1 files changed, 0 insertions, 187 deletions
diff --git a/pkg/commands/patch/patch_modifier.go b/pkg/commands/patch/patch_modifier.go
deleted file mode 100644
index 79f7b7d31..000000000
--- a/pkg/commands/patch/patch_modifier.go
+++ /dev/null
@@ -1,187 +0,0 @@
-package patch
-
-import (
-	"fmt"
-	"regexp"
-	"strings"
-
-	"github.com/sirupsen/logrus"
-)
-
-var (
-	hunkHeaderRegexp  = regexp.MustCompile(`(?m)^@@ -(\d+)[^\+]+\+(\d+)[^@]+@@(.*)$`)
-	patchHeaderRegexp = regexp.MustCompile(`(?ms)(^diff.*?)^@@`)
-)
-
-type PatchOptions struct {
-	// Create a patch that will applied in reverse with `git apply --reverse`.
-	// This affects how unselected lines are treated when only parts of a hunk
-	// are selected: usually, for unselected lines we change '-' lines to
-	// context lines and remove '+' lines, but when Reverse is true we need to
-	// turn '+' lines into context lines and remove '-' lines.
-	Reverse bool
-
-	// Whether to keep or discard the original diff header including the
-	// "index deadbeef..fa1afe1 100644" line.
-	KeepOriginalHeader bool
-}
-
-func GetHeaderFromDiff(diff string) string {
-	match := patchHeaderRegexp.FindStringSubmatch(diff)
-	if len(match) <= 1 {
-		return ""
-	}
-	return match[1]
-}
-
-func GetHunksFromDiff(diff string) []*PatchHunk {
-	hunks := []*PatchHunk{}
-	firstLineIdx := -1
-	var hunkLines []string //nolint:prealloc
-	pastDiffHeader := false
-
-	lines := strings.SplitAfter(diff, "\n")
-
-	for lineIdx, line := range lines {
-		isHunkHeader := strings.HasPrefix(line, "@@ -")
-
-		if isHunkHeader {
-			if pastDiffHeader { // we need to persist the current hunk
-				hunks = append(hunks, newHunk(hunkLines, firstLineIdx))
-			}
-			pastDiffHeader = true
-			firstLineIdx = lineIdx
-			hunkLines = []string{line}
-			continue
-		}
-
-		if !pastDiffHeader { // skip through the stuff that precedes the first hunk
-			continue
-		}
-
-		if lineIdx == len(lines)-1 && line == "" { // skip the trailing newline
-			continue
-		}
-
-		hunkLines = append(hunkLines, line)
-	}
-
-	if pastDiffHeader {
-		hunks = append(hunks, newHunk(hunkLines, firstLineIdx))
-	}
-
-	return hunks
-}
-
-type PatchModifier struct {
-	Log      *logrus.Entry
-	filename string
-	hunks    []*PatchHunk
-	header   string
-}
-
-func NewPatchModifier(log *logrus.Entry, filename string, diffText string) *PatchModifier {
-	return &PatchModifier{
-		Log:      log,
-		filename: filename,
-		hunks:    GetHunksFromDiff(diffText),
-		header:   GetHeaderFromDiff(diffText),
-	}
-}
-
-func (d *PatchModifier) ModifiedPatchForLines(lineIndices []int, opts PatchOptions) string {
-	// step one is getting only those hunks which we care about
-	hunksInRange := []*PatchHunk{}
-outer:
-	for _, hunk := range d.hunks {
-		// if there is any line in our lineIndices array that the hunk contains, we append it
-		for _, lineIdx := range lineIndices {
-			if lineIdx >= hunk.FirstLineIdx && lineIdx <= hunk.LastLineIdx() {
-				hunksInRange = append(hunksInRange, hunk)
-				continue outer
-			}
-		}
-	}
-
-	// step 2 is collecting all the hunks with new headers
-	startOffset := 0
-	formattedHunks := ""
-	var formattedHunk string
-	for _, hunk := range hunksInRange {
-		startOffset, formattedHunk = hunk.formatWithChanges(
-			lineIndices, opts.Reverse, startOffset)
-		formattedHunks += formattedHunk
-	}
-
-	if formattedHunks == "" {
-		return ""
-	}
-
-	var fileHeader string
-	// for staging/unstaging lines we don't want the original header because
-	// it makes git confused e.g. when dealing with deleted/added files
-	// but with building and applying patches the original header gives git
-	// information it needs to cleanly apply patches
-	if opts.KeepOriginalHeader {
-		fileHeader = d.header
-	} else {
-		fileHeader = fmt.Sprintf("--- a/%s\n+++ b/%s\n", d.filename, d.filename)
-	}
-
-	return fileHeader + formattedHunks
-}
-
-func (d *PatchModifier) ModifiedPatchForRange(firstLineIdx int, lastLineIdx int, opts PatchOptions) string {
-	// generate array of consecutive line indices from our range
-	selectedLines := []int{}
-	for i := firstLineIdx; i <= lastLineIdx; i++ {
-		selectedLines = append(selectedLines, i)
-	}
-	return d.ModifiedPatchForLines(selectedLines, opts)
-}
-
-func (d *PatchModifier) OriginalPatchLength() int {
-	if len(d.hunks) == 0 {
-		return 0
-	}
-
-	return d.hunks[len(d.hunks)-1].LastLineIdx()
-}
-
-func ModifiedPatchForRange(log *logrus.Entry, filename string, diffText string, firstLineIdx int, lastLineIdx int, opts PatchOptions) string {
-	p := NewPatchModifier(log, filename, diffText)
-	return p.ModifiedPatchForRange(firstLineIdx, lastLineIdx, opts)
-}
-
-func ModifiedPatchForLines(log *logrus.Entry, filename string, diffText string, includedLineIndices []int, opts PatchOptions) string {
-	p := NewPatchModifier(log, filename, diffText)
-	return p.ModifiedPatchForLines(includedLineIndices, opts)
-}
-
-// I want to know, given a hunk, what line a given index is on
-func (hunk *PatchHunk) LineNumberOfLine(idx int) int {
-	n := idx - hunk.FirstLineIdx - 1
-	if n < 0 {
-		n = 0
-	} else if n >= len(hunk.bodyLines) {
-		n = len(hunk.bodyLines) - 1
-	}
-
-	lines := hunk.bodyLines[0:n]
-
-	offset := nLinesWithPrefix(lines, []string{"+", " "})
-
-	return hunk.newStart + offset
-}
-
-func nLinesWithPrefix(lines []string, chars []string) int {
-	result := 0
-	for _, line := range lines {
-		for _, char := range chars {
-			if line[:1] == char {
-				result++
-			}
-		}
-	}
-	return result
-}