private FixedFilterTuple BuildFilter(string fileName)
{
if (string.IsNullOrEmpty(fileName))
return null;
//Replace windows path separator to Linux path separator.
//This is needed to keep the file history working when started from file tree in
//browse dialog.
fileName = fileName.ToPosixPath();
// we will need this later to look up proper casing for the file
var fullFilePath = Path.Combine(Module.WorkingDir, fileName);
//The section below contains native windows (kernel32) calls
//and breaks on Linux. Only use it on Windows. Casing is only
//a Windows problem anyway.
if (EnvUtils.RunningOnWindows() && File.Exists(fullFilePath))
{
// grab the 8.3 file path
var shortPath = new StringBuilder(4096);
NativeMethods.GetShortPathName(fullFilePath, shortPath, shortPath.Capacity);
// use 8.3 file path to get properly cased full file path
var longPath = new StringBuilder(4096);
NativeMethods.GetLongPathName(shortPath.ToString(), longPath, longPath.Capacity);
// remove the working directory and now we have a properly cased file name.
fileName = longPath.ToString().Substring(Module.WorkingDir.Length);
}
if (fileName.StartsWith(Module.WorkingDir, StringComparison.InvariantCultureIgnoreCase))
fileName = fileName.Substring(Module.WorkingDir.Length);
FileName = fileName;
FixedFilterTuple res = new FixedFilterTuple();
if (AppSettings.FollowRenamesInFileHistory && !Directory.Exists(fullFilePath))
{
// git log --follow is not working as expected (see http://kerneltrap.org/mailarchive/git/2009/1/30/4856404/thread)
FollowParentRewriter hrw = new FollowParentRewriter(fileName, delegate(string arg){
Process p = Module.RunGitCmdDetached(arg);
return p.StandardOutput;
});
// here we need --name-only to get the previous filenames in the revision graph
if (hrw.RewriteNecessary)
{
res.Rewriter = hrw;
res.RevisionFilter = " " + GitCommandHelpers.FindRenamesAndCopiesOpts() + " --name-only --follow";
}
else
{
res.RevisionFilter = " " + GitCommandHelpers.FindRenamesAndCopiesOpts() + " --name-only --parents";
}
}
else if (AppSettings.FollowRenamesInFileHistory)
{
// history of a directory
// --parents doesn't work with --follow enabled, but needed to graph a filtered log
res.RevisionFilter = " " + GitCommandHelpers.FindRenamesOpt() + " --follow --parents";
}
else
{
// rename following disabled
res.RevisionFilter = " --parents";
}
if (AppSettings.FullHistoryInFileHistory)
{
res.RevisionFilter = string.Concat(" --full-history ", res.RevisionFilter);
}
res.PathFilter = " \"" + fileName + "\"";
return res;
}
private void CheckFlush(FollowParentRewriter rw, bool flushAll, GitRevision[] expected)
{
GitRevisionExpectation x = new GitRevisionExpectation(expected);
rw.Flush(flushAll, x.ProcessRevision);
x.CheckCalledEnoughTimes();
}
public void RewriterTestCompleteGraph()
{
string dataFollow =
"dd/aa.txt\n"+
"\n"+
"dd/aa.txt\n"+
"\n"+
"dd/aa.txt\n"+
"\n"+
"aa.txt\n"+
"\n"+
"aa.txt\n"+
"\n"+
"aa.txt\n"+
"\n"+
