svn-fast-info: fix svn-fast-info printfs (#7140)

The svn-fast-info plugin printf commands was not well formatted, now it can handle empty
variables. Also removed redundant spaces.

Co-authored-by: RazManor <Raz.Manor@valens.com>
Co-authored-by: Marc Cornellà <marc.cornella@live.com>

plugins/svn-fast-info/svn-fast-info.plugin.zsh

@@ -16,30 +16,30 @@ function svn_prompt_info() {
 
   if [[ -n $repo_need_upgrade ]]; then
     printf '%s%s%s%s%s%s%s\n' \
-      $ZSH_PROMPT_BASE_COLOR \
-      $ZSH_THEME_SVN_PROMPT_PREFIX \
-      $ZSH_PROMPT_BASE_COLOR \
-      $repo_need_upgrade \
-      $ZSH_PROMPT_BASE_COLOR \
-      $ZSH_THEME_SVN_PROMPT_SUFFIX \
-      $ZSH_PROMPT_BASE_COLOR
+      "$ZSH_PROMPT_BASE_COLOR" \
+      "$ZSH_THEME_SVN_PROMPT_PREFIX" \
+      "$ZSH_PROMPT_BASE_COLOR" \
+      "$repo_need_upgrade" \
+      "$ZSH_PROMPT_BASE_COLOR" \
+      "$ZSH_THEME_SVN_PROMPT_SUFFIX" \
+      "$ZSH_PROMPT_BASE_COLOR"
   else
-    printf '%s%s%s %s%s:%s%s%s%s%s' \
-      $ZSH_PROMPT_BASE_COLOR \
-      $ZSH_THEME_SVN_PROMPT_PREFIX \
+    printf '%s%s%s%s %s%s%s:%s%s%s%s' \
+      "$ZSH_PROMPT_BASE_COLOR" \
+      "$ZSH_THEME_SVN_PROMPT_PREFIX" \
       \
       "$(svn_status_info $info)" \
-      $ZSH_PROMPT_BASE_COLOR \
+      "$ZSH_PROMPT_BASE_COLOR" \
       \
-      $ZSH_THEME_BRANCH_NAME_COLOR \
-      $(svn_current_branch_name $info) \
-      $ZSH_PROMPT_BASE_COLOR \
+      "$ZSH_THEME_BRANCH_NAME_COLOR" \
+      "$(svn_current_branch_name $info)" \
+      "$ZSH_PROMPT_BASE_COLOR" \
       \
-      $(svn_current_revision $info) \
-      $ZSH_PROMPT_BASE_COLOR \
+      "$(svn_current_revision $info)" \
+      "$ZSH_PROMPT_BASE_COLOR" \
       \
-      $ZSH_THEME_SVN_PROMPT_SUFFIX \
-      $ZSH_PROMPT_BASE_COLOR
+      "$ZSH_THEME_SVN_PROMPT_SUFFIX" \
+      "$ZSH_PROMPT_BASE_COLOR"
   fi
 }
 
@@ -63,11 +63,12 @@ function svn_current_revision() {
 function svn_status_info() {
   local svn_status_string="$ZSH_THEME_SVN_PROMPT_CLEAN"
   local svn_status="$(svn status 2> /dev/null)";
-  if command grep -E '^\s*A' &> /dev/null <<< $svn_status; then svn_status_string="$svn_status_string ${ZSH_THEME_SVN_PROMPT_ADDITIONS:-+}"; fi
-  if command grep -E '^\s*D' &> /dev/null <<< $svn_status; then svn_status_string="$svn_status_string ${ZSH_THEME_SVN_PROMPT_DELETIONS:-✖}"; fi
-  if command grep -E '^\s*M' &> /dev/null <<< $svn_status; then svn_status_string="$svn_status_string ${ZSH_THEME_SVN_PROMPT_MODIFICATIONS:-✎}"; fi
-  if command grep -E '^\s*[R~]' &> /dev/null <<< $svn_status; then svn_status_string="$svn_status_string ${ZSH_THEME_SVN_PROMPT_REPLACEMENTS:-∿}"; fi
-  if command grep -E '^\s*\?' &> /dev/null <<< $svn_status; then svn_status_string="$svn_status_string ${ZSH_THEME_SVN_PROMPT_UNTRACKED:-?}"; fi
-  if command grep -E '^\s*[CI!L]' &> /dev/null <<< $svn_status; then svn_status_string="$svn_status_string ${ZSH_THEME_SVN_PROMPT_DIRTY:-'!'}"; fi
+  if command grep -E '^\s*A' &> /dev/null <<< $svn_status; then svn_status_string="$svn_status_string${ZSH_THEME_SVN_PROMPT_ADDITIONS:-+}"; fi
+  if command grep -E '^\s*D' &> /dev/null <<< $svn_status; then svn_status_string="$svn_status_string${ZSH_THEME_SVN_PROMPT_DELETIONS:-✖}"; fi
+  if command grep -E '^\s*M' &> /dev/null <<< $svn_status; then svn_status_string="$svn_status_string${ZSH_THEME_SVN_PROMPT_MODIFICATIONS:-✎}"; fi
+  if command grep -E '^\s*[R~]' &> /dev/null <<< $svn_status; then svn_status_string="$svn_status_string${ZSH_THEME_SVN_PROMPT_REPLACEMENTS:-∿}"; fi
+  if command grep -E '^\s*\?' &> /dev/null <<< $svn_status; then svn_status_string="$svn_status_string${ZSH_THEME_SVN_PROMPT_UNTRACKED:-?}"; fi
+  if command grep -E '^\s*[CI!L]' &> /dev/null <<< $svn_status; then svn_status_string="$svn_status_string${ZSH_THEME_SVN_PROMPT_DIRTY:-!}"; fi
   echo $svn_status_string
 }
+