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/******************************************************************************
__ ____ __
/ / ___ ____ _/ __/_____________ _/ /__
/ / / _ \/ __ `/ /_/ ___/ ___/ __ `/ / _ \
/ /___/ __/ /_/ / __(__ ) /__/ /_/ / / __/
/_____/\___/\__,_/_/ /____/\___/\__,_/_/\___/
(C)opyright 2025-2026, Leafscale, LLC - https://www.leafscale.com
Project: zygctl
Filename: main.reef
Authors: Chris Tusa <chris.tusa@leafscale.com>
License: <see LICENSE file included with this source code>
Description: Administrative CLI for zyginit service manager
******************************************************************************/
module zygctl
import sys.args as args
import sys.env as env
import sys.process as process
import net.unix as unix
import io.file
import io.dir
import core.str
import version
extern "C" fn zyginit_symlink(target: string, linkpath: string): int
extern "C" fn zyginit_isatty(fd: int): int
fn client_should_be_plain(): bool
if env.has_env("NO_COLOR") return true end if
if zyginit_isatty(1) == 0 return true end if
let term = env.get_env_or("TERM", "")
if str.length(term) == 0 return true end if
if term == "dumb" return true end if
return false
end client_should_be_plain
fn SOCKET_PATH(): string
return env.get_env_or("ZYGINIT_SOCKET", "/var/run/zyginit.sock")
end SOCKET_PATH
fn CONFIG_DIR(): string
return env.get_env_or("ZYGINIT_CONFIG_DIR", "/etc/zyginit")
end CONFIG_DIR
proc main()
let argc = args.count()
if argc < 2
print_usage()
return
end if
let command = args.get(1)
// Local commands (no daemon needed)
if command == "help" or command == "--help" or command == "-h"
print_usage()
return
end if
if command == "version" or command == "--version"
println("zygctl " + version.VERSION())
return
end if
// Local commands that operate on the filesystem directly
if command == "enable"
if argc < 3
println("error: usage: zygctl enable <service>")
return
end if
cmd_enable(args.get(2))
return
end if
if command == "disable"
if argc < 3
println("error: usage: zygctl disable <service>")
return
end if
cmd_disable(args.get(2))
return
end if
// single/multi are forwarded to zyginit's socket — handled there.
// (Earlier versions of zygctl had local stubs for these; removed
// now that the daemon implements runlevel transitions.)
// TTY-aware dispatch for status and list:
// When stdout is not a TTY (piped/redirected), or when NO_COLOR is set,
// append PLAIN so the daemon sends plain text without ANSI escapes.
if command == "status"
mut req = "status"
if client_should_be_plain()
req = "status plain"
end if
if argc >= 3
req = str.concat(req, " ")
req = str.concat(req, args.get(2))
end if
req = str.concat(req, "\n")
let fd = unix.unix_connect(SOCKET_PATH())
if fd < 0
println("zygctl: cannot connect to zyginit at " + SOCKET_PATH())
println("zygctl: is zyginit running?")
return
end if
unix.unix_send(fd, req)
let resp = unix.unix_recv(fd, 4096)
unix.unix_close(fd)
if str.length(resp) > 0
print(resp)
end if
return
end if
if command == "list"
mut req = "list"
if client_should_be_plain()
req = "list plain"
end if
req = str.concat(req, "\n")
let fd = unix.unix_connect(SOCKET_PATH())
if fd < 0
println("zygctl: cannot connect to zyginit at " + SOCKET_PATH())
println("zygctl: is zyginit running?")
return
end if
unix.unix_send(fd, req)
let resp = unix.unix_recv(fd, 4096)
unix.unix_close(fd)
if str.length(resp) > 0
print(resp)
end if
return
end if
// Build the message to send to zyginit
mut message = command
if argc >= 3
message = str.concat(message, " ")
message = str.concat(message, args.get(2))
end if
message = str.concat(message, "\n")
// Connect to zyginit socket
let sock_path = SOCKET_PATH()
let fd = unix.unix_connect(sock_path)
if fd < 0
println("zygctl: cannot connect to zyginit at " + sock_path)
println("zygctl: is zyginit running?")
return
end if
// Send command
unix.unix_send(fd, message)
// Read response
let response = unix.unix_recv(fd, 4096)
unix.unix_close(fd)
if str.length(response) > 0
print(response)
end if
end main
// ============================================================================
// Local commands — enable/disable (filesystem operations, no daemon needed)
// ============================================================================
proc cmd_enable(name: string)
let config_dir = CONFIG_DIR()
let svc_dir = str.concat(str.concat(config_dir, "/services/"), name)
if not dir.dir_exists(svc_dir)
println("error: no service definition found: " + svc_dir)
return
end if
let enabled_dir = str.concat(config_dir, "/enabled.d")
// Create enabled.d/ if it does not exist
if not dir.dir_exists(enabled_dir)
if not dir.create_dir(enabled_dir)
println("error: cannot create " + enabled_dir)
return
end if
end if
let link_path = str.concat(str.concat(enabled_dir, "/"), name)
if file.fileExists(link_path)
println(name + " is already enabled")
return
end if
// Create symlink: enabled.d/<name> -> ../services/<name>
let target = str.concat("../services/", name)
let rc = zyginit_symlink(target, link_path)
if rc < 0
println("error: failed to create symlink for " + name)
return
end if
println(name + " enabled")
end cmd_enable
proc cmd_disable(name: string)
let config_dir = CONFIG_DIR()
let enabled_dir = str.concat(config_dir, "/enabled.d")
let link_path = str.concat(str.concat(enabled_dir, "/"), name)
if not file.fileExists(link_path)
println(name + " is not enabled")
return
end if
if file.deleteFile(link_path)
println(name + " disabled")
else
println("error: failed to remove " + link_path)
end if
end cmd_disable
// ============================================================================
// Usage
// ============================================================================
proc print_usage()
println("zygctl — zyginit service control")
println("")
println("Usage: zygctl <command> [argument]")
println("")
println("Commands:")
println(" status [name] Show service status (all or one)")
println(" start <name> Start a service")
println(" stop <name> Stop a service")
println(" restart <name> Restart a service")
println(" enable <name> Enable a service (symlink in enabled.d/)")
println(" disable <name> Disable a service (remove from enabled.d/)")
println(" reload Reload service configuration")
println(" replace [--wait=N]")
println(" Replace running zyginit via execve(/sbin/init);")
println(" keeps services alive across the swap")
println(" log <name> Show service output log")
println(" list List all service definitions")
println(" halt Cleanly stop all services and halt the system")
println(" reboot Cleanly stop all services and reboot")
println(" poweroff Cleanly stop all services and power off")
println(" single Transition to single-user (recovery) mode")
println(" multi Transition to multi-user mode")
println(" version Show version")
println(" help Show this help")
println("")
println("Environment:")
println(" ZYGINIT_SOCKET Socket path (default: /var/run/zyginit.sock)")
println(" ZYGINIT_CONFIG_DIR Config directory (default: /etc/zyginit)")
end print_usage
end module
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