| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package main |
| 4 | |
| 5 | import ( |
| 6 | "fmt" |
| 7 | "strings" |
| 8 | ) |
| 9 | |
| 10 | type familyFlagValues struct { |
| 11 | family string |
| 12 | sources []sourceEntry |
| 13 | } |
| 14 | |
| 15 | func (f *familyFlagValues) String() string { |
| 16 | return fmt.Sprintf("%d %s sources", len(f.sources), f.family) |
| 17 | } |
| 18 | |
| 19 | func (f *familyFlagValues) Set(value string) error { |
| 20 | source, err := parseSourceToken(f.family, value) |
| 21 | if err != nil { |
| 22 | return err |
| 23 | } |
| 24 | f.sources = append(f.sources, source) |
| 25 | return nil |
| 26 | } |
| 27 | |
| 28 | func parseSourceToken(family, value string) (sourceEntry, error) { |
| 29 | value = strings.TrimSpace(value) |
| 30 | if value == "" { |
| 31 | return sourceEntry{}, fmt.Errorf("empty source token") |
| 32 | } |
| 33 | |
| 34 | format := "" |
| 35 | if before, after, ok := strings.Cut(value, "@"); ok { |
| 36 | value = strings.TrimSpace(before) |
| 37 | format = strings.ToLower(strings.TrimSpace(after)) |
| 38 | } |
| 39 | |
| 40 | provider, artifact, ok := strings.Cut(value, ":") |
| 41 | if !ok { |
| 42 | return sourceEntry{}, fmt.Errorf( |
| 43 | "invalid source %q, expected provider:artifact or provider:artifact@format", |
| 44 | value, |
| 45 | ) |
| 46 | } |
| 47 | |
| 48 | source := sourceEntry{ |
| 49 | family: family, |
| 50 | provider: strings.ToLower(strings.TrimSpace(provider)), |
| 51 | artifact: strings.ToLower(strings.TrimSpace(artifact)), |
| 52 | format: format, |
| 53 | } |
| 54 | |
| 55 | if err := normalizeSourceEntry(&source); err != nil { |
| 56 | return sourceEntry{}, err |
| 57 | } |
| 58 | if err := validateSourceEntry(source, "flag"); err != nil { |
| 59 | return sourceEntry{}, err |
| 60 | } |
| 61 | return source, nil |
| 62 | } |