#include "special.h"
typedef struct {
- Hashmap *will_install;
- Hashmap *have_installed;
+ OrderedHashmap *will_install;
+ OrderedHashmap *have_installed;
} InstallContext;
static int in_search_path(const char *path, char **search) {
free(i);
}
-static void install_info_hashmap_free(Hashmap *m) {
+static void install_info_hashmap_free(OrderedHashmap *m) {
InstallInfo *i;
if (!m)
return;
- while ((i = hashmap_steal_first(m)))
+ while ((i = ordered_hashmap_steal_first(m)))
install_info_free(i);
- hashmap_free(m);
+ ordered_hashmap_free(m);
}
static void install_context_done(InstallContext *c) {
if (!unit_name_is_valid(name, TEMPLATE_VALID))
return -EINVAL;
- if (hashmap_get(c->have_installed, name) ||
- hashmap_get(c->will_install, name))
+ if (ordered_hashmap_get(c->have_installed, name) ||
+ ordered_hashmap_get(c->will_install, name))
return 0;
- r = hashmap_ensure_allocated(&c->will_install, &string_hash_ops);
+ r = ordered_hashmap_ensure_allocated(&c->will_install, &string_hash_ops);
if (r < 0)
return r;
}
}
- r = hashmap_put(c->will_install, i->name, i);
+ r = ordered_hashmap_put(c->will_install, i->name, i);
if (r < 0)
goto fail;
InstallInfo *info,
const char *path,
const char *root_dir,
- bool allow_symlink) {
+ bool allow_symlink,
+ bool load) {
const ConfigTableItem items[] = {
{ "Install", "Alias", config_parse_strv, 0, &info->aliases },
if (!isempty(root_dir))
path = strappenda(root_dir, "/", path);
+ if (!load) {
+ r = access(path, F_OK) ? -errno : 0;
+ return r;
+ }
+
fd = open(path, O_RDONLY|O_CLOEXEC|O_NOCTTY|(allow_symlink ? 0 : O_NOFOLLOW));
if (fd < 0)
return -errno;
InstallInfo *info,
LookupPaths *paths,
const char *root_dir,
- bool allow_symlink) {
+ bool allow_symlink,
+ bool load) {
char **p;
int r;
assert(paths);
if (info->path)
- return unit_file_load(c, info, info->path, root_dir, allow_symlink);
+ return unit_file_load(c, info, info->path, root_dir, allow_symlink, load);
assert(info->name);
if (!path)
return -ENOMEM;
- r = unit_file_load(c, info, path, root_dir, allow_symlink);
+ r = unit_file_load(c, info, path, root_dir, allow_symlink, load);
if (r >= 0) {
info->path = path;
path = NULL;
if (!path)
return -ENOMEM;
- r = unit_file_load(c, info, path, root_dir, allow_symlink);
+ r = unit_file_load(c, info, path, root_dir, allow_symlink, load);
if (r >= 0) {
info->path = path;
path = NULL;
if (r < 0)
return r;
- assert_se(i = hashmap_first(c.will_install));
+ assert_se(i = ordered_hashmap_first(c.will_install));
- r = unit_file_search(&c, i, paths, root_dir, allow_symlink);
+ r = unit_file_search(&c, i, paths, root_dir, allow_symlink, true);
if (r >= 0)
r =
unsigned *n_changes) {
InstallInfo *i;
- int r = 0, q;
+ int r, q;
assert(c);
assert(paths);
assert(config_path);
- while ((i = hashmap_first(c->will_install))) {
+ if (!ordered_hashmap_isempty(c->will_install)) {
+ r = ordered_hashmap_ensure_allocated(&c->have_installed, &string_hash_ops);
+ if (r < 0)
+ return r;
- q = hashmap_ensure_allocated(&c->have_installed, &string_hash_ops);
- if (q < 0)
- return q;
+ r = ordered_hashmap_reserve(c->have_installed, ordered_hashmap_size(c->will_install));
+ if (r < 0)
+ return r;
+ }
- assert_se(hashmap_move_one(c->have_installed, c->will_install, i->name) == 0);
+ r = 0;
+ while ((i = ordered_hashmap_first(c->will_install))) {
+ assert_se(ordered_hashmap_move_one(c->have_installed, c->will_install, i->name) == 0);
- q = unit_file_search(c, i, paths, root_dir, false);
+ q = unit_file_search(c, i, paths, root_dir, false, true);
if (q < 0) {
if (r >= 0)
r = q;
const char *root_dir) {
InstallInfo *i;
- int r = 0, q;
+ int r, q;
assert(c);
assert(paths);
/* Marks all items for removal */
- while ((i = hashmap_first(c->will_install))) {
+ if (!ordered_hashmap_isempty(c->will_install)) {
