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Anthony
35f97f225d
I've added an optional progress handler for rootfs unpacking so that consumers can show progress. The Ubuntu image takes about 8 seconds to unpack on my machine, and I'm developing an app where it would be useful to show progress in the UI. Total size is determined in an optional first pass that scans archive headers. Bytes written are then reported during unpacking. The optional first pass adds 15 (Alpine) to 115 (Ubuntu) ms to unpacking duration on my machine, depending on image size.