add uses to Task model and schema

src/api/src/backend/models.py

@@ -430,7 +430,7 @@ class Meta:
 
     # Props
     id = models.CharField(validators=[validate_id], max_length=128)
-    _if = models.TextField(null=True)
+    condition = models.TextField(null=True)
     cache = models.BooleanField(null=True)
     depends_on = models.JSONField(null=True, default=list)
     description = models.TextField(null=True)
@@ -447,6 +447,7 @@ class Meta:
     poll = models.BooleanField(null=True)
     retry_policy = models.CharField(max_length=32, default=EnumRetryPolicy.ExponentialBackoff)
     type = models.CharField(max_length=32, choices=TASK_TYPES)
+    uses = models.JSONField(null=True) 
     uuid = models.UUIDField(primary_key=True, default=uuid.uuid4)
 
     # Image build specific properties

src/api/src/backend/views/http/requests.py

@@ -492,17 +492,25 @@ class TaskExecutionProfile(BaseExecutionProfile):
 
 class GitRepository(BaseModel):
     url: str
-    branch: str = None # If no branch specified, the default branch will be used
+    branch: str = None
+    auth: GithubAuth = None
+
+class ClonedGitRepository(GitRepository):
     directory: str
 
+class Uses(BaseModel):
+    repository: GitRepository
+
+
 class BaseTask(BaseModel):
     id: ID
     type: LiteralTaskTypes
+    uses: Uses = None
     depends_on: List[TaskDependency] = []
     description: str = None
     execution_profile: TaskExecutionProfile = TaskExecutionProfile()
     input: Dict[str, TaskInputValue] = {}
-    _if: str = None
+    condition: str = None
     output: Dict[str, BaseOutputValue] = {}
 
     class Config:
@@ -605,7 +613,7 @@ class RequestTask(BaseTask):
 
 class FunctionTask(BaseTask):
     type: Literal["function"]
-    git_repositories: List[GitRepository] = []
+    git_repositories: List[ClonedGitRepository] = []
     runtime: EnumRuntimeEnvironment
     packages: List[str] = []
     installer: EnumInstaller