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f0e693b1
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2021-09-07T17:53:49
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str: introduce `git_str` for internal, `git_buf` is external
libgit2 has two distinct requirements that were previously solved by
`git_buf`. We require:
1. A general purpose string class that provides a number of utility APIs
for manipulating data (eg, concatenating, truncating, etc).
2. A structure that we can use to return strings to callers that they
can take ownership of.
By using a single class (`git_buf`) for both of these purposes, we have
confused the API to the point that refactorings are difficult and
reasoning about correctness is also difficult.
Move the utility class `git_buf` to be called `git_str`: this represents
its general purpose, as an internal string buffer class. The name also
is an homage to Junio Hamano ("gitstr").
The public API remains `git_buf`, and has a much smaller footprint. It
is generally only used as an "out" param with strict requirements that
follow the documentation. (Exceptions exist for some legacy APIs to
avoid breaking callers unnecessarily.)
Utility functions exist to convert a user-specified `git_buf` to a
`git_str` so that we can call internal functions, then converting it
back again.
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31ecaca2
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2021-09-30T08:11:40
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hash: hash functions operate on byte arrays not git_oids
Separate the concerns of the hash functions from the git_oid functions.
The git_oid structure will need to understand either SHA1 or SHA256; the
hash functions should only deal with the appropriate one of these.
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2a713da1
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2021-09-29T21:31:17
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hash: accept the algorithm in inputs
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379c4646
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2021-09-09T19:49:04
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Fix coding style for pointer
Make some syntax change to follow coding style.
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1e49f127
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2021-08-31T05:23:20
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Fix a possible null pointer dereference
This change fixes a possible null pointer dereference if anything inside
`git_commit_graph_writer_add_index_file` fails before the packfile being
valid.
https://scan6.coverity.com/reports.htm#v52218/p10377/fileInstanceId=122935896&defectInstanceId=32525576&mergedDefectId=1461634
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34fa6311
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2021-08-30T17:55:13
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commit graph: formatting fixes
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94008e6a
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2021-08-26T05:50:23
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Fixups for the latest changes in the array interface
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63f08e42
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2021-08-26T05:29:34
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Make the defaultable fields defaultable
Also, add `git_commit_graph_writer_options_init`!
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2988f736
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2021-08-01T06:28:33
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Review feedback
* Added the `PenaltyBreakAssignment: 1000` clang-format option to avoid
breaking statements around the assignment operator.
* Avoided using the dot initializer syntax.
* Avoided casting allocations.
* Also avoided casting `void *`.
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83862c83
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2020-02-17T21:28:13
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commit-graph: Add a way to write commit-graph files
This change adds the git_commit_graph_writer_* functions to allow to
write and create `commit-graph` files from `.idx`/`.pack` files or
`git_revwalk`s.
Part of: #5757
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2370e491
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2021-07-26T16:27:54
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Merge pull request #5765 from lhchavez/cgraph-revwalks
commit-graph: Use the commit-graph in revwalks
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52505ab5
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2021-07-07T19:12:02
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Convert long long constant specifiers to stdint macros
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25b75cd9
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2021-03-10T07:06:15
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commit-graph: Create `git_commit_graph` as an abstraction for the file
This change does a medium-size refactor of the git_commit_graph_file and
the interaction with the ODB. Now instead of the ODB owning a direct
reference to the git_commit_graph_file, there will be an intermediate
git_commit_graph. The main advantage of that is that now end users can
explicitly set a git_commit_graph that is eagerly checked for errors,
while still being able to lazily use the commit-graph in a regular ODB,
if the file is present.
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1a2f9609
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2021-01-05T06:24:26
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commit-graph: Introduce `git_commit_graph_needs_refresh()`
This change introduces a function that allows the caller to know whether
the `commit-graph` file has not been modified since it was parsed.
Part of: #5757
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1f32ed25
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2021-01-04T19:33:48
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commit-graph: Support lookups of entries in a commit-graph
This change introduces `git_commit_graph_entry_find()` and
`git_commit_graph_entry_parent()`. These two functions allow a much
faster lookup of commits by ID, since the ODB does not need to be
consulted, the commit object does not need to be inflated, and the
contents of the commit object do not need to be parsed.
Part of: #5757
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3fd57a75
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2021-01-04T18:22:43
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commit-graph: Introduce a parser for commit-graph files
This change is the first in a series to add support for git's
commit-graph. This should speed up commit graph traversals by avoiding
object parsing and allowing some operations to terminate earlier.
Part of: #5757
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