provide git information with --version

fixes mitmproxy#1848

.gitignore

@@ -19,3 +19,4 @@ bower_components
 *.map
 sslkeylogfile.log
 .tox/
+.python-version

docs/install.rst

@@ -140,7 +140,7 @@ If you would like to install mitmproxy directly from the master branch on GitHub
 or would like to get set up to contribute to the project, install the
 dependencies as you would for a regular installation from source. Then see the
 Hacking_ section of the README on GitHub. You can check your system information
-by running: ``mitmproxy --sysinfo``
+by running: ``mitmproxy --version``
 
 
 .. _Hacking: https://github.com/mitmproxy/mitmproxy/blob/master/README.rst#hacking

issue_template.md

@@ -13,7 +13,7 @@
 
 
 <!--
-    Cut and paste the output of "mitmdump --sysinfo".
+    Cut and paste the output of "mitmproxy --version".
 
     If you're using an older version if mitmproxy, please specify the version
     and OS.

mitmproxy/test/tutils.py

@@ -19,14 +19,6 @@ def treader(bytes):
     return tcp.Reader(fp)
 
 
-@contextmanager
-def chdir(dir):
-    orig_dir = os.getcwd()
-    os.chdir(dir)
-    yield
-    os.chdir(orig_dir)
-
-
 @contextmanager
 def tmpdir(*args, **kwargs):
     orig_workdir = os.getcwd()

mitmproxy/tools/cmdline.py

@@ -275,13 +275,8 @@ def get_common_options(args):
 def basic_options(parser):
     parser.add_argument(
         '--version',
-        action='version',
-        version="%(prog)s" + " " + version.VERSION
-    )
-    parser.add_argument(
-        '--sysinfo',
         action='store_true',
-        dest='sysinfo',
+        dest='version',
     )
     parser.add_argument(
         '--shortversion',

mitmproxy/tools/main.py

@@ -35,9 +35,10 @@ def assert_utf8_env():
 
 
 def process_options(parser, options, args):
-    if args.sysinfo:
-        print(debug.sysinfo())
+    if args.version:
+        print(debug.dump_system_info())
         sys.exit(0)
+
     debug.register_info_dumpers()
     pconf = config.ProxyConfig(options)
     if options.no_server:

mitmproxy/utils/__init__.py

@@ -0,0 +1,10 @@
+import os
+from contextlib import contextmanager
+
+
+@contextmanager
+def chdir(dir):
+    orig_dir = os.getcwd()
+    os.chdir(dir)
+    yield
+    os.chdir(orig_dir)

mitmproxy/utils/bits.py

@@ -1,5 +1,3 @@
-
-
 def setbit(byte, offset, value):
     """
         Set a bit in a byte to 1 if value is truthy, 0 if not.

mitmproxy/utils/debug.py

@@ -5,18 +5,29 @@
 import signal
 import platform
 import traceback
+import subprocess
 
 from mitmproxy import version
+from mitmproxy import utils
 
 from OpenSSL import SSL
 
 
-def sysinfo():
+def dump_system_info():
+    git_describe = 'release version'
+    with utils.chdir(os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))):
+        try:
+            c = ['git', 'describe', '--tags', '--long']
+            git_describe = subprocess.check_output(c, stderr=subprocess.STDOUT)
+            git_describe = git_describe.decode().strip()
+        except:
+            pass
+
     data = [
-        "Mitmproxy version: %s" % version.VERSION,
-        "Python version: %s" % platform.python_version(),
-        "Platform: %s" % platform.platform(),
-        "SSL version: %s" % SSL.SSLeay_version(SSL.SSLEAY_VERSION).decode(),
+        "Mitmproxy version: {} ({})".format(version.VERSION, git_describe),
+        "Python version: {}".format(platform.python_version()),
+        "Platform: {}".format(platform.platform()),
+        "SSL version: {}".format(SSL.SSLeay_version(SSL.SSLEAY_VERSION).decode()),
     ]
     d = platform.linux_distribution()
     t = "Linux distro: %s %s %s" % d

test/mitmproxy/addons/test_script.py

@@ -10,6 +10,7 @@
 from mitmproxy import options
 from mitmproxy import proxy
 from mitmproxy import master
+from mitmproxy import utils
 
 from mitmproxy.addons import script
 
@@ -72,7 +73,7 @@ def test_no_script_file(self):
                 script.parse_command(dir)
 
     def test_parse_args(self):
-        with tutils.chdir(tutils.test_data.dirname):
+        with utils.chdir(tutils.test_data.dirname):
             assert script.parse_command(
                 "mitmproxy/data/addonscripts/recorder.py"
             ) == ("mitmproxy/data/addonscripts/recorder.py", [])
@@ -85,7 +86,7 @@ def test_parse_args(self):
 
     @ttutils.skip_not_windows
     def test_parse_windows(self):
-        with tutils.chdir(tutils.test_data.dirname):
+        with utils.chdir(tutils.test_data.dirname):
             assert script.parse_command(
                 "mitmproxy/data\\addonscripts\\recorder.py"
             ) == ("mitmproxy/data\\addonscripts\\recorder.py", [])

test/mitmproxy/utils/test_debug.py

@@ -3,6 +3,10 @@
 from mitmproxy.utils import debug
 
 
+def test_dump_system_info():
+    assert debug.dump_system_info()
+
+
 def test_dump_info():
     cs = io.StringIO()
     debug.dump_info(None, None, file=cs, testing=True)
@@ -15,9 +19,5 @@ def test_dump_stacks():
     assert cs.getvalue()
 
 
-def test_sysinfo():
-    assert debug.sysinfo()
-
-
 def test_register_info_dumpers():
     debug.register_info_dumpers()

tox.ini

@@ -10,7 +10,7 @@ deps =
 passenv = CODECOV_TOKEN CI CI_* TRAVIS TRAVIS_* APPVEYOR APPVEYOR_* SNAPSHOT_* OPENSSL_* RTOOL_*
 setenv = HOME = {envtmpdir}
 commands =
-  mitmdump --sysinfo
+  mitmdump --version
   py.test --timeout 60 {posargs}
   {env:CI_COMMANDS:python -c ""}
 
@@ -20,7 +20,7 @@ commands = sphinx-build -W -b html -d {envtmpdir}/doctrees . {envtmpdir}/html
 
 [testenv:lint]
 commands =
-  mitmdump --sysinfo
+  mitmdump --version
   flake8 --jobs 8 --count mitmproxy pathod examples test release
   rstcheck README.rst
   mypy --silent-imports \