@@ -15,7 +15,7 @@ class Dot(object):
def __init__(self):
parser = argparse.ArgumentParser(
description="Analyse recipe-depends.dot generated by bitbake -g",
- epilog="Use %(prog)s --help to get help")
+ formatter_class=argparse.RawDescriptionHelpFormatter)
parser.add_argument("dotfile",
help = "Specify the dotfile", nargs = 1, action='store', default='')
parser.add_argument("-k", "--key",
@@ -32,6 +32,21 @@ class Dot(object):
" For example, A->B, B->C, A->C, then A->C can be removed.",
action="store_true", default=False)
+ parser.epilog = """
+Examples:
+First generate the .dot file:
+ bitbake -g core-image-minimal
+
+To find out why a package is being built:
+ %(prog)s -k <package> -w ./task-depends.dot
+
+To find out what a package depends on:
+ %(prog)s -k <package> -d ./task-depends.dot
+
+Reduce the .dot file packages only, no tasks:
+ %(prog)s -r ./task-depends.dot
+"""
+
self.args = parser.parse_args()
if len(sys.argv) != 3 and len(sys.argv) < 5:
@@ -99,6 +114,10 @@ class Dot(object):
if key == "meta-world-pkgdata":
continue
dep = m.group(2)
+ key = key.split('.')[0]
+ dep = dep.split('.')[0]
+ if key == dep:
+ continue
if key in depends:
if not key in depends[key]:
depends[key].add(dep)