changeloguru/internal/convention/option.go

66 lines
1.3 KiB
Go

package convention
import (
"errors"
"fmt"
"regexp"
"strings"
"github.com/haunt98/changeloguru/internal/git"
"github.com/haunt98/clock"
)
const (
leftScope = "("
rightScope = ")"
)
var (
ErrEmptyCommit = errors.New("empty commit")
headerRegex = regexp.MustCompile(`(?P<type>[a-zA-Z]+)(?P<scope>\([a-zA-Z]+\))?(?P<attention>!)?:\s(?P<description>.+)`)
)
type OptionFn func(*Commit) error
func GetRawHeader(gitCommit git.Commit) OptionFn {
return func(c *Commit) error {
if gitCommit.Message == "" {
return ErrEmptyCommit
}
message := strings.TrimSpace(gitCommit.Message)
messages := strings.Split(message, "\n")
c.RawHeader = messages[0]
return nil
}
}
func GetTypeAndScope(gitCommit git.Commit) OptionFn {
return func(c *Commit) error {
if !headerRegex.MatchString(c.RawHeader) {
c.Type = MiscType
return nil
}
headerSubmatches := headerRegex.FindStringSubmatch(c.RawHeader)
c.Type = strings.ToLower(headerSubmatches[1])
c.Scope = strings.ToLower(headerSubmatches[2])
c.Scope = strings.TrimLeft(c.Scope, leftScope)
c.Scope = strings.TrimRight(c.Scope, rightScope)
return nil
}
}
func AddAuthorDate(gitCommit git.Commit) OptionFn {
return func(c *Commit) error {
c.RawHeader = fmt.Sprintf("%s (%s)", c.RawHeader, clock.FormatDate(gitCommit.Author.When))
return nil
}
}