151 lines
4.9 KiB
Bash
151 lines
4.9 KiB
Bash
# Copyright © 2012 Christian Persch
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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# Not bash or zsh?
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[ -n "${BASH_VERSION:-}" -o -n "${ZSH_VERSION:-}" ] || return 0
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# Not an interactive shell?
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[[ $- == *i* ]] || return 0
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# Not running under vte?
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[ "${VTE_VERSION:-0}" -ge 3405 ] || return 0
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# TERM not supported?
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case "$TERM" in
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xterm*|vte*|gnome*) :;;
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*) return 0 ;;
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esac
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__vte_termprop_signal() {
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local errsv="$?"
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printf '\033]666;%s!\033\\' "$1"
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return $errsv
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}
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__vte_termprop_set() {
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local errsv="$?"
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printf '\033]666;%s=%s\033\\' "$1" "$2"
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return $errsv
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}
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__vte_termprop_reset() {
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local errsv="$?"
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printf '\033]666;%s\033\\' "$1"
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return $errsv
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}
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__vte_osc7 () {
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local errsv="$?"
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printf "\033]7;file://%s%s\033\\" "${HOSTNAME}" "$(/usr/libexec/vte-urlencode-cwd)"
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return $errsv
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}
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__vte_precmd() {
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local errsv="$?"
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__vte_termprop_set "vte.shell.postexec" "$?"
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__vte_termprop_signal "vte.shell.precmd"
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return $errsv;
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}
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__vte_prompt_command() {
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local errsv="$?"
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__vte_termprop_set "vte.shell.postexec" "$errsv"
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__vte_osc7
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local pwd='~'
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[ "$PWD" != "$HOME" ] && pwd=${PWD/#$HOME\//\~\/}
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pwd="${pwd//[[:cntrl:]]}"
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printf "\033]0;%s@%s:%s\033\\" "${USER}" "${HOSTNAME%%.*}" "${pwd}"
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__vte_termprop_signal "vte.shell.precmd"
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return $errsv
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}
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if [[ -n "${BASH_VERSION:-}" ]]; then
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# Newer bash versions support PROMPT_COMMAND as an array. In this case
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# only add the __vte_osc7 function to it, and leave setting the terminal
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# title to the outside setup.
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# On older bash, we can only overwrite the whole PROMPT_COMMAND, so must
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# use the __vte_prompt_command function which also sets the title.
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if [[ "$(declare -p PROMPT_COMMAND 2>&1)" =~ "declare -a" ]]; then
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PROMPT_COMMAND+=(__vte_precmd)
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PROMPT_COMMAND+=(__vte_osc7)
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else
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PROMPT_COMMAND="__vte_prompt_command"
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fi
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PS0=$(__vte_termprop_signal "vte.shell.preexec")
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# Shell integration
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if [[ "$PS1" != *\]133\;* ]]; then
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# Enclose the primary prompt between
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# ← OSC 133;D;retval ST (report exit status of previous command)
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# ← OSC 133;A ST (mark beginning of prompt)
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# → OSC 133;B ST (mark end of prompt, beginning of command line)
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PS1='\[\e]133;D;$?\e\\\e]133;A\e\\\]'"$PS1"'\[\e]133;B\e\\\]'
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# Prepend OSC 133;L ST for a conditional newline if the previous
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# command's output didn't end in one.
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# This is not done here by default, in order to provide the default
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# visual behavior of shells. Uncomment if you want this feature.
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#PS1='\[\e]133;L\e\\\]'"$PS1"
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# iTerm2 doesn't touch the secondary prompt.
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# Konsole encloses it between 133;A and 133;B.
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# For efficient jumping between commands, we follow iTerm2 by default
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# and don't mark PS2 as prompt. Uncomment if you want to mark it.
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#PS2='\[\e]133;A\e\\\]'"$PS2"'\[\e]133;B\e\\\]'
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# Mark the beginning of the command's output by OSC 133;C ST.
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# '\r' ensures that the kernel's cooked mode has the right idea of
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# the column, important for handling TAB followed by BS keypresses.
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# Prepend to the user's PS0 to preserve whether it ends in '\r'.
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# Note that bash doesn't support the \[ \] markers here.
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PS0='\e]133;C\e\\\r'"${PS0:-}"
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fi
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elif [[ -n "${ZSH_VERSION:-}" ]]; then
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precmd_functions+=(__vte_osc7)
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precmd_functions+=(__vte_precmd)
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# Shell integration (see the bash counterpart for more detailed comments)
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if [[ "$PS1" != *\]133\;* ]]; then
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# Enclose the primary prompt between D;retval, A and B.
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PS1=$'%{\e]133;D;%?\e\\\e]133;A\e\\%}'"$PS1"$'%{\e]133;B\e\\%}'
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# Prepend L for conditional newline (skipped).
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#PS1=$'%{\e]133;L\e\\%}'"$PS1"
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# Secondary prompt (skipped).
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#PS2=$'%{\e]133;A\e\\%}'"$PS2"$'%{\e]133;B\e\\%}'
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# Mark the beginning of output by C.
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# The execution order is: the single function possibly hooked up
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# in $preexec, followed by all the functions hooked up in the
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# $preexec_functions array. Ensure that we are the very first.
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__vte_preexec() {
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local errsv="$?"
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printf '\e]133;C\e\\\r'
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return $errsv
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}
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preexec_functions=(__vte_preexec $preexec $preexec_functions)
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unset preexec
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fi
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fi
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return 0
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