Adds support for 'myrepos' cli tool (#149)

README.md

@@ -84,6 +84,7 @@ Just run `topgrade`. It will run the following steps:
 * Upgrade Emacs packages (You'll get a better output if you have [Paradox](https://github.com/Malabarba/paradox) installed)
 * Upgrade [OCaml packages](https://opam.ocaml.org/)
 * Upgrade [vcpkg](https://github.com/Microsoft/vcpkg) globally installed packages
+* Upgrade [myrepos](https://myrepos.branchable.com/) managed sourcecode repositories
 * Upgrade Python packages installed using [pipx](https://github.com/cs01/pipx)
 * Upgrade [R globally installed packages](https://github.com/ankane/jetpack)
 * Upgrade Vim/Neovim packages. Works with the following plugin frameworks:

src/main.rs

@@ -277,6 +277,12 @@ fn run() -> Result<(), Error> {
         || generic::run_pipx_update(run_type),
         config.no_retry(),
     )?;
+    execute(
+        &mut report,
+        "myrepos",
+        || generic::run_myrepos_update(&base_dirs, run_type),
+        config.no_retry(),
+    )?;
     #[cfg(unix)]
     execute(&mut report, "pearl", || unix::run_pearl(run_type), config.no_retry())?;
     execute(

src/steps/generic.rs

@@ -88,6 +88,26 @@ pub fn run_pipx_update(run_type: RunType) -> Result<(), Error> {
     run_type.execute(&pipx).arg("upgrade-all").check_run()
 }
 
+pub fn run_myrepos_update(base_dirs: &BaseDirs, run_type: RunType) -> Result<(), Error> {
+    let myrepos = utils::require("mr")?;
+    base_dirs.home_dir().join(".mrconfig").require()?;
+
+    print_separator("myrepos");
+
+    run_type
+        .execute(&myrepos)
+        .arg("--directory")
+        .arg(base_dirs.home_dir())
+        .arg("checkout")
+        .check_run()?;
+    run_type
+        .execute(&myrepos)
+        .arg("--directory")
+        .arg(base_dirs.home_dir())
+        .arg("update")
+        .check_run()
+}
+
 pub fn run_custom_command(name: &str, command: &str, run_type: RunType) -> Result<(), Error> {
     print_separator(name);
     run_type.execute("sh").arg("-c").arg(command).check_run()