Merge branch 'main' into main

.chloggen/mdatagen-usage.yaml

@@ -0,0 +1,25 @@
+# Use this changelog template to create an entry for release notes.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: enhancement
+
+# The name of the component, or a single word describing the area of concern, (e.g. otlpreceiver)
+component: mdatagen
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Updates mdatagen's usage to output a complete command line example, including the metadata.yaml file.
+
+# One or more tracking issues or pull requests related to the change
+issues: [10886]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:
+
+# Optional: The change log or logs in which this entry should be included.
+# e.g. '[user]' or '[user, api]'
+# Include 'user' if the change is relevant to end users.
+# Include 'api' if there is a change to a library API.
+# Default: '[user]'
+change_logs: []

cmd/mdatagen/main.go

@@ -28,6 +28,10 @@ const (
 )
 
 func main() {
+	flag.Usage = func() {
+		fmt.Fprintf(flag.CommandLine.Output(), "Usage: %s metadata.yaml\n", os.Args[0])
+		flag.PrintDefaults()
+	}
 	flag.Parse()
 	yml := flag.Arg(0)
 	if err := run(yml); err != nil {