Migrate GTFilter off the deprecated apply callback - #110
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Copilot review overview
🟡 Changes recommended
Downstream stream cleanup must be fixed to prevent leaks.
Review effort: Lite
Findings: 1
What changed in this PR
Migrates GTFilter from libgit2’s deprecated apply callback to the streaming filter API.
Changes:
- Buffers stream input and applies the Objective-C block on close.
- Forwards transformed output downstream.
- Adds stream lifecycle management.
| File | Summary |
|---|---|
ObjectiveGit/GTFilter.m |
Implements the streaming filter adapter. The downstream stream is not freed during cleanup, causing a leak; release it before freeing the wrapper. |
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Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
Co-authored-by: hannesa2 <3314607+hannesa2@users.noreply.github.com>
libgit2's own pipeline (filter_streams_free in filter.c) already frees every writestream in the chain exactly once, including next. Its own buffered_stream_free wrapper (used by the built-in crlf/ident filters) deliberately does not free its target/next stream for this reason. Freeing next here as well causes a double free.
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This removes the last remaining
import "git2/deprecated.h"