Make post-update hook reload config after writing it out.

Without this, any changes to repository settings would only be
applied after one extra (non-empty) push.

Add unit test coverage for the post-update hook.

Make SSH authorized_keys path configurable, mostly for unit tests.

gitosis/run_hook.py

@@ -29,6 +29,8 @@ def post_update(cfg, git_dir):
         os.path.join(export, 'gitosis.conf'),
         os.path.join(export, '..', 'gitosis.conf'),
         )
+    # re-read config to get up-to-date settings
+    cfg.read(os.path.join(export, '..', 'gitosis.conf'))
     gitweb.set_descriptions(
         config=cfg,
         )
@@ -40,8 +42,9 @@ def post_update(cfg, git_dir):
     gitdaemon.set_export_ok(
         config=cfg,
         )
+    authorized_keys = util.getSSHAuthorizedKeysPath(config=cfg)
     ssh.writeAuthorizedKeys(
-        path=os.path.expanduser('~/.ssh/authorized_keys'),
+        path=authorized_keys,
         keydir=os.path.join(export, 'keydir'),
         )
 

gitosis/test/test_run_hook.py

@@ -0,0 +1,95 @@
+from nose.tools import eq_ as eq
+
+import os
+from ConfigParser import RawConfigParser
+from cStringIO import StringIO
+
+from gitosis import init, repository, run_hook
+from gitosis.test.util import maketemp, readFile
+
+def test_post_update_simple():
+    tmp = maketemp()
+    repos = os.path.join(tmp, 'repositories')
+    os.mkdir(repos)
+    admin_repository = os.path.join(repos, 'gitosis-admin.git')
+    pubkey = (
+        'ssh-somealgo '
+        +'0123456789ABCDEFAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA'
+        +'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA'
+        +'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA'
+        +'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= fakeuser@fakehost')
+    user = 'theadmin'
+    init.init_admin_repository(
+        git_dir=admin_repository,
+        pubkey=pubkey,
+        user=user,
+        )
+    repository.init(path=os.path.join(repos, 'forweb.git'))
+    repository.init(path=os.path.join(repos, 'fordaemon.git'))
+    repository.fast_import(
+        git_dir=admin_repository,
+        committer='John Doe <jdoe@example.com>',
+        commit_msg="""\
+stuff
+""",
+        parent='refs/heads/master^0',
+        files=[
+            ('gitosis.conf', """\
+[gitosis]
+
+[group gitosis-admin]
+members = theadmin
+writable = gitosis-admin
+
+[repo fordaemon]
+daemon = yes
+
+[repo forweb]
+gitweb = yes
+owner = John Doe
+description = blah blah
+"""),
+            ('keydir/jdoe.pub',
+             'ssh-somealgo '
+             +'0123456789ABCDEFBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB'
+             +'BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB'
+             +'BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB'
+             +'BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB= jdoe@host.example.com'),
+            ],
+        )
+    cfg = RawConfigParser()
+    cfg.add_section('gitosis')
+    cfg.set('gitosis', 'repositories', repos)
+    generated = os.path.join(tmp, 'generated')
+    os.mkdir(generated)
+    cfg.set('gitosis', 'generate-files-in', generated)
+    ssh = os.path.join(tmp, 'ssh')
+    os.mkdir(ssh)
+    cfg.set(
+        'gitosis',
+        'ssh-authorized-keys-path',
+        os.path.join(ssh, 'authorized_keys'),
+        )
+    run_hook.post_update(
+        cfg=cfg,
+        git_dir=admin_repository,
+        )
+    got = readFile(os.path.join(repos, 'forweb.git', 'description'))
+    eq(got, 'blah blah\n')
+    got = os.listdir(generated)
+    eq(got, ['projects.list'])
+    got = readFile(os.path.join(generated, 'projects.list'))
+    eq(
+        got,
+        """\
+forweb.git John+Doe
+""",
+        )
+    got = os.listdir(os.path.join(repos, 'fordaemon.git'))
+    assert 'git-daemon-export-ok' in got, \
+        "git-daemon-export-ok not created: %r" % got
+    got = os.listdir(ssh)
+    eq(got, ['authorized_keys'])
+    got = readFile(os.path.join(ssh, 'authorized_keys')).splitlines(True)
+    assert 'command="gitosis-serve jdoe",no-port-forwarding,no-X11-forwarding,no-agent-forwarding,no-pty ssh-somealgo 0123456789ABCDEFBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB= jdoe@host.example.com\n' in got, \
+        "SSH authorized_keys line for jdoe not found: %r" % got

gitosis/util.py

@@ -27,3 +27,10 @@ def getGeneratedFilesDir(config):
     except (NoSectionError, NoOptionError):
         generated = os.path.expanduser('~/gitosis')
     return generated
+
+def getSSHAuthorizedKeysPath(config):
+    try:
+        path = config.get('gitosis', 'ssh-authorized-keys-path')
+    except (NoSectionError, NoOptionError):
+        path = os.path.expanduser('~/.ssh/authorized_keys'),
+    return path