replace readme help

README.md

@@ -55,30 +55,18 @@ nix run "github:daylinmorgan/oizys"
 
 ```
 nix begat oizys
-
 Usage:
-  oizys [command]
+  oizys {SUBCMD} [sub-command options & parameters]
 
-Available Commands:
+subcommands:
+  help   print comprehensive or per-cmd help
   build  nix build
   cache  build and push to cachix
-  checks                  nix build checks
-  ci                      offload build to GHA
-  dry                     poor man's nix flake check
-  help                    Help about any command
-  os                      nixos-rebuild wrapper
-  output                  show nixosConfiguration attr
-  update                  update and run nixos rebuild
-
-Flags:
-      --debug          show debug output
-      --flake string   path to flake ($OIZYS_DIR or $HOME/oizys)
-  -h, --help           help for oizys
-      --host string    host(s) to build (current host)
-      --reset-cache    set narinfo-cache-negative-ttl to 0
-  -v, --verbose        show verbose output
-
-Use "oizys [command] --help" for more information about a command.
+  ci     trigger GHA update flow
+  dry    dry run build
+  os     nixos-rebuild
+  output output
+  update update and run nixos-rebuild
 ```
 
 ## oizys?

pkgs/oizys-nim/src/oizys.nim

@@ -95,10 +95,9 @@ proc setupCligen() =
   let isColor = getEnv("NO_COLOR") == ""
   if clCfg.useMulti == "":
     clCfg.useMulti =
-      if isColor:
-        "${doc}\e[1mUsage\e[m:\n  $command {SUBCMD} [sub-command options & parameters]\n\n\e[1msubcommands\e[m:\n$subcmds"
-      else:
-        "${doc}Usage:\n  $command {SUBCMD} [sub-command options & parameters]\n\nsubcommands:\n$subcmds"
+      if isColor: "${doc}\e[1mUsage\e[m:\n  $command {SUBCMD} [sub-command options & parameters]\n\n\e[1msubcommands\e[m:\n$subcmds"
+      else: "${doc}Usage:\n  $command {SUBCMD} [sub-command options & parameters]\n\nsubcommands:\n$subcmds"
+
   if not isColor: return
   if clCfg.helpAttr.len == 0:
     clCfg.helpAttr = {"cmd": "\e[1;36m", "clDescrip": "", "clDflVal": "\e[33m",