1 files changed, 51 insertions, 0 deletions
diff --git a/repos/homebrew.py b/repos/homebrew.py
new file mode 100644
index 0000000..77dc05b
--- /dev/null
+++ b/repos/homebrew.py
@@ -0,0 +1,51 @@
+import json
+from pathlib import Path
+from typing import Mapping
+
+from .base import Repository, Version
+
+__all__ = [
+    'core',
+    'linux',
+    'cask',
+]
+
+def parse_cached(cached: Path) -> Mapping[str, Version]:
+    with cached.open('r') as json_file:
+        formulae = json.load(json_file)
+    result = dict()
+    for formula in formulae:
+        if 'full_name' in formula:
+            name = formula['full_name']
+        elif 'full_token' in formula:
+            name = formula['full_token']
+        else:
+            print('no name', formula)
+            raise ValueError()
+        if 'version' in formula:
+            version = formula['version']
+        elif 'versions' in formula:
+            versions = formula['versions']
+            if 'stable' in versions:
+                version = versions['stable']
+            else:
+                print('no stable versions', versions)
+                raise ValueError()
+        else:
+            print('no versions??', formula)
+            raise ValueError()
+        result[name] = Version(version, version)
+    return result
+
+def build_repo(name: str, url: str) -> Repository:
+    url = f'https://formulae.brew.sh/api/{url}.json'
+    return Repository(
+        family='Homebrew',
+        repo=name,
+        index_url=url,
+        parse=parse_cached,
+    )
+
+core = build_repo('Core', 'formula')
+linux = build_repo('Linux', 'formula-linux')
+cask = build_repo('Cask', 'cask')