"aa.txt\n"+
"\n"+
"aa.txt\n";
string dataGraph =
"bef6694d0b1a58243d817cc3e915952f53269b40 5632365bb31f2da1aae700f47e1a50951754f9ff\n" +
"5632365bb31f2da1aae700f47e1a50951754f9ff 9eea2112f54967a17ae0f02fb096a4bc41200846 5744afa2ee91a44eb4393220b19aa99a66459a3f\n" +
"9eea2112f54967a17ae0f02fb096a4bc41200846 2cfff1e08548361ca16c3c05bb4407dc3a190ff7\n" +
"2cfff1e08548361ca16c3c05bb4407dc3a190ff7 5744afa2ee91a44eb4393220b19aa99a66459a3f\n" +
"5744afa2ee91a44eb4393220b19aa99a66459a3f e12f41482b55a19a8cf27ba243855f382c277cbb\n" +
"e12f41482b55a19a8cf27ba243855f382c277cbb 02612100c26a72840edbcd971dd3310b6e3f499e\n" +
"02612100c26a72840edbcd971dd3310b6e3f499e\n";
FollowParentRewriter rw = new FollowParentRewriter("dd/aa.txt", StaticReader(dataFollow, dataGraph));
rw.RewriteNecessary.Should().BeTrue();
rw.PushRevision(null);
// 02_e1_57_2c_9e_56_be
// \_____/
CheckFlush(rw, false, new GitRevision[] { null });
//
rw.PushRevision(MkGitRevision("bef6694d0b1a58243d817cc3e915952f53269b40", "5632365bb31f2da1aae700f47e1a50951754f9ff"));
CheckFlush(rw, false, new GitRevision[] { });
//
rw.PushRevision(MkGitRevision("5632365bb31f2da1aae700f47e1a50951754f9ff", "9eea2112f54967a17ae0f02fb096a4bc41200846", "5744afa2ee91a44eb4393220b19aa99a66459a3f"));
CheckFlush(rw, false, new GitRevision[] { MkGitRevision("bef6694d0b1a58243d817cc3e915952f53269b40", "5632365bb31f2da1aae700f47e1a50951754f9ff") });
//
rw.PushRevision(MkGitRevision("9eea2112f54967a17ae0f02fb096a4bc41200846", "2cfff1e08548361ca16c3c05bb4407dc3a190ff7"));
CheckFlush(rw, false, new GitRevision[] { });
rw.PushRevision(MkGitRevision("2cfff1e08548361ca16c3c05bb4407dc3a190ff7", "5744afa2ee91a44eb4393220b19aa99a66459a3f"));
CheckFlush(rw, false, new GitRevision[] { });
//
rw.PushRevision(MkGitRevision("5744afa2ee91a44eb4393220b19aa99a66459a3f", "e12f41482b55a19a8cf27ba243855f382c277cbb"));
CheckFlush(rw, false, new GitRevision[] {
MkGitRevision("5632365bb31f2da1aae700f47e1a50951754f9ff", "9eea2112f54967a17ae0f02fb096a4bc41200846", "5744afa2ee91a44eb4393220b19aa99a66459a3f"),
MkGitRevision("9eea2112f54967a17ae0f02fb096a4bc41200846", "2cfff1e08548361ca16c3c05bb4407dc3a190ff7"),
MkGitRevision("2cfff1e08548361ca16c3c05bb4407dc3a190ff7", "5744afa2ee91a44eb4393220b19aa99a66459a3f")
});
//
rw.PushRevision(MkGitRevision("e12f41482b55a19a8cf27ba243855f382c277cbb", "02612100c26a72840edbcd971dd3310b6e3f499e"));
CheckFlush(rw, false, new GitRevision[] {
MkGitRevision("5744afa2ee91a44eb4393220b19aa99a66459a3f", "e12f41482b55a19a8cf27ba243855f382c277cbb")
});
//
CheckFlush(rw, true, new GitRevision[] {
MkGitRevision("e12f41482b55a19a8cf27ba243855f382c277cbb", "02612100c26a72840edbcd971dd3310b6e3f499e")
});
}
public void RewriterTestSingleFileName()
{
string dataFollow =
"dd/aa.txt\n" +
"\n";
string dataGraph = null;
FollowParentRewriter rw = new FollowParentRewriter("dd/aa.txt", StaticReader(dataFollow, dataGraph));
rw.RewriteNecessary.Should().BeFalse();
}