mirror of https://github.com/go-gitea/gitea.git
82 lines
1.6 KiB
Go
82 lines
1.6 KiB
Go
package config
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import (
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"errors"
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"strings"
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format "github.com/go-git/go-git/v5/plumbing/format/config"
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)
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var (
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errURLEmptyInsteadOf = errors.New("url config: empty insteadOf")
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)
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// Url defines Url rewrite rules
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type URL struct {
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// Name new base url
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Name string
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// Any URL that starts with this value will be rewritten to start, instead, with <base>.
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// When more than one insteadOf strings match a given URL, the longest match is used.
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InsteadOf string
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// raw representation of the subsection, filled by marshal or unmarshal are
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// called.
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raw *format.Subsection
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}
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// Validate validates fields of branch
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func (b *URL) Validate() error {
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if b.InsteadOf == "" {
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return errURLEmptyInsteadOf
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}
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return nil
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}
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const (
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insteadOfKey = "insteadOf"
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)
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func (u *URL) unmarshal(s *format.Subsection) error {
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u.raw = s
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u.Name = s.Name
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u.InsteadOf = u.raw.Option(insteadOfKey)
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return nil
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}
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func (u *URL) marshal() *format.Subsection {
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if u.raw == nil {
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u.raw = &format.Subsection{}
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}
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u.raw.Name = u.Name
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u.raw.SetOption(insteadOfKey, u.InsteadOf)
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return u.raw
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}
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func findLongestInsteadOfMatch(remoteURL string, urls map[string]*URL) *URL {
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var longestMatch *URL
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for _, u := range urls {
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if !strings.HasPrefix(remoteURL, u.InsteadOf) {
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continue
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}
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// according to spec if there is more than one match, take the logest
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if longestMatch == nil || len(longestMatch.InsteadOf) < len(u.InsteadOf) {
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longestMatch = u
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}
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}
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return longestMatch
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}
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func (u *URL) ApplyInsteadOf(url string) string {
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if !strings.HasPrefix(url, u.InsteadOf) {
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return url
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}
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return u.Name + url[len(u.InsteadOf):]
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}
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