Notifications: icon per outcome, body says how the job went

Title is the job (kind and args), body the outcome: succeeded in, failed
with exit code N after, killed after, lost. Icons are freedesktop names:
emblem-default, dialog-error, process-stop, dialog-warning, computer.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/sb_builder/fmt.py b/sb_builder/fmt.py
index 55a2d0d..5c50628 100644
--- a/sb_builder/fmt.py
+++ b/sb_builder/fmt.py
@@ -54,6 +54,16 @@ def job_title(j):
     return " ".join([j["kind"], *j["args"]])
 
 
+def outcome(j):
+    """How an ended job went, as a sentence for its notification."""
+    took = fmt_duration(j["end"] - j["start"]) if "end" in j and "start" in j else None
+    after = f" after {took}" if took else ""
+    return {"ok": f"Succeeded in {took}" if took else "Succeeded",
+            "failed": f"Failed with exit code {j.get('exit', '?')}{after}",
+            "killed": f"Killed{after}",
+            "lost": "Lost: its runner died (killed, crashed or the VM rebooted)"}[j["status"]]
+
+
 def describe(j):
     """One-line job summary: icon, kind and args, start time, duration."""
     dur = None if "start" not in j else j.get("end", time.time()) - j["start"]