add .yashrc

1 files changed, 195 insertions, 0 deletions

diff --git a/.yashrc b/.yashrc
new file mode 100644
index 0000000..cedc3b3
--- /dev/null
+++ b/.yashrc
@@ -0,0 +1,195 @@
+[ -e /etc/profile.env ] && . /etc/profile.env
+[ -e ~/.yash_profile ] && . ~/.yash_profile
+
+# >>> prompt <<<
+if [ -n "${SSH_CONNECTION-}" ]; then
+  _hc='\fy.'     # yellow hostname for SSH remote
+else
+  _hc='\fb.'     # blue hostname for local
+fi
+if [ "$(id -u)" -eq 0 ]; then
+  _uc='\fr.'     # red username for root
+  _2c='\fr.'     # red PS2 for root
+else
+  _uc='\fc.'     # cyan username for non-root
+  _2c=           # PS2 in normal color for non-root user
+fi
+
+: ${LOGNAME:=$(logname)}
+: ${HOSTNAME:=$(uname -n)}
+# the main prompt ($YASH_PS1) contains the username, hostname, working
+# directory, last exit status (only if non-zero)
+YASH_PS1=$_uc'${LOGNAME}'$_hc'@${HOSTNAME}\fdi. '\
+'${PWD/#$HOME/\~} \fD.${{?:/0/}:+\\fr.$?\\fd. }\$ '
+
+YASH_PS1P='\fkt.' # predicted command
+YASH_PS1R='\fc.$(git branch --show-current 2>/dev/null)' # on the right
+YASH_PS1S='\fo.'
+
+# following lines
+YASH_PS2=$_2c'> '
+YASH_PS2R=
+YASH_PS2S=$YASH_PS1S
+
+YASH_PS4='\fm.+ '
+YASH_PS4S='\fmo.'
+unset _hc _uc _2c
+# no escape sequences allowed in the POSIXly-correct mode.
+PS1='${LOGNAME}@${HOSTNAME%%.*} '$PS1
+
+# >>> options <<<
+
+# enable bash-like extended expansion
+set --brace-expand
+
+# enable recursive pathname expansion
+set --extended-glob
+
+# don't implicitly expand non-existent variables to empty strings
+set --no-unset
+
+# don't save commands starting with a space in history
+set --hist-space
+
+set --vi
+
+# if yash is built with line-editing enabled...
+if command --identify --builtin-command bindkey >/dev/null; then
+
+  # print job status update ASAP, but only while line-editing
+  set --notify-le
+
+  # some terminfo data are broken; meta flags have to be ignored for UTF-8
+  set --le-no-conv-meta
+
+  # enable command line prediction
+  set --le-predict
+
+  # key bindings for vi mode, some of which are from emacs mode
+  bindkey --vi-insert '\#'  eof-or-delete
+  bindkey --vi-insert '\$'  backward-kill-line
+  bindkey --vi-insert '\N' complete-next-column
+  bindkey --vi-insert '\P' complete-prev-column
+  bindkey --vi-insert '\^A' beginning-of-line
+  bindkey --vi-insert '\^B' backward-char
+  bindkey --vi-insert '\^D' eof-or-delete
+  bindkey --vi-insert '\^E' end-of-line
+  bindkey --vi-insert '\^F' forward-char
+  bindkey --vi-insert '\^K' forward-kill-line
+  bindkey --vi-insert '\^L' clear-and-redraw-all
+  bindkey --vi-insert '\^N' beginning-search-forward
+  bindkey --vi-insert '\^O' clear-candidates
+  bindkey --vi-insert '\^P' beginning-search-backward
+  bindkey --vi-insert '\^U' backward-kill-line
+  bindkey --vi-insert '\^W' backward-delete-viword
+  bindkey --vi-insert '\^Y' put-left
+  bindkey --vi-command '\^L' clear-and-redraw-all
+  bindkey --vi-command '\^N' beginning-search-forward
+  bindkey --vi-command '\^P' beginning-search-backward
+
+fi
+
+# >>> alias <<<
+
+alias -- -='cd -'
+alias la='ls -a'
+alias ll='ls -l'
+alias lla='ll -a'
+alias r='fc -s'
+alias o='xdg-open'
+alias svi='doas vi'
+alias sus='doas s2ram'
+alias off='doas poweroff'
+alias reb='doas reboot'
+
+# ensure job control works as expected
+case $- in (*m*)
+  trap - TSTP TTIN TTOU
+esac
+
+# if the terminal supports color...
