Source File
	git.go

Belonging Package
	github.com/carapace-sh/carapace/pkg/traverse

package traverse

import (
	"path/filepath"
)

// GitDir returns the location of the .git folder.
func GitDir(tc Context) (string, error) {
	if dir, ok := tc.LookupEnv("GIT_DIR"); ok {
		return filepath.ToSlash(dir), nil
	}
	dir, err := GitWorkTree(tc)
	if err == nil {
		dir += "/.git"
	}
	return dir, err
}

// GitWorkTree returns the location of the root of the working directory for a non-bare repository.
func GitWorkTree(tc Context) (string, error) {
	if dir, ok := tc.LookupEnv("GIT_WORK_TREE"); ok {
		return filepath.ToSlash(dir), nil
	}
	return Parent(".git")(tc)
}

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