[Salvo] Use Salvo to measure real commits in Envoy repo

[gyohuangxin]

Use Salvo to measure real commits in Envoy repo to find out what can be improve for Salvo and its test cases. Then convert the example of fake commits to the real commits.

[gyohuangxin]

@mum4k Sorry for the absence due to some critical work, I tried to measure real commits you mentioned before, but the commit id seems not be found from main branch in cloned repo.

$ git clone https://github.com/gyohuangxin/envoy && cd envoy
$ git checkout 461bec3bf2a29b56d1117f28df3a0894914d3952
fatal: reference is not a tree: 461bec3bf2a29b56d1117f28df3a0894914d3952

This commit id was 461bec3bf2a29b56d1117f28df3a0894914d3952

Do you have any idea about how to fix it?

[mum4k]

I think 461bec3bf2a29b56d1117f28df3a0894914d3952 is a commit ID before https://github.com/envoyproxy/envoy/pull/19115 was merged onto the main branch.

Envoy uses Squash commits, which means all commits reviewed in the PR get squashed together and result in a single commit into the main branch. We should be using this commit ID instead. This can be found in the conversation history of https://github.com/envoyproxy/envoy/pull/19115 where it was merged in:

Verified that this is available in a clone of the Envoy repository:

$ git clone https://github.com/envoyproxy/envoy && cd envoy
$ git log | grep 02dff6e0235e2f497fb57eb0b7c07cc091c538df
commit 02dff6e0235e2f497fb57eb0b7c07cc091c538df

[gyohuangxin]

@mum4k Thank you, it confused me for a long time. Now it works.

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