From 7b1c37926efefac5369c1b856802d40a4e235e66 Mon Sep 17 00:00:00 2001
From: Julien Palard <julien@palard.fr>
Date: Tue, 16 Jan 2024 10:04:13 +0100
Subject: [PATCH] Halving .bashrc load time.

---
 .bashrc | 36 ++++++++++--------------------------
 1 file changed, 10 insertions(+), 26 deletions(-)

diff --git a/.bashrc b/.bashrc
index 95b359c..95aab9c 100644
--- a/.bashrc
+++ b/.bashrc
@@ -21,11 +21,6 @@ umask 022
 
 CDPATH="~/src/"
 
-if [ -n "$DISPLAY" ]
-then
-    xset b off
-fi
-
 # http://nion.modprobe.de/blog/archives/572-less-colors-for-man-pages.html
 export LESS_TERMCAP_mb=$'\E[01;31m'    # debut de blink
 export LESS_TERMCAP_md=$'\E[01;31m'    # debut de gras
@@ -51,7 +46,7 @@ alias ls='ls --color=auto'
 alias fingerprint='find /etc/ssh -name "*.pub" -exec ssh-keygen -l -f {} \;'
 alias rekey='ssh-add -e /usr/lib/x86_64-linux-gnu/opensc-pkcs11.so >/dev/null 2>&1; ssh-add -s /usr/lib/x86_64-linux-gnu/opensc-pkcs11.so'
 
-while read -r _ _ dest src
+while read -r _ _ dest src  # costs 9ms
 do
    if [[ (! -f "$HOME/$dest") || $(( RANDOM % 100 )) == 0 ]]
    then
@@ -64,7 +59,7 @@ do
 done < <(grep '^# Download ' $HOME/.bashrc)
 unset dest src
 
-. /etc/bash_completion
+. /etc/bash_completion  # costs 6ms
 
 if [[ "$TERM" != 'dumb' ]]
 then
@@ -72,25 +67,9 @@ then
 else
     _TITLE=''
 fi
+
 _PREV_FAIL="\`PREV_FAIL=\$?; if [ \$PREV_FAIL != 0 ]; then echo \[\e[31m\]\$PREV_FAIL \[\e[0m\]; fi\`"
 
-GIT_RED_FG='\e[38;2;244;77;39m'
-GIT_RED_BG='\e[48;2;244;77;39m'
-PY_BLUE_FG='\e[38;2;53;112;160m'
-PY_BLUE_BG='\e[48;2;53;112;160m'
-PY_YELLOW_FG='\e[38;2;255;222;87m'
-
-HOSTNAME_SUM=$(cksum <(hostname) | cut -d' ' -f1)
-HOSTNAME_BOLD=$(( ($HOSTNAME_SUM + 1) % 2))
-HOSTNAME_HUE=$(( ($HOSTNAME_SUM + 3) % 6 + 31))
-
-USERNAME_SUM=$(($(cksum <(whoami) | cut -d' ' -f1) + 5))  # + 5 so root gots red.
-USERNAME_BOLD=$(( ($USERNAME_SUM + 1) % 2))
-USERNAME_HUE=$(( ($USERNAME_SUM + 2) % 6 + 31))
-
-HOSTNAME_COLOR=$'\E'"[$HOSTNAME_BOLD;${HOSTNAME_HUE}m"
-USERNAME_COLOR=$'\E'"[$USERNAME_BOLD;${USERNAME_HUE}m"
-
 git_prompt()
 {
     # Wrapper around __git_ps1
@@ -101,6 +80,13 @@ git_prompt()
     fi
 }
 
+GIT_RED_FG='\e[38;2;244;77;39m'
+GIT_RED_BG='\e[48;2;244;77;39m'
+PY_BLUE_FG='\e[38;2;53;112;160m'
+PY_BLUE_BG='\e[48;2;53;112;160m'
+PY_YELLOW_FG='\e[38;2;255;222;87m'
+HOSTNAME_COLOR=$'\E[1;34m'
+USERNAME_COLOR=$'\E[1;35m'
 PY_PS1='$(python_prompt "${PY_BLUE_FG}🭮${PY_BLUE_BG}${PY_YELLOW_FG}  %s \e[0m${PY_BLUE_FG}🭬\e[0m")'
 GIT_PS1='$(git_prompt "${GIT_RED_FG}🭮${GIT_RED_BG}\e[97m  %s \e[0m${GIT_RED_FG}🭬\e[0m")'
 PS1="${_TITLE}${_PREV_FAIL}${USERNAME_COLOR}\u\e[0m@${HOSTNAME_COLOR}\H\e[0m:\e[32m\w\e[0m${PY_PS1}${GIT_PS1}\n\$ "
@@ -123,5 +109,3 @@ venv()
     printf "VIRTUAL_ENV=.venv\nlayout python3\n" > .envrc
     direnv allow .
 }
-
-mkdir -p ~/.cache/ssh/  # See .ssh/config/, it's for ControlPath.