More about yash

Author: agkozak

LICENSE

@@ -1,4 +1,4 @@
-Copyright 2017-2021 Alexandros Kozak
+Copyright 2017-2022 Alexandros Kozak
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -8,7 +8,7 @@
 
 # Polyglot Prompt
 
-The **Polyglot Prompt** is a dynamic prompt for `zsh`, `bash`, `ksh93`, `mksh`, `pdksh`, `dash`, and `busybox ash` that uses basic ASCII symbols (and color, when possible) to show:
+The **Polyglot Prompt** is a dynamic prompt for `zsh`, `bash`, `ksh93`, `mksh`, `pdksh`, `dash`, `yash`, and `busybox ash` that uses basic ASCII symbols (and color, when possible) to show:
 
 * the username
 * whether a session is local or remote over SSH

polyglot.sh

@@ -7,7 +7,7 @@
 #
 # Polyglot Prompt
 #
-# A dynamic color Git prompt for zsh, bash, ksh93, mksh, pdksh, dash, and
+# A dynamic color Git prompt for zsh, bash, ksh93, mksh, pdksh, dash, yash, and
 # busybox ash
 #
 #
@@ -30,7 +30,7 @@
 #   ~/.../bar/bat/quux
 #
 #
-# Copyright 2017-2021 Alexandros Kozak
+# Copyright 2017-2022 Alexandros Kozak
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to
@@ -327,17 +327,8 @@ _polyglot_basename() {
 # Tests to see if the current shell is busybox ash
 ###########################################################
 _polyglot_is_busybox() {
-  case $(_polyglot_basename "${0#-}") in
-    ash|sh)
-      if command -v readlink > /dev/null 2>&1; then
-        case $(exec 2> /dev/null; readlink /proc/$$/exe) in
-          */busybox) return 0 ;;
-          *) return 1 ;;
-        esac
-      else
-        return 1
-      fi
-      ;;
+  case $(help 2> /dev/null) in
+    'Built-in commands:'*) return 0 ;;
     *) return 1 ;;
   esac
 }
@@ -727,51 +718,24 @@ elif _polyglot_is_pdksh || [ "${0#-}" = 'dash' ] || _polyglot_is_busybox ||
     PS1=$PS1'$(_polyglot_branch_status $POLYGLOT_KSH_BANG)'
     PS1=$PS1$(print "$POLYGLOT_NP\033[0m$POLYGLOT_NP")
     PS1=$PS1' \$ '
-  
+
   elif _polyglot_is_yash && _polyglot_has_colors; then
     PS1='\[\e[01;31m\]$(_polyglot_exit_status $?)\[\e[0m\]'
     PS1=$PS1'$(_polyglot_venv)'
-    PS1=$PS1'\[\e[01;32m\]${LOGNAME:-$(logname)}$POLYGLOT_HOSTNAME_STRING\[\e[0m\] '
+    if ! _polyglot_is_superuser; then
+      PS1=$PS1'\[\e[01;32m\]${LOGNAME:-$(logname)}$POLYGLOT_HOSTNAME_STRING\[\e[0m\] '
+    else
+      PS1=$PS1'\[\e[7m\]${LOGNAME:-$(logname)}$POLYGLOT_HOSTNAME_STRING\[\e[0m\] '
+    fi
     PS1=$PS1'\[\e[01;34m\]$(_polyglot_prompt_dirtrim "$POLYGLOT_PROMPT_DIRTRIM")\[\e[0m\]'
     PS1=$PS1'\[\e[33m\]$(_polyglot_branch_status $POLYGLOT_KSH_BANG)\[\e[0m\] \$ '
-  elif ! _polyglot_is_superuser; then
-    PS1='$(_polyglot_exit_status $?)$(_polyglot_venv)${LOGNAME:-$(logname)}$POLYGLOT_HOSTNAME_STRING $(_polyglot_prompt_dirtrim "$POLYGLOT_PROMPT_DIRTRIM")$(_polyglot_branch_status $POLYGLOT_KSH_BANG) \$ '
-  else  # Superuser
-
-    ##########################################################
-    # Tests to see if the terminal is the DragonFly BSD system
-    # console, which displays color in pdksh badly.
-    ##########################################################
-    _polyglot_is_dragonfly_console() {
-      case ${POLYGLOT_UNAME:=$(uname -s)} in
-        DragonFly)
-          case $(who am i) in
-            *ttyv*) return 0 ;;
-            *) return 1 ;;
-          esac
-          ;;
-        *) return 1 ;;
-      esac
-    }
-
-    PS1=
-    _polyglot_is_pdksh && ! _polyglot_is_dragonfly_console && PS1=$(print "$POLYGLOT_NP\r")
-    PS1=$PS1'$(_polyglot_exit_status $?)'
-    if _polyglot_is_pdksh && ! _polyglot_is_dragonfly_console; then
-      case $POLYGLOT_UNAME in
-        NetBSD|OpenBSD) PS1="$PS1$(print "$POLYGLOT_NP")" ;;
-      esac
+  else
+    PS1='$(_polyglot_exit_status $?)$(_polyglot_venv)${LOGNAME:-$(logname)}$POLYGLOT_HOSTNAME_STRING $(_polyglot_prompt_dirtrim "$POLYGLOT_PROMPT_DIRTRIM")$(_polyglot_branch_status $POLYGLOT_KSH_BANG) '
+    if ! _polyglot_is_superuser; then
+      PS1=$PS1'$ '
+    else
+      PS1=$PS1'# '
     fi
-    PS1=$PS1'$(_polyglot_venv)'
-    # shellcheck disable=SC2025
-    ! _polyglot_is_dragonfly_console && [ "${0#-}" != 'dash' ] && PS1="$PS1\033[7m"
-    _polyglot_is_pdksh && ! _polyglot_is_dragonfly_console && PS1=$PS1$(print "$POLYGLOT_NP")
-    PS1=$PS1'${LOGNAME:-$(logname)}$POLYGLOT_HOSTNAME_STRING'
-    _polyglot_is_pdksh && ! _polyglot_is_dragonfly_console && PS1=$PS1$(print "$POLYGLOT_NP")
-    # shellcheck disable=SC2025
-    ! _polyglot_is_dragonfly_console && [ "${0#-}" != 'dash' ] && PS1="$PS1\033[0m"
-    _polyglot_is_pdksh && ! _polyglot_is_dragonfly_console && PS1=$PS1$(print "$POLYGLOT_NP")
-    PS1=$PS1' $(_polyglot_prompt_dirtrim "$POLYGLOT_PROMPT_DIRTRIM")$(_polyglot_branch_status $POLYGLOT_KSH_BANG) # '
   fi
 else
   printf '%s\n' 'Polyglot Prompt does not support your shell.' >&2