"Your git pull is going to break."

I stored business documents — PDFs, images, spreadsheets, about 110 files totaling 35MB — in a private GitHub repo. The plan was simple: version-control everything, let AI agents access it from any machine.

Then I ran git pull from a second PC:

error: RPC failed; curl 56 GnuTLS recv error (-54) fatal: early EOF fatal: fetch-pack: invalid index-pack output

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Clone didn't work either. My repository was unreachable. The cause? HTTPS and its dependency on GnuTLS.

Why HTTPS Breaks Under Load

When you run git clone https://... , here's the stack:

git clone (HTTPS) └→ git-remote-https └→ libcurl (HTTP library) └→ libgnutls (SSL/TLS) ← breaks here └→ TCP → GitHub

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Ubuntu's default Git uses GnuTLS for HTTPS.…