/// <summary>
/// Converts a GitDescribeTag command result into its component parts in a RecordGitDescribeTag
/// <para>The record-->tag value is the actual tag contents</para>
/// <para>The record-->commitsSince is the number of commits since this tag was created.</para>
/// <para>The record-->commitHash is the id of the commit that this tag is a part of</para>
/// </summary>
/// <param name="gitDescribeOutput">The output from the Git Describe --Tags command</param>
/// <returns>RecordGitDescribeTag</returns>
internal static RecordGitDescribeTag GetGitDescribeTag(string gitDescribeOutput)
{
int gitMetaIndexStart = gitDescribeOutput.LastIndexOf("-g");
ControlFlow.Assert(gitMetaIndexStart != -1, "Git Describe out was not in expected format: [" + gitDescribeOutput + "]");
gitMetaIndexStart += 2;
string hash = gitDescribeOutput.Substring(gitMetaIndexStart);
// Find the commit count
string substr = gitDescribeOutput.Substring(0, gitMetaIndexStart - 2);
int commitCountIndex = substr.LastIndexOf('-');
ControlFlow.Assert(commitCountIndex != -1, "Git Describe was not in in expected format. Trying to find CommitCount: [" + gitDescribeOutput + "]");
bool foundCommitCount = int.TryParse(substr.Substring(commitCountIndex + 1), out int commitCount);
if (!foundCommitCount)
{
ControlFlow.Assert(foundCommitCount,
"Git Descrive was not in expected format. Unable to determine the Git Commit Count Since. [" + gitDescribeOutput + "]");
}
string tag = gitDescribeOutput.Substring(0, commitCountIndex);
RecordGitDescribeTag record = new RecordGitDescribeTag(tag, commitCount, hash);
return(record);
}
/// <summary>
/// Finds the latest Ver#.#.# tag on the specified branch returning it in SemVersion format.
/// If it cannot find the Version tag it will set SemVer to 0.0.0
/// </summary>
/// <param name="branchName"></param>
/// <returns></returns>
public SemVersion FindLatestSemVersionOnBranch(string branchName)
{
RecordGitDescribeTag record = FindLatestGitVersionTagOnBranch(branchName);
if (record.tag == string.Empty)
{
return(new SemVersion(0, 0, 0));
}
return(ConvertVersionToSemVersion(record.tag));
}
public void GetGitDescribeTag_Success(string output, bool throwsError, string tag, int commits, string hash)
{
RecordGitDescribeTag record = new RecordGitDescribeTag("", 0, "");
// Test
if (!throwsError)
{
Assert.DoesNotThrow(() => record = GitProcessor.GetGitDescribeTag(output), "A10:");
}
else
{
Assert.Throws <Exception>(() => GitProcessor.GetGitDescribeTag(output), "A20:");
return;
}
// Validate
Assert.AreEqual(tag, record.tag, "A30:");
Assert.AreEqual(commits, record.commitsSince, "A40:");
Assert.AreEqual(hash, record.commitHash, "A50:");
}
