public static bool TryParseInstallerName(string input, string installerExtension, out GitVersion version)
{
// Installer name is of the form
// Git-2.14.1.gvfs.1.1.gb16030b-64-bit.exe
version = null;
if (!input.StartsWith("Git-", StringComparison.InvariantCultureIgnoreCase))
{
return(false);
}
if (!input.EndsWith("-64-bit" + installerExtension, StringComparison.InvariantCultureIgnoreCase))
{
return(false);
}
return(TryParseVersion(input.Substring(4, input.Length - 15), out version));
}
public bool IsLessThan(GitVersion other)
{
return(this.CompareVersionNumbers(other) < 0);
}
public static bool TryParseVersion(string input, out GitVersion version)
{
version = null;
int major, minor, build, revision = 0, minorRevision = 0;
string platform = null;
if (string.IsNullOrWhiteSpace(input))
{
return(false);
}
string[] parsedComponents = input.Split('.');
int numComponents = parsedComponents.Length;
// We minimally accept the official Git version number format which
// consists of three components: "major.minor.build".
//
// The other supported formats are the Git for Windows and Microsoft Git
// formats which look like: "major.minor.build.platform.revision.minorRevision"
// 0 1 2 3 4 5
// len 1 2 3 4 5 6
//
if (numComponents < 3)
{
return(false);
}
// Major version
if (!TryParseComponent(parsedComponents[0], out major))
{
return(false);
}
// Minor version
if (!TryParseComponent(parsedComponents[1], out minor))
{
return(false);
}
// Build number
if (!TryParseComponent(parsedComponents[2], out build))
{
return(false);
}
// Take the platform component verbatim
if (numComponents >= 4)
{
platform = parsedComponents[3];
}
// Platform revision
if (numComponents < 5 || !TryParseComponent(parsedComponents[4], out revision))
{
revision = 0;
}
// Minor platform revision
if (numComponents < 6 || !TryParseComponent(parsedComponents[5], out minorRevision))
{
minorRevision = 0;
}
version = new GitVersion(major, minor, build, platform, revision, minorRevision);
return(true);
}
