forked from mirror/pkger
95 lines
1.7 KiB
Go
95 lines
1.7 KiB
Go
package here
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import (
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"encoding/json"
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"fmt"
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"os"
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"path"
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"path/filepath"
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"strings"
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)
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// Dir attempts to gather info for the requested directory.
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func Dir(p string) (Info, error) {
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i, err := Cache(p, func(p string) (Info, error) {
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var i Info
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fi, err := os.Stat(p)
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if err != nil {
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return i, err
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}
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if !fi.IsDir() {
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p = filepath.Dir(p)
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}
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pwd, err := os.Getwd()
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if err != nil {
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return i, err
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}
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defer os.Chdir(pwd)
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os.Chdir(p)
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b, err := run("go", "list", "-json")
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if err != nil {
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es := err.Error()
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if (strings.Contains(es, "cannot find module for path .") || strings.Contains(es, "no Go files") || strings.Contains(es, "can't load package")) {
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if _, err := os.Stat(fmt.Sprintf("%s/go.mod", p)); err == nil {
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var mod Module
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bm, err := run ("go", "list", "-m", "-json")
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if err != nil {
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return i, err
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}
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if err := json.Unmarshal(bm, &mod); err != nil {
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return i, err
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}
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info := NewInfoFromPath(p, mod)
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prepareInfo(p, info, &i)
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return i, err
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}
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} else {
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return i, err
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}
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info, err := Dir(filepath.Dir(p))
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if err != nil {
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return info, err
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}
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prepareInfo(p, info, &i)
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return i, err
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}
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if err := json.Unmarshal(b, &i); err != nil {
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return i, err
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}
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return i, nil
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})
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if err != nil {
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return i, err
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}
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Cache(i.ImportPath, func(p string) (Info, error) {
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return i, nil
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})
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return i, nil
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}
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func prepareInfo(p string, info Info, target *Info) {
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target.Module = info.Module
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ph := strings.TrimPrefix(p, target.Module.Dir)
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target.ImportPath = path.Join(info.Module.Path, ph)
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target.Name = path.Base(target.ImportPath)
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ph = filepath.Join(info.Module.Dir, ph)
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target.Dir = ph
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} |