examples/unschroot.py: fix sbuild compatibility

The parent commit regressed working with "chroot:" prefixed chroots.
Directory chroots are required to emit a "Mount Location" to be
considered valid by sbuild.

1 files changed, 4 insertions, 1 deletions

diff --git a/examples/unschroot.py b/examples/unschroot.py
index 58e14b7..32a93b5 100755
--- a/examples/unschroot.py
+++ b/examples/unschroot.py
@@ -231,6 +231,9 @@ class DirectorySessionChroot(SessionChroot):
         data = super().infodata()
         data["Type"] = "directory"
         data["Directory"] = str(self.source.path)
+        # It's a gross lie, but sbuild does not work without. It has to
+        # actually exist and should not occur inside build logs.
+        data["Location"] = str(self.source.path)
         return data
 
     def mount(self) -> pathlib.Path:
@@ -308,7 +311,7 @@ def do_info(args: argparse.Namespace) -> None:
 def do_begin_session(args: argparse.Namespace) -> None:
     """Begin a session; returns the session ID"""
     chrootmap = scan_chroots()
-    source = chrootmap[args.chroot]
+    source = chrootmap[args.chroot.removeprefix("chroot:")]
     assert isinstance(source, SourceChroot)
     session = source.newsession()
     print(session.name)