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Implement removing files in ZiPatch

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This commit is contained in:
Joshua Goins 2024-06-29 12:43:20 -04:00
parent 528b7789b7
commit 6869e98f9d
1 changed files with 23 additions and 2 deletions
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21
src/patch.rs
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@ -701,6 +701,7 @@ pub fn create_patch(base_directory: &str, new_directory: &str) -> Option<ByteBuf
// A set of files not present in the new directory, that used to be in base (aka removedf iles)
let removed_files: Vec<&PathBuf> = base_files.iter().filter(|item| !new_files.contains(item)).collect();
// Process added files
for file in added_files {
let file_data = read(file.to_str().unwrap()).unwrap();
@ -731,6 +732,26 @@ pub fn create_patch(base_directory: &str, new_directory: &str) -> Option<ByteBuf
writer.seek(SeekFrom::Current(4));
}
// Process deleted files
for file in removed_files {
let remove_file_chunk = PatchChunk {
size: 0,
chunk_type: ChunkType::Sqpk(SqpkChunk {
size: 0,
operation: SqpkOperation::FileOperation(SqpkFileOperationData {
operation: SqpkFileOperation::DeleteFile,
offset: 0,
file_size: 0,
expansion_id: 0,
path: file.to_str().unwrap().parse().unwrap(),
}),
}),
crc32: 0,
};
remove_file_chunk.write(&mut writer).ok()?;
}
let eof_chunk = PatchChunk {
size: 0,
chunk_type: ChunkType::EndOfFile,