DockerCLI/vendor/github.com/moby/buildkit/util/appdefaults/appdefaults_unix.go

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// +build !windows
package appdefaults
import (
"os"
"path/filepath"
"strings"
)
const (
Address = "unix:///run/buildkit/buildkitd.sock"
Root = "/var/lib/buildkit"
ConfigDir = "/etc/buildkit"
)
// UserAddress typically returns /run/user/$UID/buildkit/buildkitd.sock
func UserAddress() string {
// pam_systemd sets XDG_RUNTIME_DIR but not other dirs.
xdgRuntimeDir := os.Getenv("XDG_RUNTIME_DIR")
if xdgRuntimeDir != "" {
dirs := strings.Split(xdgRuntimeDir, ":")
return "unix://" + filepath.Join(dirs[0], "buildkit", "buildkitd.sock")
}
return Address
}
// EnsureUserAddressDir sets sticky bit on XDG_RUNTIME_DIR if XDG_RUNTIME_DIR is set.
// See https://github.com/opencontainers/runc/issues/1694
func EnsureUserAddressDir() error {
xdgRuntimeDir := os.Getenv("XDG_RUNTIME_DIR")
if xdgRuntimeDir != "" {
dirs := strings.Split(xdgRuntimeDir, ":")
dir := filepath.Join(dirs[0], "buildkit")
if err := os.MkdirAll(dir, 0700); err != nil {
return err
}
return os.Chmod(dir, 0700|os.ModeSticky)
}
return nil
}
// UserRoot typically returns /home/$USER/.local/share/buildkit
func UserRoot() string {
// pam_systemd sets XDG_RUNTIME_DIR but not other dirs.
xdgDataHome := os.Getenv("XDG_DATA_HOME")
if xdgDataHome != "" {
dirs := strings.Split(xdgDataHome, ":")
return filepath.Join(dirs[0], "buildkit")
}
home := os.Getenv("HOME")
if home != "" {
return filepath.Join(home, ".local", "share", "buildkit")
}
return Root
}
// UserConfigDir returns dir for storing config. /home/$USER/.config/buildkit/
func UserConfigDir() string {
xdgConfigHome := os.Getenv("XDG_CONFIG_HOME")
if xdgConfigHome != "" {
return filepath.Join(xdgConfigHome, "buildkit")
}
home := os.Getenv("HOME")
if home != "" {
return filepath.Join(home, ".config", "buildkit")
}
return ConfigDir
}