# Aider chat conversation:
USER: add --encoding and pass it to `InputOutput`
ASSISTANT: To add the `--encoding` argument and pass it to `InputOutput`, we need to modify the `aider/main.py` file.
Here are the steps:
1. Add a new argument `--encoding` to the `argparse.ArgumentParser` in the `main` function.
2. Pass the `args.encoding` to the `InputOutput` class instantiation.
Here are the changes:
```python
aider/main.py
<<<<<<< HEAD
##########
other_group = parser.add_argument_group("Other Settings")
other_group.add_argument(
"--version",
action="version",
version=f"%(prog)s {__version__}",
help="Show the version number and exit",
)
other_group.add_argument(
"--apply",
metavar="FILE",
help="Apply the changes from the given file instead of running the chat (debug)",
)
other_group.add_argument(
"--yes",
action="store_true",
help="Always say yes to every confirmation",
default=None,
)
other_group.add_argument(
"-v",
"--verbose",
action="store_true",
help="Enable verbose output",
default=False,
)
other_group.add_argument(
"--show-repo-map",
action="store_true",
help="Print the repo map and exit (debug)",
default=False,
)
other_group.add_argument(
"--message",
"--msg",
"-m",
metavar="COMMAND",
help="Specify a single message to send GPT, process reply then exit (disables chat mode)",
)
other_group.add_argument(
"-c",
"--config",
is_config_file=True,
metavar="CONFIG_FILE",
help=(
"Specify the config file (default: search for .aider.conf.yml in git root, cwd"
" or home directory)"
),
)
args = parser.parse_args(argv)
=======
##########
other_group = parser.add_argument_group("Other Settings")
other_group.add_argument(
"--version",
action="version",
version=f"%(prog)s {__version__}",
help="Show the version number and exit",
)
other_group.add_argument(
"--apply",
metavar="FILE",
help="Apply the changes from the given file instead of running the chat (debug)",
)
other_group.add_argument(
"--yes",
action="store_true",
help="Always say yes to every confirmation",
default=None,
)
other_group.add_argument(
"-v",
"--verbose",
action="store_true",
help="Enable verbose output",
default=False,
)
other_group.add_argument(
"--show-repo-map",
action="store_true",
help="Print the repo map and exit (debug)",
default=False,
)
other_group.add_argument(
"--message",
"--msg",
"-m",
metavar="COMMAND",
help="Specify a single message to send GPT, process reply then exit (disables chat mode)",
)
other_group.add_argument(
"--encoding",
default="utf-8",
help="Specify the encoding for input and output (default: utf-8)",
)
other_group.add_argument(
"-c",
"--config",
is_config_file=True,
metavar="CONFIG_FILE",
help=(
"Specify the config file (default: search for .aider.conf.yml in git root, cwd"
" or home directory)"
),
)
args = parser.parse_args(argv)
>>>>>>> updated
```
```python
aider/main.py
<<<<<<< HEAD
io = InputOutput(
args.pretty,
args.yes,
args.input_history_file,
args.chat_history_file,
input=input,
output=output,
user_input_color=args.user_input_color,
tool_output_color=args.tool_output_color,
tool_error_color=args.tool_error_color,
dry_run=args.dry_run,
)
=======
io = InputOutput(
args.pretty,
args.yes,
args.input_history_file,
args.chat_history_file,
input=input,
output=output,
user_input_color=args.user_input_color,
tool_output_color=args.tool_output_color,
tool_error_color=args.tool_error_color,
dry_run=args.dry_run,
encoding=args.encoding,
)
>>>>>>> updated
```
Please note that the `InputOutput` class should be able to handle the `encoding` argument. If it's not the case, we need to modify the `InputOutput` class as well.
# Aider chat conversation:
USER: Add a --commit arg that will commit all pending changes with a suitable commit message
ASSISTANT: To add a `--commit` argument, we need to modify the `aider/main.py` file. Specifically, we will add a new argument to the `git_group` argument group in the `main` function.
