chore: Add custom file copy logics for template files #9369
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This PR intended to resolve #9183 issue.
When running
docfx build
command with multiple times.There are unnecessaries operations that overwrite identical files.
This PR add features to skip this operations when template files is not changed.
It's required when using something like
dotnet watch
scenarios.What's included in this PR
File::Copy
API to preserve originalLastWriteTime
.PreallocationSize
settings forFileStream
Benchmark Results
I've tested on
samples/seed
project and measuringTemplateProcessor::CopyTemplateResources
elapsed times.86.7
[ms] ->8.0
[ms])copy new file
andoverwrite files
.It's running slightly slower about 10% (e.g.
86.7
[ms] ->96.4
[ms])I thought it's because of following reasons
File.Copy
API requires additional operations (e.g. file's attribute copy)File::Copy
)