diff --git a/.zsh/lib/git_prompt.zsh b/.zsh/lib/git_prompt.zsh
new file mode 100644
index 0000000..66734a8
--- /dev/null
+++ b/.zsh/lib/git_prompt.zsh
@@ -0,0 +1,70 @@
+# Source: Josh Dick https://gist.github.com/joshdick/4415470
+
+# Adapted from code found at <https://gist.github.com/1712320>.
+
+setopt prompt_subst
+autoload -U colors && colors # Enable colors in prompt
+
+# Modify the colors and symbols in these variables as desired.
+GIT_PROMPT_SYMBOL="%{$fg[blue]%}±"
+GIT_PROMPT_PREFIX="%{$fg[green]%}[%{$reset_color%}"
+GIT_PROMPT_SUFFIX="%{$fg[green]%}]%{$reset_color%}"
+GIT_PROMPT_AHEAD="%{$fg[red]%}ANUM%{$reset_color%}"
+GIT_PROMPT_BEHIND="%{$fg[cyan]%}BNUM%{$reset_color%}"
+GIT_PROMPT_MERGING="%{$fg[magenta]%}⚡︎%{$reset_color%}"
+GIT_PROMPT_UNTRACKED="%{$fg[red]%}●%{$reset_color%}"
+GIT_PROMPT_MODIFIED="%{$fg[yellow]%}●%{$reset_color%}"
+GIT_PROMPT_STAGED="%{$fg[green]%}●%{$reset_color%}"
+
+# Show Git branch/tag, or name-rev if on detached head
+parse_git_branch() {
+  (git symbolic-ref -q HEAD || git name-rev --name-only --no-undefined --always HEAD) 2> /dev/null
+}
+
+# Show different symbols as appropriate for various Git repository states
+parse_git_state() {
+
+  # Compose this value via multiple conditional appends.
+  local GIT_STATE=""
+
+  local NUM_AHEAD="$(git log --oneline @{u}.. 2> /dev/null | wc -l | tr -d ' ')"
+  if [ "$NUM_AHEAD" -gt 0 ]; then
+    GIT_STATE=$GIT_STATE${GIT_PROMPT_AHEAD//NUM/$NUM_AHEAD}
+  fi
+
+  local NUM_BEHIND="$(git log --oneline ..@{u} 2> /dev/null | wc -l | tr -d ' ')"
+  if [ "$NUM_BEHIND" -gt 0 ]; then
+    GIT_STATE=$GIT_STATE${GIT_PROMPT_BEHIND//NUM/$NUM_BEHIND}
+  fi
+
+  local GIT_DIR="$(git rev-parse --git-dir 2> /dev/null)"
+  if [ -n $GIT_DIR ] && test -r $GIT_DIR/MERGE_HEAD; then
+    GIT_STATE=$GIT_STATE$GIT_PROMPT_MERGING
+  fi
+
+  if [[ -n $(git ls-files --other --exclude-standard 2> /dev/null) ]]; then
+    GIT_STATE=$GIT_STATE$GIT_PROMPT_UNTRACKED
+  fi
+
+  if ! git diff --quiet 2> /dev/null; then
+    GIT_STATE=$GIT_STATE$GIT_PROMPT_MODIFIED
+  fi
+
+  if ! git diff --cached --quiet 2> /dev/null; then
+    GIT_STATE=$GIT_STATE$GIT_PROMPT_STAGED
+  fi
+
+  if [[ -n $GIT_STATE ]]; then
+    echo "$GIT_PROMPT_PREFIX$GIT_STATE$GIT_PROMPT_SUFFIX"
+  fi
+
+}
+
+# If inside a Git repository, print its branch and state
+git_prompt_string() {
+  local git_where="$(parse_git_branch)"
+  [ -n "$git_where" ] && echo "$GIT_PROMPT_SYMBOL$(parse_git_state)$GIT_PROMPT_PREFIX%{$fg[yellow]%}${git_where#(refs/heads/|tags/)}$GIT_PROMPT_SUFFIX"
+}
+
+# Set the right-hand prompt
+RPS1='$(git_prompt_string)'
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