Here is the proposed change:
```python
aider/main.py
<<<<<<< HEAD
git_group.add_argument(
"--dry-run",
action=argparse.BooleanOptionalAction,
default=False,
help="Enable/disable performing a dry run without modifying files (default: False)",
)
=======
git_group.add_argument(
"--dry-run",
action=argparse.BooleanOptionalAction,
default=False,
help="Enable/disable performing a dry run without modifying files (default: False)",
)
git_group.add_argument(
"--commit",
action="store_true",
help="Commit all pending changes with a suitable commit message",
default=False,
)
>>>>>>> updated
```
This change adds a new `--commit` argument that, when used, will trigger the commit of all pending changes. The default value is `False`, meaning that if the argument is not provided, no commit will be made. The help text provides a brief explanation of what the argument does.
After adding this argument, you will need to implement the functionality to commit changes when this argument is used. This will likely involve modifying the `GitRepo` class in the `aider/repo.py` file, but since that file is read-only, I can't provide the specific changes here.
# Aider chat conversation:
USER: add a switch for an aider ignore file, which should default to .aiderignore in the root of the git repo
ASSISTANT: To add a switch for an aider ignore file, we need to modify the `aider/main.py` file. We will add a new argument to the `argparse.ArgumentParser` instance to accept the path of the aider ignore file. The default value will be `.aiderignore` in the root of the git repo.
Here is the *edit block* for the change:
```python
aider/main.py
<<<<<<< HEAD
##########
git_group = parser.add_argument_group("Git Settings")
git_group.add_argument(
"--git",
action=argparse.BooleanOptionalAction,
default=True,
help="Enable/disable looking for a git repo (default: True)",
)
git_group.add_argument(
"--gitignore",
action=argparse.BooleanOptionalAction,
default=True,
help="Enable/disable adding .aider* to .gitignore (default: True)",
)
git_group.add_argument(
"--auto-commits",
action=argparse.BooleanOptionalAction,
default=True,
help="Enable/disable auto commit of GPT changes (default: True)",
)
git_group.add_argument(
"--dirty-commits",
action=argparse.BooleanOptionalAction,
default=True,
help="Enable/disable commits when repo is found dirty (default: True)",
)
git_group.add_argument(
"--dry-run",
action=argparse.BooleanOptionalAction,
default=False,
help="Enable/disable performing a dry run without modifying files (default: False)",
)
=======
##########
git_group = parser.add_argument_group("Git Settings")
git_group.add_argument(
"--git",
action=argparse.BooleanOptionalAction,
default=True,
help="Enable/disable looking for a git repo (default: True)",
)
git_group.add_argument(
"--gitignore",
action=argparse.BooleanOptionalAction,
default=True,
help="Enable/disable adding .aider* to .gitignore (default: True)",
)
git_group.add_argument(
"--aiderignore",
metavar="AIDERIGNORE",
default=".aiderignore",
help="Specify the aider ignore file (default: .aiderignore in git root)",
)
git_group.add_argument(
"--auto-commits",
action=argparse.BooleanOptionalAction,
default=True,
help="Enable/disable auto commit of GPT changes (default: True)",
)
git_group.add_argument(
"--dirty-commits",
action=argparse.BooleanOptionalAction,
default=True,
help="Enable/disable commits when repo is found dirty (default: True)",
)
git_group.add_argument(
"--dry-run",
action=argparse.BooleanOptionalAction,
default=False,
help="Enable/disable performing a dry run without modifying files (default: False)",
)
>>>>>>> updated
```
This change adds a new command-line argument `--aiderignore` that allows the user to specify the path of the aider ignore file. The default value is `.aiderignore`, which will be located in the root of the git repo.
# Aider chat conversation:
USER: in `check_gitignore` use gitpython to see if the repo is already ignoring `.aider`. if so, don't add anything to gitignore
ASSISTANT: To implement this change, we need to modify the `check_gitignore` function in the `aider/main.py` file. We will use the `gitpython` library to check if the `.aider` pattern is already ignored by the repository. If it is, we won't add anything to the `.gitignore` file.
