From 319b95045a8f17a0d5f4d5e6e1fc7d631860e47c Mon Sep 17 00:00:00 2001
From: Nelson Osacky <nelson@emergetools.com>
Date: Mon, 28 Jul 2025 14:55:03 +0200
Subject: [PATCH 1/5] Add ability to check certificate.

---
 src/launchpad/cli.py                   |  2 ++
 src/launchpad/distribution/__init__.py |  5 +++
 src/launchpad/distribution/cli.py      | 47 ++++++++++++++++++++++++++
 3 files changed, 54 insertions(+)
 create mode 100644 src/launchpad/distribution/__init__.py
 create mode 100644 src/launchpad/distribution/cli.py

diff --git a/src/launchpad/cli.py b/src/launchpad/cli.py
index 2da831ab..9a9af1ba 100644
--- a/src/launchpad/cli.py
+++ b/src/launchpad/cli.py
@@ -7,6 +7,7 @@
 import click
 
 from . import __version__
+from .distribution import distribution_command
 from .service import run_service
 from .size.cli import size_command
 from .utils.console import console
@@ -81,6 +82,7 @@ def serve(host: str, port: int, mode: str | None, verbose: bool) -> None:
 
 
 cli.add_command(size_command)
+cli.add_command(distribution_command)
 
 
 def main() -> None:
diff --git a/src/launchpad/distribution/__init__.py b/src/launchpad/distribution/__init__.py
new file mode 100644
index 00000000..64d5b54b
--- /dev/null
+++ b/src/launchpad/distribution/__init__.py
@@ -0,0 +1,5 @@
+"""Distribution module."""
+
+from .cli import distribution_command
+
+__all__ = ["distribution_command"]
diff --git a/src/launchpad/distribution/cli.py b/src/launchpad/distribution/cli.py
new file mode 100644
index 00000000..dee8702b
--- /dev/null
+++ b/src/launchpad/distribution/cli.py
@@ -0,0 +1,47 @@
+"""Distribution command for analyzing APK certificates."""
+
+from __future__ import annotations
+
+from pathlib import Path
+
+import click
+
+from ..utils.android.apksigner import Apksigner, ApksignerError
+from ..utils.console import console
+from ..utils.logging import setup_logging
+
+
+@click.command()
+@click.argument("apk_path", type=click.Path(exists=True, path_type=Path))
+@click.option("--verbose", "-v", is_flag=True, help="Enable verbose logging output.")
+def distribution_command(apk_path: Path, verbose: bool) -> None:
+    """Print certificate information for an APK file.
+
+    Uses apksigner to extract and display the certificate information
+    from the specified APK file.
+    """
+    setup_logging(verbose=verbose, quiet=False)
+
+    if not apk_path.suffix.lower() == ".apk":
+        console.print(f"[bold red]Error:[/bold red] File must be an APK file, got: {apk_path.suffix}")
+        raise click.Abort()
+
+    console.print(f"[bold blue]Analyzing APK certificate:[/bold blue] {apk_path}")
+
+    try:
+        apksigner = Apksigner()
+        cert_info = apksigner.get_certs(apk_path)
+        console.print("\n[bold green]Certificate Information:[/bold green]")
+        console.print(cert_info)
+    except ApksignerError as e:
+        console.print(f"[bold red]Error running apksigner:[/bold red] {e}")
+        if verbose:
+            console.print(f"Return code: {e.returncode}")
+            console.print(f"Stdout: {e.stdout}")
+            console.print(f"Stderr: {e.stderr}")
+        raise click.Abort()
+    except Exception as e:
+        console.print(f"[bold red]Unexpected error:[/bold red] {e}")
+        if verbose:
+            console.print_exception()
+        raise click.Abort()

From 406af9b64dae914165bc59acca2b4e96a0ffe9b2 Mon Sep 17 00:00:00 2001
From: Nelson Osacky <nelson@emergetools.com>
Date: Mon, 28 Jul 2025 15:43:25 +0200
Subject: [PATCH 2/5] empty init file

---
 src/launchpad/distribution/__init__.py | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/src/launchpad/distribution/__init__.py b/src/launchpad/distribution/__init__.py
index 64d5b54b..e69de29b 100644
--- a/src/launchpad/distribution/__init__.py
+++ b/src/launchpad/distribution/__init__.py
@@ -1,5 +0,0 @@
-"""Distribution module."""
-
-from .cli import distribution_command
-
-__all__ = ["distribution_command"]

From 87434e046d65895efed6004e6af680898edf844a Mon Sep 17 00:00:00 2001
From: Nelson Osacky <nelson@emergetools.com>
Date: Mon, 28 Jul 2025 15:45:00 +0200
Subject: [PATCH 3/5] remove comment

---
 src/launchpad/distribution/cli.py | 2 --
 1 file changed, 2 deletions(-)

diff --git a/src/launchpad/distribution/cli.py b/src/launchpad/distribution/cli.py
index dee8702b..8dee2e0b 100644
--- a/src/launchpad/distribution/cli.py
+++ b/src/launchpad/distribution/cli.py
@@ -1,5 +1,3 @@
-"""Distribution command for analyzing APK certificates."""
-
 from __future__ import annotations
 
 from pathlib import Path

From 26980b744ee6763d4d078971447850cd8f40df7e Mon Sep 17 00:00:00 2001
From: Nelson Osacky <nelson@emergetools.com>
Date: Mon, 28 Jul 2025 15:46:58 +0200
Subject: [PATCH 4/5] Fix imports

---
 src/launchpad/cli.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/launchpad/cli.py b/src/launchpad/cli.py
index 9a9af1ba..78accaf3 100644
--- a/src/launchpad/cli.py
+++ b/src/launchpad/cli.py
@@ -7,7 +7,7 @@
 import click
 
 from . import __version__
-from .distribution import distribution_command
+from .distribution.cli import distribution_command
 from .service import run_service
 from .size.cli import size_command
 from .utils.console import console

From b19de0c6dadd9abf87f49c7a27706c4b3bb27f71 Mon Sep 17 00:00:00 2001
From: Nelson Osacky <nelson@emergetools.com>
Date: Mon, 28 Jul 2025 15:48:46 +0200
Subject: [PATCH 5/5] Add distribution command

---
 src/launchpad/distribution/cli.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/launchpad/distribution/cli.py b/src/launchpad/distribution/cli.py
index 8dee2e0b..bc92b5b5 100644
--- a/src/launchpad/distribution/cli.py
+++ b/src/launchpad/distribution/cli.py
@@ -9,7 +9,7 @@
 from ..utils.logging import setup_logging
 
 
-@click.command()
+@click.command("distribution")
 @click.argument("apk_path", type=click.Path(exists=True, path_type=Path))
 @click.option("--verbose", "-v", is_flag=True, help="Enable verbose logging output.")
 def distribution_command(apk_path: Path, verbose: bool) -> None: