pr: add flag --no-headers

nixpkgs_review/cli/__init__.py

@@ -66,6 +66,11 @@ def pr_flags(
         action="store_true",
         help="Post the nixpkgs-review results as a PR comment",
     )
+    pr_parser.add_argument(
+        "--no-headers",
+        action="store_true",
+        help="Do not render the header in the markdown report",
+    )
     pr_parser.set_defaults(func=pr_command)
     return pr_parser
 

nixpkgs_review/cli/pr.py

@@ -93,6 +93,7 @@ def pr_command(args: argparse.Namespace) -> str:
                     nixpkgs_config=nixpkgs_config,
                     extra_nixpkgs_config=args.extra_nixpkgs_config,
                     num_parallel_evals=args.num_parallel_evals,
+                    show_header=not args.no_headers,
                 )
                 contexts.append((pr, builddir.path, review.build_pr(pr)))
             except NixpkgsReviewError as e:

nixpkgs_review/report.py

@@ -149,9 +149,11 @@ def __init__(
         self,
         attrs_per_system: dict[str, list[Attr]],
         extra_nixpkgs_config: str,
+        show_header: bool = True,
         *,
         checkout: Literal["merge", "commit"] = "merge",
     ) -> None:
+        self.show_header = show_header
         self.attrs = attrs_per_system
         self.checkout = checkout
 
@@ -198,17 +200,19 @@ def json(self, pr: int | None) -> str:
         )
 
     def markdown(self, pr: int | None) -> str:
-        msg = "## `nixpkgs-review` result\n\n"
-        msg += "Generated using [`nixpkgs-review`](https://github.com/Mic92/nixpkgs-review).\n\n"
-
-        cmd = "nixpkgs-review"
-        if pr is not None:
-            cmd += f" pr {pr}"
-        if self.extra_nixpkgs_config:
-            cmd += f" --extra-nixpkgs-config '{self.extra_nixpkgs_config}'"
-        if self.checkout != "merge":
-            cmd += f" --checkout {self.checkout}"
-        msg += f"Command: `{cmd}`\n"
+        msg = ""
+        if self.show_header:
+            msg += "## `nixpkgs-review` result\n\n"
+            msg += "Generated using [`nixpkgs-review`](https://github.com/Mic92/nixpkgs-review).\n\n"
+
+            cmd = "nixpkgs-review"
+            if pr is not None:
+                cmd += f" pr {pr}"
+            if self.extra_nixpkgs_config:
+                cmd += f" --extra-nixpkgs-config '{self.extra_nixpkgs_config}'"
+            if self.checkout != "merge":
+                cmd += f" --checkout {self.checkout}"
+            msg += f"Command: `{cmd}`\n"
 
         for system, report in self.system_reports.items():
             msg += "\n---\n"

nixpkgs_review/review.py

@@ -106,6 +106,7 @@ def __init__(
         checkout: CheckoutOption = CheckoutOption.MERGE,
         sandbox: bool = False,
         num_parallel_evals: int = 1,
+        show_header: bool = True,
     ) -> None:
         if skip_packages_regex is None:
             skip_packages_regex = []
@@ -144,6 +145,7 @@ def __init__(
         self.nixpkgs_config = nixpkgs_config
         self.extra_nixpkgs_config = extra_nixpkgs_config
         self.num_parallel_evals = num_parallel_evals
+        self.show_header = show_header
 
     def _process_aliases_for_systems(self, system: str) -> set[str]:
         match system:
@@ -359,6 +361,7 @@ def start_review(
             attrs_per_system,
             self.extra_nixpkgs_config,
             checkout=self.checkout.name.lower(),  # type: ignore[arg-type]
+            show_header=self.show_header,
         )
         report.print_console(pr)
         report.write(path, pr)