Here are the steps we need to take:
1. Import the `git` module at the top of the file.
2. In the `check_gitignore` function, create a `git.Repo` object for the current repository.
3. Use the `Repo.ignored` method to check if the `.aider` pattern is already ignored.
4. Only add the `.aider` pattern to the `.gitignore` file if it's not already ignored.
Here is the *edit block* for this change:
```python
aider/main.py
<<<<<<< HEAD
def check_gitignore(git_root, io, ask=True):
if not git_root:
return
pat = ".aider*"
gitignore_file = Path(git_root) / ".gitignore"
if gitignore_file.exists():
content = io.read_text(gitignore_file)
if pat in content.splitlines():
return
else:
content = ""
if ask and not io.confirm_ask(f"Add {pat} to .gitignore (recommended)?"):
return
if content and not content.endswith("\n"):
content += "\n"
content += pat + "\n"
io.write_text(gitignore_file, content)
io.tool_output(f"Added {pat} to .gitignore")
=======
import git
def check_gitignore(git_root, io, ask=True):
if not git_root:
return
pat = ".aider*"
gitignore_file = Path(git_root) / ".gitignore"
if gitignore_file.exists():
content = io.read_text(gitignore_file)
if pat in content.splitlines():
return
else:
content = ""
repo = git.Repo(git_root)
if repo.is_ignored(pat):
return
if ask and not io.confirm_ask(f"Add {pat} to .gitignore (recommended)?"):
return
if content and not content.endswith("\n"):
content += "\n"
content += pat + "\n"
io.write_text(gitignore_file, content)
io.tool_output(f"Added {pat} to .gitignore")
>>>>>>> updated
```
Please note that this change assumes that the `gitpython` library is already installed in your environment. If it's not, you will need to install it using pip (`pip install gitpython`).
# Aider chat conversation:
USER: add --gitignore/--no-gitignore switches (like the others) default is true. only call `check_gitignore` if it's true.
ASSISTANT: To add the `--gitignore/--no-gitignore` switches, we need to modify the `aider/main.py` file.
Here are the steps:
1. Add a new argument to the `git_group` in the `main` function to handle the `--gitignore/--no-gitignore` switches.
2. Modify the `if args.git:` block to only call `check_gitignore` if `args.gitignore` is `True`.
Here are the proposed changes:
```python
aider/main.py
<<<<<<< HEAD
git_group = parser.add_argument_group("Git Settings")
git_group.add_argument(
"--git",
action=argparse.BooleanOptionalAction,
default=True,
help="Enable/disable looking for a git repo (default: True)",
)
git_group.add_argument(
"--auto-commits",
action=argparse.BooleanOptionalAction,
default=True,
help="Enable/disable auto commit of GPT changes (default: True)",
)
git_group.add_argument(
"--dirty-commits",
action=argparse.BooleanOptionalAction,
default=True,
help="Enable/disable commits when repo is found dirty (default: True)",
)
git_group.add_argument(
"--dry-run",
action=argparse.BooleanOptionalAction,
default=False,
help="Enable/disable performing a dry run without modifying files (default: False)",
)
=======
git_group = parser.add_argument_group("Git Settings")
git_group.add_argument(
"--git",
action=argparse.BooleanOptionalAction,
default=True,
help="Enable/disable looking for a git repo (default: True)",
)
git_group.add_argument(
"--gitignore",
action=argparse.BooleanOptionalAction,
default=True,
help="Enable/disable adding .aider* to .gitignore (default: True)",
)
git_group.add_argument(
"--auto-commits",
action=argparse.BooleanOptionalAction,
default=True,
help="Enable/disable auto commit of GPT changes (default: True)",
)
git_group.add_argument(
"--dirty-commits",
action=argparse.BooleanOptionalAction,
default=True,
help="Enable/disable commits when repo is found dirty (default: True)",
)
git_group.add_argument(
"--dry-run",
action=argparse.BooleanOptionalAction,
default=False,
help="Enable/disable performing a dry run without modifying files (default: False)",
)
>>>>>>> updated
```
```python
aider/main.py
<<<<<<< HEAD
if args.git:
git_root = setup_git(git_root, io)
check_gitignore(git_root, io)
=======
if args.git:
git_root = setup_git(git_root, io)
if args.gitignore:
check_gitignore(git_root, io)
>>>>>>> updated
```
# Aider chat conversation:
USER: change all the --foo/--no-foo switches to use the `parser.add_argument('--feature', action=argparse.BooleanOptionalAction)` convention
ASSISTANT: To implement this change, we need to modify the `aider/main.py` file. We will replace all instances of `--foo` and `--no-foo` switches with the `parser.add_argument('--feature', action=argparse.BooleanOptionalAction)` convention.
