From a7580e4e346f46f785675c5bb2c03ccd7e6af71f Mon Sep 17 00:00:00 2001
From: William Banfield <wbanfield@gmail.com>
Date: Mon, 9 May 2022 18:55:11 -0400
Subject: [PATCH] comment fixup

---
 scripts/metricsgen/metricsgen.go                     | 5 ++++-
 scripts/metricsgen/testdata/commented/metrics.gen.go | 2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/scripts/metricsgen/metricsgen.go b/scripts/metricsgen/metricsgen.go
index 70cb36a77..1dad927c0 100644
--- a/scripts/metricsgen/metricsgen.go
+++ b/scripts/metricsgen/metricsgen.go
@@ -251,8 +251,11 @@ func findMetricsStruct(files map[string]*ast.File, structName string) (*ast.Stru
 func parseMetricField(f *ast.Field) ParsedMetricField {
 	var comment string
 	if f.Doc != nil {
-		for _, c := range f.Doc.List {
+		for i, c := range f.Doc.List {
 			comment += strings.TrimPrefix(c.Text, "// ")
+			if i < len(f.Doc.List)-1 {
+				comment += " "
+			}
 		}
 	}
 	pmf := ParsedMetricField{
diff --git a/scripts/metricsgen/testdata/commented/metrics.gen.go b/scripts/metricsgen/testdata/commented/metrics.gen.go
index 038da3d46..c1346da38 100644
--- a/scripts/metricsgen/testdata/commented/metrics.gen.go
+++ b/scripts/metricsgen/testdata/commented/metrics.gen.go
@@ -18,7 +18,7 @@ func PrometheusMetrics(namespace string, labelsAndValues ...string) *Metrics {
 			Namespace: namespace,
 			Subsystem: MetricsSubsystem,
 			Name:      "field",
-			Help:      "Height of the chain.We expect multi-line comments to parse correctly.",
+			Help:      "Height of the chain. We expect multi-line comments to parse correctly.",
 		}, labels).With(labelsAndValues...),
 	}
 }