utils.py: Add bb.utils.prune_suffix function

2 files changed, 13 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index a2c9d8080..c2b4d7181 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -169,6 +169,7 @@ Changes in Bitbake 1.9.x:
 	  proxies to work better. (from Poky)
 	- Also allow user and pswd options in SRC_URIs globally (from Poky)
 	- Improve proxy handling when using mirrors (from Poky)
+	- Add bb.utils.prune_suffix function
 
 Changes in Bitbake 1.8.0:
 	- Release 1.7.x as a stable series
diff --git a/lib/bb/utils.py b/lib/bb/utils.py
index 90ba9ac2e..230e06ab9 100644
--- a/lib/bb/utils.py
+++ b/lib/bb/utils.py
@@ -393,3 +393,15 @@ def prunedir(topdir):
             else:
                 os.rmdir(os.path.join(root, name))
     os.rmdir(topdir)
+
+#
+# Could also use return re.compile("(%s)" % "|".join(map(re.escape, suffixes))).sub(lambda mo: "", var)
+# but thats possibly insane and suffixes is probably going to be small
+#
+def prune_suffix(var, suffixes, d):
+    # See if var ends with any of the suffixes listed and 
+    # remove it if found
+    for suffix in suffixes:
+        if var.endswith(suffix):
+            return var.replace(suffix, "")
+    return var