rkj-repos: code cleanup and updated with functions from lib/git.zsh (thx mcornella)

themes/rkj-repos.zsh-theme

@@ -16,14 +16,15 @@ ZSH_THEME_GIT_PROMPT_DELETED="%{$fg[red]%}✗"
 ZSH_THEME_GIT_PROMPT_RENAMED="%{$fg[blue]%}➦"
 ZSH_THEME_GIT_PROMPT_UNMERGED="%{$fg[magenta]%}✂"
 ZSH_THEME_GIT_PROMPT_UNTRACKED="%{$fg[grey]%}✈"
+ZSH_THEME_GIT_PROMPT_SHA_BEFORE=" %{$fg[grey]%}"
+ZSH_THEME_GIT_PROMPT_SHA_AFTER="%{$reset_color%}"
 
 function mygit() {
-  ref1=$(git symbolic-ref HEAD 2> /dev/null) || return
-  gitdir=$(git rev-parse --git-dir 2> /dev/null) || return
-  heads=($gitdir/refs/heads/*(N)) ; [[ -z $heads ]] && ref2="" || ref2=$(git rev-parse HEAD | head -c 6)
-  ref="$ref1 %{$fg[grey]%}$ref2"
-  #ref=$(git symbolic-ref HEAD 2> /dev/null) $(git rev-parse HEAD | head -c 6) || return
-  echo "$ZSH_THEME_GIT_PROMPT_PREFIX${ref#refs/heads/}$( git_prompt_status )%{$reset_color%}$ZSH_THEME_GIT_PROMPT_SUFFIX "
+  if [[ "$(git config --get oh-my-zsh.hide-status)" != "1" ]]; then
+    ref=$(command git symbolic-ref HEAD 2> /dev/null) || \
+    ref=$(command git rev-parse --short HEAD 2> /dev/null) || return
+    echo "$ZSH_THEME_GIT_PROMPT_PREFIX${ref#refs/heads/}$(git_prompt_short_sha)$( git_prompt_status )%{$reset_color%}$ZSH_THEME_GIT_PROMPT_SUFFIX "
+  fi
 }
 
 function retcode() {}