mirror of
https://github.com/Llewellynvdm/starship.git
synced 2024-06-01 16:10:51 +00:00
65 lines
2.4 KiB
Bash
65 lines
2.4 KiB
Bash
# ZSH has a quirk where `preexec` is only run if a command is actually run (i.e
|
|
# pressing ENTER at an empty command line will not cause preexec to fire). This
|
|
# can cause timing issues, as a user who presses "ENTER" without running a command
|
|
# will see the time to the start of the last command, which may be very large.
|
|
|
|
# To fix this, we create STARSHIP_START_TIME upon preexec() firing, and destroy it
|
|
# after drawing the prompt. This ensures that the timing for one command is only
|
|
# ever drawn once (for the prompt immediately after it is run).
|
|
|
|
zmodload zsh/parameter # Needed to access jobstates variable for NUM_JOBS
|
|
|
|
starship_render() {
|
|
# Use length of jobstates array as number of jobs. Expansion fails inside
|
|
# quotes so we set it here and then use the value later on.
|
|
NUM_JOBS=$#jobstates
|
|
PROMPT="$(::STARSHIP:: prompt --keymap="${KEYMAP-}" --status=$STATUS --cmd-duration=${STARSHIP_DURATION-} --jobs="$NUM_JOBS")"
|
|
}
|
|
|
|
# Will be run before every prompt draw
|
|
starship_precmd() {
|
|
# Save the status, because commands in this pipeline will change $?
|
|
STATUS=$?
|
|
|
|
# Compute cmd_duration, if we have a time to consume, otherwise clear the
|
|
# previous duration
|
|
if [[ -n "${STARSHIP_START_TIME+1}" ]]; then
|
|
STARSHIP_END_TIME=$(::STARSHIP:: time)
|
|
STARSHIP_DURATION=$((STARSHIP_END_TIME - STARSHIP_START_TIME))
|
|
unset STARSHIP_START_TIME
|
|
else
|
|
unset STARSHIP_DURATION
|
|
fi
|
|
|
|
# Render the updated prompt
|
|
starship_render
|
|
}
|
|
starship_preexec() {
|
|
STARSHIP_START_TIME=$(::STARSHIP:: time)
|
|
}
|
|
|
|
# If precmd/preexec arrays are not already set, set them. If we don't do this,
|
|
# the code to detect whether starship_precmd is already in precmd_functions will
|
|
# fail because the array doesn't exist (and same for starship_preexec)
|
|
[[ -z "${precmd_functions+1}" ]] && precmd_functions=()
|
|
[[ -z "${preexec_functions+1}" ]] && preexec_functions=()
|
|
|
|
# If starship precmd/preexec functions are already hooked, don't double-hook them
|
|
# to avoid unnecessary performance degradation in nested shells
|
|
if [[ -z ${precmd_functions[(re)starship_precmd]} ]]; then
|
|
precmd_functions+=(starship_precmd)
|
|
fi
|
|
if [[ -z ${preexec_function[(re)starship_preexec]} ]]; then
|
|
preexec_functions+=(starship_preexec)
|
|
fi
|
|
|
|
# Set up a function to redraw the prompt if the user switches vi modes
|
|
zle-keymap-select() {
|
|
starship_render
|
|
zle reset-prompt
|
|
}
|
|
|
|
STARSHIP_START_TIME=$(::STARSHIP:: time)
|
|
zle -N zle-keymap-select
|
|
export STARSHIP_SHELL="zsh"
|