feat: apply mirror git config for serving performance#130
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alecthomas merged 1 commit intomainfrom Feb 20, 2026
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Add configureMirror() helper that applies git config settings to mirror clones for optimised upload-pack serving: - Protocol v2, allowFilter, allowReachableSHA1InWant - Bitmap settings for faster pack generation - Commit graph (without Bloom filters) - Multi-pack-index to avoid full repack on fetch - Unpack limits to keep fetched objects as packs - Disable auto GC (maintenance will be explicit) - Pack performance tuning (threads, deltaCacheSize, windowMemory) Called after git clone --mirror succeeds and for repos discovered by DiscoverExisting() on startup, so pre-existing repos get updated.
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Closes #124
Apply git config settings from the design doc (#23) to mirror clones for optimised
upload-packserving.Changes
mirrorConfigSettings()returning all 17 config key-value pairs (protocol, bitmaps, commit graph, multi-pack-index, unpack limits, GC, pack performance)configureMirror()helper that applies settings viagit configexecuteClone()callsconfigureMirror()after clone, replacing the standaloneuploadpack.allowFiltercallDiscoverExisting()callsconfigureMirror()for each discovered repo on startup so pre-existing repos get updated