systemd: Add reload command

release/config/sing-box.service

@@ -8,6 +8,7 @@ WorkingDirectory=/var/lib/sing-box
 CapabilityBoundingSet=CAP_NET_ADMIN CAP_NET_BIND_SERVICE CAP_SYS_PTRACE CAP_DAC_READ_SEARCH
 AmbientCapabilities=CAP_NET_ADMIN CAP_NET_BIND_SERVICE CAP_SYS_PTRACE CAP_DAC_READ_SEARCH
 ExecStart=/usr/bin/sing-box run -c /etc/sing-box/config.json
+ExecReload=/bin/kill -HUP $MAINPID
 Restart=on-failure
 RestartSec=10s
 LimitNOFILE=infinity

release/config/[email protected]

@@ -8,6 +8,7 @@ WorkingDirectory=/var/lib/sing-box-%i
 CapabilityBoundingSet=CAP_NET_ADMIN CAP_NET_BIND_SERVICE CAP_SYS_PTRACE CAP_DAC_READ_SEARCH
 AmbientCapabilities=CAP_NET_ADMIN CAP_NET_BIND_SERVICE CAP_SYS_PTRACE CAP_DAC_READ_SEARCH
 ExecStart=/usr/bin/sing-box run -c /etc/sing-box/%i.json
+ExecReload=/bin/kill -HUP $MAINPID
 Restart=on-failure
 RestartSec=10s
 LimitNOFILE=infinity

release/local/sing-box.service

@@ -8,6 +8,7 @@ WorkingDirectory=/var/lib/sing-box
 CapabilityBoundingSet=CAP_NET_ADMIN CAP_NET_BIND_SERVICE CAP_SYS_PTRACE CAP_DAC_READ_SEARCH
 AmbientCapabilities=CAP_NET_ADMIN CAP_NET_BIND_SERVICE CAP_SYS_PTRACE CAP_DAC_READ_SEARCH
 ExecStart=/usr/local/bin/sing-box run -c /usr/local/etc/sing-box/config.json
+ExecReload=/bin/kill -HUP $MAINPID
 Restart=on-failure
 RestartSec=10s
 LimitNOFILE=infinity