From acc3ef398c456c9157443200d42f11e4668fc646 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 26 Mar 2024 11:42:10 +0200
Subject: Get rid of extraneous trailing blank lines in auxiliary environment
 value

---
 bbot/agent/agent.cxx   | 4 ++--
 bbot/worker/worker.cxx | 5 +++++
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/bbot/agent/agent.cxx b/bbot/agent/agent.cxx
index 2de1d8b..7d734d3 100644
--- a/bbot/agent/agent.cxx
+++ b/bbot/agent/agent.cxx
@@ -2020,10 +2020,10 @@ start_auxiliary_machines (const vector<bootstrapped_machine*>& ams,
 
     // Add the machine name as a header before its environment.
     //
+    if (i != 0) envs += '\n';
     envs += "# "; envs += tam.name; envs += '\n';
     envs += "#\n";
-    envs += p.second;
-    envs += '\n';
+    envs += p.second; // Always includes trailing newline.
   }
 
   tm.auxiliary_environment = move (envs);
diff --git a/bbot/worker/worker.cxx b/bbot/worker/worker.cxx
index 8388d03..5f857b0 100644
--- a/bbot/worker/worker.cxx
+++ b/bbot/worker/worker.cxx
@@ -6060,6 +6060,11 @@ parse_auxiliary_environment (const string& s, const char* comment = nullptr)
     r.push_back (move (line));
   }
 
+  // Pop the final blank line comment.
+  //
+  if (comment != nullptr && r.back () == comment)
+    r.pop_back ();
+
   return r;
 }
 
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