1 files changed, 43 insertions, 0 deletions
diff --git a/vendor/clap/src/output/help.rs b/vendor/clap/src/output/help.rs
new file mode 100644
index 000000000..4e4fdbfdc
--- /dev/null
+++ b/vendor/clap/src/output/help.rs
@@ -0,0 +1,43 @@
+#![cfg_attr(not(feature = "help"), allow(unused_variables))]
+
+// Internal
+use crate::builder::Command;
+use crate::builder::StyledStr;
+use crate::output::Usage;
+
+/// Writes the parser help to the wrapped stream.
+pub(crate) fn write_help(writer: &mut StyledStr, cmd: &Command, usage: &Usage<'_>, use_long: bool) {
+    debug!("write_help");
+
+    if let Some(h) = cmd.get_override_help() {
+        writer.extend(h.iter());
+    } else {
+        #[cfg(feature = "help")]
+        {
+            use super::AutoHelp;
+            use super::HelpTemplate;
+            if let Some(tmpl) = cmd.get_help_template() {
+                for (style, content) in tmpl.iter() {
+                    if style.is_none() {
+                        HelpTemplate::new(writer, cmd, usage, use_long)
+                            .write_templated_help(content);
+                    } else {
+                        writer.stylize(style, content);
+                    }
+                }
+            } else {
+                AutoHelp::new(writer, cmd, usage, use_long).write_help();
+            }
+        }
+
+        #[cfg(not(feature = "help"))]
+        {
+            debug!("write_help: no help, `Command::override_help` and `help` is missing");
+        }
+    }
+
+    // Remove any extra lines caused by book keeping
+    writer.trim();
+    // Ensure there is still a trailing newline
+    writer.none("\n");
+}