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package refname
import "strings"
// WorktreeType classifies one worktree-qualified refname prefix.
type WorktreeType uint8
const (
// WorktreeShared is one ordinary shared refname.
WorktreeShared WorktreeType = iota
// WorktreeCurrent is one current-worktree-only refname like HEAD or refs/worktree/...
WorktreeCurrent
// WorktreeMain is one main-worktree-qualified refname like main-worktree/HEAD.
WorktreeMain
// WorktreeOther is one other-worktree-qualified refname like worktrees/wt1/HEAD.
WorktreeOther
)
// IsPerWorktree reports whether name is one per-worktree ref namespace.
func IsPerWorktree(name string) bool {
return strings.HasPrefix(name, "refs/worktree/") ||
strings.HasPrefix(name, "refs/bisect/") ||
strings.HasPrefix(name, "refs/rewritten/")
}
// ParsedWorktreeRef is the result of parsing one worktree-qualified refname.
type ParsedWorktreeRef struct {
Type WorktreeType
WorktreeName string
BareRefName string
}
// ParseWorktree parses Git's worktree ref prefixes.
func ParseWorktree(name string) ParsedWorktreeRef {
if bare, ok := strings.CutPrefix(name, "worktrees/"); ok {
worktreeName, rest, found := strings.Cut(bare, "/")
if !found {
return ParsedWorktreeRef{
Type: WorktreeOther,
WorktreeName: worktreeName,
BareRefName: "",
}
}
if isCurrentWorktreeRef(rest) {
return ParsedWorktreeRef{
Type: WorktreeOther,
WorktreeName: worktreeName,
BareRefName: rest,
}
}
}
if bare, ok := strings.CutPrefix(name, "main-worktree/"); ok && isCurrentWorktreeRef(bare) {
return ParsedWorktreeRef{
Type: WorktreeMain,
BareRefName: bare,
}
}
if isCurrentWorktreeRef(name) {
return ParsedWorktreeRef{
Type: WorktreeCurrent,
BareRefName: name,
}
}
return ParsedWorktreeRef{
Type: WorktreeShared,
BareRefName: name,
}
}
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