[oe-commits] [bitbake] 02/04: bitbake-dumpsig: Allow recipe and task to be specified

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rpurdie pushed a commit to branch master-next
in repository bitbake.

commit bdc4356c7afc542b67b78e4e5225b813d7668ecd
Author: Peter Kjellerstedt <peter.kjellerstedt at axis.com>
AuthorDate: Sat Mar 11 06:22:15 2017 +0100

    bitbake-dumpsig: Allow recipe and task to be specified
    
    Use --task <recipe> <task> to dump the signature info for a given
    recipe and task. This is similar to the --task option of
    bitbake-diffsigs.
    
    Signed-off-by: Peter Kjellerstedt <peter.kjellerstedt at axis.com>
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 bin/bitbake-dumpsig | 53 ++++++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 42 insertions(+), 11 deletions(-)

diff --git a/bin/bitbake-dumpsig b/bin/bitbake-dumpsig
index 58ba1ca..b1fce25 100755
--- a/bin/bitbake-dumpsig
+++ b/bin/bitbake-dumpsig
@@ -27,6 +27,7 @@ import pickle
 
 sys.path.insert(0, os.path.join(os.path.dirname(os.path.dirname(sys.argv[0])), 'lib'))
 
+import bb.tinfoil
 import bb.siggen
 
 def logger_create(name, output=sys.stderr):
@@ -42,24 +43,54 @@ def logger_create(name, output=sys.stderr):
 
 logger = logger_create('bitbake-dumpsig')
 
+def find_siginfo_task(bbhandler, pn, taskname):
+    """ Find the most recent signature file for the specified PN/task """
+
+    if not hasattr(bb.siggen, 'find_siginfo'):
+        logger.error('Metadata does not support finding signature data files')
+        sys.exit(1)
+
+    if not taskname.startswith('do_'):
+        taskname = 'do_%s' % taskname
+
+    filedates = bb.siggen.find_siginfo(pn, taskname, None, bbhandler.config_data)
+    latestfiles = sorted(filedates.keys(), key=lambda f: filedates[f])[-1:]
+    if not latestfiles:
+        logger.error('No sigdata files found matching %s %s' % (pn, taskname))
+        sys.exit(1)
+
+    return latestfiles[0]
+
 parser = optparse.OptionParser(
     description = "Dumps siginfo/sigdata files written out by BitBake",
     usage = """
+  %prog -t recipename taskname
   %prog sigdatafile""")
 
+parser.add_option("-t", "--task",
+        help = "find the signature data file for the specified task",
+        action="store", dest="taskargs", nargs=2, metavar='recipename taskname')
+
 options, args = parser.parse_args(sys.argv)
 
-if len(args) == 1:
+if options.taskargs:
+    tinfoil = bb.tinfoil.Tinfoil()
+    tinfoil.prepare(config_only = True)
+    file = find_siginfo_task(tinfoil, options.taskargs[0], options.taskargs[1])
+elif len(args) == 1:
     parser.print_help()
+    sys.exit(0)
 else:
-    try:
-        output = bb.siggen.dump_sigfile(args[1])
-    except IOError as e:
-        logger.error(str(e))
-        sys.exit(1)
-    except (pickle.UnpicklingError, EOFError):
-        logger.error('Invalid signature data - ensure you are specifying a sigdata/siginfo file')
-        sys.exit(1)
+    file = args[1]
+
+try:
+    output = bb.siggen.dump_sigfile(file)
+except IOError as e:
+    logger.error(str(e))
+    sys.exit(1)
+except (pickle.UnpicklingError, EOFError):
+    logger.error('Invalid signature data - ensure you are specifying a sigdata/siginfo file')
+    sys.exit(1)
 
-    if output:
-        print('\n'.join(output))
+if output:
+    print('\n'.join(output))

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