feat: add more helm template flags

flux_local/helm.py

@@ -240,6 +240,21 @@ class Options:
     registry_config: str | None = None
     """Value of the helm --registry-config flag."""
 
+    is_upgrade: bool = False
+    """Set .Release.IsUpgrade instead of .Release.IsInstall."""
+
+    include_crds: bool = False
+    """Include CRDs in the helm template output."""
+
+    no_hooks: bool = False
+    """Exclude hook-annotated templates from the output."""
+
+    show_only: list[str] | None = None
+    """Render only specific template files."""
+
+    enable_dns: bool = False
+    """Enable DNS lookups during rendering."""
+
     skip_invalid_paths: bool = False
     """Skip HelmReleases with invalid local paths."""
 
@@ -263,6 +278,17 @@ def template_args(self) -> list[str]:
             args.extend(["--kube-version", self.kube_version])
         if self.api_versions:
             args.extend(["--api-versions", self.api_versions])
+        if self.is_upgrade:
+            args.append("--is-upgrade")
+        if self.include_crds:
+            args.append("--include-crds")
+        if self.no_hooks:
+            args.append("--no-hooks")
+        if self.show_only:
+            for template in self.show_only:
+                args.extend(["--show-only", template])
+        if self.enable_dns:
+            args.append("--enable-dns")
         return args
 
     @property

flux_local/tool/selector.py

@@ -236,6 +236,36 @@ def add_helm_options_flags(args: ArgumentParser) -> None:
         action=BooleanOptionalAction,
         help="When true, skip helm releases with local paths that do not exist",
     )
+    args.add_argument(
+        "--is-upgrade",
+        default=False,
+        action=BooleanOptionalAction,
+        help="Set .Release.IsUpgrade instead of .Release.IsInstall during helm template",
+    )
+    args.add_argument(
+        "--include-crds",
+        default=False,
+        action=BooleanOptionalAction,
+        help="Include CRDs in the helm template output",
+    )
+    args.add_argument(
+        "--no-hooks",
+        default=False,
+        action="store_true",
+        help="Exclude hook-annotated templates from the output",
+    )
+    args.add_argument(
+        "--show-only",
+        "-s",
+        action="append",
+        help="Only show manifests rendered from the given templates",
+    )
+    args.add_argument(
+        "--enable-dns",
+        default=False,
+        action=BooleanOptionalAction,
+        help="Enable DNS lookups during helm template rendering",
+    )
 
 
 def build_helm_options(**kwargs) -> helm.Options:  # type: ignore[no-untyped-def]
@@ -251,6 +281,11 @@ def build_helm_options(**kwargs) -> helm.Options:  # type: ignore[no-untyped-def
         kube_version=kwargs.get("kube_version"),
         api_versions=kwargs.get("api_versions"),
         registry_config=kwargs.get("registry_config"),
+        is_upgrade=kwargs.get("is_upgrade", False),
+        include_crds=kwargs.get("include_crds", False),
+        no_hooks=kwargs.get("no_hooks", False),
+        show_only=kwargs.get("show_only"),
+        enable_dns=kwargs.get("enable_dns", False),
         skip_invalid_paths=kwargs.get("skip_invalid_helm_release_paths", False),
     )