63 lines
1.4 KiB
Go
63 lines
1.4 KiB
Go
package getter
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import (
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"fmt"
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"path/filepath"
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"strings"
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)
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// SourceDirSubdir takes a source and returns a tuple of the URL without
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// the subdir and the URL with the subdir.
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func SourceDirSubdir(src string) (string, string) {
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// Calcaulate an offset to avoid accidentally marking the scheme
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// as the dir.
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var offset int
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if idx := strings.Index(src, "://"); idx > -1 {
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offset = idx + 3
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}
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// First see if we even have an explicit subdir
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idx := strings.Index(src[offset:], "//")
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if idx == -1 {
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return src, ""
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}
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idx += offset
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subdir := src[idx+2:]
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src = src[:idx]
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// Next, check if we have query parameters and push them onto the
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// URL.
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if idx = strings.Index(subdir, "?"); idx > -1 {
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query := subdir[idx:]
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subdir = subdir[:idx]
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src += query
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}
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return src, subdir
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}
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// SubdirGlob returns the actual subdir with globbing processed.
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//
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// dst should be a destination directory that is already populated (the
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// download is complete) and subDir should be the set subDir. If subDir
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// is an empty string, this returns an empty string.
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//
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// The returned path is the full absolute path.
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func SubdirGlob(dst, subDir string) (string, error) {
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matches, err := filepath.Glob(filepath.Join(dst, subDir))
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if err != nil {
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return "", err
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}
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if len(matches) == 0 {
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return "", fmt.Errorf("subdir %q not found", subDir)
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}
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if len(matches) > 1 {
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return "", fmt.Errorf("subdir %q matches multiple paths", subDir)
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}
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return matches[0], nil
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}
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