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68f441e303
poky/scripts/buildhistory-diff
Paul Eggleton 68f441e303 buildhistory-diff: improve bad command-line argument handling 
* Check for existence of specified buildhistory directory and show a
  proper error message if it doesn't
* Show an error message instead of a traceback with a mangled revision
  if one of the specified git revisions is invalid
* Show usage information if --help is specified
* Write error messages to stderr

Fixes [YOCTO #4313].

(From OE-Core rev: 329edb52e9c23c0956b849a660accf39d44f9d9f)

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2013-05-10 11:37:16 +01:00

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#!/usr/bin/env python

Report significant differences in the buildhistory repository since a specific revision

Copyright (C) 2013 Intel Corporation

Author: Paul Eggleton paul.eggleton@linux.intel.com

import sys import os from distutils.version import LooseVersion

Ensure PythonGit is installed (buildhistory_analysis needs it)

try: import git except ImportError: print("Please install GitPython (python-git) 0.3.1 or later in order to use this script") sys.exit(1)

def main(): if LooseVersion(git.version) < '0.3.1': sys.stderr.write("Version of GitPython is too old, please install GitPython (python-git) 0.3.1 or later in order to use this script\n") sys.exit(1)

if len(sys.argv) < 3 or '--help' in sys.argv:
    print("Report significant differences in the buildhistory repository")
    print("Syntax: %s <buildhistory-path> <since-revision> [to-revision]" % os.path.basename(sys.argv[0]))
    print("If to-revision is not specified, it defaults to HEAD")
    sys.exit(1)

# Set path to OE lib dir so we can import the buildhistory_analysis module
basepath = os.path.abspath(os.path.dirname(os.path.abspath(sys.argv[0])) + '/..')
newpath = basepath + '/meta/lib'
# Set path to bitbake lib dir so the buildhistory_analysis module can load bb.utils
if os.path.exists(basepath + '/bitbake/lib/bb'):
    bitbakepath = basepath + '/bitbake'
else:
    # look for bitbake/bin dir in PATH
    bitbakepath = None
    for pth in os.environ['PATH'].split(':'):
        if os.path.exists(os.path.join(pth, '../lib/bb')):
            bitbakepath = os.path.abspath(os.path.join(pth, '..'))
            break
    if not bitbakepath:
        sys.stderr.write("Unable to find bitbake by searching parent directory of this script or PATH\n")
        sys.exit(1)

sys.path[0:0] = [newpath, bitbakepath + '/lib']
import oe.buildhistory_analysis

buildhistory_dir = sys.argv[1]
if not os.path.exists(buildhistory_dir):
    sys.stderr.write('Specified buildhistory directory "%s" does not exist\n' % buildhistory_dir)
    sys.exit(1)

if len(sys.argv) > 3:
    torev = sys.argv[3]
else:
    torev = 'HEAD'

import gitdb
try:
    changes = oe.buildhistory_analysis.process_changes(buildhistory_dir, sys.argv[2], torev)
except gitdb.exc.BadObject as e:
    sys.stderr.write('Specified git revision "%s" is not valid\n' % e.args[0])
    sys.exit(1)

for chg in changes:
    print('%s' % chg)

sys.exit(0)

if name == "main": main()