Add RubyGems update (#217)

src/config.rs

@@ -130,6 +130,7 @@ pub enum Step {
     Remotes,
     Restarts,
     Rtcl,
+    RubyGems,
     Rustup,
     Scoop,
     Sdkman,

src/main.rs

@@ -360,6 +360,9 @@ fn run() -> Result<()> {
     runner.execute(Step::Composer, "composer", || generic::run_composer_update(&ctx))?;
     runner.execute(Step::Krew, "krew", || generic::run_krew_upgrade(run_type))?;
     runner.execute(Step::Gem, "gem", || generic::run_gem(&base_dirs, run_type))?;
+    runner.execute(Step::RubyGems, "rubygems", || {
+        generic::run_rubygems(&base_dirs, run_type)
+    })?;
     runner.execute(Step::Julia, "julia", || generic::update_julia_packages(&ctx))?;
     runner.execute(Step::Haxelib, "haxelib", || generic::run_haxelib_update(&ctx))?;
     runner.execute(Step::Sheldon, "sheldon", || generic::run_sheldon(&ctx))?;

src/steps/generic.rs

@@ -70,7 +70,7 @@ pub fn run_gem(base_dirs: &BaseDirs, run_type: RunType) -> Result<()> {
     let gem = utils::require("gem")?;
     base_dirs.home_dir().join(".gem").require()?;
 
-    print_separator("RubyGems");
+    print_separator("Gems");
 
     let mut command = run_type.execute(gem);
     command.arg("update");
@@ -83,6 +83,23 @@ pub fn run_gem(base_dirs: &BaseDirs, run_type: RunType) -> Result<()> {
     command.status_checked()
 }
 
+pub fn run_rubygems(base_dirs: &BaseDirs, run_type: RunType) -> Result<()> {
+    let gem = utils::require("gem")?;
+    base_dirs.home_dir().join(".gem").require()?;
+
+    print_separator("RubyGems");
+
+    let mut command = run_type.execute(gem);
+    command.arg("update --system");
+
+    if env::var_os("RBENV_SHELL").is_none() {
+        debug!("Detected rbenv. Avoiding --user-install");
+        command.arg("--user-install");
+    }
+
+    command.status_checked()
+}
+
 pub fn run_haxelib_update(ctx: &ExecutionContext) -> Result<()> {
     let haxelib = utils::require("haxelib")?;