feat(cli/changelog): implement changelog command

saku-cli/src/changelog.rs

@@ -0,0 +1,13 @@
+use saku_lib::prelude::*;
+
+use saku_lib::exec;
+use saku_lib::util::msg;
+use saku_lib::util::path;
+
+pub fn changelog(name: &str) -> Result<()> {
+    msg::changelog(name, &path::repo(name));
+
+    exec::changelog(name)?;
+
+    Ok(())
+}

saku-cli/src/lib.rs

@@ -1,6 +1,7 @@
 pub mod env;
 pub mod config;
 pub mod show;
+pub mod changelog;
 pub mod search;
 pub mod install;
 pub mod add;

saku-lib/util/msg.rs

@@ -69,3 +69,7 @@ pub fn remove(name: &str) {
 pub fn add_flask(name: &str, url: &str) {
     println!("{}", format!("adding flask {} from {}", general::name_f(name), general::url_f(url)))
 }
+
+pub fn changelog(name: &str, path: &str) {
+    println!("{}", format!("showing changes for {} at {COLOR_BLUE}{}{COLOR_RESET}", general::name_f(name), path))
+}

src/main.rs

@@ -134,6 +134,12 @@ fn get_commands() -> Command {
                         .arg(arg!(<NAME> ... "Package to install")),
                 )
         )
+        .subcommand(
+            Command::new("changelog")
+                .about("show package changelog")
+                .arg_required_else_help(false)
+                .arg(arg!([NAME] "Package name"))
+        )
 }
 
 fn main() -> Result<()> {
@@ -321,6 +327,13 @@ fn main() -> Result<()> {
                 (&_, _) => Err(Error::Unexpected),
             }
         }
+        Some(("changelog", sub_matches)) => {
+            let name: String = sub_matches
+                .get_one::<String>("NAME").map_or("saku".to_string(), |v| v.to_owned());
+
+            cli::changelog::changelog(&name)?;
+            Ok(())
+        }
         // If all subcommands are defined above, anything else is unreachable!()
         _ => {
             Err(make_err!(Missing, "missing command. run saku --help."))