tevent_poll: add poll_event_loop_wait()
[Samba/gebeck_regimport.git] / script / bisect-test.py
blobe4daa8c2c12b2442c33f23c371b1cba12c66dd5c
1 #!/usr/bin/env python
2 # use git bisect to work out what commit caused a test failure
3 # Copyright Andrew Tridgell 2010
4 # released under GNU GPL v3 or later
7 from subprocess import call, check_call, Popen, PIPE
8 import os, tempfile, sys
9 from optparse import OptionParser
11 parser = OptionParser()
12 parser.add_option("", "--good", help="known good revision (default HEAD~100)", default='HEAD~100')
13 parser.add_option("", "--bad", help="known bad revision (default HEAD)", default='HEAD')
14 parser.add_option("", "--skip-build-errors", help="skip revision where make fails",
15 action='store_true', default=False)
16 parser.add_option("", "--autogen", help="run autogen before each build",action="store_true", default=False)
17 parser.add_option("", "--autogen-command", help="command to use for autogen (default ./autogen.sh)",
18 type='str', default="./autogen.sh")
19 parser.add_option("", "--configure", help="run configure.developer before each build",
20 action="store_true", default=False)
21 parser.add_option("", "--configure-command", help="the command for configure (default ./configure.developer)",
22 type='str', default="./configure.developer")
23 parser.add_option("", "--build-command", help="the command to build the tree (default 'make -j')",
24 type='str', default="make -j")
25 parser.add_option("", "--test-command", help="the command to test the tree (default 'make test')",
26 type='str', default="make test")
27 parser.add_option("", "--clean", help="run make clean before each build",
28 action="store_true", default=False)
31 (opts, args) = parser.parse_args()
34 def run_cmd(cmd, dir=".", show=True, output=False, checkfail=True):
35 if show:
36 print("Running: '%s' in '%s'" % (cmd, dir))
37 if output:
38 return Popen([cmd], shell=True, stdout=PIPE, cwd=dir).communicate()[0]
39 elif checkfail:
40 return check_call(cmd, shell=True, cwd=dir)
41 else:
42 return call(cmd, shell=True, cwd=dir)
44 def find_git_root():
45 '''get to the top of the git repo'''
46 p=os.getcwd()
47 while p != '/':
48 if os.path.isdir(os.path.join(p, ".git")):
49 return p
50 p = os.path.abspath(os.path.join(p, '..'))
51 return None
53 cwd = os.getcwd()
54 gitroot = find_git_root()
56 # create a bisect script
57 f = tempfile.NamedTemporaryFile(delete=False)
58 f.write("set -x\n")
59 f.write("cd %s || exit 125\n" % cwd)
60 if opts.autogen:
61 f.write("%s || exit 125\n" % opts.autogen_command)
62 if opts.configure:
63 f.write("%s || exit 125\n" % opts.configure_command)
64 if opts.clean:
65 f.write("make clean || exit 125\n")
66 if opts.skip_build_errors:
67 build_err = 125
68 else:
69 build_err = 1
70 f.write("%s || exit %u\n" % (opts.build_command, build_err))
71 f.write("%s || exit 1\n" % opts.test_command)
72 f.write("exit 0\n")
73 f.close()
75 def cleanup():
76 run_cmd("git bisect reset", dir=gitroot)
77 os.unlink(f.name)
78 sys.exit(-1)
80 # run bisect
81 ret = -1
82 try:
83 run_cmd("git bisect reset", dir=gitroot, show=False, checkfail=False)
84 run_cmd("git bisect start %s %s --" % (opts.bad, opts.good), dir=gitroot)
85 ret = run_cmd("git bisect run bash %s" % f.name, dir=gitroot, show=True, checkfail=False)
86 except KeyboardInterrupt:
87 print("Cleaning up")
88 cleanup()
89 except Exception, reason:
90 print("Failed bisect: %s" % reason)
91 cleanup()
93 run_cmd("git bisect reset", dir=gitroot)
94 os.unlink(f.name)
95 sys.exit(ret)