Here are the changes:
```python
aider/main.py
<<<<<<< HEAD
output_group.add_argument(
"--pretty",
action="store_true",
default=True,
help="Enable pretty, colorized output (default: True)",
)
output_group.add_argument(
"--no-pretty",
action="store_false",
dest="pretty",
help="Disable pretty, colorized output",
)
output_group.add_argument(
"--no-stream",
action="store_false",
dest="stream",
default=True,
help="Disable streaming responses",
)
git_group.add_argument(
"--no-git",
action="store_false",
dest="git",
default=True,
help="Do not look for a git repo",
)
git_group.add_argument(
"--auto-commits",
action="store_true",
dest="auto_commits",
default=True,
help="Enable auto commit of GPT changes (default: True)",
)
git_group.add_argument(
"--no-auto-commits",
action="store_false",
dest="auto_commits",
help="Disable auto commit of GPT changes (implies --no-dirty-commits)",
)
git_group.add_argument(
"--dirty-commits",
action="store_true",
dest="dirty_commits",
help="Enable commits when repo is found dirty",
default=True,
)
git_group.add_argument(
"--no-dirty-commits",
action="store_false",
dest="dirty_commits",
help="Disable commits when repo is found dirty",
)
git_group.add_argument(
"--dry-run",
action="store_true",
help="Perform a dry run without modifying files (default: False)",
default=False,
)
=======
output_group.add_argument(
"--pretty",
action=argparse.BooleanOptionalAction,
default=True,
help="Enable/disable pretty, colorized output (default: True)",
)
output_group.add_argument(
"--stream",
action=argparse.BooleanOptionalAction,
default=True,
help="Enable/disable streaming responses (default: True)",
)
git_group.add_argument(
"--git",
action=argparse.BooleanOptionalAction,
default=True,
help="Enable/disable looking for a git repo (default: True)",
)
git_group.add_argument(
"--auto-commits",
action=argparse.BooleanOptionalAction,
default=True,
help="Enable/disable auto commit of GPT changes (default: True)",
)
git_group.add_argument(
"--dirty-commits",
action=argparse.BooleanOptionalAction,
default=True,
help="Enable/disable commits when repo is found dirty (default: True)",
)
git_group.add_argument(
"--dry-run",
action=argparse.BooleanOptionalAction,
default=False,
help="Enable/disable performing a dry run without modifying files (default: False)",
)
>>>>>>> updated
```
Please note that the `argparse.BooleanOptionalAction` was introduced in Python 3.9. If you're using an older version of Python, you might need to upgrade or use a different approach.
USER: InvalidEditBlock: edit failed!
aider/main.py does not contain the *exact sequence* of HEAD lines you specified.
Try again.
DO NOT skip blank lines, comments, docstrings, etc!
The HEAD block needs to be EXACTLY the same as the lines in aider/main.py with nothing missing!
aider/main.py does not contain these 58 exact lines in a row:
```
output_group.add_argument(
"--pretty",
action="store_true",
default=True,
help="Enable pretty, colorized output (default: True)",
)
output_group.add_argument(
"--no-pretty",
action="store_false",
dest="pretty",
help="Disable pretty, colorized output",
)
output_group.add_argument(
"--no-stream",
action="store_false",
dest="stream",
default=True,
help="Disable streaming responses",
)
git_group.add_argument(
"--no-git",
action="store_false",
dest="git",
default=True,
help="Do not look for a git repo",
)
git_group.add_argument(
"--auto-commits",
action="store_true",
dest="auto_commits",
default=True,
help="Enable auto commit of GPT changes (default: True)",
)
git_group.add_argument(
"--no-auto-commits",
action="store_false",
dest="auto_commits",
help="Disable auto commit of GPT changes (implies --no-dirty-commits)",
)
git_group.add_argument(
"--dirty-commits",
action="store_true",
dest="dirty_commits",
help="Enable commits when repo is found dirty",
default=True,
)
git_group.add_argument(
"--no-dirty-commits",
action="store_false",
dest="dirty_commits",
help="Disable commits when repo is found dirty",
)
git_group.add_argument(
"--dry-run",
action="store_true",
help="Perform a dry run without modifying files (default: False)",
default=False,
)
```
ASSISTANT: I apologize for the confusion. It seems I made a mistake in grouping the changes. The arguments are not all together in the file, they are spread out in different argument groups. I will correct this and provide the changes in separate edit blocks for each argument group.
