analyze: merge {get,set}-log-{level,target} to log-{level,target} (#8020)

Also, service-watchdogs now shows current watchdog state when
no optional argument is provided.

shell-completion/bash/systemd-analyze

@@ -42,11 +42,11 @@ _systemd_analyze() {
         )
 
         local -A VERBS=(
-                [STANDALONE]='time blame plot dump get-log-level get-log-target calendar'
+                [STANDALONE]='time blame plot dump calendar'
                 [CRITICAL_CHAIN]='critical-chain'
                 [DOT]='dot'
-                [LOG_LEVEL]='set-log-level'
-                [LOG_TARGET]='set-log-target'
+                [LOG_LEVEL]='log-level'
+                [LOG_TARGET]='log-target'
                 [VERIFY]='verify'
                 [SECCOMP_FILTER]='syscall-filter'
                 [SERVICE_WATCHDOGS]='service-watchdogs'

shell-completion/zsh/_systemd-analyze

@@ -1,13 +1,13 @@
 #compdef systemd-analyze
 # SPDX-License-Identifier: LGPL-2.1+
 
-_systemd_analyze_set-log-level() {
+_systemd_analyze_log-level() {
     local -a _levels
     _levels=(debug info notice warning err crit alert emerg)
     _describe -t level 'logging level' _levels || compadd "$@"
 }
 
-_systemd_analyze_set-log-target() {
+_systemd_analyze_log-target() {
     local -a _targets
     _targets=(console journal kmsg journal-or-kmsg null)
     _describe -t target 'logging target' _targets || compadd "$@"
@@ -33,10 +33,8 @@ _systemd_analyze_command(){
         'plot:Output SVG graphic showing service initialization'
         'dot:Dump dependency graph (in dot(1) format)'
         'dump:Dump server status'
-        'set-log-level:Set systemd log threshold'
-        'set-log-target:Set systemd log target'
-        'get-log-level:Get systemd log threshold'
-        'get-log-target:Get systemd log target'
+        'log-level:Get/set systemd log threshold'
+        'log-target:Get/set systemd log target'
         'service-watchdogs:Get/set service watchdog status'
         'syscall-filter:List syscalls in seccomp filter'
         'verify:Check unit files for correctness'