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Commit | Line | Data |
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bae9f6d2 JC |
1 | package getter |
2 | ||
3 | import ( | |
15c0b25d AP |
4 | "fmt" |
5 | "path/filepath" | |
bae9f6d2 JC |
6 | "strings" |
7 | ) | |
8 | ||
107c1cdb ND |
9 | // SourceDirSubdir takes a source URL and returns a tuple of the URL without |
10 | // the subdir and the subdir. | |
11 | // | |
12 | // ex: | |
13 | // dom.com/path/?q=p => dom.com/path/?q=p, "" | |
14 | // proto://dom.com/path//*?q=p => proto://dom.com/path?q=p, "*" | |
15 | // proto://dom.com/path//path2?q=p => proto://dom.com/path?q=p, "path2" | |
16 | // | |
bae9f6d2 | 17 | func SourceDirSubdir(src string) (string, string) { |
107c1cdb ND |
18 | |
19 | // URL might contains another url in query parameters | |
20 | stop := len(src) | |
21 | if idx := strings.Index(src, "?"); idx > -1 { | |
22 | stop = idx | |
23 | } | |
24 | ||
25 | // Calculate an offset to avoid accidentally marking the scheme | |
bae9f6d2 JC |
26 | // as the dir. |
27 | var offset int | |
107c1cdb | 28 | if idx := strings.Index(src[:stop], "://"); idx > -1 { |
bae9f6d2 JC |
29 | offset = idx + 3 |
30 | } | |
31 | ||
32 | // First see if we even have an explicit subdir | |
107c1cdb | 33 | idx := strings.Index(src[offset:stop], "//") |
bae9f6d2 JC |
34 | if idx == -1 { |
35 | return src, "" | |
36 | } | |
37 | ||
38 | idx += offset | |
39 | subdir := src[idx+2:] | |
40 | src = src[:idx] | |
41 | ||
42 | // Next, check if we have query parameters and push them onto the | |
43 | // URL. | |
44 | if idx = strings.Index(subdir, "?"); idx > -1 { | |
45 | query := subdir[idx:] | |
46 | subdir = subdir[:idx] | |
47 | src += query | |
48 | } | |
49 | ||
50 | return src, subdir | |
51 | } | |
15c0b25d AP |
52 | |
53 | // SubdirGlob returns the actual subdir with globbing processed. | |
54 | // | |
55 | // dst should be a destination directory that is already populated (the | |
56 | // download is complete) and subDir should be the set subDir. If subDir | |
57 | // is an empty string, this returns an empty string. | |
58 | // | |
59 | // The returned path is the full absolute path. | |
60 | func SubdirGlob(dst, subDir string) (string, error) { | |
61 | matches, err := filepath.Glob(filepath.Join(dst, subDir)) | |
62 | if err != nil { | |
63 | return "", err | |
64 | } | |
65 | ||
66 | if len(matches) == 0 { | |
67 | return "", fmt.Errorf("subdir %q not found", subDir) | |
68 | } | |
69 | ||
70 | if len(matches) > 1 { | |
71 | return "", fmt.Errorf("subdir %q matches multiple paths", subDir) | |
72 | } | |
73 | ||
74 | return matches[0], nil | |
75 | } |