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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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e7eb6c6b
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2021-08-30T08:28:56
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midx: return an error when detected
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9d117e38
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2020-02-17T21:28:13
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midx: Add a way to write multi-pack-index files
This change adds the git_midx_writer_* functions to allow to
write and create `multi-pack-index` files from `.idx`/`.pack` files.
Part of: #5399
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366115e0
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2021-08-27T04:06:31
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Review feedback
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fff209c4
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2020-02-17T21:28:13
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midx: Add a way to write multi-pack-index files
This change adds the git_midx_writer_* functions to allow to
write and create `multi-pack-index` files from `.idx`/`.pack` files.
Part of: #5399
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674875dc
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2021-01-15T09:59:15
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Merge pull request #5768 from lhchavez/midx-needs-refresh
midx: Fix a bug in `git_midx_needs_refresh()`
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ff6f6754
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2021-01-07T05:44:16
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Use `p_pwrite`/`p_pread` consistently throughout the codebase
This change stops using the seek+read/write combo to perform I/O with an
offset, since this is faster by one system call (and also more atomic
and therefore safer).
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d50d3db6
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2021-01-07T05:43:30
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midx: Fix a bug in `git_midx_needs_refresh()`
The very last check in the freshness check for the midx was wrong ><
This was also because this function was not tested.
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f847fa7b
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2020-02-16T02:00:56
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midx: Support multi-pack-index files in odb_pack.c
This change adds support for reading multi-pack-index files from the
packfile odb backend. This also makes git_pack_file objects open their
backing failes lazily in more scenarios, since the multi-pack-index can
avoid having to open them in some cases (yay!).
This change also refreshes the documentation found in src/odb_pack.c to
match the updated code.
Part of: #5399
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69fb8979
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2020-11-21T22:54:26
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midx: use GIT_ASSERT
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005e7715
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2020-02-23T22:28:52
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multipack: Introduce a parser for multi-pack-index files
This change is the first in a series to add support for git's
multi-pack-index. This should speed up large repositories significantly.
Part of: #5399
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