With Capistrano, you can deploy by specifying a specific branch or commit.

Deploy by specifying a branch name

cap production deploy -S branch="hoge_branch"

Deploy by specifying a revision number

cap production deploy -S revision=80655da8d80aaaf92ce5357e7828dc09adb00993

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Reference Information

• ruby on rails - How do I target a specific commit SHA with capistrano deploy - Stack Overflow

That’s all from the Gemba.