The Windows installer fetched the latest git-for-windows release via
api.github.com/repos/git-for-windows/git/releases/latest, which is
rate-limited to 60 requests/hour/IP for unauthenticated callers. Users
behind CGNAT, corporate NAT, dorm WiFi, or shared ISP routinely hit the
limit, and the installer aborts asking them to install Git manually.
Switch to a pinned release tag (v2.54.0.windows.1) and a static
github.com/.../releases/download/<tag>/<asset> URL. Static download
URLs are served by GitHub's blob storage and are not subject to the
API rate limit.
Trade-offs:
- We have to bump the pin when we want a newer Git for Windows. The
installer doesn't depend on Git features beyond 'works', so this is
a once-a-year maintenance cost at most.
- Loses the (cosmetic) MB size display, since we no longer have asset
metadata. Replaced with the version string in the 'Downloading ...'
line instead.
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