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Fix diff implementation to generate patches

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This commit is contained in:
Tobie Morgan Hitchcock 2019-01-30 11:44:01 +00:00
parent 58470b930e
commit 4d233de449
2 changed files with 7 additions and 7 deletions
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10
util/diff/diff.go
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@ -239,9 +239,9 @@ func (o *operations) patch(old map[string]interface{}) (now map[string]interface
case "change":
if txt, ok := obj.Get(path...).Data().(string); ok {
dmp := diffmatchpatch.New()
if dif, err := dmp.DiffFromDelta(txt, v.value.(string)); err == nil {
str := dmp.DiffText2(dif)
obj.Set(str, path...)
if pch, err := dmp.PatchFromText(v.value.(string)); err == nil {
txt, _ := dmp.PatchApply(pch, txt)
obj.Set(txt, path...)
}
}
}
@ -256,9 +256,9 @@ func (o *operations) text(old, now string, path string) {
dmp := diffmatchpatch.New()
dif := dmp.DiffMain(old, now, false)
pch := dmp.PatchMake(old, now)
txt := dmp.DiffToDelta(dif)
txt := dmp.PatchToText(pch)
o.op("change", "", path, old, txt)

4
util/diff/diff_test.go
View file

@ -109,12 +109,12 @@ var chg = []interface{}{
map[string]interface{}{
"op": "change",
"path": "/name/first",
"value": "=1\t+obie",
"value": "@@ -1 +1,5 @@\n T\n+obie\n",
},
map[string]interface{}{
"op": "change",
"path": "/name/last",
"value": "=1\t+organ\t=2\t+itchcock",
"value": "@@ -1,3 +1,16 @@\n M\n- H\n+organ Hitchcock\n",
},
}