Here are the corrected changes:
```python
aider/main.py
<<<<<<< HEAD
output_group.add_argument(
"--pretty",
action="store_true",
default=True,
help="Enable pretty, colorized output (default: True)",
)
output_group.add_argument(
"--no-pretty",
action="store_false",
dest="pretty",
help="Disable pretty, colorized output",
)
output_group.add_argument(
"--no-stream",
action="store_false",
dest="stream",
default=True,
help="Disable streaming responses",
)
=======
output_group.add_argument(
"--pretty",
action=argparse.BooleanOptionalAction,
default=True,
help="Enable/disable pretty, colorized output (default: True)",
)
output_group.add_argument(
"--stream",
action=argparse.BooleanOptionalAction,
default=True,
help="Enable/disable streaming responses (default: True)",
)
>>>>>>> updated
```
```python
aider/main.py
<<<<<<< HEAD
git_group.add_argument(
"--no-git",
action="store_false",
dest="git",
default=True,
help="Do not look for a git repo",
)
git_group.add_argument(
"--auto-commits",
action="store_true",
dest="auto_commits",
default=True,
help="Enable auto commit of GPT changes (default: True)",
)
git_group.add_argument(
"--no-auto-commits",
action="store_false",
dest="auto_commits",
help="Disable auto commit of GPT changes (implies --no-dirty-commits)",
)
git_group.add_argument(
"--dirty-commits",
action="store_true",
dest="dirty_commits",
help="Enable commits when repo is found dirty",
default=True,
)
git_group.add_argument(
"--no-dirty-commits",
action="store_false",
dest="dirty_commits",
help="Disable commits when repo is found dirty",
)
git_group.add_argument(
"--dry-run",
action="store_true",
help="Perform a dry run without modifying files (default: False)",
default=False,
)
=======
git_group.add_argument(
"--git",
action=argparse.BooleanOptionalAction,
default=True,
help="Enable/disable looking for a git repo (default: True)",
)
git_group.add_argument(
"--auto-commits",
action=argparse.BooleanOptionalAction,
default=True,
help="Enable/disable auto commit of GPT changes (default: True)",
)
git_group.add_argument(
"--dirty-commits",
action=argparse.BooleanOptionalAction,
default=True,
help="Enable/disable commits when repo is found dirty (default: True)",
)
git_group.add_argument(
"--dry-run",
action=argparse.BooleanOptionalAction,
default=False,
help="Enable/disable performing a dry run without modifying files (default: False)",
)
>>>>>>> updated
```
Please note that the `argparse.BooleanOptionalAction` was introduced in Python 3.9. If you're using an older version of Python, you might need to upgrade or use a different approach.
# Aider chat conversation:
USER: add --voice-language switch with default "en" and pass it into `Coder`
ASSISTANT: To add the `--voice-language` switch, we need to modify the `aider/main.py` file. We will add the argument in the `core_group` section of the argument parser. Then, we will pass this argument to the `Coder` class.
Here are the changes:
```python
aider/main.py
<<<<<<< HEAD
core_group.add_argument(
"-3",
action="store_const",
dest="model",
const=models.GPT35_16k.name,
help=f"Use {models.GPT35_16k.name} model for the main chat (gpt-4 is better)",
)
=======
core_group.add_argument(
"-3",
action="store_const",
dest="model",
const=models.GPT35_16k.name,
help=f"Use {models.GPT35_16k.name} model for the main chat (gpt-4 is better)",
)
core_group.add_argument(
"--voice-language",
metavar="VOICE_LANGUAGE",
default="en",
help="Specify the language for voice (default: en)",
)
>>>>>>> updated
```
```python
aider/main.py
<<<<<<< HEAD
try:
coder = Coder.create(
main_model,
args.edit_format,
io,
##
fnames=fnames,
git_dname=git_dname,
pretty=args.pretty,
show_diffs=args.show_diffs,
auto_commits=args.auto_commits,
dirty_commits=args.dirty_commits,
dry_run=args.dry_run,
map_tokens=args.map_tokens,
verbose=args.verbose,
assistant_output_color=args.assistant_output_color,
code_theme=args.code_theme,
stream=args.stream,
use_git=args.git,
)
except ValueError as err:
io.tool_error(str(err))
return 1
=======
try:
coder = Coder.create(
main_model,
args.edit_format,
io,
##
fnames=fnames,
git_dname=git_dname,
pretty=args.pretty,
show_diffs=args.show_diffs,
auto_commits=args.auto_commits,
dirty_commits=args.dirty_commits,
dry_run=args.dry_run,
map_tokens=args.map_tokens,
verbose=args.verbose,
assistant_output_color=args.assistant_output_color,
code_theme=args.code_theme,
stream=args.stream,
use_git=args.git,
voice_language=args.voice_language,
)
except ValueError as err:
io.tool_error(str(err))
return 1
>>>>>>> updated
```
Please note that the `Coder` class and its subclasses (`EditBlockCoder`, `EditBlockFunctionCoder`, `SingleWholeFileFunctionCoder`, `WholeFileCoder`, `WholeFileFunctionCoder`) need to be updated to accept and use the `voice_language` argument. These changes are not shown here as the `Coder` class and its subclasses are not provided in the *read-write* files.
