#356 Print useful information when fuck called and alias isn't configured

setup.py

@@ -41,4 +41,5 @@ setup(name='thefuck',
       extras_require=extras_require,
       entry_points={'console_scripts': [
           'thefuck = thefuck.main:main',
-          'thefuck-alias = thefuck.main:print_alias']})
+          'thefuck-alias = thefuck.main:print_alias',
+          'fuck = thefuck.main:how_to_configure_alias']})

tests/functional/plots.py

@@ -78,3 +78,9 @@ def without_confirmation(proc, TIMEOUT):
     proc.sendline(u'fuck')
     assert proc.expect([TIMEOUT, u'echo test'])
     assert proc.expect([TIMEOUT, u'test'])
+
+
+def how_to_configure(proc, TIMEOUT):
+    proc.sendline(u'unalias fuck')
+    proc.sendline(u'fuck')
+    assert proc.expect([TIMEOUT, "alias isn't configured"])

tests/functional/test_bash.py

@@ -1,7 +1,7 @@
 import pytest
 from tests.functional.plots import with_confirmation, without_confirmation, \
     refuse_with_confirmation, history_changed, history_not_changed, \
-    select_command_with_arrows
+    select_command_with_arrows, how_to_configure
 
 containers = ((u'thefuck/ubuntu-python3-bash',
                u'''FROM ubuntu:latest
@@ -55,3 +55,9 @@ def test_refuse_with_confirmation(proc, TIMEOUT):
 def test_without_confirmation(proc, TIMEOUT):
     without_confirmation(proc, TIMEOUT)
     history_changed(proc, TIMEOUT, u'echo test')
+
+
+@pytest.mark.functional
+@pytest.mark.once_without_docker
+def test_how_to_configure_alias(proc, TIMEOUT):
+    how_to_configure(proc, TIMEOUT)

tests/functional/test_zsh.py

@@ -1,8 +1,9 @@
 import pytest
 from tests.functional.plots import with_confirmation, without_confirmation, \
-    refuse_with_confirmation, history_changed, history_not_changed, select_command_with_arrows
+    refuse_with_confirmation, history_changed, history_not_changed, \
+    select_command_with_arrows, how_to_configure
 
-containers = (('ubuntu-python3-zsh',
+containers = (('thefuck/ubuntu-python3-zsh',
                u'''FROM ubuntu:latest
                    RUN apt-get update
                    RUN apt-get install -yy python3 python3-pip python3-dev git
@@ -10,7 +11,7 @@ containers = (('ubuntu-python3-zsh',
                    RUN ln -s /usr/bin/pip3 /usr/bin/pip
                    RUN apt-get install -yy zsh''',
                u'zsh'),
-              ('ubuntu-python2-zsh',
+              ('thefuck/ubuntu-python2-zsh',
                u'''FROM ubuntu:latest
                    RUN apt-get update
                    RUN apt-get install -yy python python-pip python-dev git
@@ -59,3 +60,9 @@ def test_refuse_with_confirmation(proc, TIMEOUT):
 def test_without_confirmation(proc, TIMEOUT):
     without_confirmation(proc, TIMEOUT)
     history_changed(proc, TIMEOUT, u'echo test')
+
+
+@pytest.mark.functional
+@pytest.mark.once_without_docker
+def test_how_to_configure_alias(proc, TIMEOUT):
+    how_to_configure(proc, TIMEOUT)

thefuck/logs.py

@@ -76,3 +76,19 @@ def debug_time(msg, settings):
         yield
     finally:
         debug(u'{} took: {}'.format(msg, datetime.now() - started), settings)
+
+
+def how_to_configure_alias(configuration_details, settings):
+    print("Seems like {bold}fuck{reset} alias isn't configured!".format(
+        bold=color(colorama.Style.BRIGHT, settings),
+        reset=color(colorama.Style.RESET_ALL, settings)))
+    if configuration_details:
+        content, path = configuration_details
+        print(
+            "Please put {bold}{content}{reset} in your "
+            "{bold}{path}{reset}.".format(
+                bold=color(colorama.Style.BRIGHT, settings),
+                reset=color(colorama.Style.RESET_ALL, settings),
+                path=path,
+                content=content))
+    print('More details - https://github.com/nvbn/thefuck#manual-installation')

thefuck/main.py

@@ -120,6 +120,18 @@ def print_alias(entry_point=True):
     print(shells.app_alias(alias))
 
 
+def how_to_configure_alias():
+    """Shows useful information about how-to configure alias.
+
+    It'll be only visible when user type fuck and when alias isn't configured.
+
+    """
+    colorama.init()
+    user_dir = setup_user_dir()
+    settings = conf.get_settings(user_dir)
+    logs.how_to_configure_alias(shells.how_to_configure(), settings)
+
+
 def main():
     parser = ArgumentParser(prog='thefuck')
     parser.add_argument('-v', '--version',

thefuck/shells.py

@@ -72,6 +72,9 @@ class Generic(object):
     def and_(self, *commands):
         return u' && '.join(commands)
 
+    def how_to_configure(self):
+        return
+
 
 class Bash(Generic):
     def app_alias(self, fuck):
@@ -103,6 +106,15 @@ class Bash(Generic):
     def _script_from_history(self, line):
         return line
 
+    def how_to_configure(self):
+        if os.path.join(os.path.expanduser('~'), '.bashrc'):
+            config = '~/.bashrc'
+        elif os.path.join(os.path.expanduser('~'), '.bash_profile'):
+            config = '~/.bashrc'
+        else:
+            config = 'bash config'
+        return 'eval $(thefuck --alias)', config
+
 
 class Fish(Generic):
 
@@ -156,6 +168,9 @@ class Fish(Generic):
     def and_(self, *commands):
         return u'; and '.join(commands)
 
+    def how_to_configure(self):
+        return 'eval thefuck --alias', '~/.config/fish/config.fish'
+
 
 class Zsh(Generic):
     def app_alias(self, fuck):
@@ -191,6 +206,9 @@ class Zsh(Generic):
         else:
             return ''
 
+    def how_to_configure(self):
+        return 'eval $(thefuck --alias)', '~/.zshrc'
+
 
 class Tcsh(Generic):
     def app_alias(self, fuck):
@@ -217,6 +235,9 @@ class Tcsh(Generic):
     def _get_history_line(self, command_script):
         return u'#+{}\n{}\n'.format(int(time()), command_script)
 
+    def how_to_configure(self):
+        return 'eval `thefuck --alias`', '~/.tcshrc'
+
 
 shells = defaultdict(Generic, {
     'bash': Bash(),
@@ -266,3 +287,6 @@ def get_aliases():
 @memoize
 def get_history():
     return list(_get_shell().get_history())
+
+def how_to_configure():
+    return _get_shell().how_to_configure()