Deprecate Dependency.versionSpec

All places which assumed that Dependency contained a VersionRange have been culled,
so we can now start removing those properties.

source/dub/commandline.d

@@ -2752,7 +2752,7 @@ private bool addDependency(Dub dub, ref PackageRecipe recipe, string depspec)
 		}
 	}
 	recipe.buildSettings.dependencies[depname] = dep;
-	logInfo("Adding dependency %s %s", depname, dep.versionSpec);
+	logInfo("Adding dependency %s %s", depname, dep.toString());
 	return true;
 }
 

source/dub/dependency.d

@@ -179,17 +179,19 @@ struct Dependency {
 			(VersionRange v) => v,
 		);
 		enforce(range.isExactVersion(),
-				"Dependency "~this.versionSpec~" is no exact version.");
+				"Dependency "~range.toString()~" is no exact version.");
 		return range.m_versA;
 	}
 
 	/// Sets/gets the matching version range as a specification string.
+	deprecated("Create a new `Dependency` instead and provide a `VersionRange`")
 	@property void versionSpec(string ves) @trusted
 	{
 		this.m_value = VersionRange.fromString(ves);
 	}
 
 	/// ditto
+	deprecated("Use `Dependency.visit` and match `VersionRange`instead")
 	@property string versionSpec() const @safe {
 		return this.m_value.match!(
 			(const NativePath   p) => ANY_IDENT,
@@ -481,19 +483,19 @@ public auto visit (Handlers...) (auto ref Dependency dep)
 
 unittest {
 	Dependency a = Dependency(">=1.1.0"), b = Dependency(">=1.3.0");
-	assert (a.merge(b).valid() && a.merge(b).versionSpec == ">=1.3.0", a.merge(b).toString());
+	assert (a.merge(b).valid() && a.merge(b).toString() == ">=1.3.0", a.merge(b).toString());
 
 	assertThrown(Dependency("<=2.0.0 >=1.0.0"));
 	assertThrown(Dependency(">=2.0.0 <=1.0.0"));
 
 	a = Dependency(">=1.0.0 <=5.0.0"); b = Dependency(">=2.0.0");
-	assert (a.merge(b).valid() && a.merge(b).versionSpec == ">=2.0.0 <=5.0.0", a.merge(b).toString());
+	assert (a.merge(b).valid() && a.merge(b).toString() == ">=2.0.0 <=5.0.0", a.merge(b).toString());
 
 	assertThrown(a = Dependency(">1.0.0 ==5.0.0"), "Construction is invalid");
 
 	a = Dependency(">1.0.0"); b = Dependency("<2.0.0");
 	assert (a.merge(b).valid(), a.merge(b).toString());
-	assert (a.merge(b).versionSpec == ">1.0.0 <2.0.0", a.merge(b).toString());
+	assert (a.merge(b).toString() == ">1.0.0 <2.0.0", a.merge(b).toString());
 
 	a = Dependency(">2.0.0"); b = Dependency("<1.0.0");
 	assert (!(a.merge(b)).valid(), a.merge(b).toString());
@@ -649,13 +651,13 @@ unittest {
 }
 
 unittest {
-	assert(Dependency("~>1.0.4").versionSpec == "~>1.0.4");
-	assert(Dependency("~>1.4").versionSpec == "~>1.4");
-	assert(Dependency("~>2").versionSpec == "~>2");
-	assert(Dependency("~>1.0.4+1.2.3").versionSpec == "~>1.0.4");
-	assert(Dependency("^0.1.2").versionSpec == "^0.1.2");
-	assert(Dependency("^1.2.3").versionSpec == "^1.2.3");
-	assert(Dependency("^1.2").versionSpec == "~>1.2"); // equivalent; prefer ~>
+	assert(VersionRange.fromString("~>1.0.4").toString() == "~>1.0.4");
+	assert(VersionRange.fromString("~>1.4").toString() == "~>1.4");
+	assert(VersionRange.fromString("~>2").toString() == "~>2");
+	assert(VersionRange.fromString("~>1.0.4+1.2.3").toString() == "~>1.0.4");
+	assert(VersionRange.fromString("^0.1.2").toString() == "^0.1.2");
+	assert(VersionRange.fromString("^1.2.3").toString() == "^1.2.3");
+	assert(VersionRange.fromString("^1.2").toString() == "~>1.2"); // equivalent; prefer ~>
 }
 
 /**

source/dub/recipe/sdl.d

@@ -554,7 +554,7 @@ lflags "lf3"
 	assert(rec.buildSettings.dependencies["projectname:subpackage1"].optional == false);
 	assert(rec.buildSettings.dependencies["projectname:subpackage1"].path == NativePath("."));
 	assert(rec.buildSettings.dependencyBuildSettings["projectname:subpackage1"].dflags == ["":["-g", "-debug"]]);
-	assert(rec.buildSettings.dependencies["somedep"].versionSpec == "1.0.0");
+	assert(rec.buildSettings.dependencies["somedep"].version_.toString() == "1.0.0");
 	assert(rec.buildSettings.dependencies["somedep"].optional == true);
 	assert(rec.buildSettings.dependencies["somedep"].path.empty);
 	assert(rec.buildSettings.systemDependencies == "system dependencies");
@@ -671,7 +671,7 @@ dependency "package" repository="git+https://some.url" version="12345678"
 	parseSDL(rec, sdl, null, "testfile");
 	auto dependency = rec.buildSettings.dependencies["package"];
 	assert(!dependency.repository.empty);
-	assert(dependency.versionSpec == "12345678");
+	assert(dependency.repository.ref_ == "12345678");
 }
 
 unittest {