feat: Implement auto-detection of subexecutor

lib/00subexecutor.zsh

@@ -0,0 +1,44 @@
+## Provides auto-detection of subexecutor to use
+
+# If in the future a new subexecuter is created, we only need to edit this array
+typeset _KNOWN_SUBEXES=( "doas" "sudo" )
+typeset _SUBEX
+
+function _SetupSubexecutor() {
+  local _i
+  local _cmd
+  zstyle -s ':omz' 'subexecutor' _SUBEX
+  if [[ "$_SUBEX" ]]; then
+    if command -v "$_SUBEX" > /dev/null; then
+      return 0
+    fi
+    print "Cannot find subexecutor '${_SUBEX}'; please check your configuration!" >&2
+    return 1
+  fi
+  for _i in "${_KNOWN_SUBEXES[@]}"; do
+    if command -v "$_i" > /dev/null; then
+      _SUBEX="$_i"
+      break
+    fi
+  done
+  if [[ -z $_SUBEX ]]; then
+    print "oh-my-zsh: cannot auto-detect subexecutor; please specify explicitly using 'zstyle :omz subexecutor'." >&2
+    return 1
+  fi
+  zstyle ':omz' 'subexecutor' "$_SUBEX"
+}
+
+_SetupSubexecutor
+unfunction _SetupSubexecutor
+unset _KNOWN_SUBEXES
+
+# The alias provides a 'hardcoded', invariant subexecutor to use throughout the shell session
+alias _="$_SUBEX "
+
+# The function is, in contrast, modifiable by changing the :omz->subexecutor zstyle
+function subex() {
+  local _subex
+  zstyle -s ':omz' 'subexecutor' _subex
+  ${_subex} "$@"
+}
+

lib/correction.zsh

@@ -3,8 +3,11 @@ if [[ "$ENABLE_CORRECTION" == "true" ]]; then
   alias man='nocorrect man'
   alias mkdir='nocorrect mkdir'
   alias mv='nocorrect mv'
-  alias sudo='nocorrect sudo'
   alias su='nocorrect su'
 
+  zstyle -s ':omz' 'subexecutor' _subex
+  alias "$_subex"="nocorrect $_subex"
+  unset _subex
+
   setopt correct_all
 fi

lib/misc.zsh

@@ -27,9 +27,6 @@ elif (( ${+commands[more]} )); then
   env_default 'PAGER' 'more'
 fi
 
-## super user alias
-alias _='sudo '
-
 ## more intelligent acking for ubuntu users and no alias for users without ack
 if (( $+commands[ack-grep] )); then
   alias afind='ack-grep -il'

lib/termsupport.zsh

@@ -95,8 +95,10 @@ function omz_termsupport_preexec {
     fi
   fi
 
-  # cmd name only, or if this is sudo or ssh, the next cmd
+  # cmd name only, or if this is doas/sudo or ssh, the next cmd
-  local CMD="${1[(wr)^(*=*|sudo|ssh|mosh|rake|-*)]:gs/%/%%}"
+  local _subex
+  zstyle -s ':omz' 'subexecutor' _subex
+  local CMD="${1[(wr)^(*=*|${_subex}|_|subex|mosh|rake|-*)]:gs/%/%%}"
   local LINE="${2:gs/%/%%}"
 
   title "$CMD" "%100>...>${LINE}%<<"