Git Bash is pretty sluggish overall (compare 1.082s of average runtime under WSL/Ubuntu vs 4.460s in MinTTY). I've narrowed down a whopping 1.479s to the following chunk of code:
# Determine if this terminal supports colors
if test -t 1; then
if [[ -n "$(tput colors)" ]] && [[ "$(tput colors)" -ge 8 ]]; then
MY_APP_FMT_SUPPORTED=true
MY_APP_FMT_BOLD="$(tput bold)"
MY_APP_FMT_UNDERLINE="$(tput smul)"
MY_APP_FMT_INVERSE="$(tput smso)"
MY_APP_FMT_BLACK="$(tput setaf 0)"
MY_APP_FMT_RED="$(tput setaf 1)"
MY_APP_FMT_GREEN="$(tput setaf 2)"
MY_APP_FMT_YELLOW="$(tput setaf 3)"
MY_APP_FMT_BLUE="$(tput setaf 4)"
MY_APP_FMT_MAGENTA="$(tput setaf 5)"
MY_APP_FMT_CYAN="$(tput setaf 6)"
MY_APP_FMT_WHITE="$(tput setaf 7)"
MY_APP_FMT_CODE=$MY_APP_FMT_CYAN
# placing it down below so that option -x doesn't cause bad highlighting
# to persist
MY_APP_FMT_CLEAR="$(tput sgr0)"
fi
fi
Given my understanding of the performance of *nix tools on Windows, I suspect the slowdown is from all the subshells.
- Should these subshells explain the entire slowdown? If not, I'll need to continue researching why Git Bash is still sluggish.
- Is there a more performant way to do this while maintaining terminal compatibility?
You can group tput calls by using
-S
option:Now that you have values in
tvalues
, which you can assign to MY_APP_FMT_...