dotnet-installer/build_projects/shared-build-targets-utils/Utils/Version.cs
2016-05-16 14:55:15 -05:00

39 lines
1.6 KiB
C#

using System.Collections.Generic;
namespace Microsoft.DotNet.Cli.Build
{
public abstract class Version
{
public virtual int Major { get; set; }
public virtual int Minor { get; set; }
public virtual int Patch { get; set; }
public virtual int CommitCount { get; set; }
public virtual string CommitCountString => CommitCount.ToString("000000");
public virtual string ReleaseSuffix { get; set; }
public string GenerateMsiVersion()
{
// MSI versioning
// Encode the CLI version to fit into the MSI versioning scheme - https://msdn.microsoft.com/en-us/library/windows/desktop/aa370859(v=vs.85).aspx
// MSI versions are 3 part
// major.minor.build
// Size(bits) of each part 8 8 16
// So we have 32 bits to encode the CLI version
// Starting with most significant bit this how the CLI version is going to be encoded as MSI Version
// CLI major -> 6 bits
// CLI minor -> 6 bits
// CLI patch -> 6 bits
// CLI commitcount -> 14 bits
var major = Major << 26;
var minor = Minor << 20;
var patch = Patch << 14;
var msiVersionNumber = major | minor | patch | CommitCount;
var msiMajor = (msiVersionNumber >> 24) & 0xFF;
var msiMinor = (msiVersionNumber >> 16) & 0xFF;
var msiBuild = msiVersionNumber & 0xFFFF;
return $"{msiMajor}.{msiMinor}.{msiBuild}";
}
}
}