abzcoding /
hget
| Total Lines | 52 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
| 1 | package main |
||
| 2 | |||
| 3 | import ( |
||
| 4 | "github.com/fatih/color" |
||
| 5 | "gopkg.in/cheggaaa/pb.v1" |
||
| 6 | "io" |
||
| 7 | "os" |
||
| 8 | "sort" |
||
| 9 | ) |
||
| 10 | |||
| 11 | // JoinFile joins seperate chunks of file and forms the final downloaded artifact |
||
| 12 | func JoinFile(files []string, out string) error { |
||
| 13 | //sort with file name or we will join files with wrong order |
||
| 14 | sort.Strings(files) |
||
| 15 | var bar *pb.ProgressBar |
||
| 16 | |||
| 17 | if DisplayProgressBar() { |
||
| 18 | Printf("Start joining \n") |
||
| 19 | bar = pb.StartNew(len(files)).Prefix(color.CyanString("Joining")) |
||
| 20 | } |
||
| 21 | |||
| 22 | outf, err := os.OpenFile(out, os.O_CREATE|os.O_WRONLY, 0600) |
||
| 23 | defer outf.Close() |
||
| 24 | if err != nil { |
||
| 25 | return err |
||
| 26 | } |
||
| 27 | |||
| 28 | for _, f := range files { |
||
| 29 | if err = copy(f, outf); err != nil { |
||
| 30 | return err |
||
| 31 | } |
||
| 32 | if DisplayProgressBar() { |
||
| 33 | bar.Increment() |
||
| 34 | } |
||
| 35 | } |
||
| 36 | |||
| 37 | if DisplayProgressBar() { |
||
| 38 | bar.Finish() |
||
| 39 | } |
||
| 40 | |||
| 41 | return nil |
||
| 42 | } |
||
| 43 | |||
| 44 | //this function split just to use defer |
||
| 45 | func copy(from string, to io.Writer) error { |
||
| 46 | f, err := os.OpenFile(from, os.O_RDONLY, 0600) |
||
| 47 | defer f.Close() |
||
| 48 | if err != nil { |
||
| 49 | return err |
||
| 50 | } |
||
| 51 | io.Copy(to, f) |
||
| 52 | return nil |
||
| 53 | } |
||
| 54 |
