From 7c206fe2020e70c30069496ad27e0f9c61367ee3 Mon Sep 17 00:00:00 2001
From: Michael Campagnaro <mikecampo@gmail.com>
Date: Wed, 10 Feb 2021 19:44:00 -0500
Subject: [PATCH] Enable direnv bash hook if program is found

---
 bash/bashrc            | 51 +++++++++++++++++-------------------------
 script_helpers/core.sh | 10 +++++++++
 2 files changed, 31 insertions(+), 30 deletions(-)

diff --git a/bash/bashrc b/bash/bashrc
index bd165cc..d344bed 100644
--- a/bash/bashrc
+++ b/bash/bashrc
@@ -6,8 +6,11 @@ case $- in
       *) return;;
 esac
 
-# Unbreak broken, non-colored terminal
+cd ~
+
+# Unbreak broken, non-colored terminal.
 export TERM=xterm-256color
+color_prompt=yes
 
 # Load the shell environment.
 test -f ~/.env.loader && . ~/.env.loader
@@ -18,11 +21,10 @@ export TMP=/tmp
 export TEMP=/tmp
 export TMPDIR=/tmp
 
-# Customize the shell prompt
+# Customize the shell prompt.
 in_git_work_tree() {
     git rev-parse --is-inside-work-tree &> /dev/null
 }
-
 parse_git_branch() {
     if in_git_work_tree; then
         git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/ (\1)/'
@@ -30,11 +32,9 @@ parse_git_branch() {
 }
 export PS1='\[\033[0;32m\]\[\033[0m\033[0;32m\]\u\[\033[0;36m\] @ \w\[\033[33m\]\n$(parse_git_branch)\[\033[0;32m\]\[\033[0m\033[0;32m\] \$\[\033[0m\033[0;32m\]\[\033[0m\] '
 
-# Git autocompletion
-# Git bash file can be downloaded with: `curl https://raw.githubusercontent.com/git/git/master/contrib/completion/git-completion.bash -o ~/.git-completion.bash`
+# Git autocompletion.
 if [ -f ~/.git-completion.bash ]; then
   . ~/.git-completion.bash
-
   # Git autocompletion fixes for bash aliases
   __git_complete g     __git_main
   __git_complete gco   _git_checkout
@@ -49,51 +49,37 @@ if [ -f ~/.git-completion.bash ]; then
   __git_complete gmnff _git_merge
 fi
 
-cd ~
-
-export NVM_DIR="$HOME/.nvm"
-[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"  # This loads nvm
-[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"  # This loads nvm bash_completion
-
-# Don't use ^D to exit
+# Don't use ^D to exit.
 set -o ignoreeof
 
-# don't put duplicate lines or lines starting with space in the history.
-# See bash(1) for more options
-# don't put duplicate lines or lines starting with space in the history.
-# See bash(1) for more options
+# Don't put duplicate lines or lines starting with space in the history. See bash(1) for more options.
 HISTCONTROL=ignoreboth
 
-# append to the history file, don't overwrite it
+# Append to the history file.
 shopt -s histappend
 
+# Customize history.
 HISTSIZE=20000
 HISTFILESIZE=20000
 HISTIGNORE="&:ls:l:ll:[bf]g:less:clear:cls:exit:history:hist"
 HISTTIMEFORMAT='%F %T '
 
-# check the window size after each command and, if necessary,
-# update the values of LINES and COLUMNS.
+# Check the window size after each command and, if necessary, update the values of LINES and COLUMNS.
 shopt -s checkwinsize
 
-# make less more friendly for non-text input files, see lesspipe(1)
+# Make `less` more friendly for non-text input files, see lesspipe(1).
 [ -x /usr/bin/lesspipe ] && eval "$(SHELL=/bin/sh lesspipe)"
 
-# set a fancy prompt (non-color, unless we know we "want" color)
-case "$TERM" in
-    xterm-color) color_prompt=yes;;
-esac
-
-# colored GCC warnings and errors
+# Colored GCC warnings and errors.
 export GCC_COLORS='error=01;31:warning=01;35:note=01;36:caret=01;32:locus=01:quote=01'
 
-# enable color support of ls and also add handy aliases
+# Enable color support in ls.
 if [ -x /usr/bin/dircolors ]; then
     test -r ~/.dircolors && eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)"
 fi
 
-# enable programmable completion features (you don't need to enable
-# this, if it's already enabled in /etc/bash.bashrc and /etc/profile
+# Enable programmable completion features (you don't need to enable
+# this if it's already enabled in /etc/bash.bashrc and /etc/profile
 # sources /etc/bash.bashrc).
 if ! shopt -oq posix; then
     if [ -f /usr/share/bash-completion/bash_completion ]; then
@@ -103,3 +89,8 @@ if ! shopt -oq posix; then
     fi
 fi
 
+# Enable direnv if it exists.
+if [ -x $GOPATH/bin/direnv.exe ]; then
+    eval "$(direnv.exe hook bash)"
+fi
+
diff --git a/script_helpers/core.sh b/script_helpers/core.sh
index deff54c..18b3011 100644
--- a/script_helpers/core.sh
+++ b/script_helpers/core.sh
@@ -11,3 +11,13 @@ abort() {
   exit 1
 }
 
+# Use this by setting a trap in your script, like so:
+# `trap at_exit EXIT`
+at_exit() {
+    ret=$?
+    if [[ $ret -gt 0 ]]; then
+      error "The script failed with error $ret.\n"
+    fi
+    exit "$ret"
+}
+