private static bool CommitRepository(string provname, string provid, string repoPath, string firstname, string lastname, string mail, bool pushremote)
{
try
{
lock (_gitAccessLock)
{
var o1 = ProcessHelper.ProcExecute("git", "add .", repoPath);
LoggerSingleton.Inst.Debug("LocalGitMirror", "git mirror [git add]", o1.ToString());
var o2 = ProcessHelper.ProcExecute("git", "status", repoPath);
LoggerSingleton.Inst.Debug("LocalGitMirror", "git mirror [git status]", o2.ToString());
if (o2.StdOut.Contains("nothing to commit") || o2.StdErr.Contains("nothing to commit"))
{
LoggerSingleton.Inst.Debug("LocalGitMirror", "Local git mirror not updated ('nothing to commit')");
return(false);
}
var msg =
"Automatic Mirroring of AlephNote notes" + "\n" +
"" + "\n" +
"# AlephNote Version: " + $"{AlephAppContext.AppVersion.Item1}.{AlephAppContext.AppVersion.Item2}.{AlephAppContext.AppVersion.Item3}.{AlephAppContext.AppVersion.Item4}" + "\n" +
"# Timestamp(UTC): " + DateTime.UtcNow.ToString("yyyy-MM-dd HH:mm:ss") + "\n" +
"# Provider: " + provname + "\n" +
"# Provider (ID): " + provid + "\n";
var o3 = ProcessHelper.ProcExecute("git", $"commit -a --allow-empty --message=\"{msg}\" --author=\"{firstname} {lastname} <{mail}>\"", repoPath);
LoggerSingleton.Inst.Debug("LocalGitMirror", "git mirror [git commit]", o3.ToString());
if (pushremote)
{
var o4 = ProcessHelper.ProcExecute("git", "push", repoPath);
LoggerSingleton.Inst.Debug("LocalGitMirror", "git mirror [git push]", o4.ToString());
}
LoggerSingleton.Inst.Info("LocalGitMirror", "Local git mirror updated" + (pushremote ? " (+ pushed)":""));
return(true);
}
}
catch (Exception e)
{
LoggerSingleton.Inst.Error("PluginManager", "Local git mirroring (commit) failed with exception:\n" + e.Message, e.ToString());
LoggerSingleton.Inst.ShowExceptionDialog("Local git mirror (commit) failed", e);
return(false);
}
}
private static void CollectGarbage(string repoPath, int gcCount)
{
try
{
var cache = LoadGitGCCache();
if (!cache.ContainsKey(repoPath))
{
cache[repoPath] = 0;
}
cache[repoPath] = cache[repoPath] + 1;
if (cache[repoPath] >= gcCount)
{
cache[repoPath] = 0;
LoggerSingleton.Inst.Debug("LocalGitMirror", $"Resetting GC counter to {cache[repoPath]}/{gcCount}", "");
SaveGitGCCache(cache);
// https://stackoverflow.com/a/18006967/1761622
// stupid git - supressing output if stderr is not a tty
var o1 = ProcessHelper.ProcExecute("git", "gc", repoPath);
LoggerSingleton.Inst.Debug("LocalGitMirror", "git mirror [git gc]", o1.ToString());
}
else
{
LoggerSingleton.Inst.Debug("LocalGitMirror", $"Increment GC counter to {cache[repoPath]}/{gcCount}", "");
SaveGitGCCache(cache);
}
}
catch (Exception e)
{
LoggerSingleton.Inst.Error("LocalGitMirror", "Could not load GC_CACHE file", e);
LoggerSingleton.Inst.ShowExceptionDialog("Local git mirror (git gc) failed", e);
}
}
public static void UpdateRepository(NoteRepository nrepo, AppSettings config)
{
if (!config.DoGitMirror)
{
return;
}
if (string.IsNullOrWhiteSpace(config.GitMirrorPath))
{
LoggerSingleton.Inst.Warn("LocalGitMirror", "Cannot do a local git mirror: Path is empty.");
return;
}
if (string.IsNullOrWhiteSpace(config.GitMirrorFirstName))
{
LoggerSingleton.Inst.Warn("LocalGitMirror", "Cannot do a local git mirror: Authorname is empty.");
return;
}
if (string.IsNullOrWhiteSpace(config.GitMirrorLastName))
{
LoggerSingleton.Inst.Warn("LocalGitMirror", "Cannot do a local git mirror: Authorname is empty.");
return;
}
if (string.IsNullOrWhiteSpace(config.GitMirrorMailAddress))
{
LoggerSingleton.Inst.Warn("LocalGitMirror", "Cannot do a local git mirror: Authormail is empty.");
return;
}
try
{
lock (_gitAccessLock)
{
var notes = GetNotes(nrepo);
if (!NeedsUpdate(notes, config))
{
LoggerSingleton.Inst.Debug("LocalGitMirror", "git repository is up to date - no need to commit");
return;
}
Directory.CreateDirectory(config.GitMirrorPath);
var githead = Path.Combine(config.GitMirrorPath, ".git", "HEAD");
if (!File.Exists(githead))
{
if (Directory.EnumerateFileSystemEntries(config.GitMirrorPath).Any())
{
LoggerSingleton.Inst.Warn("LocalGitMirror", "Cannot do a local git mirror: Targetfolder is neither a repository nor empty.");
return;
}
var o = ProcessHelper.ProcExecute("git", "init", config.GitMirrorPath);
LoggerSingleton.Inst.Debug("LocalGitMirror", "git mirror [git init]", o.ToString());
}
string targetFolder = config.GitMirrorPath;
if (config.GitMirrorSubfolders)
{
var subfolder = Path.Combine(config.GitMirrorPath, config.ActiveAccount.ID.ToString("B"));
Directory.CreateDirectory(subfolder);
targetFolder = subfolder;
}
var changed = SyncNotesToFolder(notes, targetFolder);
if (!changed)
{
LoggerSingleton.Inst.Info("LocalGitMirror", "Local git synchronisation was triggered but no changes were found");
return;
}
}
new Thread(() =>
{
var succ = CommitRepository(
nrepo.ConnectionName + " (" + nrepo.ConnectionUUID + ")",
nrepo.ProviderID,
config.GitMirrorPath,
config.GitMirrorFirstName,
config.GitMirrorLastName,
config.GitMirrorMailAddress,
config.GitMirrorDoPush);
if (succ && config.GitMirrorAutoGC > 0)
{
CollectGarbage(config.GitMirrorPath, config.GitMirrorAutoGC);
}
}).Start();
}
catch (Exception e)
{
LoggerSingleton.Inst.Error("LocalGitMirror", "Local git mirroring failed with exception:\n" + e.Message, e.ToString());
LoggerSingleton.Inst.ShowExceptionDialog("Local git mirror failed", e);
}
}