First working version

.gitignore

@@ -0,0 +1,3 @@
+.direnv/
+**/__pycache__/*
+result

nixprstatus/__main__.py

@@ -1,11 +1,48 @@
 import typer
+import requests
+from rich.console import Console
 
 app = typer.Typer()
 
+DEFAULT_HEADERS = {
+    "Accept": "application/vnd.github.text+json",
+}
+
+BRANCHES = [ "nixos-unstable-small", "nixos-unstable", "nixos-24.05" ]
+
 @app.command()
-def pr(status: str):
+def pr(pr: str):
     """Get status of pull request"""
-    typer.echo(f"Pull Request Status: {status}")
+    url = f"https://api.github.com/repos/NixOS/nixpkgs/pulls/{pr}"
+
+    pr_response = requests.get(url, headers=DEFAULT_HEADERS)
+    pr_response.raise_for_status()
+
+    pr_data = pr_response.json()
+
+    console = Console()
+
+    if pr_data["merged"] == False:
+        console.print(f":x: master", highlight=False)
+        for branch in BRANCHES:
+            console.print(f":x: {branch}", highlight=False)
+        return
+    
+    console.print(f":white_check_mark: master", highlight=False)
+
+
+    commit_sha = pr_data["merge_commit_sha"]
+
+    for branch in BRANCHES:
+        url = f"https://api.github.com/repos/NixOS/nixpkgs/compare/{branch}...{commit_sha}"
+        commit_response = requests.get(url, headers=DEFAULT_HEADERS)
+        commit_response.raise_for_status()
+        status = commit_response.json().get("status")
+
+        if status in [ "identical", "behind" ]:
+            console.print(f":white_check_mark: {branch}", highlight=False)
+        else:
+            console.print(f":x: {branch}", highlight=False)
 
 def main():
     app()