From 907b4ff6b5e357d81ba94e6c4a5b7efa753ed77e Mon Sep 17 00:00:00 2001
From: Dan Kolbman <dankolbman@gmail.com>
Date: Wed, 1 Jul 2020 14:40:10 -0400
Subject: [PATCH] :sparkles: Set default repo from git

---
 d3b_release_maker/cli.py | 28 ++++++++++++++++++++++++----
 1 file changed, 24 insertions(+), 4 deletions(-)

diff --git a/d3b_release_maker/cli.py b/d3b_release_maker/cli.py
index b79add5..1a34def 100644
--- a/d3b_release_maker/cli.py
+++ b/d3b_release_maker/cli.py
@@ -1,10 +1,29 @@
 #!/usr/bin/env python
 import click
+import re
+import subprocess
 
-from d3b_release_maker.release_maker import (
-    make_release,
-    new_notes,
-)
+from d3b_release_maker.release_maker import make_release, new_notes
+
+
+def get_repository():
+    """
+    Try to retrieve the github repository by extracting it from the current git
+    repository's 'origin' url.
+    """
+    try:
+        result = subprocess.check_output(
+            ["git", "remote", "get-url", "origin"], stderr=subprocess.DEVNULL
+        )
+    except subprocess.CalledProcessError:
+        # If the git command fails, bail early
+        return None
+
+    result = result.decode().strip()
+    match = re.match(r".*:([\w\d0-9-]+\/[\w\d-]+)", result)
+    if match:
+        return match.group(1)
+    return None
 
 
 @click.group(context_settings={"help_option_names": ["-h", "--help"]})
@@ -26,6 +45,7 @@ def options(function):
         "--repo",
         prompt="The github repository (e.g. my-organization/my-project-name)",
         help="The github organization/repository to make a release for",
+        default=get_repository,
     )(function)
     return function