From fb940889f0be56492bde5d008ed48ff58f172948 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Mon, 20 Dec 2021 18:55:59 +0300
Subject: Adapt to requirement alternatives parsing API change

---
 libbbot/manifest.cxx           | 26 ++++++++++++++++++--------
 tests/manifest/task.testscript | 18 +++++++++++++++++-
 2 files changed, 35 insertions(+), 9 deletions(-)

diff --git a/libbbot/manifest.cxx b/libbbot/manifest.cxx
index c604810..3f07091 100644
--- a/libbbot/manifest.cxx
+++ b/libbbot/manifest.cxx
@@ -530,6 +530,11 @@ namespace bbot
     optional<name_value> repo_url;
     optional<repository_type> repo_type;
 
+    // We will also cache the requires values to parse them later, after the
+    // package name is parsed.
+    //
+    vector<name_value> reqs;
+
     for (nv = p.next (); !nv.empty (); nv = p.next ())
     {
       string& n (nv.name);
@@ -602,14 +607,7 @@ namespace bbot
       }
       else if (n == "requires")
       {
-        try
-        {
-          requirements.push_back (requirement_alternatives (v));
-        }
-        catch (const invalid_argument& e)
-        {
-          bad_value (e.what ());
-        }
+        reqs.push_back (move (nv));
       }
       else if (n == "tests" || n == "examples" || n == "benchmarks")
       {
@@ -754,6 +752,18 @@ namespace bbot
       nv = move (*repo_url); // Restore as bad_value() uses its line/column.
       bad_value (string ("invalid task repository URL: ") + e.what ());
     }
+
+    // Parse the requirements.
+    //
+    for (const name_value& r: reqs)
+    {
+      requirements.push_back (
+        requirement_alternatives (r.value,
+                                  name,
+                                  p.name (),
+                                  r.value_line,
+                                  r.value_column));
+    }
   }
 
   void task_manifest::
diff --git a/tests/manifest/task.testscript b/tests/manifest/task.testscript
index 2d50914..bd1a365 100644
--- a/tests/manifest/task.testscript
+++ b/tests/manifest/task.testscript
@@ -79,13 +79,29 @@ test.options += -t
     name: foo
     version: 1.0
     repository-url: http://pkg.example.org/1/math
-    requires: c++14
+    requires: {c++ >= 14 windows}
     requires: host
     machine: windows
     target: x86_64-microsoft-win32-msvc14.0
     EOF
   }
 
+  : requires-invalid
+  :
+  {
+    $* <<EOI 2>>EOE != 0
+    : 1
+    name: foo
+    version: 1.0
+    repository-url: http://pkg.example.org/1/math
+    requires: {c++ >= 14 windows
+    machine: windows
+    target: x86_64-microsoft-win32-msvc14.0
+    EOI
+    stdin:5:29: error: requirement or '}' expected
+    EOE
+  }
+
   : tests
   :
   {
-- 
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