added support for subversion 1.7 for svn plugin

plugins/svn/svn.plugin.zsh

-
-function svn_prompt_info {
-    if [ $(in_svn) ]; then
+# vim:ft=zsh ts=2 sw=2 sts=2
+#
+function svn_prompt_info() {
+  if in_svn; then
     if [ "x$SVN_SHOW_BRANCH" = "xtrue" ]; then
       unset SVN_SHOW_BRANCH
       _DISPLAY=$(svn_get_branch_name)
@@ -15,21 +16,34 @@ $ZSH_THEME_REPO_NAME_COLOR$_DISPLAY$ZSH_PROMPT_BASE_COLOR$ZSH_THEME_SVN_PROMPT_S
 
 
 function in_svn() {
-    if [[ -d .svn ]]; then
-        echo 1
+  if $(svn info >/dev/null 2>&1); then
+    return 0
   fi
+  return 1
 }
 
-function svn_get_repo_name {
-    if [ $(in_svn) ]; then
+function svn_get_repo_name() {
+  if in_svn; then
     svn info | sed -n 's/Repository\ Root:\ .*\///p' | read SVN_ROOT
-
     svn info | sed -n "s/URL:\ .*$SVN_ROOT\///p"
   fi
 }
 
-function svn_get_branch_name {
-    _DISPLAY=$(svn info 2> /dev/null | awk -F/ '/^URL:/ { for (i=0; i<=NF; i++) { if ($i == "branches" || $i == "tags" ) { print $(i+1); break }; if ($i == "trunk") { print $i; break } } }')
+function svn_get_branch_name() {
+  _DISPLAY=$(
+    svn info 2> /dev/null | \
+      awk -F/ \
+      '/^URL:/ { \
+        for (i=0; i<=NF; i++) { \
+          if ($i == "branches" || $i == "tags" ) { \
+            print $(i+1); \
+            break;\
+          }; \
+          if ($i == "trunk") { print $i; break; } \
+        } \
+      }'
+  )
+  
   if [ "x$_DISPLAY" = "x" ]; then
     svn_get_repo_name
   else
@@ -38,16 +52,16 @@ function svn_get_branch_name {
   unset _DISPLAY
 }
 
-function svn_get_rev_nr {
-    if [ $(in_svn) ]; then
-        svn info 2> /dev/null | sed -n s/Revision:\ //p
+function svn_get_rev_nr() {
+  if in_svn; then
+    svn info 2> /dev/null | sed -n 's/Revision:\ //p'
   fi
 }
 
-function svn_dirty_choose {
-    if [ $(in_svn) ]; then
-        svn status 2> /dev/null | grep -Eq '^\s*[ACDIM!?L]'
-        if [ $pipestatus[-1] -eq 0 ]; then
+function svn_dirty_choose() {
+  if in_svn; then
+    root=`svn info 2> /dev/null | sed -n 's/^Working Copy Root Path: //p'`
+    if $(svn status $root 2> /dev/null | grep -Eq '^\s*[ACDIM!?L]'); then
       # Grep exits with 0 when "One or more lines were selected", return "dirty".
       echo $1
     else
@@ -57,6 +71,6 @@ function svn_dirty_choose {
   fi
 }
 
-function svn_dirty {
+function svn_dirty() {
   svn_dirty_choose $ZSH_THEME_SVN_PROMPT_DIRTY $ZSH_THEME_SVN_PROMPT_CLEAN
 }