From e47ed2a264364cace0519ee16f152fe882f2e6f8 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Tue, 29 Jan 2019 22:34:05 +0300
Subject: Add support for $ in standard version constraint

---
 libbutl/standard-version.mxx | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'libbutl/standard-version.mxx')

diff --git a/libbutl/standard-version.mxx b/libbutl/standard-version.mxx
index 6688237..d9e46c7 100644
--- a/libbutl/standard-version.mxx
+++ b/libbutl/standard-version.mxx
@@ -287,6 +287,8 @@ LIBBUTL_MODEXPORT namespace butl
   // ('^' | '~') <version>
   // ('(' | '[') <version> <version> (')' | ']')
   //
+  // The version may be `$` which refers to the dependent package version.
+  //
   struct LIBBUTL_SYMEXPORT standard_version_constraint
   {
     butl::optional<standard_version> min_version;
@@ -299,6 +301,12 @@ LIBBUTL_MODEXPORT namespace butl
     explicit
     standard_version_constraint (const std::string&);
 
+    // As above but also completes the special `$` version using the specified
+    // dependent package version.
+    //
+    standard_version_constraint (const std::string&,
+                                 const standard_version& dependent_version);
+
     // Throw std::invalid_argument if the specified version range is invalid.
     //
     standard_version_constraint (
-- 
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