Setup the initial bash infrastructure

.bash_profile

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+if [[ -f ~/.bashrc ]]; then
+  . ~/.bashrc
+fi

.bashrc

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+if [[ $- != *i* ]]; then
+  return
+fi
+
+###
+# Default Environment
+###
+
+__set_PATH() {
+  local path paths=("$HOME"/bin {/usr{/local,},}/{,s}bin)
+  printf -v path %s: "${paths[@]}"
+  export PATH=${path%:}
+}
+
+__set_ENV() {
+  local var
+
+  declare -A env=(
+    [EDITOR]=nano
+    [PAGER]=less
+    [LESSHISTFILE]=-
+    [HISTCONTROL]=ignoreboth
+  )
+
+  for var in "${!env[@]}"; do
+    export "$var"="${env[$var]}"
+  done
+}
+
+__set_SHOPTS() {
+  local shopts=(
+    {null,ext,dot}glob globstar cmdhist
+    hostcomplete checkwinsize checkhash
+  )
+
+  shopt -s "${shopts[@]}"
+}
+
+__set_PATH
+__set_ENV
+__set_SHOPTS
+
+ulimit -c unlimited
+
+###
+# Search Path Manager
+###
+
+add_path() {
+  local path paths path_list=( )
+  declare -A uniq_paths
+  IFS=: read -ra paths <<< "$PATH"
+
+  for path in "$@" "${paths[@]}"; do
+    if [[ ! -v uniq_paths[$path] ]]; then
+      uniq_paths[$path]=42
+      path_list+=("$path")
+    fi
+  done
+
+  printf -v path %s: "${path_list[@]}"
+  export PATH=${path%:}
+}
+ 
+###
+# Library loader
+###
+
+for dot in ~/bin/dotlib/*.sh; do
+  . "$dot"
+done

Makefile

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+install: ~/.bash_profile ~/.bashrc
+	mkdir -p ~/bin/dotlib
+	cp -r dotlib/*.sh ~/bin/dotlib
+
+~/.bash_profile: .bash_profile
+	cp -f .bash_profile ~/.bash_profile
+
+~/.bashrc: .bashrc
+	cp -f .bashrc ~/.bashrc

dotlib/homebrew.sh

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+export HOMEBREW_NO_AUTO_UPDATE=grrr
+export HOMEBREW_NO_ANALYTICS=lol
+export HOMEBREW_NO_ENV_HINTS=thunderfury
+export HOMEBREW_NO_INSECURE_REDIRECT=pirates

dotlib/prompt.sh

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+read -r month day < <(date "+%m %d")
+
+if (( 10#$month == 3 && 10#$day < 18 )); then
+  if (( 17 - 10#$day == 0 )); then
+    printf "Happy Saint Patrick's day!\n"
+  else
+    printf "Only %d days left until Saint Patrick's day!\n" "$(( 17 - 10#$day ))"
+  fi
+
+  holiday=🍀
+elif (( 10#$month == 10 )); then
+  if (( 31 - 10#$day == 0 )); then
+    printf 'Have a spooky halloween!\n'
+  else
+    printf 'Only %d days left until Halloween!\n' "$(( 31 - 10#$day ))"
+  fi
+
+  holiday=🎃
+elif (( 10#$month == 12 && 10#$day < 26 )); then
+  if (( 25 - 10#$day == 0 )); then
+    printf 'Merry Christmas!\n'
+  else
+    printf 'Only %d days left until Christmas!\n' "$(( 25 - 10#$day ))"
+  fi
+
+  holiday=🌲
+fi
+
+setup-prompt() {
+  tput sgr0
+
+  if [[ -d .git ]]; then
+    git_branch=" $(command git branch --show-current)"
+  else
+    git_branch=
+  fi
+}
+
+PROMPT_COMMAND=setup-prompt
+PS1='\w$git_branch'
+
+if [[ -v SSH_CLIENT ]]; then
+  if [[ -v HOSTNAME ]]; then
+    PS1+=' $HOSTNAME'
+  else
+    PS1+=' $(hostname)'
+  fi
+fi
+
+PS1+=' ${holiday-λ} '

dotlib/ruby.sh

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+if [[ -d ~/.rvm && -s ~/.rvm/scripts/rvm ]]; then
+  . ~/.rvm/scripts/rvm
+  add_path ~/.rvm/bin
+fi

dotlib/tab.sh

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+_ssh_hosts() {
+  mapfile -t hosts < <(awk 'tolower($1) == "host" { print $2 }' ~/.ssh/config)
+  mapfile -t COMPREPLY < <(compgen -W "${hosts[*]}" -- "${COMP_WORDS[COMP_CWORD]}")
+  return 0
+}
+
+complete -o default -F _ssh_hosts ssh scp ssh-copy-id sftp
+
+_make_targets() {
+  local arg prev file targets
+
+  if [[ -f makefile ]]; then
+    file=makefile
+  elif [[ -f Makefile ]]; then
+    file=Makefile
+  fi
+
+  for arg in "${COMP_WORDS[@]}"; do
+    if [[ $prev = -f ]]; then
+      file=$arg
+    elif [[ $arg = -f* ]]; then
+      file=${arg#-f}
+    fi
+
+    prev=$arg
+  done
+
+  mapfile -t targets < <(
+    awk '$1 ~ /:$/ && $1 !~ /^\./ { gsub(/:$/, "", $1); print $1 }' "$file"
+  )
+
+  mapfile -t COMPREPLY < <(
+    compgen -W "${targets[*]}" -- "${COMP_WORDS[COMP_CWORD]}"
+  )
+}
+
+complete -o default -F _make_targets make gmake

dotlib/util.sh

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+###
+# Utilities
+###
+
+ll() {
+  command ls -AlF "$@"
+}
+
+ssh() {
+  TERM=xterm-256color command ssh "$@"
+}
+
+awk-find() {
+  if (( $# > 1 )); then
+    local find_in=${TO_FIND:-.} file pattern=$1 to_find=( )
+ 
+    for file in "${@:2}"; do
+      to_find+=(-name "$file" -o)
+    done
+ 
+    find "$find_in" -not -name . "(" "${to_find[@]::${#to_find[@]} - 1}" ")" -print0 |
+      awk -F / -v RS="\0" "$pattern"
+  fi
+}