Add my prompt theme

themes/nicoulaj.zsh-theme

+#!/usr/bin/env zsh
+# ------------------------------------------------------------------------------
+# Prompt for the Zsh shell:
+#   * One line.
+#   * VCS info on the right prompt.
+#   * Only shows the path on the left prompt by default.
+#   * Crops the path to a defined length and only shows the path relative to
+#     the current VCS repository root.
+#   * Wears a different color wether the last command succeeded/failed.
+#   * Shows user@hostname if connected through SSH.
+#   * Shows if logged in as root or not.
+# ------------------------------------------------------------------------------
+
+# Customizable parameters.
+PROMPT_PATH_MAX_LENGTH=30
+PROMPT_DEFAULT_END=❯
+PROMPT_ROOT_END=❯❯❯
+PROMPT_SUCCESS_COLOR=$FG[071]
+PROMPT_FAILURE_COLOR=$FG[124]
+PROMPT_VCS_INFO_COLOR=$FG[242]
+
+# Set required options.
+setopt promptsubst
+
+# Load required modules.
+autoload -U add-zsh-hook
+autoload -Uz vcs_info
+
+# Add hook for calling vcs_info before each command.
+add-zsh-hook precmd vcs_info
+
+# Set vcs_info parameters.
+zstyle ':vcs_info:*' enable hg bzr git
+zstyle ':vcs_info:*:*' check-for-changes true # Can be slow on big repos.
+zstyle ':vcs_info:*:*' unstagedstr '!'
+zstyle ':vcs_info:*:*' stagedstr '+'
+zstyle ':vcs_info:*:*' actionformats "%S" "%r/%s/%b %u%c (%a)"
+zstyle ':vcs_info:*:*' formats "%S" "%r/%s/%b %u%c"
+zstyle ':vcs_info:*:*' nvcsformats "%$PROMPT_PATH_MAX_LENGTH<..<%~%<<" ""
+
+# Define prompts.
+PROMPT="%(0?.%{$PROMPT_SUCCESS_COLOR%}.%{$PROMPT_FAILURE_COLOR%})${SSH_TTY:+[%n@%m]}%{$FX[bold]%}%$PROMPT_PATH_MAX_LENGTH<..<"'${vcs_info_msg_0_%%.}'"%<<%(!.$PROMPT_ROOT_END.$PROMPT_DEFAULT_END)%{$FX[no-bold]%}%{$FX[reset]%} "
+RPROMPT="%{$PROMPT_VCS_INFO_COLOR%}"'$vcs_info_msg_1_'"%{$FX[reset]%}"