changeloguru/pkg/convention/commit.go

54 lines
1.0 KiB
Go

package convention
import (
"errors"
"regexp"
"strings"
"github.com/haunt98/changeloguru/pkg/git"
)
// https://www.conventionalcommits.org/en/v1.0.0/
// <type>[optional scope]: <description>
// [optional body]
// [optional footer(s)]
var headerRegex = regexp.MustCompile(`(?P<type>[a-zA-Z]+)(?P<scope>\([a-zA-Z]+\))?(?P<attention>!)?:\s(?P<description>.+)`)
type Commit struct {
RawHeader string
Type string
}
func NewCommit(c git.Commit) (result Commit, err error) {
message := strings.TrimSpace(c.Message)
messages := strings.Split(message, "\n")
if len(messages) == 0 {
err = errors.New("empty commit")
return
}
result.RawHeader = strings.TrimSpace(messages[0])
result.UpdateType()
return
}
func (c *Commit) GetType() string {
return c.Type
}
func (c *Commit) String() string {
return c.RawHeader
}
func (c *Commit) UpdateType() {
if !headerRegex.MatchString(c.RawHeader) {
c.Type = MiscType
return
}
headerSubmatches := headerRegex.FindStringSubmatch(c.RawHeader)
c.Type = strings.ToLower(headerSubmatches[1])
}