new faster SVN plugin

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

+# vim:ft=zsh ts=2 sw=2 sts=2
+#
+# Faster alternative to the current SVN plugin implementation.
+#
+# Works with svn 1.6, 1.7, 1.8.
+# Use `svn_prompt_info` method to enquire the svn data.
+# It's faster because his efficient use of svn (single svn call) done in the `parse_svn` function
+# Also changed prompt suffix *after* the svn dirty marker
+#
+# *** IMPORTANT *** DO NO USE with the simple svn plugin, this plugin acts as a replacement of it.
+
+function parse_svn() {
+    info=$(svn info 2> /dev/null) || return
+    in_svn=true
+	repo_need_upgrade="$(svn_repo_need_upgrade $info)"
+    svn_branch_name="$(svn_get_branch_name $info)"
+    svn_dirty="$(svn_dirty_choose)"
+    svn_repo_name="$(svn_get_repo_name $info)"
+    svn_rev="$(svn_get_revision $info)"
+}
+
+function svn_prompt_info() {
+    eval parse_svn
+
+    if [ ${in_svn} ]; then
+        echo "$ZSH_PROMPT_BASE_COLOR$ZSH_THEME_SVN_PROMPT_PREFIX\
+$ZSH_THEME_REPO_NAME_COLOR${svn_branch_name}\
+$ZSH_PROMPT_BASE_COLOR${svn_dirty}\
+$ZSH_PROMPT_BASE_COLOR$ZSH_THEME_SVN_PROMPT_SUFFIX\
+$ZSH_PROMPT_BASE_COLOR"
+    fi
+}
+
+
+function svn_repo_need_upgrade() {
+	info=$1
+	[ -z "${info}" ] && info=$(svn info 2> /dev/null)
+	[ "${info}" = "E155036" ] && echo "upgrade repo with svn upgrade"
+}
+
+function svn_get_branch_name() {
+	info=$1
+	[ -z "${info}" ] && info=$(svn info 2> /dev/null)
+    echo $info | grep '^URL:' | egrep -o '(tags|branches)/[^/]+|trunk' | egrep -o '[^/]+$' | read SVN_URL
+    echo $SVN_URL
+}
+
+function svn_get_repo_name() {
+	info=$1
+	[ -z "${info}" ] && info=$(svn info 2> /dev/null)
+    echo $info | sed -n 's/Repository\ Root:\ .*\///p' | read SVN_ROOT
+    echo $info | sed -n "s/URL:\ .*$SVN_ROOT\///p"
+}
+
+function svn_get_revision() {
+	info=$1
+	[ -z "${info}" ] && info=$(svn info 2> /dev/null)
+    echo $info 2> /dev/null | sed -n s/Revision:\ //p
+}
+
+function svn_dirty_choose() {
+    svn status | grep -E '^\s*[ACDIM!?L]' > /dev/null 2>/dev/null && echo $ZSH_THEME_SVN_PROMPT_DIRTY && return
+    echo $ZSH_THEME_SVN_PROMPT_CLEAN
+}
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