+if [ "$(tput colors 2>/dev/null || echo 0)" -ge 8 ]; then
+
+  # make command output colorful
+  if ls --color=auto -d / >/dev/null 2>&1; then
+    ls() { command ls --color=auto "$@"; }
+  fi
+  if grep --color=auto -q X <<<X 2>/dev/null; then
+    grep() { command grep --color=auto "$@"; }
+  fi
+fi
+
+# variables needed for command history
+HISTFILE=$XDG_STATE_HOME/yash_history
+HISTSIZE=5000
+# HISTRMDUP makes prediction less accurate
+# HISTRMDUP=500
+
+# initialize event handlers
+COMMAND_NOT_FOUND_HANDLER=()
+PROMPT_COMMAND=()
+
+# find escape sequence to change terminal window title
+case "$TERM" in
+  (xterm|xterm[+-]*|gnome|gnome[+-]*|putty|putty[+-]*|cygwin)
+    _tsl='\033];' _fsl='\a' ;;
+  (*)
+    _tsl=$( (tput tsl 0; echo) 2>/dev/null |
+    sed -e 's;\\;\\\\;g' -e 's;;\\033;g' -e 's;;\\a;g' -e 's;%;%%;g')
+    _fsl=$( (tput fsl  ; echo) 2>/dev/null |
+    sed -e 's;\\;\\\\;g' -e 's;;\\033;g' -e 's;;\\a;g' -e 's;%;%%;g') ;;
+esac
+# if terminal window title can be changed...
+if [ "$_tsl" ] && [ "$_fsl" ]; then
+
+  # set terminal window title on each prompt
+  _set_term_title()
+  if [ -t 2 ]; then
+    printf "$_tsl"'%s@%s:%s'"$_fsl" "${LOGNAME}" "${HOSTNAME%%.*}" \
+      "${${PWD:/$HOME/\~}/#$HOME\//\~\/}" >&2
+  fi
+  PROMPT_COMMAND=("$PROMPT_COMMAND" '_set_term_title')
+
+  # reset window title when changing host or user
+  ssh() {
+    if [ -t 2 ]; then printf "$_tsl"'ssh %s'"$_fsl" "$*" >&2; fi
+    command ssh "$@"
+  }
+  su() {
+    if [ -t 2 ]; then printf "$_tsl"'su %s'"$_fsl" "$*" >&2; fi
+    command su "$@"
+  }
+  doas() {
+    if [ -t 2 ]; then printf "$_tsl"'doas %s'"$_fsl" "$*" >&2; fi
+    command doas "$@"
+  }
+
+fi
+
+# when a directory name is entered as a command, treat as "cd"
+_autocd()
+if [ -d "$1" ]; then
+  HANDLED=true
+  cd -- "$@"
+  break -i
+fi
+COMMAND_NOT_FOUND_HANDLER=("$COMMAND_NOT_FOUND_HANDLER" '_autocd "$@"')
+
+# treat command names starting with % as "fg"
+_autofg()
+if [ $# -eq 1 ]; then
+  case $1 in (%*)
+    HANDLED=true
+    fg "$1"
+    break -i
+  esac
+fi
+COMMAND_NOT_FOUND_HANDLER=("$COMMAND_NOT_FOUND_HANDLER" '_autofg "$@"')
+
+# print file type when executing non-executable files
+_file_type()
+if [ -e "$1" ] && ! [ -d "$1" ]; then
+  file -- "$1"
+fi
+COMMAND_NOT_FOUND_HANDLER=("$COMMAND_NOT_FOUND_HANDLER" '_file_type "$@"')
+