Rename "variables" key to "vars" for brevity

README.md

@@ -49,7 +49,7 @@ build:
   deps: [setvar]
   cmds:
   - echo "{{prefix}} {{THEVAR}}"
-  variables:
+  vars:
     prefix: "Path:"
 
 setvar:
@@ -70,9 +70,9 @@ Task local variables are overwritten by variables found in `Variables`. Variable
 build:
   deps: [setvar]
   cmds:
-  - echo "{{prefix}} '{{THEVAR}}'"
+  - echo "{{PREFIX}} '{{THEVAR}}'"
-  variables:
+  vars:
-    prefix: "Result: "
+    PREFIX: "Result: "
 
 setvar:
   cmds:

task.go

@@ -45,7 +45,7 @@ type Task struct {
 	Sources   []string
 	Generates []string
 	Dir       string
-	Variables map[string]string
+	Vars      map[string]string
 	Set       string
 }
 

variable_handling.go

@@ -18,7 +18,7 @@ var (
 
 func (t Task) handleVariables() (map[string]string, error) {
 	localVariables := make(map[string]string)
-	for key, value := range t.Variables {
+	for key, value := range t.Vars {
 		localVariables[key] = value
 	}
 	if fileVariables, err := readVariablefile(); err == nil {