1package main
 2
 3import (
 4	"archive/tar"
 5	"bufio"
 6	"compress/gzip"
 7	"errors"
 8	"io"
 9	"net/http"
10	"os"
11
12	"git.sr.ht/~gabrielgio/apkdoc/parser"
13	"git.sr.ht/~gabrielgio/apkdoc/templates"
14	flag "github.com/spf13/pflag"
15)
16
17func fechIndex(url string) (io.ReadCloser, error) {
18	resp, err := http.Get(url)
19	if err != nil {
20		return nil, err
21	}
22
23	if resp.StatusCode != 200 {
24		return nil, errors.New("Invlid response")
25	}
26
27	return resp.Body, nil
28}
29
30func main() {
31	url := flag.StringP("url", "u", "", "Url to the APKINDEX.tar.gz")
32	output := flag.StringP("output", "o", "index.md", "Output path")
33	repositoryFormat := flag.StringP("repository-format", "f", "https://git.sr.ht/~gabrielgio/apkbuilds/tree/%s/item/apks/%s", "Template to build repository link")
34	flag.Parse()
35
36	tarStream, err := fechIndex(*url)
37	if err != nil {
38		panic("Error fecthing the index: " + err.Error())
39	}
40
41	defer tarStream.Close()
42
43	archive, err := gzip.NewReader(tarStream)
44	if err != nil {
45		panic("Error creating gzip reader: " + err.Error())
46	}
47
48	tr := tar.NewReader(archive)
49
50	for {
51		h, err := tr.Next()
52		if err != nil {
53			panic("Error reading next tar entry: " + err.Error())
54		}
55
56		if h.FileInfo().Name() == "APKINDEX" {
57			break
58		}
59	}
60
61	s := bufio.NewScanner(tr)
62
63	entries := make([]*parser.Entry, 0)
64	lines := make([]string, 0)
65
66	for s.Scan() {
67		l := s.Text()
68		if l == "" {
69			entry := parser.Parse(lines)
70			entries = append(entries, entry)
71			lines = make([]string, 0)
72		} else {
73			lines = append(lines, l)
74		}
75	}
76
77	file, err := os.Create(*output)
78	if err != nil {
79		panic("Error opening output file: " + err.Error())
80	}
81
82	templates.WriteMarkdownTemplate(file, entries, *repositoryFormat)
83}