refactor: Use templating to display information in 'info'

src/commands/info.rs

@@ -1,10 +1,11 @@
 /* 'info' command displays data from config-file.
  */
-use crate::commands::require_config;
 use crate::versioning;
+use crate::{commands::require_config, config::DEFAULT_FILENAME};
 
 use anyhow::Result;
 use clap::Args;
+use tera::{Context, Tera};
 
 #[derive(Args)]
 pub(crate) struct Arguments {}
@@ -15,27 +16,33 @@ pub(crate) fn execute(_args: &Arguments) -> Result<()> {
         return Err(config.unwrap_err());
     }
     let config = config.unwrap();
-    println!("# Version info");
-    println!();
-    println!("- Current:    {}", config.current_version);
-    println!(
-        "- Next major: {}",
-        versioning::up_major(&config.current_version)
-    );
-    println!(
-        "- Next minor: {}",
-        versioning::up_minor(&config.current_version)
-    );
-    println!(
-        "- Next patch: {}",
-        versioning::up_patch(&config.current_version)
-    );
-    println!();
-    println!("# Replace targets");
-    println!();
+    let mut ctx = Context::new();
+    let mut files: Vec<String> = Vec::new();
+    files.push(DEFAULT_FILENAME.to_string());
+    ctx.insert("current_version", &config.current_version);
+    ctx.insert("next_major", &versioning::up_major(&config.current_version));
+    ctx.insert("next_minor", &versioning::up_minor(&config.current_version));
+    ctx.insert("next_patch", &versioning::up_patch(&config.current_version));
     for f in config.get_files() {
-        println!("- {}", f.path.to_str().unwrap())
+        files.push(f.path.display().to_string());
     }
+    ctx.insert("files", &files);
     // Display infomation data.
+    println!("{}", Tera::one_off(DISPLAY_TEMPLATE, &ctx, true).unwrap());
     Ok(())
 }
+
+const DISPLAY_TEMPLATE: &'static str = r#"
+# Version info
+
+- Current:    {{ current_version }}
+- Next major: {{ next_major }}
+- Next minor: {{ next_minor }}
+- Next patch: {{ next_patch }}
+
+# Relace targets
+
+{% for f in files -%}
+- {{ f|safe }}
+{% endfor -%}
+"#;