only use /scratch if it exists

turns out we use this in the GitHub Actions too, which don't have /scratch Signed-off-by: Alex Suraci <[email protected]>
concourse · Jan 4, 2021 · 579cc81 · 579cc81
1 parent 6176ced
commit 579cc81
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/cmd/task/main.go b/cmd/task/main.go
@@ -29,9 +29,12 @@ func main() {
 		}
 	}
 
-	buildkitd, err := task.SpawnBuildkitd(req, &task.BuildkitdOpts{
-		RootDir: "/scratch/buildkitd",
-	})
+	var opts task.BuildkitdOpts
+	if _, err := os.Stat("/scratch"); err == nil {
+		opts.RootDir = "/scratch/buildkitd"
+	}
+
+	buildkitd, err := task.SpawnBuildkitd(req, &opts)
 	failIf("start buildkitd", err)
 
 	res, err := task.Build(buildkitd, wd, req)