fixed erroneous changelog

[bootmanager.git] / source / utils.py

diff --git a/source/utils.py b/source/utils.py
index 407216b..e111659 100644 (file)
--- a/source/utils.py
+++ b/source/utils.py
@@ -142,13 +142,41 @@ def sysexec( cmd, log= None ):
             raise BootManagerException, "Interrupted by user"
 
     returncode= prog.wait()
-    if returncode != 0:
+    if returncode != 0 and returncode != 256:
         raise BootManagerException, "Running %s failed (rc=%d)" % (cmd,returncode)
 
     prog= None
     return 1
 
 
+def sysexec_chroot( path, cmd, log= None ):
+    """
+    same as sysexec, but inside a chroot
+    """
+    preload = ""
+    release = os.uname()[2]
+    # 2.6.12 kernels need this
+    if release[:5] == "2.6.1":
+        library = "%s/lib/libc-opendir-hack.so" % path
+        if not os.path.exists(library):
+            shutil.copy("./libc-opendir-hack.so", library)
+        preload = "/bin/env LD_PRELOAD=/lib/libc-opendir-hack.so"
+    sysexec("chroot %s %s %s" % (path, preload, cmd), log)
+
+
+def sysexec_chroot_noerr( path, cmd, log= None ):
+    """
+    same as sysexec_chroot, but capture boot manager exceptions
+    """
+    try:
+        rc= 0
+        rc= syexec_chroot( cmd, log )
+    except BootManagerException, e:
+        pass
+
+    return rc
+
+
 def sysexec_noerr( cmd, log= None ):
     """
     same as sysexec, but capture boot manager exceptions