public ConvertedArguments Convert(DiffToolArguments arguments)
{
string baseSha = arguments.LeftSHA;
string headSha = arguments.RightSHA;
throwOnEmptySha(new[] { baseSha, headSha });
FileStorageDiffCacheFolder diffFolder = getDiffFolder(baseSha, headSha);
Debug.Assert(diffFolder != null);
var configValue = GitTools.GetConfigKeyValue(GitTools.ConfigScope.Global, Constants.GitDiffToolConfigKey);
if (String.IsNullOrEmpty(configValue.FirstOrDefault()))
{
throw new ArgumentConversionException("Diff Tool is not registered", null);
}
string diffToolPath = configValue.FirstOrDefault()
.Replace("$LOCAL", diffFolder.LeftSubfolder)
.Replace("$REMOTE", diffFolder.RightSubfolder)
.Replace("//", "/");
return(new ConvertedArguments(diffToolPath, String.Empty));
}
private bool verifyDiffFolder(string baseSha, string headSha, string diffFolderPath)
{
FileStorageDiffCacheFolder diffFolder = new FileStorageDiffCacheFolder(diffFolderPath);
if (!Directory.Exists(diffFolder.LeftSubfolder) || !Directory.Exists(diffFolder.RightSubfolder))
{
return(false);
}
getRevisions(baseSha, headSha, out var baseRevisions, out var headRevisions);
if (baseRevisions == null || headRevisions == null)
{
return(false);
}
return(baseRevisions.Select(x => x.GitFilePath.ToDiskPath(diffFolder.LeftSubfolder)).All(x => File.Exists(x)) &&
headRevisions.Select(x => x.GitFilePath.ToDiskPath(diffFolder.RightSubfolder)).All(x => File.Exists(x)));
}
private FileStorageDiffCacheFolder getDiffFolder(string baseSha, string headSha)
{
FileStorageDiffCacheFolder diffFolder = null;
try
{
diffFolder = _fileStorage.DiffCache.GetDiffFolder(baseSha, headSha);
}
catch (FileStorageDiffCacheException ex)
{
throw new ArgumentConversionException(String.Format(
"Cannot locate or create a folder with diff for {0} vs {1}", baseSha, headSha), ex);
}
if (diffFolder == null || diffFolder.LeftSubfolder == null || diffFolder.RightSubfolder == null)
{
throw new ArgumentConversionException(String.Format(
"Invalid diff folder for {0} vs {1}", baseSha, headSha), null);
}
return(diffFolder);
}
