[PATCH 3/3] vcs_info svn: Fix infinite loop when /.svn exists.

[Daniel Shahaf <danielsh@apache.org>]

---
 Functions/VCS_Info/Backends/VCS_INFO_get_data_svn | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/Functions/VCS_Info/Backends/VCS_INFO_get_data_svn b/Functions/VCS_Info/Backends/VCS_INFO_get_data_svn
index c1547950f..21590addd 100644
--- a/Functions/VCS_Info/Backends/VCS_INFO_get_data_svn
+++ b/Functions/VCS_Info/Backends/VCS_INFO_get_data_svn
@@ -46,17 +46,19 @@ if (( ${+svninfo[Working_Copy_Root_Path]} )); then
   ${vcs_comm[cmd]} info --non-interactive -- "${svnbase}" | while IFS=: read a b; do svninfo[${a// /_}]="${b## #}"; done
 else
   # svn 1.0-1.6
-  while [[ -d "${svnbase}/../.svn" ]]; do
+  svnbase=${svnbase:P}
+  while [[ -d "${svnbase:h}/.svn" ]]; do
       parentinfo=()
-      ${vcs_comm[cmd]} info --non-interactive -- "${svnbase}/.." | while IFS=: read a b; do parentinfo[${a// /_}]="${b## #}"; done
+      ${vcs_comm[cmd]} info --non-interactive -- "${svnbase:h}" | while IFS=: read a b; do parentinfo[${a// /_}]="${b## #}"; done
       [[ ${parentinfo[Repository_UUID]} != ${svninfo[Repository_UUID]} ]] && break
       svninfo=(${(kv)parentinfo})
-      svnbase="${svnbase}/.."
+      svnbase=${svnbase:h}
+      if [[ $svnbase == '/' ]]; then
+	  break
+      fi
   done
 fi
 
-svnbase=${svnbase:P}
-
 rrn=${svnbase:t}
 zstyle -s ":vcs_info:${vcs}:${usercontext}:${rrn}" branchformat svnbranch || svnbranch="%b:%r"
 hook_com=( branch "${svninfo[URL]##*/}" revision "${cwdinfo[Revision]}" )