From a298aa21ad4b16eea42b37b7bbc317e1a9695e49 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=93scar=20N=C3=A1jera?= <hi@oscarnajera.com>
Date: Tue, 5 Apr 2022 12:30:25 +0200
Subject: Improve coloring of bash

---
 home-dots/dot-bashrc | 42 +++++++++++++++++++++++++++++++++---------
 1 file changed, 33 insertions(+), 9 deletions(-)

diff --git a/home-dots/dot-bashrc b/home-dots/dot-bashrc
index ad6595f..c878c6a 100644
--- a/home-dots/dot-bashrc
+++ b/home-dots/dot-bashrc
@@ -5,11 +5,6 @@
 
 # If not running interactively, don't do anything
 [[ $- != *i* ]] && return
-# GPG agent with ssh
-unset SSH_AGENT_PID
-if [ "${gnupg_SSH_AUTH_SOCK_by:-0}" -ne $$ ]; then
-    export SSH_AUTH_SOCK="$(gpgconf --list-dirs agent-ssh-socket)"
-fi
 # enable color support of ls and also add handy aliases
 if [ -x /usr/bin/dircolors ]; then
     test -r ~/.dircolors && eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)"
@@ -22,6 +17,7 @@ if [ -x /usr/bin/dircolors ]; then
     alias egrep='egrep --color=auto'
 fi
 
+# COLOR THEME
 # Git branch in prompt.
 git_current_branch() {
     local ref
@@ -31,21 +27,49 @@ git_current_branch() {
         [[ $ret == 128 ]] && return # no git repo.
         ref=$(git rev-parse --short HEAD 2>/dev/null) || return
     fi
-    echo ${ref#refs/heads/}
+    echo "  ${ref#refs/heads/}"
+}
+
+function __prompt_command {
+    # Must collect exit code very first thing
+    # Just calculating git_branch changes the exit code
+    local EXIT="$?"
+
+    local red="\[\e[0;31m\]"
+    local green="\[\e[0;32m\]"
+    local yellow="\[\e[0;33m\]"
+    local orange="\[\e[0;91m\]"
+    local normal="\[\e[0m\]"
+    local blue="\[\e[0;34m\]"
+
+    PS1="\u@\h ${green}\w${blue}$(git_current_branch)"
+
+    if [[ "${EXIT}" -ne 0 ]]; then
+        PS1+=" ${red}✗ ${yellow}${EXIT}${orange}"
+    else
+        PS1+="${green}"
+    fi
+    PS1+=" ❯${normal} "
 }
+PROMPT_COMMAND=__prompt_command
 
-export PS1="\u@\h \W\[\033[32m\] \$(git_current_branch)\[\033[00m\] $ "
+# GPG agent with ssh
+unset SSH_AGENT_PID
+if [ "${gnupg_SSH_AUTH_SOCK_by:-0}" -ne $$ ]; then
+    export SSH_AUTH_SOCK="$(gpgconf --list-dirs agent-ssh-socket)"
+fi
 
 export PATH="$HOME/.local/bin:$PATH"
 alias isrun='ps -ae | grep'
 alias gdimg='git difftool -t image_diff'
 alias G='grep -i'
 alias lar='ls -lahrt'
+alias emacs='TERM=xterm-direct emacs'
 alias mykeys='setxkbmap -I$HOME/.config/xkb/ oscar -option caps:escape -print | xkbcomp -I$HOME/.config/xkb/ - $DISPLAY'
 
 # export PATH="$HOME/.cargo/bin:$PATH"
-if [ -e $HOME/.nix-profile/etc/profile.d/nix.sh ]; then . $HOME/.nix-profile/etc/profile.d/nix.sh; fi # added by Nix installer
-[ -f "$HOME/.ghcup/env" ] && source "$HOME/.ghcup/env"                                                # ghcup-env
+if [ -e "$HOME/.nix-profile/etc/profile.d/nix.sh" ]; then . "$HOME/.nix-profile/etc/profile.d/nix.sh"; fi # added by Nix installer
+[ -f "$HOME/.ghcup/env" ] && source "$HOME/.ghcup/env"                                                    # ghcup-env
 GUIX_PROFILE="$HOME/.guix-profile" && [ -e "$GUIX_PROFILE" ] && . "$GUIX_PROFILE/etc/profile" && export GUIX_LOCPATH=$GUIX_PROFILE/lib/locale
 GUIX_PROFILE="$HOME/.config/guix/current" && [ -e "$GUIX_PROFILE" ] && . "$GUIX_PROFILE/etc/profile"
 # export SSL_CERT_DIR="$HOME/.guix-profile/etc/ssl/certs"
-- 
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