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fetcher: prepare for multibackend

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Hylke Bons 2011-05-08 18:25:33 +01:00
parent feb4debdd5
commit 825ea5b200
1 changed files with 42 additions and 31 deletions
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73
SparkleLib/SparkleFetcher.cs
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@ -18,14 +18,13 @@
using System; using System;
using System.IO; using System.IO;
using System.Diagnostics; using System.Diagnostics;
using System.Threading;
namespace SparkleLib { namespace SparkleLib {
// A helper class that fetches and configures // Sets up a fetcher that can get remote folders
// a remote repository
public class SparkleFetcher { public class SparkleFetcher {
// TODO: remove 'cloning' prefix
public delegate void StartedEventHandler (object o, SparkleEventArgs args); public delegate void StartedEventHandler (object o, SparkleEventArgs args);
public delegate void FinishedEventHandler (object o, SparkleEventArgs args); public delegate void FinishedEventHandler (object o, SparkleEventArgs args);
public delegate void FailedEventHandler (object o, SparkleEventArgs args); public delegate void FailedEventHandler (object o, SparkleEventArgs args);
@ -34,52 +33,64 @@ namespace SparkleLib {
public event FinishedEventHandler Finished; public event FinishedEventHandler Finished;
public event FailedEventHandler Failed; public event FailedEventHandler Failed;
private string TargetFolder; private string target_folder;
private string RemoteOriginUrl; private string remote_url;
public SparkleFetcher (string url, string folder) public SparkleFetcher (string remote_url, string target_folder)
{ {
TargetFolder = folder; this.target_folder = target_folder;
RemoteOriginUrl = url; this.remote_url = remote_url;
} }
// Clones the remote repository // Clones the remote repository
public void Start () public void Start ()
{ {
SparkleHelpers.DebugInfo ("Git", "[" + TargetFolder + "] Cloning Repository"); SparkleHelpers.DebugInfo ("Fetcher", "[" + this.target_folder + "] Fetching folder...");
if (Directory.Exists (TargetFolder))
Directory.Delete (TargetFolder, true);
if (Started != null) if (Started != null)
Started (this, new SparkleEventArgs ("Started")); Started (this, new SparkleEventArgs ("Started"));
SparkleGit git = new SparkleGit (SparklePaths.SparkleTmpPath, if (Directory.Exists (this.target_folder))
"clone \"" + RemoteOriginUrl + "\" " + "\"" + TargetFolder + "\""); Directory.Delete (this.target_folder, true);
git.Exited += delegate { Thread thread = new Thread (new ThreadStart (delegate {
SparkleHelpers.DebugInfo ("Git", "Exit code " + git.ExitCode.ToString ()); if (Fetch ()) {
SparkleHelpers.DebugInfo ("Fetcher", "[" + this.target_folder + "] Fetching finished");
if (git.ExitCode != 0) {
SparkleHelpers.DebugInfo ("Git", "[" + TargetFolder + "] Cloning failed");
if (Failed != null)
Failed (this, new SparkleEventArgs ("CloningFailed"));
} else {
InstallConfiguration ();
InstallExcludeRules ();
SparkleHelpers.DebugInfo ("Git", "[" + TargetFolder + "] Repository cloned");
if (Finished != null) if (Finished != null)
Finished (this, new SparkleEventArgs ("Finished")); Finished (this, new SparkleEventArgs ("Finished"));
} else {
SparkleHelpers.DebugInfo ("Fetcher", "[" + this.target_folder + "] Fetching failed");
if (Failed != null)
Failed (this, new SparkleEventArgs ("Failed"));
} }
}; }));
thread.Start ();
}
// TODO: abstract -> override
public virtual bool Fetch ()
{
SparkleGit git = new SparkleGit (SparklePaths.SparkleTmpPath,
"clone \"" + this.remote_url + "\" " + "\"" + this.target_folder + "\"");
git.Start (); git.Start ();
git.WaitForExit ();
SparkleHelpers.DebugInfo ("Git", "Exit code " + git.ExitCode.ToString ());
if (git.ExitCode != 0) {
return false;
} else {
InstallConfiguration ();
InstallExcludeRules ();
return true;
}
} }
@ -94,7 +105,7 @@ namespace SparkleLib {
string user_info = reader.ReadToEnd (); string user_info = reader.ReadToEnd ();
reader.Close (); reader.Close ();
string repo_config_file_path = SparkleHelpers.CombineMore (TargetFolder, ".git", "config"); string repo_config_file_path = SparkleHelpers.CombineMore (this.target_folder, ".git", "config");
string config = String.Join ("\n", File.ReadAllLines (repo_config_file_path)); string config = String.Join ("\n", File.ReadAllLines (repo_config_file_path));
// Be case sensitive explicitly to work on Mac // Be case sensitive explicitly to work on Mac
@ -119,7 +130,7 @@ namespace SparkleLib {
private void InstallExcludeRules () private void InstallExcludeRules ()
{ {
string exlude_rules_file_path = SparkleHelpers.CombineMore ( string exlude_rules_file_path = SparkleHelpers.CombineMore (
TargetFolder, ".git", "info", "exclude"); this.target_folder, ".git", "info", "exclude");
TextWriter writer = new StreamWriter (exlude_rules_file_path); TextWriter writer = new StreamWriter (exlude_rules_file_path);