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# Copyright (c) Microsoft Corporation. All rights reserved.
# SPDX-License-Identifier: MIT
builtin autoload -Uz add-zsh-hook
# Prevent the script recursing when setting up
if [ -n "$VSCODE_SHELL_INTEGRATION" ]; then
ZDOTDIR=$USER_ZDOTDIR
builtin return
fi
# This variable allows the shell to both detect that VS Code's shell integration is enabled as well
# as disable it by unsetting the variable.
VSCODE_SHELL_INTEGRATION=1
# By default, zsh will set the $HISTFILE to the $ZDOTDIR location automatically. In the case of the
# shell integration being injected, this means that the terminal will use a different history file
# to other terminals. To fix this issue, set $HISTFILE back to the default location before ~/.zshrc
# is called as that may depend upon the value.
if [[ "$VSCODE_INJECTION" == "1" ]]; then
HISTFILE=$USER_ZDOTDIR/.zsh_history
fi
# Only fix up ZDOTDIR if shell integration was injected (not manually installed) and has not been called yet
if [[ "$VSCODE_INJECTION" == "1" ]]; then
if [[ $options[norcs] = off && -f $USER_ZDOTDIR/.zshrc ]]; then
VSCODE_ZDOTDIR=$ZDOTDIR
ZDOTDIR=$USER_ZDOTDIR
# A user's custom HISTFILE location might be set when their .zshrc file is sourced below
. $USER_ZDOTDIR/.zshrc
fi
fi
# Shell integration was disabled by the shell, exit without warning assuming either the shell has
# explicitly disabled shell integration as it's incompatible or it implements the protocol.
if [ -z "$VSCODE_SHELL_INTEGRATION" ]; then
builtin return
fi
# The property (P) and command (E) codes embed values which require escaping.
# Backslashes are doubled. Non-alphanumeric characters are converted to escaped hex.
__vsc_escape_value() {
builtin emulate -L zsh
# Process text byte by byte, not by codepoint.
builtin local LC_ALL=C str="$1" i byte token out=''
for (( i = 0; i < ${#str}; ++i )); do
byte="${str:$i:1}"
# Escape backslashes and semi-colons
if [ "$byte" = "\\" ]; then
token="\\\\"
elif [ "$byte" = ";" ]; then
token="\\x3b"
else
token="$byte"
fi
out+="$token"
done
builtin print -r "$out"
}
__vsc_in_command_execution="1"
__vsc_current_command=""
__vsc_prompt_start() {
builtin printf '\e]633;A\a'
}
__vsc_prompt_end() {
builtin printf '\e]633;B\a'
}
__vsc_update_cwd() {
builtin printf '\e]633;P;Cwd=%s\a' "$(__vsc_escape_value "${PWD}")"
}
__vsc_command_output_start() {
builtin printf '\e]633;C\a'
builtin printf '\e]633;E;%s\a' "${__vsc_current_command}"
}
__vsc_continuation_start() {
builtin printf '\e]633;F\a'
}
__vsc_continuation_end() {
builtin printf '\e]633;G\a'
}
__vsc_right_prompt_start() {
builtin printf '\e]633;H\a'
}
__vsc_right_prompt_end() {
builtin printf '\e]633;I\a'
}
__vsc_command_complete() {
if [[ "$__vsc_current_command" == "" ]]; then
builtin printf '\e]633;D\a'
else
builtin printf '\e]633;D;%s\a' "$__vsc_status"
fi
__vsc_update_cwd
}
if [[ -o NOUNSET ]]; then
if [ -z "${RPROMPT-}" ]; then
RPROMPT=""
fi
fi
__vsc_update_prompt() {
__vsc_prior_prompt="$PS1"
__vsc_prior_prompt2="$PS2"
__vsc_in_command_execution=""
PS1="%{$(__vsc_prompt_start)%}$PS1%{$(__vsc_prompt_end)%}"
PS2="%{$(__vsc_continuation_start)%}$PS2%{$(__vsc_continuation_end)%}"
if [ -n "$RPROMPT" ]; then
__vsc_prior_rprompt="$RPROMPT"
RPROMPT="%{$(__vsc_right_prompt_start)%}$RPROMPT%{$(__vsc_right_prompt_end)%}"
fi
}
__vsc_precmd() {
local __vsc_status="$?"
if [ -z "${__vsc_in_command_execution-}" ]; then
# not in command execution
__vsc_command_output_start
fi
__vsc_command_complete "$__vsc_status"
__vsc_current_command=""
# in command execution
if [ -n "$__vsc_in_command_execution" ]; then
# non null
__vsc_update_prompt
fi
}
__vsc_preexec() {
PS1="$__vsc_prior_prompt"
PS2="$__vsc_prior_prompt2"
if [ -n "$RPROMPT" ]; then
RPROMPT="$__vsc_prior_rprompt"
fi
__vsc_in_command_execution="1"
__vsc_current_command=$2
__vsc_command_output_start
}
add-zsh-hook precmd __vsc_precmd
add-zsh-hook preexec __vsc_preexec
if [[ $options[login] = off && $USER_ZDOTDIR != $VSCODE_ZDOTDIR ]]; then
ZDOTDIR=$USER_ZDOTDIR
fi
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