/// <summary>
/// Parse git-status --porcelain=1 and git-diff --name-status
/// Outputs are similar, except that git-status has status for both worktree and index
/// </summary>
/// <param name="getAllChangedFilesCommandOutput">An output of <see cref="GitCommandHelpers.GetAllChangedFilesCmd"/> command.</param>
/// <param name="fromDiff">Parse git-diff</param>
/// <param name="staged">The staged status <see cref="GitItemStatus"/>, only relevant for git-diff (parsed for git-status)</param>
/// <returns>list with the git items</returns>
internal List <GitItemStatus> GetAllChangedFilesFromString_v1(string getAllChangedFilesCommandOutput, bool fromDiff, StagedStatus staged)
{
var diffFiles = new List <GitItemStatus>();
if (string.IsNullOrEmpty(getAllChangedFilesCommandOutput))
{
return(diffFiles);
}
string trimmedStatus = RemoveWarnings(getAllChangedFilesCommandOutput);
// Doesn't work with removed submodules
var submodules = GetModule().GetSubmodulesLocalPaths();
// Split all files on '\0' (WE NEED ALL COMMANDS TO BE RUN WITH -z! THIS IS ALSO IMPORTANT FOR ENCODING ISSUES!)
var files = trimmedStatus.Split(new[] { '\0' }, StringSplitOptions.RemoveEmptyEntries);
for (int n = 0; n < files.Length; n++)
{
if (string.IsNullOrEmpty(files[n]))
{
continue;
}
int splitIndex;
if (fromDiff)
{
splitIndex = -1;
}
else
{
// Note that this fails for files with spaces (git-status --porcelain=1 is deprecated)
var splitChars = new[] { '\t', ' ' };
splitIndex = files[n].IndexOfAny(splitChars, 1);
}
string status;
string fileName;
if (splitIndex < 0)
{
if (n >= files.Length - 1)
{
// Illegal, ignore
continue;
}
status = files[n];
fileName = files[n + 1];
n++;
}
else
{
status = files[n].Substring(0, splitIndex);
fileName = files[n].Substring(splitIndex);
}
char x = status[0];
char y = status.Length > 1 ? status[1] : ' ';
if (fromDiff && staged == StagedStatus.WorkTree && x == 'U')
{
// git-diff has two lines to inform that a file is modified and has a merge conflict
continue;
}
if (x != '?' && x != '!' && x != ' ')
{
GitItemStatus gitItemStatusX;
var stagedX = fromDiff ? staged : StagedStatus.Index;
if (x == 'R' || x == 'C')
{
// Find renamed files...
string nextFile = n + 1 < files.Length ? files[n + 1] : "";
gitItemStatusX = GitItemStatusFromCopyRename(stagedX, fromDiff, nextFile, fileName, x, status);
n++;
}
else
{
gitItemStatusX = GitItemStatusConverter.FromStatusCharacter(stagedX, fileName, x);
}
if (submodules.Contains(gitItemStatusX.Name))
{
gitItemStatusX.IsSubmodule = true;
}
diffFiles.Add(gitItemStatusX);
}
if (fromDiff || y == ' ')
{
continue;
}
GitItemStatus gitItemStatusY;
var stagedY = StagedStatus.WorkTree;
if (y == 'R' || y == 'C')
{
// Find renamed files...
string nextFile = n + 1 < files.Length ? files[n + 1] : "";
gitItemStatusY = GitItemStatusFromCopyRename(stagedY, false, nextFile, fileName, y, status);
n++;
}
else
{
gitItemStatusY = GitItemStatusConverter.FromStatusCharacter(stagedY, fileName, y);
}
if (submodules.Contains(gitItemStatusY.Name))
{
gitItemStatusY.IsSubmodule = true;
}
diffFiles.Add(gitItemStatusY);
}
return(diffFiles);
}
/// <summary>
/// Parse the output from git-status --porcelain=2
/// </summary>
/// <param name="getAllChangedFilesCommandOutput">output from the git command</param>
/// <returns>list with the parsed GitItemStatus</returns>
private static IReadOnlyList <GitItemStatus> GetAllChangedFilesFromString_v2(string getAllChangedFilesCommandOutput)
{
var diffFiles = new List <GitItemStatus>();
if (string.IsNullOrEmpty(getAllChangedFilesCommandOutput))
{
return(diffFiles);
}
string trimmedStatus = RemoveWarnings(getAllChangedFilesCommandOutput);
// Split all files on '\0'
var files = trimmedStatus.Split(new[] { '\0' }, StringSplitOptions.RemoveEmptyEntries);
for (int n = 0; n < files.Length; n++)
{
string line = files[n];
char entryType = line[0];
if (entryType == '?' || entryType == '!')
{
Debug.Assert(line.Length > 2 && line[1] == ' ', "Cannot parse for untracked:" + line);
string fileName = line.Substring(2);
UpdateItemStatus(entryType, false, "N...", fileName, null, null);
}
else if (entryType == '1' || entryType == '2' || entryType == 'u')
{
// Parse from git-status documentation, assuming SHA-1 is used
// Ignore octal and treeGuid
// 1 XY subm <mH> <mI> <mW> <hH> <hI> <path>
// renamed:
// 2 XY subm <mH> <mI> <mW> <hH> <hI> <X><score> <path><sep><origPath>
// worktree (merge conflicts)
// u XY subm <m1> <m2> <m3> <mW> <h1> <h2> <h3> <path>
char x = line[2];
char y = line[3];
string fileName;
string oldFileName = null;
string renamePercent = null;
string subm = line.Substring(5, 4);
if (entryType == '1')
{
Debug.Assert(line.Length > 113 && line[1] == ' ', "Cannot parse line:" + line);
fileName = line.Substring(113);
}
else if (entryType == '2')
{
Debug.Assert(line.Length > 2 && n + 1 < files.Length, "Cannot parse renamed:" + line);
// Find renamed files...
string[] renames = line.Substring(114).Split(new[] { ' ' }, 2);
renamePercent = renames[0];
fileName = renames[1];
oldFileName = files[++n];
}
else if (entryType == 'u')
{
Debug.Assert(line.Length > 161, "Cannot parse unmerged:" + line);
fileName = line.Substring(161);
}
else
{
// illegal
continue;
}
UpdateItemStatus(x, true, subm, fileName, oldFileName, renamePercent);
UpdateItemStatus(y, false, subm, fileName, oldFileName, renamePercent);
}
}
return(diffFiles);
void UpdateItemStatus(char x, bool isIndex, string subm, string fileName, string oldFileName, string renamePercent)
{
if (x == '.')
{
return;
}
var staged = isIndex ? StagedStatus.Index : StagedStatus.WorkTree;
GitItemStatus gitItemStatus = GitItemStatusConverter.FromStatusCharacter(staged, fileName, x);
if (oldFileName != null)
{
gitItemStatus.OldName = oldFileName;
}
if (renamePercent != null)
{
gitItemStatus.RenameCopyPercentage = renamePercent;
}
if (subm[0] == 'S')
{
gitItemStatus.IsSubmodule = true;
if (!isIndex)
{
// Slight modification on how the following flags are used
// Changed commit
gitItemStatus.IsChanged = subm[1] == 'C';
gitItemStatus.IsDirty = subm[2] == 'M' || subm[3] == 'U';
}
}
diffFiles.Add(gitItemStatus);
}
}
