Prepare for unstable/alpha releases of 2.0

We can start issuing unstable nuget packages for
people who want to live on the edge!

Will have to ensure the API instability will remain
for the next few weeks at least

src/MonoTorrent/MonoTorrent.csproj

@@ -13,7 +13,7 @@
     <GitIgnoreTagVersion>true</GitIgnoreTagVersion>
     <GitCommitsRelativeTo>$([MSBuild]::GetDirectoryNameOfFileAbove ('$(MSBuildThisFileDirectory)', 'version.txt'))\</GitCommitsRelativeTo>
 
-    <MonoTorrentReleaseSuffix Condition="Exists ('$(GitCommitsRelativeTo)\alpha.txt')">-alpha</MonoTorrentReleaseSuffix>
+    <MonoTorrentReleaseSuffix Condition="Exists ('$(GitCommitsRelativeTo)\alpha.txt')">-alpha.unstable</MonoTorrentReleaseSuffix>
     <MonoTorrentReleaseSuffix Condition="Exists ('$(GitCommitsRelativeTo)\beta.txt')">-beta</MonoTorrentReleaseSuffix>
 
     <BeforePack>$(BeforePack);SetPackProperties</BeforePack>
@@ -33,7 +33,10 @@
   <!-- want this logic to run if restore hasn't been executed as the 'GitVersion' target won't exist.   -->
   <Target Name="SetAssemblyVersion" BeforeTargets="GetAssemblyVersion" Condition="'$(RestoreSuccess)' == 'true' And '$(Configuration)' == 'Release' " DependsOnTargets="GitVersion">
     <PropertyGroup>
-      <MonoTorrentFileVersion>$(GitSemVerMajor).$(GitSemVerMinor).$(GitSemVerPatch)</MonoTorrentFileVersion>
+      <MonoTorrentFileVersion Condition="$(MonoTorrentReleaseSuffix) == ''">$(GitSemVerMajor).$(GitSemVerMinor).$(GitSemVerPatch)</MonoTorrentFileVersion>
+      <MonoTorrentFileVersion Condition="$(MonoTorrentReleaseSuffix) != ''">$(GitBaseVersion)</MonoTorrentFileVersion>
+
+      <MonoTorrentReleaseSuffix Condition="$(MonoTorrentReleaseSuffix) != ''">$(MonoTorrentReleaseSuffix).build$(GitSemVerPatch)</MonoTorrentReleaseSuffix>
       <MonoTorrentInformationalVersion>$(MonoTorrentFileVersion)-$(GitBranch)+$(GitCommit)</MonoTorrentInformationalVersion>
 
       <AssemblyVersion Condition="'$(AssemblyVersion)' == ''">$(MonoTorrentABIVersion)</AssemblyVersion>

version.txt

@@ -1 +1 @@
-1.9.0
+2.0.0