add new rule

README.md

@@ -239,6 +239,7 @@ following rules are enabled by default:
 * `git_commit_reset` – offers `git reset HEAD~` after previous commit;
 * `git_diff_no_index` – adds `--no-index` to previous `git diff` on untracked files;
 * `git_diff_staged` – adds `--staged` to previous `git diff` with unexpected output;
+* `git_direct_commit` – adds the files to the staged level, in case that the user tries to commit some changes but has forgotten this step;
 * `git_fix_stash` – fixes `git stash` commands (misspelled subcommand and missing `save`);
 * `git_flag_after_filename` – fixes `fatal: bad flag '...' after filename`
 * `git_help_aliased` &ndash; fixes `git help <alias>` commands replacing <alias> with the aliased command;

tests/rules/test_git_direct_commit.py

@@ -0,0 +1,28 @@
+import pytest
+
+from thefuck.rules.git_direct_commit import match, get_new_command
+from thefuck.types import Command
+
+
+@pytest.mark.parametrize(
+    "script, output",
+    [('''git commit -m "make an other commit"''', "Changes not staged for commit")]
+)
+def test_match(script, output):
+    assert match(Command(script, output))
+
+
+@pytest.mark.parametrize(
+    "script, output",
+    [('''git commit -m "make a commit"''', "")]
+)
+def test_not_match(script, output):
+    assert not match(Command(script, output))
+
+
+@pytest.mark.parametrize(
+    "script, output, new_command",
+    [("git commit -m 'make a commit'", "Untracked files", "git add --all && git commit -m 'make a commit'")]
+)
+def test_get_new_command(script, output, new_command):
+    assert get_new_command(Command(script, output)) == new_command

thefuck/rules/git_direct_commit.py

@@ -0,0 +1,10 @@
+def match(command):
+    return ('Untracked files' in command.output or '''use "git add"''' in command.output 
+            or 'Changes not staged for commit' in command.output)
+
+
+def get_new_command(command):
+    return 'git add --all && ' + command.script
+
+
+priority = 900