diff options
author | Mike Yuan <me@yhndnzj.com> | 2023-05-14 17:48:25 +0800 |
---|---|---|
committer | Mike Yuan <me@yhndnzj.com> | 2023-05-15 15:04:38 +0800 |
commit | 38f901791f3c4b1cbd04b71323bbef2fdab65f83 (patch) | |
tree | fb03f9eb4c298a754f6e11393b2065012fa4f801 /src/shared/install.c | |
parent | 62281c78bb0ef77dafb2cad14c1216c313417a23 (diff) | |
download | systemd-38f901791f3c4b1cbd04b71323bbef2fdab65f83.tar.gz |
unit-file: support UpheldBy= in [Install] settings (adding Upholds= deps
from .upholds/)
Closes #26896
Diffstat (limited to 'src/shared/install.c')
-rw-r--r-- | src/shared/install.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/src/shared/install.c b/src/shared/install.c index 152e517ebc..7903de17b1 100644 --- a/src/shared/install.c +++ b/src/shared/install.c @@ -73,7 +73,8 @@ static bool install_info_has_rules(const InstallInfo *i) { return !strv_isempty(i->aliases) || !strv_isempty(i->wanted_by) || - !strv_isempty(i->required_by); + !strv_isempty(i->required_by) || + !strv_isempty(i->upheld_by); } static bool install_info_has_also(const InstallInfo *i) { @@ -942,7 +943,7 @@ static int find_symlinks( continue; suffix = strrchr(de->d_name, '.'); - if (!STRPTR_IN_SET(suffix, ".wants", ".requires")) + if (!STRPTR_IN_SET(suffix, ".wants", ".requires", ".upholds")) continue; path = path_join(config_path, de->d_name); @@ -967,7 +968,8 @@ static int find_symlinks( log_debug_errno(r, "Failed to look up symlinks in \"%s\": %m", path); } - /* We didn't find any suitable symlinks in .wants or .requires directories, let's look for linked unit files in this directory. */ + /* We didn't find any suitable symlinks in .wants, .requires or .upholds directories, + * let's look for linked unit files in this directory. */ rewinddir(config_dir); return find_symlinks_in_directory(config_dir, config_path, root_dir, i, /* ignore_destination= */ false, @@ -1081,6 +1083,7 @@ static void install_info_clear(InstallInfo *i) { i->aliases = strv_free(i->aliases); i->wanted_by = strv_free(i->wanted_by); i->required_by = strv_free(i->required_by); + i->upheld_by = strv_free(i->upheld_by); i->also = strv_free(i->also); i->default_instance = mfree(i->default_instance); i->symlink_target = mfree(i->symlink_target); @@ -1337,6 +1340,7 @@ static int unit_file_load( { "Install", "Alias", config_parse_alias, 0, &info->aliases }, { "Install", "WantedBy", config_parse_strv, 0, &info->wanted_by }, { "Install", "RequiredBy", config_parse_strv, 0, &info->required_by }, + { "Install", "UpheldBy", config_parse_strv, 0, &info->upheld_by }, { "Install", "DefaultInstance", config_parse_default_instance, 0, info }, { "Install", "Also", config_parse_also, 0, ctx }, {} @@ -1440,7 +1444,8 @@ static int unit_file_load( return (int) strv_length(info->aliases) + (int) strv_length(info->wanted_by) + - (int) strv_length(info->required_by); + (int) strv_length(info->required_by) + + (int) strv_length(info->upheld_by); } static int unit_file_load_or_readlink( @@ -2113,6 +2118,10 @@ static int install_info_apply( if (r == 0) r = q; + q = install_info_symlink_wants(scope, file_flags, info, lp, config_path, info->upheld_by, ".upholds/", changes, n_changes); + if (r == 0) + r = q; + return r; } @@ -2733,8 +2742,10 @@ int unit_file_add_dependency( if (dep == UNIT_WANTS) l = &info->wanted_by; - else + else if (dep == UNIT_REQUIRES) l = &info->required_by; + else + l = &info->upheld_by; strv_free(*l); *l = strv_new(target_info->name); |