From 961c04cae992eadb42d286d2f85f8a675bdc68c8 Mon Sep 17 00:00:00 2001 From: Christopher Speller Date: Mon, 29 Jan 2018 14:17:40 -0800 Subject: Upgrading server dependancies (#8154) --- .../pmezard/go-difflib/difflib/difflib.go | 54 ++++++++------ .../pmezard/go-difflib/difflib/difflib_test.go | 82 ++++++++++++++++++++-- 2 files changed, 112 insertions(+), 24 deletions(-) (limited to 'vendor/github.com/pmezard/go-difflib') diff --git a/vendor/github.com/pmezard/go-difflib/difflib/difflib.go b/vendor/github.com/pmezard/go-difflib/difflib/difflib.go index 64cc40fe1..003e99fad 100644 --- a/vendor/github.com/pmezard/go-difflib/difflib/difflib.go +++ b/vendor/github.com/pmezard/go-difflib/difflib/difflib.go @@ -559,10 +559,14 @@ type UnifiedDiff struct { func WriteUnifiedDiff(writer io.Writer, diff UnifiedDiff) error { buf := bufio.NewWriter(writer) defer buf.Flush() - w := func(format string, args ...interface{}) error { + wf := func(format string, args ...interface{}) error { _, err := buf.WriteString(fmt.Sprintf(format, args...)) return err } + ws := func(s string) error { + _, err := buf.WriteString(s) + return err + } if len(diff.Eol) == 0 { diff.Eol = "\n" @@ -581,26 +585,28 @@ func WriteUnifiedDiff(writer io.Writer, diff UnifiedDiff) error { if len(diff.ToDate) > 0 { toDate = "\t" + diff.ToDate } - err := w("--- %s%s%s", diff.FromFile, fromDate, diff.Eol) - if err != nil { - return err - } - err = w("+++ %s%s%s", diff.ToFile, toDate, diff.Eol) - if err != nil { - return err + if diff.FromFile != "" || diff.ToFile != "" { + err := wf("--- %s%s%s", diff.FromFile, fromDate, diff.Eol) + if err != nil { + return err + } + err = wf("+++ %s%s%s", diff.ToFile, toDate, diff.Eol) + if err != nil { + return err + } } } first, last := g[0], g[len(g)-1] range1 := formatRangeUnified(first.I1, last.I2) range2 := formatRangeUnified(first.J1, last.J2) - if err := w("@@ -%s +%s @@%s", range1, range2, diff.Eol); err != nil { + if err := wf("@@ -%s +%s @@%s", range1, range2, diff.Eol); err != nil { return err } for _, c := range g { i1, i2, j1, j2 := c.I1, c.I2, c.J1, c.J2 if c.Tag == 'e' { for _, line := range diff.A[i1:i2] { - if err := w(" " + line); err != nil { + if err := ws(" " + line); err != nil { return err } } @@ -608,14 +614,14 @@ func WriteUnifiedDiff(writer io.Writer, diff UnifiedDiff) error { } if c.Tag == 'r' || c.Tag == 'd' { for _, line := range diff.A[i1:i2] { - if err := w("-" + line); err != nil { + if err := ws("-" + line); err != nil { return err } } } if c.Tag == 'r' || c.Tag == 'i' { for _, line := range diff.B[j1:j2] { - if err := w("+" + line); err != nil { + if err := ws("+" + line); err != nil { return err } } @@ -669,12 +675,18 @@ func WriteContextDiff(writer io.Writer, diff ContextDiff) error { buf := bufio.NewWriter(writer) defer buf.Flush() var diffErr error - w := func(format string, args ...interface{}) { + wf := func(format string, args ...interface{}) { _, err := buf.WriteString(fmt.Sprintf(format, args...)) if diffErr == nil && err != nil { diffErr = err } } + ws := func(s string) { + _, err := buf.WriteString(s) + if diffErr == nil && err != nil { + diffErr = err + } + } if len(diff.Eol) == 0 { diff.Eol = "\n" @@ -700,15 +712,17 @@ func WriteContextDiff(writer io.Writer, diff ContextDiff) error { if len(diff.ToDate) > 0 { toDate = "\t" + diff.ToDate } - w("*** %s%s%s", diff.FromFile, fromDate, diff.Eol) - w("--- %s%s%s", diff.ToFile, toDate, diff.Eol) + if diff.FromFile != "" || diff.ToFile != "" { + wf("*** %s%s%s", diff.FromFile, fromDate, diff.Eol) + wf("--- %s%s%s", diff.ToFile, toDate, diff.Eol) + } } first, last := g[0], g[len(g)-1] - w("***************" + diff.Eol) + ws("***************" + diff.Eol) range1 := formatRangeContext(first.I1, last.I2) - w("*** %s ****%s", range1, diff.Eol) + wf("*** %s ****%s", range1, diff.Eol) for _, c := range g { if c.Tag == 'r' || c.Tag == 'd' { for _, cc := range g { @@ -716,7 +730,7 @@ func WriteContextDiff(writer io.Writer, diff ContextDiff) error { continue } for _, line := range diff.A[cc.I1:cc.I2] { - w(prefix[cc.Tag] + line) + ws(prefix[cc.Tag] + line) } } break @@ -724,7 +738,7 @@ func WriteContextDiff(writer io.Writer, diff ContextDiff) error { } range2 := formatRangeContext(first.J1, last.J2) - w("--- %s ----%s", range2, diff.Eol) + wf("--- %s ----%s", range2, diff.Eol) for _, c := range g { if c.Tag == 'r' || c.Tag == 'i' { for _, cc := range g { @@ -732,7 +746,7 @@ func WriteContextDiff(writer io.Writer, diff ContextDiff) error { continue } for _, line := range diff.B[cc.J1:cc.J2] { - w(prefix[cc.Tag] + line) + ws(prefix[cc.Tag] + line) } } break diff --git a/vendor/github.com/pmezard/go-difflib/difflib/difflib_test.go b/vendor/github.com/pmezard/go-difflib/difflib/difflib_test.go index 94670bea3..d72511962 100644 --- a/vendor/github.com/pmezard/go-difflib/difflib/difflib_test.go +++ b/vendor/github.com/pmezard/go-difflib/difflib/difflib_test.go @@ -102,11 +102,12 @@ group } } -func ExampleGetUnifiedDiffString() { +func ExampleGetUnifiedDiffCode() { a := `one two three -four` +four +fmt.Printf("%s,%T",a,b)` b := `zero one three @@ -121,16 +122,54 @@ four` Context: 3, } result, _ := GetUnifiedDiffString(diff) - fmt.Printf(strings.Replace(result, "\t", " ", -1)) + fmt.Println(strings.Replace(result, "\t", " ", -1)) // Output: // --- Original 2005-01-26 23:30:50 // +++ Current 2010-04-02 10:20:52 - // @@ -1,4 +1,4 @@ + // @@ -1,5 +1,4 @@ // +zero // one // -two // three // four + // -fmt.Printf("%s,%T",a,b) +} + +func ExampleGetContextDiffCode() { + a := `one +two +three +four +fmt.Printf("%s,%T",a,b)` + b := `zero +one +tree +four` + diff := ContextDiff{ + A: SplitLines(a), + B: SplitLines(b), + FromFile: "Original", + ToFile: "Current", + Context: 3, + Eol: "\n", + } + result, _ := GetContextDiffString(diff) + fmt.Print(strings.Replace(result, "\t", " ", -1)) + // Output: + // *** Original + // --- Current + // *************** + // *** 1,5 **** + // one + // ! two + // ! three + // four + // - fmt.Printf("%s,%T",a,b) + // --- 1,4 ---- + // + zero + // one + // ! tree + // four } func ExampleGetContextDiffString() { @@ -318,6 +357,41 @@ func TestOutputFormatNoTrailingTabOnEmptyFiledate(t *testing.T) { assertEqual(t, SplitLines(cd)[:2], []string{"*** Original\n", "--- Current\n"}) } +func TestOmitFilenames(t *testing.T) { + diff := UnifiedDiff{ + A: SplitLines("o\nn\ne\n"), + B: SplitLines("t\nw\no\n"), + Eol: "\n", + } + ud, err := GetUnifiedDiffString(diff) + assertEqual(t, err, nil) + assertEqual(t, SplitLines(ud), []string{ + "@@ -0,0 +1,2 @@\n", + "+t\n", + "+w\n", + "@@ -2,2 +3,0 @@\n", + "-n\n", + "-e\n", + "\n", + }) + + cd, err := GetContextDiffString(ContextDiff(diff)) + assertEqual(t, err, nil) + assertEqual(t, SplitLines(cd), []string{ + "***************\n", + "*** 0 ****\n", + "--- 1,2 ----\n", + "+ t\n", + "+ w\n", + "***************\n", + "*** 2,3 ****\n", + "- n\n", + "- e\n", + "--- 3 ----\n", + "\n", + }) +} + func TestSplitLines(t *testing.T) { allTests := []struct { input string -- cgit v1.2.3-1-g7c22