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kylehgc
ee614e4c63
Parse the stream into (prologue)(file-header)(hunk)* regions before
classifying: hunk extent comes from the @@ line budget (one old-budget per
parent, so @@@ combined headers parse too), content is classified only
inside hunks, and any structural disagreement (invalid body prefix, budget
over/under-run, budget owed at EOF, malformed @@) falls back to raw
passthrough. Detector precedence is a documented total order on
condense_unified_diff_strict.
Fixes, each with its reproducer from
claudedocs/diff-classifier-review-2026-08-29.md as a test:
- SQL/Lua '-- comment' removals (--- on the wire) no longer dropped
- added '++ text' lines no longer parsed as file headers
- format-patch mbox prose and the '-- ' signature no longer counted
- +++ /dev/null deletions named by their --- side
- binary / rename-only / mode-only sections reported instead of vanishing
- --color input stripped (was: silently empty output), non-UTF-8 stdin
read lossily (was: hard error, no fallback)
- CRLF content bytes survive verbatim (split('\n'), not lines())
- b/ prefix stripped exactly once; timestamps tab-split from header names
- the '... +N more' trailer removed: it claimed truncation that never
happened (all lines were printed above it)
Fixture corpus: 13 real-producer captures (git 2.54, GNU diff) in
tests/fixtures/diff -- multi-file, -U0, -W, rename/delete/binary,
log -p, show --cc, format-patch single/series/cover, diff -u/-ru/-rN,
CRLF. Property tests: every marked body line survives to the output,
counters equal rendered lines, the fallback fires on zero corpus fixtures.
25 lines
564 B
Plaintext
25 lines
564 B
Plaintext
diff --git a/main.rs b/main.rs
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index 5d804c0..0658d30 100644
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--- a/main.rs
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+++ b/main.rs
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@@ -3 +3 @@ fn main() {
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- println!("two");
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+ println!("2");
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@@ -5,0 +6 @@ fn main() {
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+ println!("five");
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diff --git a/notes.md b/notes.md
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index d4d7d60..976bcb5 100644
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--- a/notes.md
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+++ b/notes.md
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@@ -5,0 +6 @@ increment operator: x
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+++ can also start a line
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diff --git a/schema.sql b/schema.sql
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index bb42838..07010ac 100644
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--- a/schema.sql
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+++ b/schema.sql
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@@ -1,2 +0,0 @@
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--- users table
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--- created 2024
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@@ -5 +2,0 @@ CREATE TABLE users (
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- -- legacy column
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