# Aider chat conversation:
USER: @patch("aider.repo.AiderRepo.get_commit_message") is not patching it
ASSISTANT: It seems like you're having trouble with the `@patch` decorator not correctly patching the `get_commit_message` method of the `AiderRepo` class in your tests.
To help you with this, I need to understand the context better. Could you please provide more details about the issue? Are you getting any error messages? If so, could you share them?
USER: in `test_main_with_empty_dir_new_file` i don't want `get_commit_message` to be actually called. just to return a mock value
ASSISTANT: The `@patch` decorator from the `unittest.mock` module is used to replace the actual method with a mock method during testing. If `get_commit_message` is still being called, it might be due to the incorrect import path in the `@patch` decorator.
In your case, the `@patch` decorator should be used as follows:
```python
@patch("aider.repo.AiderRepo.get_commit_message", return_value="commit message!")
```
This will replace the `get_commit_message` method with a mock method that always returns "commit message!".
Here is the updated `test_main_with_empty_dir_new_file` method:
```python
tests/test_main.py
<<<<<<< ORIGINAL
@patch("aider.repo.AiderRepo.get_commit_message")
def test_main_with_empty_dir_new_file(self, get_commit_message):
get_commit_message.return_value = "commit message!"
main(["foo.txt", "--yes","--no-git"], input=DummyInput(), output=DummyOutput())
self.assertTrue(os.path.exists("foo.txt"))
=======
@patch("aider.repo.AiderRepo.get_commit_message", return_value="commit message!")
def test_main_with_empty_dir_new_file(self, get_commit_message):
main(["foo.txt", "--yes","--no-git"], input=DummyInput(), output=DummyOutput())
self.assertTrue(os.path.exists("foo.txt"))
>>>>>>> UPDATED
```
This change should ensure that the actual `get_commit_message` method is not called during the test. Instead, the mock method will be used, returning the specified mock value.
# Aider chat conversation:
USER: if VSCODE_GIT_IPC_HANDLE is set in the environment, turn off pretty and tell the user a VSCode terminal has been detected so pretty output has been disabled
ASSISTANT: To implement this change, we need to modify the `main` function in the `aider/main.py` file. We will check if the `VSCODE_GIT_IPC_HANDLE` environment variable is set and if so, disable pretty output and inform the user.
Here is the proposed change:
```python
aider/main.py
<<<<<<< ORIGINAL
args = parser.parse_args(args)
if args.dark_mode:
args.user_input_color = "#32FF32"
args.tool_error_color = "#FF3333"
args.assistant_output_color = "#00FFFF"
args.code_theme = "monokai"
if args.light_mode:
args.user_input_color = "green"
args.tool_error_color = "red"
args.assistant_output_color = "blue"
args.code_theme = "default"
=======
args = parser.parse_args(args)
if 'VSCODE_GIT_IPC_HANDLE' in os.environ:
args.pretty = False
print("VSCode terminal detected, pretty output has been disabled.")
if args.dark_mode:
args.user_input_color = "#32FF32"
args.tool_error_color = "#FF3333"
args.assistant_output_color = "#00FFFF"
args.code_theme = "monokai"
if args.light_mode:
args.user_input_color = "green"
args.tool_error_color = "red"
args.assistant_output_color = "blue"
args.code_theme = "default"
>>>>>>> UPDATED
```
This change checks for the `VSCODE_GIT_IPC_HANDLE` environment variable right after parsing the arguments. If it's present, it sets `args.pretty` to `False` and prints a message to the user.
