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package util
import (
"fmt"
"strings"
)
const (
// TaskDelimiter separates a package name from a task name in a task id
TaskDelimiter = "#"
// RootPkgName is the reserved name that specifies the root package
RootPkgName = "//"
)
// GetTaskId returns a package-task identifier (e.g @feed/thing#build).
func GetTaskId(pkgName interface{}, target string) string {
if IsPackageTask(target) {
return target
}
return fmt.Sprintf("%v%v%v", pkgName, TaskDelimiter, target)
}
// RootTaskID returns the task id for running the given task in the root package
func RootTaskID(target string) string {
return GetTaskId(RootPkgName, target)
}
// GetPackageTaskFromId returns a tuple of the package name and target task
func GetPackageTaskFromId(taskId string) (packageName string, task string) {
arr := strings.Split(taskId, TaskDelimiter)
return arr[0], arr[1]
}
// RootTaskTaskName returns the task portion of a root task taskID
func RootTaskTaskName(taskID string) string {
return strings.TrimPrefix(taskID, RootPkgName+TaskDelimiter)
}
// IsPackageTask returns true if input is a package-specific task
// whose name has a length greater than 0.
//
// Accepted: myapp#build
// Rejected: #build, build
func IsPackageTask(task string) bool {
return strings.Index(task, TaskDelimiter) > 0
}
// IsTaskInPackage returns true if the task does not belong to a different package
// note that this means unscoped tasks will always return true
func IsTaskInPackage(task string, packageName string) bool {
if !IsPackageTask(task) {
return true
}
packageNameExpected, _ := GetPackageTaskFromId(task)
return packageNameExpected == packageName
}
// StripPackageName removes the package portion of a taskID if it
// is a package task. Non-package tasks are returned unmodified
func StripPackageName(taskID string) string {
if IsPackageTask(taskID) {
_, task := GetPackageTaskFromId(taskID)
return task
}
return taskID
}
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