X-Git-Url: http://git.scottworley.com/pinch/blobdiff_plain/f00c16b30250a85d379d18c0d9d31e9446d83bb4..8ce159d26ebefd19a7ac6ef8c0c64b460cfcf384:/pinch.py

diff --git a/pinch.py b/pinch.py
index 1827281..f84440c 100644
--- a/pinch.py
+++ b/pinch.py
@@ -509,6 +509,11 @@ def update(args: argparse.Namespace) -> None:
                 assert 'git_repo' not in config[section]
                 continue
 
+            if 'git_repo' not in config[section] or 'release_name' not in config[section]:
+                raise Exception(
+                    'Cannot update unpinned channel "%s" (Run "pin" before "update")' %
+                    section)
+
             if 'channel_url' in config[section]:
                 tarball = fetch_with_nix_prefetch_url(
                     v, config[section]['tarball_url'], Digest16(