initial tool to ease common operations like:

[packages/poldek.git] / poldek-setenv-null.patch

--- poldek-0.30.1/pkgdir/pkgdir.c~	2014-03-25 23:32:25.000000000 +0100
+++ poldek-0.30.1/pkgdir/pkgdir.c	2015-09-14 14:16:12.282109741 +0200
@@ -274,7 +274,8 @@ const struct pkgdir_module *find_module(
 static void env_source(const struct source *src, const char *idxpath)
 {
     setenv("POLDEK_SOURCE_PATH", idxpath, 1);
-    setenv("POLDEK_SOURCE_PREFIX", src->pkg_prefix, 1);
+    if (src->pkg_prefix)
+        setenv("POLDEK_SOURCE_PREFIX", src->pkg_prefix, 1);
     setenv("POLDEK_SOURCE_TYPE", src->type, 1);
     if (src->name)
         setenv("POLDEK_SOURCE_NAME", src->name, 1);