static KeyValuePair <string, BranchConfig> InheritBranchConfiguration(bool onlyEvaluateTrackedBranches, IRepository repository, Commit currentCommit, Branch currentBranch, KeyValuePair <string, BranchConfig> keyValuePair, BranchConfig branchConfiguration, Config config, IList <Branch> excludedInheritBranches)
{
using (Logger.IndentLog("Attempting to inherit branch configuration from parent branch"))
{
var excludedBranches = new[] { currentBranch };
// Check if we are a merge commit. If so likely we are a pull request
var parentCount = currentCommit.Parents.Count();
if (parentCount == 2)
{
excludedBranches = CalculateWhenMultipleParents(repository, currentCommit, ref currentBranch, excludedBranches);
}
if (excludedInheritBranches == null)
{
excludedInheritBranches = repository.Branches.Where(b =>
{
var branchConfig = LookupBranchConfiguration(config, b);
// NOTE: if length is 0 we couldn't find the configuration for the branch e.g. "origin/master"
// NOTE: if the length is greater than 1 we cannot decide which merge strategy to pick
return((branchConfig.Length != 1) || (branchConfig.Length == 1 && branchConfig[0].Value.Increment == IncrementStrategy.Inherit));
}).ToList();
}
excludedBranches.ToList().ForEach(excludedInheritBranches.Add);
var branchesToEvaluate = repository.Branches.Except(excludedInheritBranches).ToList();
var branchPoint = currentBranch.FindCommitBranchWasBranchedFrom(repository, excludedInheritBranches.ToArray());
List <Branch> possibleParents;
if (branchPoint == null)
{
possibleParents = currentCommit.GetBranchesContainingCommit(repository, branchesToEvaluate, true)
// It fails to inherit Increment branch configuration if more than 1 parent;
// therefore no point to get more than 2 parents
.Take(2)
.ToList();
}
else
{
var branches = branchPoint.GetBranchesContainingCommit(repository, branchesToEvaluate, true).ToList();
if (branches.Count > 1)
{
var currentTipBranches = currentCommit.GetBranchesContainingCommit(repository, branchesToEvaluate, true).ToList();
possibleParents = branches.Except(currentTipBranches).ToList();
}
else
{
possibleParents = branches;
}
}
Logger.WriteInfo("Found possible parent branches: " + string.Join(", ", possibleParents.Select(p => p.FriendlyName)));
if (possibleParents.Count == 1)
{
var branchConfig = GetBranchConfiguration(currentCommit, repository, onlyEvaluateTrackedBranches, config, possibleParents[0], excludedInheritBranches).Value;
return(new KeyValuePair <string, BranchConfig>(
keyValuePair.Key,
new BranchConfig(branchConfiguration)
{
Increment = branchConfig.Increment,
PreventIncrementOfMergedBranchVersion = branchConfig.PreventIncrementOfMergedBranchVersion,
// If we are inheriting from develop then we should behave like develop
IsDevelop = branchConfig.IsDevelop
}));
}
// If we fail to inherit it is probably because the branch has been merged and we can't do much. So we will fall back to develop's config
// if develop exists and master if not
string errorMessage;
if (possibleParents.Count == 0)
{
errorMessage = "Failed to inherit Increment branch configuration, no branches found.";
}
else
{
errorMessage = "Failed to inherit Increment branch configuration, ended up with: " + string.Join(", ", possibleParents.Select(p => p.FriendlyName));
}
var chosenBranch = repository.Branches.FirstOrDefault(b => Regex.IsMatch(b.FriendlyName, "^develop", RegexOptions.IgnoreCase) ||
Regex.IsMatch(b.FriendlyName, "master$", RegexOptions.IgnoreCase));
if (chosenBranch == null)
{
throw new InvalidOperationException("Could not find a 'develop' or 'master' branch, neither locally nor remotely.");
}
var branchName = chosenBranch.FriendlyName;
Logger.WriteWarning(errorMessage + Environment.NewLine + Environment.NewLine + "Falling back to " + branchName + " branch config");
var inheritingBranchConfig = GetBranchConfiguration(currentCommit, repository, onlyEvaluateTrackedBranches, config, chosenBranch).Value;
return(new KeyValuePair <string, BranchConfig>(
keyValuePair.Key,
new BranchConfig(branchConfiguration)
{
Increment = inheritingBranchConfig.Increment,
PreventIncrementOfMergedBranchVersion = inheritingBranchConfig.PreventIncrementOfMergedBranchVersion,
// If we are inheriting from develop then we should behave like develop
IsDevelop = inheritingBranchConfig.IsDevelop
}));
}
}
public static void Write(Config config, TextWriter writer)
{
var serializer = new Serializer(SerializationOptions.None, new HyphenatedNamingConvention());
serializer.Serialize(writer, config);
}
public static KeyValuePair <string, BranchConfig> GetBranchConfiguration(Commit currentCommit, IRepository repository, bool onlyEvaluateTrackedBranches, Config config, Branch currentBranch, IList <Branch> excludedInheritBranches = null)
{
var matchingBranches = LookupBranchConfiguration(config, currentBranch);
if (matchingBranches.Length == 0)
{
var branchConfig = new BranchConfig();
ConfigurationProvider.ApplyBranchDefaults(config, branchConfig);
return(new KeyValuePair <string, BranchConfig>(string.Empty, branchConfig));
}
if (matchingBranches.Length == 1)
{
var keyValuePair = matchingBranches[0];
var branchConfiguration = keyValuePair.Value;
if (branchConfiguration.Increment == IncrementStrategy.Inherit)
{
return(InheritBranchConfiguration(onlyEvaluateTrackedBranches, repository, currentCommit, currentBranch, keyValuePair, branchConfiguration, config, excludedInheritBranches));
}
return(keyValuePair);
}
const string format = "Multiple branch configurations match the current branch branchName of '{0}'. Matching configurations: '{1}'";
throw new Exception(string.Format(format, currentBranch.FriendlyName, string.Join(", ", matchingBranches.Select(b => b.Key))));
}
