"invalid version 0 on git_proxy_options" from libgit2: cause? fix? walk-around?

user_612829 0
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I'm getting this error "invalid version 0 on git_proxy_options" from libgit2. This did not happen until very recently (I have recompiled my code so it may be a version issue). I'm not using a proxy. Does anyone know anything about this? What causes this message? Is there anything I can do to stop the failure? Either a fix or or a work-around will do.

Specifically, I am using the Rust crate git2 version 0.13.23. I am doing a fetch that triggers the error. This is on Fedora 34 on x86_64. I have searched on this but there does not seem to be any matches that help.

libgit2
2 Answers
git2 = {version="0.13.22", features = ["vendored-libgit2"]}

in Cargo.toml fixed the issue.

user_6128290

Interesting...

I had upgraded libgit2 to 1.3.0 from 1.1.1. That broke my existing cargo install, so I unpacked the previous libgit2.so.1.1 with a symlink to libgit2.so.1. That's when this error condition showed up. After thinking a bit I decided to symlink libgit2.so.1.3 to libgit2.so.1.1 and it built my new cargo version which linked to the new libgit2.so.1.3. Then I deleted my libgit2.so.1.1 stuff. Kinda weird, and usually you expect things not to work when it has been linked to a previous .so version.

user_171315370
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