aks: only define the colors once

git-prompt-colors.sh

@@ -1,19 +1,9 @@
 # These are the color definitions used by gitprompt.sh
 
-declare -g GIT_PROMPT_PREFIX
+define_git_prompt_colors() {
-declare -g GIT_PROMPT_SUFFIX
+
-declare -g GIT_PROMPT_SEPARATOR
+  Time12a="\$(date +%H:%M)"
-declare -g GIT_PROMPT_BRANCH
+  PathShort="\w"
-declare -g GIT_PROMPT_STAGED
-declare -g GIT_PROMPT_CONFLICTS
-declare -g GIT_PROMPT_CHANGED
-declare -g GIT_PROMPT_REMOTE
-declare -g GIT_PROMPT_UNTRACKED
-declare -g GIT_PROMPT_STASHED
-declare -g GIT_PROMPT_CLEAN
-
-local Time12a="\$(date +%H:%M)"
-local PathShort="\w"
 
   # These are the color definitions used by gitprompt.sh
   GIT_PROMPT_PREFIX="["                 # start of the git info string
@@ -42,3 +32,9 @@ GIT_PROMPT_END_ROOT=" \n${White}${Time12a}${ResetColor} # "
   GIT_PROMPT_SYMBOLS_AHEAD="↑·"         # The symbol for "n versions ahead of origin"
   GIT_PROMPT_SYMBOLS_BEHIND="↓·"        # The symbol for "n versions behind of origin"
   GIT_PROMPT_SYMBOLS_PREHASH=":"        # Written before hash of commit, if no name could be found
+}
+
+if [[ -z "$GIT_PROMPT_SEPARATOR" || -z "$GIT_PROMPT_COMMAND_OK" ]]; then
+  define_git_prompt_colors
+fi
+