private void LoadFileHistory()
{
FileChanges.Visible = true;
if (string.IsNullOrEmpty(FileName))
{
return;
}
_asyncLoader.LoadAsync(
() => BuildFilter(),
filter =>
{
FileChanges.SetFilters(filter);
FileChanges.Load();
});
return;
(string revision, string path) BuildFilter()
{
var fileName = FileName;
// 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 = _fullPathResolver.Resolve(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).ToPosixPath();
}
if (fileName.StartsWith(Module.WorkingDir, StringComparison.InvariantCultureIgnoreCase))
{
fileName = fileName.Substring(Module.WorkingDir.Length);
}
FileName = fileName;
var res = (revision : (string)null, path : $" \"{fileName}\"");
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)
//
// But we can take a more complicated path to get reasonable results:
// 1. use git log --follow to get all previous filenames of the file we are interested in
// 2. use git log "list of files names" to get the history graph
//
// note: This implementation is quite a quick hack (by someone who does not speak C# fluently).
//
var args = new GitArgumentBuilder("log")
{
"--format=\"%n\"",
"--name-only",
"--format",
GitCommandHelpers.FindRenamesAndCopiesOpts(),
"--",
fileName.Quote()
};
var listOfFileNames = new StringBuilder(fileName.Quote());
// keep a set of the file names already seen
var setOfFileNames = new HashSet <string> {
fileName
};
var lines = Module.GetGitOutputLines(args, GitModule.LosslessEncoding);
foreach (var line in lines.Select(GitModule.ReEncodeFileNameFromLossless))
{
if (!string.IsNullOrEmpty(line) && setOfFileNames.Add(line))
{
listOfFileNames.Append(" \"");
listOfFileNames.Append(line);
listOfFileNames.Append('\"');
}
}
// here we need --name-only to get the previous filenames in the revision graph
res.path = listOfFileNames.ToString();
res.revision += " --name-only --parents" + GitCommandHelpers.FindRenamesAndCopiesOpts();
}
else if (AppSettings.FollowRenamesInFileHistory)
{
// history of a directory
// --parents doesn't work with --follow enabled, but needed to graph a filtered log
res.revision = " " + GitCommandHelpers.FindRenamesOpt() + " --follow --parents";
}
else
{
// rename following disabled
res.revision = " --parents";
}
if (AppSettings.FullHistoryInFileHistory)
{
res.revision = string.Concat(" --full-history --simplify-merges ", res.revision);
}
return(res);
}
}
private void LoadFileHistory()
{
FileChanges.Visible = true;
if (string.IsNullOrEmpty(FileName))
{
return;
}
_asyncLoader.LoadAsync(
() => BuildFilter(),
filter =>
{
FileChanges.SetFilters(filter);
FileChanges.Load();
});
return;
(string revision, string path) BuildFilter()
{
var fileName = FileName;
// 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();
var res = (revision : (string)null, path : $" \"{fileName}\"");
var fullFilePath = _fullPathResolver.Resolve(fileName);
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)
//
// But we can take a more complicated path to get reasonable results:
// 1. use git log --follow to get all previous filenames of the file we are interested in
// 2. use git log "list of files names" to get the history graph
//
// note: This implementation is quite a quick hack (by someone who does not speak C# fluently).
//
var args = new GitArgumentBuilder("log")
{
"--format=\"%n\"",
"--name-only",
"--follow",
GitCommandHelpers.FindRenamesAndCopiesOpts(),
"--",
fileName.Quote()
};
var listOfFileNames = new StringBuilder(fileName.Quote());
// keep a set of the file names already seen
var setOfFileNames = new HashSet <string> {
fileName
};
var lines = Module.GitExecutable.GetOutputLines(args, outputEncoding: GitModule.LosslessEncoding);
foreach (var line in lines.Select(GitModule.ReEncodeFileNameFromLossless))
{
if (!string.IsNullOrEmpty(line) && setOfFileNames.Add(line))
{
listOfFileNames.Append(" \"");
listOfFileNames.Append(line);
listOfFileNames.Append('\"');
}
}
// here we need --name-only to get the previous filenames in the revision graph
res.path = listOfFileNames.ToString();
res.revision += " --name-only --parents" + GitCommandHelpers.FindRenamesAndCopiesOpts();
}
else if (AppSettings.FollowRenamesInFileHistory)
{
// history of a directory
// --parents doesn't work with --follow enabled, but needed to graph a filtered log
res.revision = " " + GitCommandHelpers.FindRenamesOpt() + " --follow --parents";
}
else
{
// rename following disabled
res.revision = " --parents";
}
if (AppSettings.FullHistoryInFileHistory)
{
res.revision = string.Concat(" --full-history ", AppSettings.SimplifyMergesInFileHistory ? "--simplify-merges " : string.Empty, res.revision);
}
return(res);
}
}
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 = _fullPathResolver.Resolve(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();
res.PathFilter = " \"" + fileName + "\"";
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)
//
// But we can take a more complicated path to get reasonable results:
// 1. use git log --follow to get all previous filenames of the file we are interested in
// 2. use git log "list of files names" to get the history graph
//
// note: This implementation is quite a quick hack (by someone who does not speak C# fluently).
//
string arg = "log --format=\"%n\" --name-only --follow " +
GitCommandHelpers.FindRenamesAndCopiesOpts()
+ " -- \"" + fileName + "\"";
Process p = Module.RunGitCmdDetached(arg, GitModule.LosslessEncoding);
// the sequence of (quoted) file names - start with the initial filename for the search.
var listOfFileNames = new StringBuilder("\"" + fileName + "\"");
// keep a set of the file names already seen
var setOfFileNames = new HashSet <string> {
fileName
};
string line;
do
{
line = p.StandardOutput.ReadLine();
line = GitModule.ReEncodeFileNameFromLossless(line);
if (!string.IsNullOrEmpty(line) && setOfFileNames.Add(line))
{
listOfFileNames.Append(" \"");
listOfFileNames.Append(line);
listOfFileNames.Append('\"');
}
} while (line != null);
// here we need --name-only to get the previous filenames in the revision graph
res.PathFilter = listOfFileNames.ToString();
res.RevisionFilter += " --name-only --parents" + GitCommandHelpers.FindRenamesAndCopiesOpts();
}
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 --simplify-merges ", res.RevisionFilter);
}
return(res);
}
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);
}
