Make IsEnabled match the documentation
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D00C269A87614812
@ -16,6 +16,8 @@ var (
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// Running as superuser or adding the correct PolicyKit definitions can fix this
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// See https://wiki.debian.org/PolicyKit for more information
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ErrInsufficientPermissions = errors.New("insufficient permissions")
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// Selected unit file resides outside of the unit file search path
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ErrLinked = errors.New("unit file linked")
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// Masked units can only be unmasked, but something else was attempted
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// Unmask the unit before enabling or disabling it
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ErrMasked = errors.New("unit masked")
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184
systemctl.go
184
systemctl.go
@ -8,22 +8,54 @@ import (
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"github.com/taigrr/systemctl/properties"
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)
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func IsFailed(ctx context.Context, unit string, opts Options) (bool, error) {
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var args = []string{"is-failed", "--system", unit}
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// Reload systemd manager configuration.
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//
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// This will rerun all generators (see systemd. generator(7)), reload all unit
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// files, and recreate the entire dependency tree. While the daemon is being
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// reloaded, all sockets systemd listens on behalf of user configuration will
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// stay accessible.
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func DaemonReload(ctx context.Context, opts Options) error {
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var args = []string{"daemon-reload", "--system"}
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if opts.UserMode {
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args[1] = "--user"
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}
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stdout, _, _, err := execute(ctx, args)
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if matched, _ := regexp.MatchString(`inactive`, stdout); matched {
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return false, nil
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} else if matched, _ := regexp.MatchString(`active`, stdout); matched {
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return false, nil
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} else if matched, _ := regexp.MatchString(`failed`, stdout); matched {
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return true, nil
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}
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return false, err
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_, _, _, err := execute(ctx, args)
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return err
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}
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// Disables one or more units.
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//
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// This removes all symlinks to the unit files backing the specified units from
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// the unit configuration directory, and hence undoes any changes made by
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// enable or link.
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func Disable(ctx context.Context, unit string, opts Options) error {
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var args = []string{"disable", "--system", unit}
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if opts.UserMode {
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args[1] = "--user"
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}
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_, _, _, err := execute(ctx, args)
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return err
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}
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// Enable one or more units or unit instances.
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//
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// This will create a set of symlinks, as encoded in the [Install] sections of
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// the indicated unit files. After the symlinks have been created, the system
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// manager configuration is reloaded (in a way equivalent to daemon-reload),
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// in order to ensure the changes are taken into account immediately.
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func Enable(ctx context.Context, unit string, opts Options) error {
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var args = []string{"enable", "--system", unit}
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if opts.UserMode {
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args[1] = "--user"
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}
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_, _, _, err := execute(ctx, args)
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return err
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}
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// Check whether any of the specified units are active (i.e. running).
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//
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// Returns true if the unit is active, false if inactive or failed.
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// Also returns false in an error case.
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func IsActive(ctx context.Context, unit string, opts Options) (bool, error) {
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var args = []string{"is-active", "--system", unit}
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if opts.UserMode {
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@ -41,30 +73,77 @@ func IsActive(ctx context.Context, unit string, opts Options) (bool, error) {
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return false, err
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}
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// Checks whether any of the specified unit files are enabled (as with enable).
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//
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// Returns true if the unit is enabled, aliased, static, indirect, generated
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// or transient.
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//
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// Returns false if disabled. Also returns an error if linked, masked, or bad.
