Metadata config in CLI; 45

Author: Marek Suchánek

src/cmd_line.rs

@@ -52,6 +52,9 @@ pub struct CommonOptions {
     #[bpaf(external, optional)]
     pub examples: Option<Examples>,
 
+    #[bpaf(external, optional)]
+    pub metadata: Option<Metadata>,
+
     #[bpaf(external, optional)]
     pub file_prefixes: Option<FilePrefixes>,
 
@@ -147,6 +150,17 @@ pub enum Simplified {
     NotSimplified,
 }
 
+#[derive(Clone, Copy, Debug, Bpaf, Default, PartialEq)]
+pub enum Metadata {
+    /// Generate the file with the metadata attributes header. (Default)
+    #[default]
+    #[bpaf(long)]
+    Metadata,
+    /// Generate the file without any example, placeholder content.
+    #[bpaf(long)]
+    NoMetadata,
+}
+
 #[derive(Clone, Copy, Debug, Bpaf, Default, PartialEq)]
 pub enum FilePrefixes {
     /// Use module type prefixes (such as `proc_`) in file names. (Default)

src/config.rs

@@ -32,7 +32,7 @@ use figment::{
 use serde::{Deserialize, Serialize};
 
 use crate::cmd_line::{
-    AnchorPrefixes, Cli, Comments, Examples, FilePrefixes, Simplified, Verbosity,
+    AnchorPrefixes, Cli, Comments, Examples, Metadata, FilePrefixes, Simplified, Verbosity,
 };
 
 const PKG_NAME: &str = env!("CARGO_PKG_NAME");
@@ -98,6 +98,15 @@ impl Options {
             }
             None => { /* Keep the existing value. */ }
         }
+        match cli.common_options.metadata {
+            Some(Metadata::Metadata) => {
+                self.metadata = true;
+            }
+            Some(Metadata::NoMetadata) => {
+                self.metadata = false;
+            }
+            None => { /* Keep the existing value. */ }
+        }
         match cli.common_options.simplified {
             Some(Simplified::Simplified) => {
                 self.simplified = true;