diff options
-rw-r--r-- | man/systemctl.xml | 26 | ||||
-rw-r--r-- | src/core/dbus-manager.c | 16 | ||||
-rw-r--r-- | src/shared/install.c | 57 | ||||
-rw-r--r-- | src/systemctl/systemctl.c | 7 |
4 files changed, 51 insertions, 55 deletions
diff --git a/man/systemctl.xml b/man/systemctl.xml index 5f624243f7..991e9bafaf 100644 --- a/man/systemctl.xml +++ b/man/systemctl.xml @@ -1084,22 +1084,22 @@ kobject-uevent 1 systemd-udevd-kernel.socket systemd-udevd.service <term><command>preset <replaceable>NAME</replaceable>...</command></term> <listitem> - <para>Reset one or more unit files, as specified on the - command line, to the defaults configured in the preset - policy files. This has the same effect as - <command>disable</command> or <command>enable</command>, - depending how the unit is listed in the preset files.</para> + <para>Reset the enable/disable status one or more unit files, as specified on + the command line, to the defaults configured in the preset policy files. This + has the same effect as <command>disable</command> or + <command>enable</command>, depending how the unit is listed in the preset + files.</para> - <para>Use <option>--preset-mode=</option> to control - whether units shall be enabled and disabled, or only - enabled, or only disabled.</para> + <para>Use <option>--preset-mode=</option> to control whether units shall be + enabled and disabled, or only enabled, or only disabled.</para> + + <para>If the unit carries no install information, it will be silently ignored + by this command.</para> - <para>For more information on the preset policy format, - see + <para>For more information on the preset policy format, see <citerefentry><refentrytitle>systemd.preset</refentrytitle><manvolnum>5</manvolnum></citerefentry>. - For more information on the concept of presets, please - consult the <ulink - url="http://freedesktop.org/wiki/Software/systemd/Preset">Preset</ulink> + For more information on the concept of presets, please consult the + <ulink url="http://freedesktop.org/wiki/Software/systemd/Preset">Preset</ulink> document.</para> </listitem> </varlistentry> diff --git a/src/core/dbus-manager.c b/src/core/dbus-manager.c index d48b0ca69d..0c86791fe3 100644 --- a/src/core/dbus-manager.c +++ b/src/core/dbus-manager.c @@ -1666,7 +1666,6 @@ static int install_error( static int method_enable_unit_files_generic( sd_bus_message *message, Manager *m, - const char *verb, int (*call)(UnitFileScope scope, bool runtime, const char *root_dir, char *files[], bool force, UnitFileChange **changes, unsigned *n_changes), bool carries_install_info, sd_bus_error *error) { @@ -1701,15 +1700,15 @@ static int method_enable_unit_files_generic( } static int method_enable_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { - return method_enable_unit_files_generic(message, userdata, "enable", unit_file_enable, true, error); + return method_enable_unit_files_generic(message, userdata, unit_file_enable, true, error); } static int method_reenable_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { - return method_enable_unit_files_generic(message, userdata, "enable", unit_file_reenable, true, error); + return method_enable_unit_files_generic(message, userdata, unit_file_reenable, true, error); } static int method_link_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { - return method_enable_unit_files_generic(message, userdata, "enable", unit_file_link, false, error); + return method_enable_unit_files_generic(message, userdata, unit_file_link, false, error); } static int unit_file_preset_without_mode(UnitFileScope scope, bool runtime, const char *root_dir, char **files, bool force, UnitFileChange **changes, unsigned *n_changes) { @@ -1717,11 +1716,11 @@ static int unit_file_preset_without_mode(UnitFileScope scope, bool runtime, cons } static int method_preset_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { - return method_enable_unit_files_generic(message, userdata, "enable", unit_file_preset_without_mode, true, error); + return method_enable_unit_files_generic(message, userdata, unit_file_preset_without_mode, true, error); } static int method_mask_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { - return method_enable_unit_files_generic(message, userdata, "disable", unit_file_mask, false, error); + return method_enable_unit_files_generic(message, userdata, unit_file_mask, false, error); } static int method_preset_unit_files_with_mode(sd_bus_message *message, void *userdata, sd_bus_error *error) { @@ -1769,7 +1768,6 @@ static int method_preset_unit_files_with_mode(sd_bus_message *message, void *use static int method_disable_unit_files_generic( sd_bus_message *message, Manager *m, - const char *verb, int (*call)(UnitFileScope scope, bool runtime, const char *root_dir, char *files[], UnitFileChange **changes, unsigned *n_changes), sd_bus_error *error) { @@ -1803,11 +1801,11 @@ static int method_disable_unit_files_generic( } static int method_disable_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { - return method_disable_unit_files_generic(message, userdata, "disable", unit_file_disable, error); + return method_disable_unit_files_generic(message, userdata, unit_file_disable, error); } static int method_unmask_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { - return method_disable_unit_files_generic(message, userdata, "enable", unit_file_unmask, error); + return method_disable_unit_files_generic(message, userdata, unit_file_unmask, error); } static int method_revert_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) { diff --git a/src/shared/install.c b/src/shared/install.c index 71012eafb4..e97721b79e 100644 --- a/src/shared/install.c +++ b/src/shared/install.c @@ -222,8 +222,8 @@ int unit_file_changes_add( const char *path, const char *source) { + _cleanup_free_ char *p = NULL, *s = NULL; UnitFileChange *c; - unsigned i; assert(path); assert(!changes == !n_changes); @@ -234,29 +234,22 @@ int unit_file_changes_add( c = realloc(*changes, (*n_changes + 1) * sizeof(UnitFileChange)); if (!c) return -ENOMEM; - *changes = c; - i = *n_changes; - c[i].type = type; - c[i].path = strdup(path); - if (!c[i].path) - return -ENOMEM; + p = strdup(path); + if (source) + s = strdup(source); - path_kill_slashes(c[i].path); - - if (source) { - c[i].source = strdup(source); - if (!c[i].source) { - free(c[i].path); - return -ENOMEM; - } + if (!p || (source && !s)) + return -ENOMEM; - path_kill_slashes(c[i].path); - } else - c[i].source = NULL; + path_kill_slashes(p); + if (s) + path_kill_slashes(s); - *n_changes = i+1; + c[*n_changes] = (UnitFileChange) { type, p, s }; + p = s = NULL; + (*n_changes) ++; return 0; } @@ -265,9 +258,6 @@ void unit_file_changes_free(UnitFileChange *changes, unsigned n_changes) { assert(changes || n_changes == 0); - if (!changes) - return; - for (i = 0; i < n_changes; i++) { free(changes[i].path); free(changes[i].source); @@ -370,8 +360,14 @@ static int create_symlink( } r = readlink_malloc(new_path, &dest); - if (r < 0) + if (r < 0) { + /* translate EINVAL (non-symlink exists) to EEXIST */ + if (r == -EINVAL) + r = -EEXIST; + + unit_file_changes_add(changes, n_changes, r, new_path, NULL); return r; + } if (path_equal(dest, old_path)) return 0; @@ -382,8 +378,10 @@ static int create_symlink( } r = symlink_atomic(old_path, new_path); - if (r < 0) + if (r < 0) { + unit_file_changes_add(changes, n_changes, r, new_path, NULL); return r; + } unit_file_changes_add(changes, n_changes, UNIT_FILE_UNLINK, new_path, NULL); unit_file_changes_add(changes, n_changes, UNIT_FILE_SYMLINK, new_path, old_path); @@ -521,8 +519,8 @@ static int remove_marked_symlinks_fd( unit_file_changes_add(changes, n_changes, UNIT_FILE_UNLINK, p, NULL); - /* Now, remember the full path (but with the root prefix removed) of the symlink we just - * removed, and remove any symlinks to it, too */ + /* Now, remember the full path (but with the root prefix removed) of + * the symlink we just removed, and remove any symlinks to it, too. */ rp = skip_root(lp, p); q = mark_symlink_for_removal(&remove_symlinks_to, rp ?: p); @@ -1392,7 +1390,6 @@ static int install_info_symlink_wants( const char *config_path, char **list, const char *suffix, - bool force, UnitFileChange **changes, unsigned *n_changes) { @@ -1440,7 +1437,7 @@ static int install_info_symlink_wants( rp = skip_root(paths, i->path); - q = create_symlink(rp ?: i->path, path, force, changes, n_changes); + q = create_symlink(rp ?: i->path, path, true, changes, n_changes); if (r == 0) r = q; } @@ -1499,11 +1496,11 @@ static int install_info_apply( r = install_info_symlink_alias(i, paths, config_path, force, changes, n_changes); - q = install_info_symlink_wants(i, paths, config_path, i->wanted_by, ".wants/", force, changes, n_changes); + q = install_info_symlink_wants(i, paths, config_path, i->wanted_by, ".wants/", changes, n_changes); if (r == 0) r = q; - q = install_info_symlink_wants(i, paths, config_path, i->required_by, ".requires/", force, changes, n_changes); + q = install_info_symlink_wants(i, paths, config_path, i->required_by, ".requires/", changes, n_changes); if (r == 0) r = q; diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c index 059e985463..04205411dd 100644 --- a/src/systemctl/systemctl.c +++ b/src/systemctl/systemctl.c @@ -5390,6 +5390,7 @@ static int enable_unit(int argc, char *argv[], void *userdata) { UnitFileChange *changes = NULL; unsigned n_changes = 0; int carries_install_info = -1; + bool ignore_carries_install_info = false; int r; if (!argv[1]) @@ -5420,7 +5421,6 @@ static int enable_unit(int argc, char *argv[], void *userdata) { r = unit_file_link(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes); else if (streq(verb, "preset")) { r = unit_file_preset(arg_scope, arg_runtime, arg_root, names, arg_preset_mode, arg_force, &changes, &n_changes); - carries_install_info = r; } else if (streq(verb, "mask")) r = unit_file_mask(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes); else if (streq(verb, "unmask")) @@ -5437,7 +5437,7 @@ static int enable_unit(int argc, char *argv[], void *userdata) { } else { _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL; _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; - int expect_carries_install_info = false; + bool expect_carries_install_info = false; bool send_runtime = true, send_force = true, send_preset_mode = false; const char *method; sd_bus *bus; @@ -5468,6 +5468,7 @@ static int enable_unit(int argc, char *argv[], void *userdata) { method = "PresetUnitFiles"; expect_carries_install_info = true; + ignore_carries_install_info = true; } else if (streq(verb, "mask")) method = "MaskUnitFiles"; else if (streq(verb, "unmask")) { @@ -5532,7 +5533,7 @@ static int enable_unit(int argc, char *argv[], void *userdata) { r = 0; } - if (carries_install_info == 0) + if (carries_install_info == 0 && !ignore_carries_install_info) log_warning("The unit files have no installation config (WantedBy, RequiredBy, Also, Alias\n" "settings in the [Install] section, and DefaultInstance for template units).\n" "This means they are not meant to be enabled using systemctl.\n" |