func runDiff(args []string) int {
db1, value1, err := spec.GetPath(args[0])
d.CheckErrorNoUsage(err)
if value1 == nil {
d.CheckErrorNoUsage(fmt.Errorf("Object not found: %s", args[0]))
}
defer db1.Close()
db2, value2, err := spec.GetPath(args[1])
d.CheckErrorNoUsage(err)
if value2 == nil {
d.CheckErrorNoUsage(fmt.Errorf("Object not found: %s", args[1]))
}
defer db2.Close()
if summarize {
diff.Summary(value1, value2)
return 0
}
pgr := outputpager.Start()
defer pgr.Stop()
diff.Diff(pgr.Writer, value1, value2)
return 0
}
func writeDiffLines(node LogNode, db datas.Database, maxLines, lineno int, w io.Writer) (lineCnt int, err error) {
mlw := &maxLineWriter{numLines: lineno, maxLines: maxLines, node: node, dest: w, needsPrefix: true, showGraph: showGraph}
parents := node.commit.Get(datas.ParentsField).(types.Set)
var parent types.Value = nil
if parents.Len() > 0 {
parent = parents.First()
}
if parent == nil {
_, err = fmt.Fprint(mlw, "\n")
return 1, err
}
parentCommit := parent.(types.Ref).TargetValue(db).(types.Struct)
err = diff.Diff(mlw, parentCommit.Get(datas.ValueField), node.commit.Get(datas.ValueField))
d.PanicIfNotType(err, MaxLinesErr)
if err != nil {
mlw.forceWrite([]byte("...\n"))
mlw.numLines++
err = nil
}
if !node.lastCommit {
mlw.forceWrite([]byte("\n"))
}
return mlw.numLines, err
}
