feat(git): validate if PATH git version is safe git

[wu21-web]

Description

Simply prints a warning to the user if their git in path version is lower than 2.41

Type of Change

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Refactoring (no functional changes)
• Documentation update
• CI / Build / Tooling

How Has This Been Tested?

• make test passes locally
• Manual testing (describe below)

Compiled it on alibaba cloud linux with has git 2.17.1

shell@Alicloud:~/open-code-review$ make build
go build -ldflags "-X main.Version=v0.0.0-7e59d53 -X main.GitCommit=7e59d53 -X main.BuildDate=2026-08-12T11:53:57Z" -o ./dist/opencodereview ./cmd/opencodereview

shell@Alicloud:~/open-code-review$ 
shell@Alicloud:~/open-code-review$ cd dist/
shell@Alicloud:~/open-code-review/dist$ ls
opencodereview
shell@Alicloud:~/open-code-review/dist$ ./opencodereview config provider
warning: git 2.17.1 is older than the minimum supported version 2.41.0. Some commands may not work correctly; consider upgrading git.
Cancelled.
shell@Alicloud:~/open-code-review/dist$ 

Checklist

• My code follows the project's coding style (go fmt, go vet)
• I have performed a self-review of my code
• I have added tests that prove my fix is effective or my feature works
• New and existing unit tests pass locally with my changes
• I have updated the documentation accordingly (if applicable)
• I have signed the CLA

Related Issues

Discussion at: #860

[github-actions]

🔍 OpenCodeReview found 2 issue(s) in this PR.

• ✅ Successfully posted inline: 2 comment(s)