zsh: prompt / vcs

zsh/.zshrc

@@ -1,5 +1,4 @@
 alias ls='ls --color=auto'
-alias mailx='/usr/local/bin/mailx'
 alias grep='grep --color'
 alias vim='nvim'
 alias vi='nvim'
@@ -8,23 +7,52 @@ alias w3='w3m -T text/html'
 # allow for # to be interpreted as a comment on the command line
 setopt interactivecomments
 
-PROMPT="%B%m:%~> %b"
-
 # cd tricks
 alias -- -='cd -'
 setopt auto_cd # there is no binary by that name in your $PATH, your shell will cd into it that directory
 
+# use vi-style keymap
 bindkey -v
 
 if [ "${TERM}" = "xterm" ]; then
   TERM=xterm-256color
 fi
 
-case $TERM in
-  xterm*|st-256color|rxvt-unicode-256color)
-    print -Pn "\e]0;%m\a"
-    ;;
-esac
+#
+# Prompt setup
+#
+
+# populate colors arrays
+autoload -U colors && colors
+
+# git branch prompt
+autoload -Uz vcs_info
+setopt prompt_subst
+
+precmd_vcs_info() { vcs_info }
+precmd_functions+=( precmd_vcs_info )
+
+# %% escapes '%'
+# %S == "standout" => reverses fg/bg
+# Surround color codes with '%{' and '%}'
+# %r == repo name
+# %b == branch name
+# %S == relative directory
+zstyle ':vcs_info:git*' formats '%%S%r%%s:%{$fg[red]%}%b%{$reset_color%} %S'
+zstyle ':vcs_info:git*' actionformats '%%S%r%%s:%{$fg[red]%}%b:%a%{$reset_color%} %S'
+
+function set_prompt() {
+    if git rev-parse --is-inside-work-tree >/dev/null 2>&1; then
+        PROMPT="%B${vcs_info_msg_0_}> %b"
+    else
+        PROMPT="%B%m:%~> %b"
+    fi
+}
+precmd_functions+=( set_prompt )
+
+#
+# Configure SSH auth sock
+#
 
 if [ -n "$SSH_AUTH_SOCK" ]; then
   if [ "$SSH_AUTH_SOCK" != ~/.ssh/ssh_auth_sock ]; then
@@ -33,6 +61,7 @@ if [ -n "$SSH_AUTH_SOCK" ]; then
   fi
 fi
 
+# setup SSH keys
 if [ -e /usr/bin/keychain ]; then
   eval $(/usr/bin/keychain --eval --agents ssh -Q --quiet id_ed25519)
 fi
@@ -43,33 +72,6 @@ whence -p direnv &>/dev/null && eval "$(direnv hook zsh)"
 # Highlight the current autocomplete option
 zstyle ':completion:*' list-colors "${(s.:.)LS_COLORS}"
 
-# asdf setup
-if [ -e $HOME/.asdf/asdf.sh ]; then
-  . "$HOME/.asdf/asdf.sh"
-  fpath=(${ASDF_DIR}/completions $fpath)
-fi
-
-# git branch prompt
-setopt prompt_subst
-autoload -Uz vcs_info
-zstyle ':vcs_info:*' actionformats \
-    '%F{5}(%f%s%F{5})%F{3}-%F{5}[%F{2}%b%F{3}|%F{1}%a%F{5}]%f '
-zstyle ':vcs_info:*' formats       \
-    '%F{5}(%f%s%F{5})%F{3}-%F{5}[%F{2}%b%F{5}]%f '
-zstyle ':vcs_info:(sv[nk]|bzr):*' branchformat '%b%F{1}:%F{3}%r'
-
-zstyle ':vcs_info:*' enable git cvs svn
-
-
-# Better SSH/Rsync/SCP Autocomplete
-#zstyle ':completion:*:(scp|rsync):*' tag-order ' hosts:-ipaddr:ip\ address hosts:-host:host files'
-#zstyle ':completion:*:(ssh|scp|rsync):*:hosts-host' ignored-patterns '*(.|:)*' loopback ip6-loopback localhost ip6-localhost broadcasthost
-#zstyle ':completion:*:(ssh|scp|rsync):*:hosts-ipaddr' ignored-patterns '^(<->.<->.<->.<->|(|::)([[:xdigit:].]##:(#c,2))##(|%*))' '127.0.0.<->' '255.255.255.255' '::1' 'fe80::*'
-#
-# Allow for autocomplete to be case insensitive
-#zstyle ':completion:*' matcher-list '' 'm:{[:lower:][:upper:]}={[:upper:][:lower:]}' \
-#  '+l:|?=** r:|?=**'
-
 # command line completion for ssh
 h=()
 if [[ -r ~/.ssh/config ]]; then
@@ -85,12 +87,3 @@ fi
 zstyle :compinstall filename '~/.zshrc'
 autoload -Uz compinit
 compinit
-
-# The following lines were added by compinstall
-
-#zstyle ':completion:*' completer _complete _ignored
-#zstyle :compinstall filename '~/.zshrc'
-#
-#autoload -Uz compinit
-#compinit
-# End of lines added by compinstall