63 lines
1.5 KiB
Go
63 lines
1.5 KiB
Go
package build
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import (
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"encoding/csv"
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"strings"
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"github.com/moby/buildkit/client"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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)
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func parseImportCacheCSV(s string) (client.CacheOptionsEntry, error) {
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im := client.CacheOptionsEntry{
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Type: "",
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Attrs: map[string]string{},
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}
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csvReader := csv.NewReader(strings.NewReader(s))
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fields, err := csvReader.Read()
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if err != nil {
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return im, err
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}
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for _, field := range fields {
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parts := strings.SplitN(field, "=", 2)
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if len(parts) != 2 {
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return im, errors.Errorf("invalid value %s", field)
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}
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key := strings.ToLower(parts[0])
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value := parts[1]
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switch key {
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case "type":
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im.Type = value
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default:
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im.Attrs[key] = value
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}
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}
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if im.Type == "" {
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return im, errors.New("--import-cache requires type=<type>")
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}
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return im, nil
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}
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// ParseImportCache parses --import-cache
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func ParseImportCache(importCaches []string) ([]client.CacheOptionsEntry, error) {
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var imports []client.CacheOptionsEntry
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for _, importCache := range importCaches {
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legacy := !strings.Contains(importCache, "type=")
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if legacy {
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logrus.Warn("--import-cache <ref> is deprecated. Please use --import-cache type=registry,ref=<ref>,<opt>=<optval>[,<opt>=<optval>] instead.")
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imports = append(imports, client.CacheOptionsEntry{
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Type: "registry",
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Attrs: map[string]string{"ref": importCache},
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})
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} else {
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im, err := parseImportCacheCSV(importCache)
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if err != nil {
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return nil, err
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}
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imports = append(imports, im)
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}
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}
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return imports, nil
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}
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