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perf(changelog): cache commit retain checks (258 times faster generat… · orhun/git-cliff@8430c5c · GitHub
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Commit 8430c5c
perf(changelog): cache commit retain checks (258 times faster generation) (#772)
* perf: cache commit retain checks + 87 times faster generation
This caches the commit retain checks whenever include/exclude paths are specified.
This speeds up changelog generation by `87` times in a big repository I have:
```
Now: 0.237 s
Before: 20.633 s
```
* perf: use separate retain_commit cache for each repository
* fix: use cacache for parallel git-local cache - 258 times faster
Sled fails to open the cache if multiple git-cliff processes run on the same repository. This fixes the issue by using cacache which stores the cache locally under .git/git-cliff
* fix: cache changed files of a commit directly
This slows down the retain_commit check by ~2 times, but allows reusing the cache in case the include/exclude patterns change.
This is beneficial for running in monorepos where git-cliff runs multiple times to generate changelog for different subsets of the repo
* fix: consider include/exclude patterns together
* fix: handle first commit for changed_files
* fix: normalize glob patterns to ignore ./
* docs: add docs for retain_commit_check and cache algorithms
* fix: add ** if a pattern represents a directory
* test: add tests for should retain commit checks
* fix: correctly get the files list for the first commit
* test: add test email/name for git commits
* fix: use / for path joining in entries to match the git behaviour
* fix: revert change of include/exclude patterns to slices
The slices are normalized, so an owned pattern is needed to avoid type mismatch between new normalized/unchanged patterns
* refactor: polish implementation
* refactor: apply clippy suggestion
---------
Co-authored-by: Orhun Parmaksız <orhunparmaksiz@gmail.com>1 parent 2471745 commit 8430c5cCopy full SHA for 8430c5c
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