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repo git: we only need to determine CurrentRevision once per session.

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This commit is contained in:
Hylke Bons 2011-11-13 00:39:29 +00:00
parent 1100fa205b
commit 07b727bb72
1 changed files with 19 additions and 13 deletions
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32
SparkleLib/Git/SparkleRepoGit.cs
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@ -30,25 +30,31 @@ namespace SparkleLib {
base (path, backend) { }
private string identifier = null;
public override string Identifier {
get {
if (string.IsNullOrEmpty (this.identifier)) {
// Because git computes a hash based on content,
// author, and timestamp; it is unique enough to
// use the hash of the first commit as an identifier
// for our folder
SparkleGit git = new SparkleGit (LocalPath, "rev-list --reverse HEAD");
git.Start ();
// Because git computes a hash based on content,
// author, and timestamp; it is unique enough to
// use the hash of the first commit as an identifier
// for our folder
SparkleGit git = new SparkleGit (LocalPath, "rev-list --reverse HEAD");
git.Start ();
// Reading the standard output HAS to go before
// WaitForExit, or it will hang forever on output > 4096 bytes
string output = git.StandardOutput.ReadToEnd ();
git.WaitForExit ();
// Reading the standard output HAS to go before
// WaitForExit, or it will hang forever on output > 4096 bytes
string output = git.StandardOutput.ReadToEnd ();
git.WaitForExit ();
if (output.Length < 40)
return null;
if (output.Length < 40)
return null;
return output.Substring (0, 40);
this.identifier = output.Substring (0, 40);
}
return this.identifier;
}
}