Minor fixes to otlp vendor update script

Signed-off-by: Goutham <gouthamve@gmail.com>

storage/remote/otlptranslator/prometheus/normalize_label.go

@@ -1,3 +1,5 @@
+// DO NOT EDIT. COPIED AS-IS. SEE ../README.md
+
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
@@ -25,6 +27,7 @@ var dropSanitizationGate = featuregate.GlobalRegistry().MustRegister(
 //
 // Exception is made for double-underscores which are allowed
 func NormalizeLabel(label string) string {
+
 	// Trivial case
 	if len(label) == 0 {
 		return label

storage/remote/otlptranslator/prometheus/normalize_name.go

@@ -1,3 +1,5 @@
+// DO NOT EDIT. COPIED AS-IS. SEE ../README.md
+
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 

storage/remote/otlptranslator/prometheus/unit_to_ucum.go

@@ -1,3 +1,5 @@
+// DO NOT EDIT. COPIED AS-IS. SEE ../README.md
+
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 

storage/remote/otlptranslator/prometheusremotewrite/helper.go

@@ -1,4 +1,4 @@
-// DO NOT EDIT. COPIED AS-IS. SEE README.md
+// DO NOT EDIT. COPIED AS-IS. SEE ../README.md
 
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0

storage/remote/otlptranslator/prometheusremotewrite/histograms.go

@@ -1,4 +1,4 @@
-// DO NOT EDIT. COPIED AS-IS. SEE README.md
+// DO NOT EDIT. COPIED AS-IS. SEE ../README.md
 
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0

storage/remote/otlptranslator/prometheusremotewrite/metrics_to_prw.go

@@ -1,4 +1,4 @@
-// DO NOT EDIT. COPIED AS-IS. SEE README.md
+// DO NOT EDIT. COPIED AS-IS. SEE ../README.md
 
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0

storage/remote/otlptranslator/prometheusremotewrite/number_data_points.go

@@ -1,4 +1,4 @@
-// DO NOT EDIT. COPIED AS-IS. SEE README.md
+// DO NOT EDIT. COPIED AS-IS. SEE ../README.md
 
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0

storage/remote/otlptranslator/update-copy.sh

@@ -1,4 +1,5 @@
 #!/bin/bash
+set -xe
 
 OTEL_VERSION=v0.88.0
 
@@ -6,11 +7,16 @@ git clone https://github.com/open-telemetry/opentelemetry-collector-contrib ./tm
 cd ./tmp
 git checkout $OTEL_VERSION
 cd ..
+
 rm -rf ./prometheusremotewrite/*
 cp -r ./tmp/pkg/translator/prometheusremotewrite/*.go ./prometheusremotewrite
+rm -rf ./prometheusremotewrite/*_test.go
+
+rm -rf ./prometheus/*
 cp -r ./tmp/pkg/translator/prometheus/*.go ./prometheus
 rm -rf ./prometheus/*_test.go
+
 rm -rf ./tmp
 
 sed -i '' 's#github.com/open-telemetry/opentelemetry-collector-contrib/pkg/translator/prometheus#github.com/prometheus/prometheus/storage/remote/otlptranslator/prometheus#g' ./prometheusremotewrite/*.go
-sed -i '' '1s#^#// DO NOT EDIT. COPIED AS-IS. SEE README.md\n\n#g' ./prometheusremotewrite/*.go
+sed -i '' '1s#^#// DO NOT EDIT. COPIED AS-IS. SEE ../README.md\n\n#g' ./prometheusremotewrite/*.go ./prometheus/*.go