic validity check, with the
option to not perform it for ReadTree (as it is unnecessary there).
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The 'branch' field is deprecated, not being used by any of the
critical Git operations, thus it can be removed.
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The remote execution protocol is a bit unclear about how to
deal with blob updates for which we got no response. While
some clients consider a blob update failed only if a failed
response is received, we are going extra defensive here and
also consider missing responses to be a failed blob update.
Issue a retry for the missing blobs.
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... and also perform conflict check on the normalized paths. Still,
the the output of the "ACTION" funtion be keyed by the representation
of the paths as originally described, to allow the author of a rule
to use non-normalized paths as well.
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... that was accidentially replaced by a first-wins semantics in
62d204ff4cc94c12c1635f189255710901682825 which fortunately did not
make it to any release.
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Originally, the expression lanuage only contained a function to
deduplicate a list, keeping only the right-most occurence. The
reason was that this is the order needed for linking: a library
providing an open symbol has to come on the command line after the
library using that symbol (and hence making it an open symbol).
However, by now use cases have emerged that require a topological
sorting where definition comes before use; also, when composing
the value of PATH from fragments, we usually want to keep the first
occurrence in order for it to take precedence. Therefore, also
add "nub_left" as built-in function, allowing a more condense (and
slightly more efficient) description in rules instead of the
revserse-nub_right-reverse pattern.
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... and, in particular, do not include headers of other libraries
that are not even needed.
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...and move the storing logic to Execute directly. There is no need to pass additional parameters to the method to just perform a check inside, and after this removal there is no need to preserve a one-line method.
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1. In reading remove additional buffer field and reuse the response's buffer;
2. In writing preserve the file descriptor alive.
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...and use this functionality in ExecutionServer
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...and get it from LocalCAS.
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Deserialization from json is used in a single test only
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1. Remove NodeProperties from CreateDirectory;
2. Set digest in CreateFileNode, CreateDirectoryNode.
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+ invoke it only if there are symlinks to check
+ remove the corresponding runtime check since it is replaced by a compile-time check
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...since this is more readable. And adjust the LocalCAS's uplinker creator.
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! => not; && => and, || => or
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When switching from a target to the artifacts that are the inputs
of a particular action, the provides map is also switched to provide
additional (besides the inputs) information about the action, in
particular the command. Extend this provides map with the remaining
information, in particular the working directory.
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... allowing to select only the keys in a specific subdir,
and move the them to top-level.
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For the user it is more useful to see the actual error message,
provided by strerror(), than the pure error code.
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... right after having successfully finished analysing the target.
As a side effect, we also get the statistics of the export targets
reported on analysis requests. As cached export targets project
artifacts to known ones, that information is highly relevant there.
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While our local action execution implicitly creates the specified
cwd with the first output file or directory, this behaviour is
not mandated by the remote-execution protocol. There, an action
definition has to ensure that cwd is a directory implied by the
input files. Achieve this, by adding an empty input directory
at cwd if this can be done without creating tree conflicts.
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... following the remote-execution standard that all output paths (but
none of the input paths) are relative to the working directory.
Therefore, the executor has to do the path translation. For our
implementation of the API interface
- the local API now handles cwd correctly,
- the remote API forwards cwd correctly, and
- the git API continues to report actions as not implemented.
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