From e46dcff2767435630f9f28e4e5ea141309798801 Mon Sep 17 00:00:00 2001
From: Taras Madan <tarasmadan@google.com>
Date: Wed, 28 Aug 2024 11:54:59 +0200
Subject: pkg/covermerger: optimize checkouts

Every commit checkout takes >3 seconds.
Let's optimize this operation to save on large merges.
---
 pkg/covermerger/provider_monorepo.go | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'pkg/covermerger')

diff --git a/pkg/covermerger/provider_monorepo.go b/pkg/covermerger/provider_monorepo.go
index 4f908606f..379c8c138 100644
--- a/pkg/covermerger/provider_monorepo.go
+++ b/pkg/covermerger/provider_monorepo.go
@@ -94,6 +94,15 @@ func (mr *monoRepo) cloneCommits(rbcs []RepoCommit) {
 		if mr.repoCommitPresent(rbc) {
 			continue
 		}
+		commitExistsInRepo, err := mr.repo.CommitExists(rbc.Commit)
+		if err != nil {
+			log.Logf(0, "can't check CommitExists: %s", err.Error())
+		}
+		if commitExistsInRepo {
+			log.Logf(0, "commit %s exists in local repo, no need to clone", rbc.Commit)
+			mr.repoCommits[rbc] = struct{}{}
+			continue
+		}
 		mr.addRepoCommit(rbc)
 	}
 }
-- 
cgit mrf-deployment