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Expose diff whitespace settings #2007

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Expose diff whitespace settings #2007

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25 changes: 25 additions & 0 deletions LibGit2Sharp/CompareOptions.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,25 @@

namespace LibGit2Sharp
{
/// <summary>
/// Represents a mode for handling whitespace while making diff.
/// </summary>
public enum DiffWhitespaceMode
{
/// <summary>
/// Ignore all whitespace
/// </summary>
IgnoreAllWhitespaces,
/// <summary>
/// Ignore changes in amount of whitespace
/// </summary>
IgnoreWhitespaceChange,
/// <summary>
/// Ignore whitespace at end of line
/// </summary>
IgnoreWhitespaceEol
}

/// <summary>
/// Options to define file comparison behavior.
/// </summary>
Expand Down Expand Up @@ -34,6 +53,12 @@ public CompareOptions()
/// </summary>
public SimilarityOptions Similarity { get; set; }

/// <summary>
/// Represents a mode for handling whitespace while making diff.
/// By default is null - it means no extra flag is passed
/// </summary>
public DiffWhitespaceMode? WhitespaceMode { get; set; }

/// <summary>
/// Include "unmodified" entries in the results.
/// </summary>
Expand Down
18 changes: 17 additions & 1 deletion LibGit2Sharp/Diff.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,22 @@ private static GitDiffOptions BuildOptions(DiffModifiers diffOptions, FilePath[]
options.Flags |= GitDiffOptionFlags.GIT_DIFF_MINIMAL;
}

if (compareOptions.WhitespaceMode != null)
{
if (compareOptions.WhitespaceMode == DiffWhitespaceMode.IgnoreAllWhitespaces)
{
options.Flags |= GitDiffOptionFlags.GIT_DIFF_IGNORE_WHITESPACE;
}
else if (compareOptions.WhitespaceMode == DiffWhitespaceMode.IgnoreWhitespaceChange)
{
options.Flags |= GitDiffOptionFlags.GIT_DIFF_IGNORE_WHITESPACE_CHANGE;
}
else
{
options.Flags |= GitDiffOptionFlags.GIT_DIFF_IGNORE_WHITESPACE_EOL;
}
}
Comment on lines +61 to +75
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Just a thought:

Suggested change
if (compareOptions.WhitespaceMode != null)
{
if (compareOptions.WhitespaceMode == DiffWhitespaceMode.IgnoreAllWhitespaces)
{
options.Flags |= GitDiffOptionFlags.GIT_DIFF_IGNORE_WHITESPACE;
}
else if (compareOptions.WhitespaceMode == DiffWhitespaceMode.IgnoreWhitespaceChange)
{
options.Flags |= GitDiffOptionFlags.GIT_DIFF_IGNORE_WHITESPACE_CHANGE;
}
else
{
options.Flags |= GitDiffOptionFlags.GIT_DIFF_IGNORE_WHITESPACE_EOL;
}
}
if (compareOptions.WhitespaceMode == DiffWhitespaceMode.IgnoreAllWhitespaces)
{
options.Flags |= GitDiffOptionFlags.GIT_DIFF_IGNORE_WHITESPACE;
}
else if (compareOptions.WhitespaceMode == DiffWhitespaceMode.IgnoreWhitespaceChange)
{
options.Flags |= GitDiffOptionFlags.GIT_DIFF_IGNORE_WHITESPACE_CHANGE;
}
else if (compareOptions.WhitespaceMode == DiffWhitespaceMode.IgnoreWhitespaceEol)
{
options.Flags |= GitDiffOptionFlags.GIT_DIFF_IGNORE_WHITESPACE_EOL;
}


if (diffOptions.HasFlag(DiffModifiers.DisablePathspecMatch))
{
options.Flags |= GitDiffOptionFlags.GIT_DIFF_DISABLE_PATHSPEC_MATCH;
Expand Down Expand Up @@ -546,7 +562,7 @@ private static TreeComparisonHandleRetriever IndexToTree(Repository repo)

MatchedPathsAggregator matchedPaths = null;

// We can't match paths unless we've got something to match
// We can't match paths unless we've got something to match
// against and we're told to do so.
if (filePaths != null && explicitPathsOptions != null)
{
Expand Down