From c9b9e4e9bfe9740234b673c88eeb0ba992e8a2b3 Mon Sep 17 00:00:00 2001
From: Uriel <u@berlinblue.org>
Date: Tue, 3 Mar 2009 20:23:00 +0000
Subject: [PATCH] Preserve ifs when calling other functions after temporary
 altering it. Fixes a couple of minor bugs.

Added difs env var that can be used anywhere to restore default ifs.
---
 apps/blagh/atom.tpl  | 2 +-
 apps/blagh/rss20.tpl | 2 +-
 bin/werc.rc          | 1 +
 bin/werclib.rc       | 2 +-
 4 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/apps/blagh/atom.tpl b/apps/blagh/atom.tpl
index b4bcb5e..85e5966 100644
--- a/apps/blagh/atom.tpl
+++ b/apps/blagh/atom.tpl
@@ -16,7 +16,7 @@ fn statpost {
     #mdate=`{/bin/date -Rd `{mtime $f|awk '{print $1}' }} # Not used because it is unreliable
     by=$stat(2)
     #ifs=() { summary=`{cat $f/index.md | crop_text 1024 ... | $formatter } }
-    ifs=() { summary=`{cat $f/index.md | $formatter } }
+    ifs=() { summary=`{cat $f/index.md | ifs=$difs {$formatter} } }
 }
 updated = `{/bin/date --rfc-3339'=seconds' |sed 's/ /T/'} 
 %}
diff --git a/apps/blagh/rss20.tpl b/apps/blagh/rss20.tpl
index c64ef64..38622d1 100644
--- a/apps/blagh/rss20.tpl
+++ b/apps/blagh/rss20.tpl
@@ -15,7 +15,7 @@ fn statpost {
     #mdate=`{/bin/date -Rd $stat(1)} # Not used because it is unreliable
     post_uri=$base_url^`{cleanname `{echo $f | sed -e 's!^'$sitedir'!!'}}^'/'
     by=$stat(2)
-    ifs=() { summary=`{cat $f/index.md | $formatter | escape_html} }
+    ifs=() {summary=`{ cat $f/index.md | ifs=$difs {$formatter | escape_html} }}
 }
 
 %}
diff --git a/bin/werc.rc b/bin/werc.rc
index bb3d14b..82ba813 100755
--- a/bin/werc.rc
+++ b/bin/werc.rc
@@ -7,6 +7,7 @@
 cd ..
 
 forbidden_uri_chars='[^a-zA-Z0-9_+\-\/\.,:]'
+difs=$ifs # Used to restore default ifs when needed 
 
 # Expected input: ls -F style, $sitedir/path/to/files/
 #          <ls -F+x><symlink hack><Useless?><hiden files  >
diff --git a/bin/werclib.rc b/bin/werclib.rc
index 6659c9e..132e5ff 100644
--- a/bin/werclib.rc
+++ b/bin/werclib.rc
@@ -45,7 +45,7 @@ fn get_user {
             get_post_args user_name user_password
 
         if(~ $#user_name 0) { 
-            ifs=':' { cu=`{get_cookie werc_user|tr -d $NEW_LINE} }
+            ifs=':' { cu=`{ifs=$difs {get_cookie werc_user} | tr -d $NEW_LINE} }
             if(! ~ $#cu 0) {
                 user_name=$cu(1) 
                 user_password=$cu(3)