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//
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// See https://www.freedesktop.org/software/systemd/man/systemctl.html#is-enabled%20UNIT%E2%80%A6
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// for more information
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func IsEnabled(ctx context.Context, unit string, opts Options) (bool, error) {
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var args = []string{"is-enabled", "--system", unit}
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if opts.UserMode {
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args[1] = "--user"
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}
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stdout, _, _, err := execute(ctx, args)
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if matched, _ := regexp.MatchString(`enabled`, stdout); matched {
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switch stdout {
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case "enabled":
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return true, nil
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} else if matched, _ := regexp.MatchString(`disabled`, stdout); matched {
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return false, nil
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} else if matched, _ := regexp.MatchString(`masked`, stdout); matched {
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case "enabled-runtime":
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return true, nil
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case "linked":
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return false, ErrLinked
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case "linked-runtime":
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return false, ErrLinked
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case "alias":
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return true, nil
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case "masked":
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return false, ErrMasked
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case "masked-runtime":
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return false, ErrMasked
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case "static":
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return true, nil
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case "indirect":
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return true, nil
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case "disabled":
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return false, nil
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case "generated":
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return true, nil
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case "transient":
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return true, nil
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}
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if err != nil {
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return false, err
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}
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return false, ErrUnspecified
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}
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func Status(ctx context.Context, unit string, opts Options) (string, error) {
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var args = []string{"status", "--system", unit}
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// Check whether any of the specified units are in a "failed" state.
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func IsFailed(ctx context.Context, unit string, opts Options) (bool, error) {
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var args = []string{"is-failed", "--system", unit}
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if opts.UserMode {
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args[1] = "--user"
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}
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stdout, _, _, err := execute(ctx, args)
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return stdout, err
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if matched, _ := regexp.MatchString(`inactive`, stdout); matched {
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return false, nil
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} else if matched, _ := regexp.MatchString(`active`, stdout); matched {
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return false, nil
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} else if matched, _ := regexp.MatchString(`failed`, stdout); matched {
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return true, nil
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}
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return false, err
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}
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func Mask(ctx context.Context, unit string, opts Options) error {
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var args = []string{"mask", "--system", unit}
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if opts.UserMode {
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args[1] = "--user"
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}
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_, _, _, err := execute(ctx, args)
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return err
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}
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func Restart(ctx context.Context, unit string, opts Options) error {
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@ -76,51 +155,6 @@ func Restart(ctx context.Context, unit string, opts Options) error {
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return err
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}
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func Start(ctx context.Context, unit string, opts Options) error {
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var args = []string{"start", "--system", unit}
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if opts.UserMode {
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args[1] = "--user"
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}
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_, _, _, err := execute(ctx, args)
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return err
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}
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func Stop(ctx context.Context, unit string, opts Options) error {
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var args = []string{"stop", "--system", unit}
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if opts.UserMode {
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args[1] = "--user"
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}
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_, _, _, err := execute(ctx, args)
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return err
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}
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func Enable(ctx context.Context, unit string, opts Options) error {
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var args = []string{"enable", "--system", unit}
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if opts.UserMode {
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args[1] = "--user"
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}
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_, _, _, err := execute(ctx, args)
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return err
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}
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func Disable(ctx context.Context, unit string, opts Options) error {
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var args = []string{"disable", "--system", unit}
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if opts.UserMode {
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args[1] = "--user"
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}
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_, _, _, err := execute(ctx, args)
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return err
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}
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func DaemonReload(ctx context.Context, opts Options) error {
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var args = []string{"daemon-reload", "--system"}
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if opts.UserMode {
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args[1] = "--user"
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}
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_, _, _, err := execute(ctx, args)
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return err
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}
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func Show(ctx context.Context, unit string, property properties.Property, opts Options) (string, error) {
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var args = []string{"show", "--system", unit, "--property", string(property)}
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if opts.UserMode {
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@ -132,8 +166,26 @@ func Show(ctx context.Context, unit string, property properties.Property, opts O
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return stdout, err
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}
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func Mask(ctx context.Context, unit string, opts Options) error {
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var args = []string{"mask", "--system", unit}
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func Start(ctx context.Context, unit string, opts Options) error {
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var args = []string{"start", "--system", unit}
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if opts.UserMode {
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args[1] = "--user"
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}
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_, _, _, err := execute(ctx, args)
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return err
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}
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func Status(ctx context.Context, unit string, opts Options) (string, error) {
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var args = []string{"status", "--system", unit}
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if opts.UserMode {
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args[1] = "--user"
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}
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stdout, _, _, err := execute(ctx, args)
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return stdout, err
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}
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func Stop(ctx context.Context, unit string, opts Options) error {
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var args = []string{"stop", "--system", unit}
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if opts.UserMode {
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args[1] = "--user"
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}
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