From b9e8ca2f16bc06fdaa9b2b7c3bfffca01ec590ac Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 9 Jun 2022 08:58:12 +0200
Subject: Handle bogus configuration variables

---
 bpkg/package-configuration.hxx | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'bpkg/package-configuration.hxx')

diff --git a/bpkg/package-configuration.hxx b/bpkg/package-configuration.hxx
index d6fc989..655b414 100644
--- a/bpkg/package-configuration.hxx
+++ b/bpkg/package-configuration.hxx
@@ -46,8 +46,32 @@ namespace bpkg
     // first set this variable to this value.
     //
     optional<package_key> dependent;
+
+    // If origin is buildfile, then this flag indicates whether the
+    // originating dependent has been encountered during the negotiation
+    // retry.
+    //
+    bool confirmed;
+
+  public:
+    void
+    undefine ()
+    {
+      origin = build2::config::variable_origin::undefined;
+      value = nullopt;
+      dependent = nullopt;
+      confirmed = false;
+    }
+
+    // Serialize the variable value as a command line override.
+    //
+    string
+    serialize_cmdline () const;
   };
 
+  void
+  to_checksum (sha256&, const config_variable_value&);
+
   // A subset of config_variable_value for variable values set by the
   // dependents (origin is buildfile). Used to track change history.
   //
-- 
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