517dac6ff8
Improve naming, so it's clear file "extensions" are not taken in the `PurePath(path).suffix` sense as the original function name suggests, but rather that the files are opened and their magic bytes are classified. Add type hints. Fix a bug where `stream.read(num_bytes)` was run on the compressed stream instead of the uncompressed stream, which can potentially break detection of tar.bz2 files. Ensure that when peeking into streams for magic bytes, they are reset to their original position upon return. Use new API in `spack logs`. |
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