Add --custom-command (r-darwish#927)

* Add --custom-command
Fixes r-darwish#922

* fix

.vscode/launch.json

@@ -32,7 +32,7 @@
         {
             "type": "promptString",
             "id": "step",
-            "description": "step nname",
+            "description": "step name",
         }
     ]
 }

src/config.rs

@@ -397,6 +397,10 @@ pub struct CommandLineArgs {
     #[clap(long = "only", arg_enum)]
     only: Vec<Step>,
 
+    /// Run only specific custom commands
+    #[clap(long = "custom-commands")]
+    custom_commands: Vec<String>,
+
     /// Set environment variables
     #[clap(long = "env")]
     env: Vec<String>,
@@ -876,4 +880,12 @@ impl Config {
     pub fn display_time(&self) -> bool {
         self.config_file.display_time.unwrap_or(true)
     }
+
+    pub fn should_run_custom_command(&self, name: &str) -> bool {
+        if self.opt.custom_commands.is_empty() {
+            return true;
+        }
+
+        self.opt.custom_commands.iter().any(|s| s == name)
+    }
 }

src/main.rs

@@ -360,9 +360,11 @@ fn run() -> Result<()> {
 
     if let Some(commands) = config.commands() {
         for (name, command) in commands {
-            runner.execute(Step::CustomCommands, name, || {
-                generic::run_custom_command(name, command, &ctx)
-            })?;
+            if config.should_run_custom_command(name) {
+                runner.execute(Step::CustomCommands, name, || {
+                    generic::run_custom_command(name, command, &ctx)
+                })?;
+            }
         }
     }