diff --git a/TODO b/TODO index 8de1029b9b..0d18e0734b 100644 --- a/TODO +++ b/TODO @@ -197,9 +197,7 @@ Features: * systemctl: if some operation fails, show log output? -* systemctl edit: -- allow creation of units from scratch -- use equvalent of cat() to insert existing config as a comment, prepended with #. +* systemctl edit: use equvalent of cat() to insert existing config as a comment, prepended with #. Upon editor exit, lines with one # are removed, lines with two # are left with one #, etc. * exponential backoff in timesyncd when we cannot reach a server diff --git a/man/systemctl.xml b/man/systemctl.xml index 914af929c8..742da81cfe 100644 --- a/man/systemctl.xml +++ b/man/systemctl.xml @@ -481,6 +481,9 @@ When used with enable, overwrite any existing conflicting symlinks. + When used with edit, create all of the + specified units which do not already exist. + When used with halt, poweroff, reboot or kexec, execute the selected operation without shutting down all units. However, all processes will be killed forcibly and all file systems are unmounted or remounted read-only. This is hence a @@ -1303,6 +1306,9 @@ kobject-uevent 1 systemd-udevd-kernel.socket systemd-udevd.service If is specified, this will copy the original units instead of creating drop-in files. + If is specified and any units do + not already exist, new unit files will be opened for editing. + If is specified, the changes will be made temporarily in /run and they will be lost on the next reboot. diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c index 38b5a7e082..0a8e60c195 100644 --- a/src/systemctl/systemctl.c +++ b/src/systemctl/systemctl.c @@ -2499,7 +2499,7 @@ static int unit_find_paths( r = 1; } - if (r == 0) + if (r == 0 && !arg_force) log_error("No files found for %s.", unit_name); return r; @@ -6070,7 +6070,7 @@ static int create_edit_temp_file(const char *new_path, const char *original_path return log_error_errno(r, "Failed to create temporary file \"%s\": %m", t); } else if (r < 0) - return log_error_errno(r, "Failed to copy \"%s\" to \"%s\": %m", original_path, t); + return log_error_errno(r, "Failed to create temporary file for \"%s\": %m", new_path); *ret_tmp_fn = t; t = NULL; @@ -6114,9 +6114,10 @@ static int get_file_to_edit( return 0; } -static int unit_file_create_dropin( +static int unit_file_create_new( const LookupPaths *paths, const char *unit_name, + const char *suffix, char **ret_new_path, char **ret_tmp_path) { @@ -6127,7 +6128,7 @@ static int unit_file_create_dropin( assert(ret_new_path); assert(ret_tmp_path); - ending = strjoina(unit_name, ".d/override.conf"); + ending = strjoina(unit_name, suffix); r = get_file_to_edit(paths, ending, &tmp_new_path); if (r < 0) return r; @@ -6180,7 +6181,6 @@ static int unit_file_create_copy( r = create_edit_temp_file(tmp_new_path, fragment_path, &tmp_tmp_path); if (r < 0) { - log_error_errno(r, "Failed to create temporary file for \"%s\": %m", tmp_new_path); free(tmp_new_path); return r; } @@ -6291,18 +6291,26 @@ static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) { r = unit_find_paths(bus, *name, &lp, &path, NULL); if (r < 0) return r; - else if (r == 0) - return -ENOENT; - else if (!path) { - // FIXME: support units with path==NULL (no FragmentPath) - log_error("No fragment exists for %s.", *name); - return -ENOENT; + else if (!arg_force) { + if (r == 0) { + log_error("Run 'systemctl edit --force %s' to create a new unit.", *name); + return -ENOENT; + } else if (!path) { + // FIXME: support units with path==NULL (no FragmentPath) + log_error("No fragment exists for %s.", *name); + return -ENOENT; + } + } + + if (path) { + if (arg_full) + r = unit_file_create_copy(&lp, *name, path, &new_path, &tmp_path); + else + r = unit_file_create_new(&lp, *name, ".d/override.conf", &new_path, &tmp_path); + } else { + r = unit_file_create_new(&lp, *name, NULL, &new_path, &tmp_path); } - if (arg_full) - r = unit_file_create_copy(&lp, *name, path, &new_path, &tmp_path); - else - r = unit_file_create_dropin(&lp, *name, &new_path, &tmp_path); if (r < 0) return r;