Skip tasks v0.4.0

README.md

@@ -63,6 +63,12 @@ To see a list of all available tasks with their descriptions:
 $ crystal sam.cr help
 ```
 
+To skip a task or prerequisite task:
+
+```shell
+$ crystal sam.cr name ~prereq2
+```
+
 #### Tasks with arguments
 
 To pass arguments to your task just list them after it's name:

spec/sam_spec.cr

@@ -52,6 +52,12 @@ describe Sam do
           Container.tasks.should eq(["db:schema", "db:with_argument"])
         end
       end
+      context "with arguments" do
+        it "ignores dependencies that have a ~" do
+          Sam.process_tasks(["db:schema:2", "~db:schema:1", "f2=2"])
+          Container.tasks.should eq(["db:db:migrate"])
+        end
+      end
     end
   end
 

spec/spec_helper.cr

@@ -47,6 +47,9 @@ namespace "db" do
       puts "1"
       Container.add("db:schema:1")
     end
+
+    task "2", ["1", "db:db:migrate"] do |t, args|
+    end
   end
 
   task "with_argument" do |t, args|

src/sam/task.cr

@@ -35,6 +35,7 @@ module Sam
 
     # Launch current task. Prerequisites are invoked first.
     def call(args : Args)
+      return if args.raw.find {|x| "~#{path}" == x }
       @invoked = true
       case @block.arity
       when 0, 1