diff --git a/lib/hg.zsh b/lib/hg.zsh
new file mode 100644
index 000000000..13bde4e5d
--- /dev/null
+++ b/lib/hg.zsh
@@ -0,0 +1,32 @@
+# get the name of the branch we are on
+function hg_prompt_info() {
+  ref=$(hg branch 2> /dev/null) || return
+  echo "$ZSH_THEME_HG_PROMPT_PREFIX${ref}$(hg_prompt_status)$ZSH_THEME_HG_PROMPT_SUFFIX"
+}
+
+parse_hg_dirty () {
+  if [[ -n $(hg status 2> /dev/null) ]]; then
+    echo "$ZSH_THEME_HG_PROMPT_DIRTY"
+  else
+    echo "$ZSH_THEME_HG_PROMPT_CLEAN"
+  fi
+}
+
+# get the status of the working tree
+hg_prompt_status() {
+  INDEX=$(hg status 2> /dev/null)
+  STATUS=""
+  if $(echo "$INDEX" | grep '^? ' &> /dev/null); then
+    STATUS="$ZSH_THEME_HG_PROMPT_UNTRACKED$STATUS"
+  fi
+  if $(echo "$INDEX" | grep '^A ' &> /dev/null); then
+    STATUS="$ZSH_THEME_HG_PROMPT_ADDED$STATUS"
+  fi
+  if $(echo "$INDEX" | grep '^M ' &> /dev/null); then
+    STATUS="$ZSH_THEME_HG_PROMPT_MODIFIED$STATUS"
+  fi
+  if $(echo "$INDEX" | grep '^R ' &> /dev/null); then
+    STATUS="$ZSH_THEME_HG_PROMPT_DELETED$STATUS"
+  fi
+  echo $STATUS
+}
diff --git a/themes/alex.zsh-theme b/themes/alex.zsh-theme
new file mode 100644
index 000000000..496cf00de
--- /dev/null
+++ b/themes/alex.zsh-theme
@@ -0,0 +1,53 @@
+if [ $UID -eq 0 ]; then NCOLOUR="red"; else NCOLOUR="yellow"; fi
+
+ZSH_THEME_GIT_PROMPT_PREFIX="%{$fg_bold[black]%}±"
+ZSH_THEME_GIT_PROMPT_SUFFIX="%{$reset_color%}"
+ZSH_THEME_GIT_PROMPT_DIRTY="!"
+ZSH_THEME_GIT_PROMPT_MODIFIED="!"
+ZSH_THEME_GIT_PROMPT_ADDED="+"
+ZSH_THEME_GIT_PROMPT_UNTRACKED="?"
+ZSH_THEME_GIT_PROMPT_CLEAN=""
+
+ZSH_THEME_HG_PROMPT_PREFIX="%{$fg_bold[black]%}☿"
+ZSH_THEME_HG_PROMPT_SUFFIX="%{$reset_color%}"
+ZSH_THEME_HG_PROMPT_DIRTY="!"
+ZSH_THEME_HG_PROMPT_ADDED="+"
+ZSH_THEME_HG_PROMPT_UNTRACKED="?"
+ZSH_THEME_HG_PROMPT_CLEAN=""
+
+EXIT_CODE_DISPLAY="%(?.%{$fg[green]%}.%{$fg[red]%}%? )"
+ZSH_THEME_EXIT_CODE=$EXIT_CODE_DISPLAY
+PROMPT_COLOUR=%{$fg[$NCOLOUR]%}
+
+PROMPT='${PROMPT_COLOUR}%D{%k:%M} %c ➤ %{$reset_color%}'
+RPROMPT='${ZSH_THEME_EXIT_CODE}$(git_prompt_info)$(hg_prompt_info)%{$reset_color%}'
+
+# See http://geoff.greer.fm/lscolors/
+#               ddllssppxxbbccuuggwwoo
+export LSCOLORS=exgxfxfxcxegedabagaead
+export LS_COLORS='di=34;40:ln=36;40:so=35;40:pi=35;40:ex=32;40:bd=34;46:cd=34;43:su=0;41:sg=0;46:tw=0;44:ow=0;43:'
+
+unfunction precmd
+unfunction preexec
+
+function precmd {
+	settitle "%n@%m: %5(~:%-1~/.../%3~:%~)"
+	}
+
+function preexec {
+	settitle "%n@%m: %5(~:%-1~/.../%3~:%~) - $1"
+	}
+
+function accept-line-and-enable-warning {
+	if [ -z "$BUFFER" ]; then
+		ZSH_THEME_EXIT_CODE=
+		PROMPT_COLOUR=%{$fg[$NCOLOUR]%}
+	else
+		ZSH_THEME_EXIT_CODE=$EXIT_CODE_DISPLAY
+		PROMPT_COLOUR="%(?.%{$fg[$NCOLOUR]%}.%{$fg[red]%})"
+	fi
+	zle accept-line
+	}
+
+zle -N accept-line-and-enable-warning
+bindkey '^M' accept-line-and-enable-warning