+ r = ordered_hashmap_ensure_allocated(&c->have_installed, &string_hash_ops);
+ if (r < 0)
+ return r;
- q = hashmap_ensure_allocated(&c->have_installed, &string_hash_ops);
- if (q < 0)
- return q;
+ r = ordered_hashmap_reserve(c->have_installed, ordered_hashmap_size(c->will_install));
+ if (r < 0)
+ return r;
+ }
- assert_se(hashmap_move_one(c->have_installed, c->will_install, i->name) == 0);
+ r = 0;
+ while ((i = ordered_hashmap_first(c->will_install))) {
+ assert_se(ordered_hashmap_move_one(c->have_installed, c->will_install, i->name) == 0);
- q = unit_file_search(c, i, paths, root_dir, false);
+ q = unit_file_search(c, i, paths, root_dir, false, true);
if (q == -ENOENT) {
/* do nothing */
} else if (q < 0) {
return r;
}
+int unit_file_add_dependency(
+ UnitFileScope scope,
+ bool runtime,
+ const char *root_dir,
+ char **files,
+ char *target,
+ UnitDependency dep,
+ bool force,
+ UnitFileChange **changes,
+ unsigned *n_changes) {
+
+ _cleanup_lookup_paths_free_ LookupPaths paths = {};
+ _cleanup_(install_context_done) InstallContext c = {};
+ _cleanup_free_ char *config_path = NULL;
+ char **i;
+ int r;
+ InstallInfo *info;
+
+ assert(scope >= 0);
+ assert(scope < _UNIT_FILE_SCOPE_MAX);
+
+ r = lookup_paths_init_from_scope(&paths, scope, root_dir);
+ if (r < 0)
+ return r;
+
+ r = get_config_path(scope, runtime, root_dir, &config_path);
+ if (r < 0)
+ return r;
+
+ STRV_FOREACH(i, files) {
+ UnitFileState state;
+
+ state = unit_file_get_state(scope, root_dir, *i);
+ if (state < 0) {
+ log_error("Failed to get unit file state for %s: %s", *i, strerror(-state));
+ return state;
+ }
+
+ if (state == UNIT_FILE_MASKED || state == UNIT_FILE_MASKED_RUNTIME) {
+ log_error("Failed to enable unit: Unit %s is masked", *i);
+ return -ENOTSUP;
+ }
+
+ r = install_info_add_auto(&c, *i);
+ if (r < 0)
+ return r;
+ }
+
+ if (!ordered_hashmap_isempty(c.will_install)) {
+ r = ordered_hashmap_ensure_allocated(&c.have_installed, &string_hash_ops);
+ if (r < 0)
+ return r;
+
+ r = ordered_hashmap_reserve(c.have_installed, ordered_hashmap_size(c.will_install));
+ if (r < 0)
+ return r;
+ }
+
+ while ((info = ordered_hashmap_first(c.will_install))) {
+ assert_se(ordered_hashmap_move_one(c.have_installed, c.will_install, info->name) == 0);
+
+ r = unit_file_search(&c, info, &paths, root_dir, false, false);
+ if (r < 0)
+ return r;
+
+ if (dep == UNIT_WANTS)
+ r = strv_extend(&info->wanted_by, target);
+ else if (dep == UNIT_REQUIRES)
+ r = strv_extend(&info->required_by, target);
+ else
+ r = -EINVAL;
+
+ if (r < 0)
+ return r;
+
+ r = install_info_apply(info, &paths, config_path, root_dir, force, changes, n_changes);
+ if (r < 0)
+ return r;
+ }
+
+ return 0;
+}
+
int unit_file_enable(
UnitFileScope scope,
bool runtime,
return r;
STRV_FOREACH(i, files) {
+ UnitFileState state;
+
+ /* We only want to know if this unit is masked, so we ignore
+ * errors from unit_file_get_state, deferring other checks.
+ * This allows templated units to be enabled on the fly. */
+ state = unit_file_get_state(scope, root_dir, *i);
+ if (state == UNIT_FILE_MASKED || state == UNIT_FILE_MASKED_RUNTIME) {
+ log_error("Failed to enable unit: Unit %s is masked", *i);
+ return -ENOTSUP;
+ }
+
r = install_info_add_auto(&c, *i);
if (r < 0)
return r;
r = install_context_mark_for_removal(&c, &paths, &remove_symlinks_to, config_path, root_dir);
q = remove_marked_symlinks(remove_symlinks_to, config_path, changes, n_changes, files);
- if (r == 0)
+ if (r >= 0)
r = q;
return r;
if (r < 0)
return r;
- assert_se(i = hashmap_first(c.will_install));
+ assert_se(i = ordered_hashmap_first(c.will_install));
- r = unit_file_search(&c, i, &paths, root_dir, false);
+ r = unit_file_search(&c, i, &paths, root_dir, false, true);
if (r < 0)
return r;