Quote unit names in suggested systemctl commandlines

The fact that unit names have to be quoted can be a bit surprising.
Show quotes in the hint commandline, but only after checking that this
is necessary, since quotes are visually heavy and usually not needed.

https://bugs.freedesktop.org/show_bug.cgi?id=82832

diff --git a/src/core/job.c b/src/core/job.c
index 5e4987f4e2b289b4f1296a25a718066e0d9a76b4..ef5dbce1a336af9464db91c34d77de8d39c5895a 100644 (file)
--- a/src/core/job.c
+++ b/src/core/job.c
@@ -632,11 +632,18 @@ static void job_print_status_message(Unit *u, JobType t, JobResult result) {
                                 unit_status_printf(u, ANSI_GREEN_ON "  OK  " ANSI_HIGHLIGHT_OFF, format);
                         break;
 
-                case JOB_FAILED:
+                case JOB_FAILED: {
+                        bool quotes;
+
+                        quotes = chars_intersect(u->id, SHELL_NEED_QUOTES);
+
                         manager_flip_auto_status(u->manager, true);
                         unit_status_printf(u, ANSI_HIGHLIGHT_RED_ON "FAILED" ANSI_HIGHLIGHT_OFF, format);
-                        manager_status_printf(u->manager, false, NULL, "See 'systemctl status %s' for details.", u->id);
+                        manager_status_printf(u->manager, false, NULL,
+                                              "See \"systemctl status %s%s%s\" for details.",
+                                              quotes ? "'" : "", u->id, quotes ? "'" : "");
                         break;
+                }
 
                 case JOB_DEPENDENCY:
                         manager_flip_auto_status(u->manager, true);

diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index 65348193b7ca914545c352e1b8116e7bf5ab8b7c..de43c879a72227b43f3c52fb7790ab719b66e42f 100644 (file)
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -2351,8 +2351,18 @@ static int check_wait_response(WaitData *d) {
                         log_error("Job for %s canceled.", strna(d->name));
                 else if (streq(d->result, "dependency"))
                         log_error("A dependency job for %s failed. See 'journalctl -xn' for details.", strna(d->name));
-                else if (!streq(d->result, "done") && !streq(d->result, "skipped"))
-                        log_error("Job for %s failed. See 'systemctl status %s' and 'journalctl -xn' for details.", strna(d->name), strna(d->name));
+                else if (!streq(d->result, "done") && !streq(d->result, "skipped")) {
+                        if (d->name) {
+                                bool quotes;
+
+                                quotes = chars_intersect(d->name, SHELL_NEED_QUOTES);
+
+                                log_error("Job for %s failed. See \"systemctl status %s%s%s\" and \"journalctl -xn\" for details.",
+                                          d->name,
+                                          quotes ? "'" : "", d->name, quotes ? "'" : "");
+                        } else
+                                log_error("Job failed. See \"journalctl -xn\" for details.");
+                }
         }
 
         if (streq(d->result, "timeout"))