Add a configuration variable for greedy cask (fix #401)

config.example.toml

@@ -53,3 +53,6 @@
 # Custom commands
 #[commands]
 #"Python Environment" = "~/dev/.env/bin/pip install -i https://pypi.python.org/simple -U --upgrade-strategy eager jupyter"
+
+#[brew]
+#greedy_cask = true

src/config.rs

@@ -51,6 +51,11 @@ pub enum Step {
     Tmux,
 }
 
+#[derive(Deserialize, Default, Debug)]
+pub struct Brew {
+    greedy_cask: Option<bool>,
+}
+
 #[derive(Deserialize, Default, Debug)]
 pub struct Composer {
     self_update: Option<bool>,
@@ -79,6 +84,7 @@ pub struct ConfigFile {
     accept_all_windows_updates: Option<bool>,
     only: Option<Vec<Step>>,
     composer: Option<Composer>,
+    brew: Option<Brew>,
 }
 
 impl ConfigFile {
@@ -366,6 +372,15 @@ impl Config {
         self.config_file.accept_all_windows_updates.unwrap_or(true)
     }
 
+    /// Whether Brew cask should be greedy
+    pub fn brew_cask_greedy(&self) -> bool {
+        self.config_file
+            .brew
+            .as_ref()
+            .and_then(|c| c.greedy_cask)
+            .unwrap_or(false)
+    }
+
     /// Whether Composer should update itself
     pub fn composer_self_update(&self) -> bool {
         self.config_file

src/main.rs

@@ -141,7 +141,7 @@ fn run() -> Result<()> {
     #[cfg(unix)]
     {
         if config.should_run(Step::PackageManagers) {
-            runner.execute("brew", || unix::run_homebrew(config.cleanup(), run_type))?;
+            runner.execute("brew", || unix::run_homebrew(&ctx))?;
             #[cfg(target_os = "macos")]
             runner.execute("MacPorts", || macos::run_macports(&ctx))?;
             runner.execute("nix", || unix::run_nix(&ctx))?;

src/steps/os/unix.rs

@@ -30,9 +30,11 @@ pub fn run_fisher(base_dirs: &BaseDirs, run_type: RunType) -> Result<()> {
     run_type.execute(&fish).args(&["-c", "fisher"]).check_run()
 }
 
-pub fn run_homebrew(cleanup: bool, run_type: RunType) -> Result<()> {
+pub fn run_homebrew(ctx: &ExecutionContext) -> Result<()> {
     let brew = require("brew")?;
     print_separator("Brew");
+    let run_type = ctx.run_type();
+    let config = ctx.config();
 
     run_type.execute(&brew).arg("update").check_run()?;
     run_type
@@ -45,13 +47,22 @@ pub fn run_homebrew(cleanup: bool, run_type: RunType) -> Result<()> {
         .check_output()
         .map(|p| Path::new(p.trim()).exists())?;
 
-    if cask_upgrade_exists {
-        run_type.execute(&brew).args(&["cu", "-ay"]).check_run()?;
+    let cask_args = if cask_upgrade_exists {
+        let mut args = vec!["cu", "-y"];
+        if config.brew_cask_greedy() {
+            args.push("-a");
+        }
+        args
     } else {
-        run_type.execute(&brew).args(&["cask", "upgrade"]).check_run()?;
-    }
+        let mut args = vec!["cask", "upgrade"];
+        if config.brew_cask_greedy() {
+            args.push("--greedy");
+        }
+        args
+    };
+    run_type.execute(&brew).args(&cask_args).check_run()?;
 
-    if cleanup {
+    if ctx.config().cleanup() {
         run_type.execute(&brew).arg("cleanup").check_run()?;
     }