4a78d911c5
There are two code paths for detecting renames: one on tree diffs
(using DiffFormatter#scan) and the other on single file diffs (using
DiffFormatter#format). The latter skips binary and large files
for rename detection - check [1], but the former doesn't.
This change skips content rename detection for the tree diffs case for
large files. This is essential to avoid expensive computations while
reading the file, especially for callers who don't want to pay that
cost. Content renames are those which involve files with slightly
modified content. Exact renames will still be identified.
The default threshold for file sizes is reused from
PackConfig.DEFAULT_BIG_FILE_THRESHOLD: 50 MB.
[1]
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| .. | ||
| .settings | ||
| META-INF | ||
| findBugs | ||
| resources/org/eclipse/jgit | ||
| src/org/eclipse/jgit | ||
| .classpath | ||
| .fbprefs | ||
| .gitignore | ||
| .project | ||
| BUILD | ||
| about.html | ||
| build.properties | ||
| plugin.properties | ||
| pom.xml | ||