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diff --git a/.oh-my-zsh/plugins/svn/README.md b/.oh-my-zsh/plugins/svn/README.md
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+# `svn` plugin
+
+This plugin adds some utility functions to display additional information regarding your current
+svn repository. See https://subversion.apache.org/ for the full svn documentation.
+
+To use it, add `svn` to your plugins array:
+
+```zsh
+plugins=(... svn)
+```
+
+## Functions
+
+| Command               | Description                                 |
+|:----------------------|:--------------------------------------------|
+| `svn_prompt_info`     | Shows svn prompt in themes                  |
+| `in_svn`              | Checks if we're in an svn repository        |
+| `svn_get_repo_name`   | Get repository name                         |
+| `svn_get_branch_name` | Get branch name (see [caveats](#caveats))   |
+| `svn_get_rev_nr`      | Get revision number                         |
+| `svn_dirty`           | Checks if there are changes in the svn repo |
+
+## Caveats
+
+The plugin expects the first directory to be the current branch / tag / trunk. So it returns
+the first path element if you don't use branches.
+
+## Usage on themes
+
+To use this in the `agnoster` theme follow these instructions:
+
+1. Enable the svn plugin
+
+2. Add the following lines to your `zshrc` file:
+
+    ```shell
+    prompt_svn() {
+        local rev branch
+        if in_svn; then
+            rev=$(svn_get_rev_nr)
+            branch=$(svn_get_branch_name)
+            if [[ $(svn_dirty_choose_pwd 1 0) -eq 1 ]]; then
+                prompt_segment yellow black
+                echo -n "$rev@$branch"
+                echo -n "±"
+            else
+                prompt_segment green black
+                echo -n "$rev@$branch"
+            fi
+        fi
+    }
+    ```
+
+3. Override the agnoster `build_prompt()` function:
+
+    ```zsh
+    build_prompt() {
+        RETVAL=$?
+        prompt_status
+        prompt_context
+        prompt_dir
+        prompt_git
+        prompt_svn
+        prompt_end
+    }
+    ```
+
diff --git a/.oh-my-zsh/plugins/svn/svn.plugin.zsh b/.oh-my-zsh/plugins/svn/svn.plugin.zsh
new file mode 100644
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+++ b/.oh-my-zsh/plugins/svn/svn.plugin.zsh
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+svn_prompt_info() {
+  local _DISPLAY
+  if in_svn; then
+    if [[ "$SVN_SHOW_BRANCH" = true ]]; then
+      unset SVN_SHOW_BRANCH
+      _DISPLAY=$(svn_get_branch_name)
+    else
+      _DISPLAY=$(svn_get_repo_name)
+      _DISPLAY=$(omz_urldecode "${_DISPLAY}")
+    fi
+    echo "$ZSH_PROMPT_BASE_COLOR$ZSH_THEME_SVN_PROMPT_PREFIX\
+$ZSH_THEME_REPO_NAME_COLOR$_DISPLAY$ZSH_PROMPT_BASE_COLOR$ZSH_THEME_SVN_PROMPT_SUFFIX$ZSH_PROMPT_BASE_COLOR$(svn_dirty)$(svn_dirty_pwd)$ZSH_PROMPT_BASE_COLOR"
+  fi
+}
+
+
+in_svn() {
+  svn info >/dev/null 2>&1
+}
+
+svn_get_repo_name() {
+  if in_svn; then
+    LANG=C svn info | sed -n 's/^Repository\ Root:\ .*\///p' | read SVN_ROOT
+    LANG=C svn info | sed -n "s/^URL:\ .*$SVN_ROOT\///p"
+  fi
+}
+
+svn_get_branch_name() {
+  local _DISPLAY=$(
+    LANG=C svn info 2> /dev/null | \
+      awk -F/ \
+      '/^URL:/ { \
+        for (i=0; i<=NF; i++) { \
+          if ($i == "branches" || $i == "tags" ) { \
+            print $(i+1); \
+            break;\
+          }; \
+          if ($i == "trunk") { print $i; break; } \
+        } \
+      }'
+  )
+
+  if [[ -z "$_DISPLAY" ]]; then
+    svn_get_repo_name
+  else
+    echo $_DISPLAY
+  fi
+}
+
+svn_get_rev_nr() {
+  if in_svn; then
+    LANG=C svn info 2> /dev/null | sed -n 's/Revision:\ //p'
+  fi
+}
+
+svn_dirty() {
+  svn_dirty_choose $ZSH_THEME_SVN_PROMPT_DIRTY $ZSH_THEME_SVN_PROMPT_CLEAN
+}
+
+svn_dirty_choose() {
+  if in_svn; then
+    local root=$(LANG=C svn info 2> /dev/null | sed -n 's/^Working Copy Root Path: //p')
+    if svn status $root 2> /dev/null | command grep -Eq '^\s*[ACDIM!?L]'; then
+      # Grep exits with 0 when "One or more lines were selected", return "dirty".
+      echo $1
+    else
+      # Otherwise, no lines were found, or an error occurred. Return clean.
+      echo $2
+    fi
+  fi
+}
+
+svn_dirty_pwd () {
+  svn_dirty_choose_pwd $ZSH_THEME_SVN_PROMPT_DIRTY_PWD $ZSH_THEME_SVN_PROMPT_CLEAN_PWD
+}
+
+svn_dirty_choose_pwd () {
+  if in_svn; then
+    if svn status "$PWD" 2> /dev/null | command grep -Eq '^\s*[ACDIM!?L]'; then
+      # Grep exits with 0 when "One or more lines were selected", return "dirty".
+      echo $1
+    else
+      # Otherwise, no lines were found, or an error occurred. Return clean.
+      echo $2
+    fi
+  fi
+}