Avoid duplicating first-entry comments in `uv add` (#9109)

## Summary

Closes https://github.com/astral-sh/uv/issues/9105.
This commit is contained in:
Charlie Marsh 2024-11-13 21:13:59 -05:00 committed by GitHub
parent 8c663d2a3f
commit 2e73f47453
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GPG Key ID: B5690EEEBB952194
2 changed files with 236 additions and 1 deletions

View File

@ -957,6 +957,23 @@ pub fn add_dependency(
let decor = value.decor_mut();
// If we're adding to the end of the list, treat trailing comments as leading comments
// on the added dependency.
//
// For example, given:
// ```toml
// dependencies = [
// "anyio", # trailing comment
// ]
// ```
//
// If we add `flask` to the end, we want to retain the comment on `anyio`:
// ```toml
// dependencies = [
// "anyio", # trailing comment
// "flask",
// ]
// ```
if index == deps.len() {
decor.set_prefix(deps.trailing().clone());
deps.set_trailing("");
@ -979,7 +996,76 @@ pub fn add_dependency(
.unwrap()
.clone();
// However, if the prefix includes a comment, we don't want to duplicate it.
// Depending on the location of the comment, we either want to leave it as-is, or
// attach it to the entry that's being moved to the next line.
//
// For example, given:
// ```toml
// dependencies = [ # comment
// "flask",
// ]
// ```
//
// If we add `anyio` to the beginning, we want to retain the comment on the open
// bracket:
// ```toml
// dependencies = [ # comment
// "anyio",
// "flask",
// ]
// ```
//
// However, given:
// ```toml
// dependencies = [
// # comment
// "flask",
// ]
// ```
//
// If we add `anyio` to the beginning, we want the comment to move down with the
// existing entry:
// entry:
// ```toml
// dependencies = [
// "anyio",
// # comment
// "flask",
// ]
if let Some(prefix) = prefix.as_str() {
// Treat anything before the first own-line comment as a prefix on the new
// entry; anything after the first own-line comment is a prefix on the existing
// entry.
//
// This is equivalent to using the first and last line content as the prefix for
// the new entry, and the rest as the prefix for the existing entry.
if let Some((first_line, rest)) = prefix.split_once(['\r', '\n']) {
// Determine the appropriate newline character.
let newline = {
let mut chars = prefix[first_line.len()..].chars();
match (chars.next(), chars.next()) {
(Some('\r'), Some('\n')) => "\r\n",
(Some('\r'), _) => "\r",
(Some('\n'), _) => "\n",
_ => "\n",
}
};
let last_line = rest.lines().last().unwrap_or_default();
let prefix = format!("{first_line}{newline}{last_line}");
deps.get_mut(index).unwrap().decor_mut().set_prefix(prefix);
let prefix = format!("{newline}{rest}");
deps.get_mut(index + 1)
.unwrap()
.decor_mut()
.set_prefix(prefix);
} else {
deps.get_mut(index).unwrap().decor_mut().set_prefix(prefix);
}
} else {
deps.get_mut(index).unwrap().decor_mut().set_prefix(prefix);
}
}
reformat_array_multiline(deps);

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@ -7681,3 +7681,152 @@ fn add_preserves_trailing_depth() -> Result<()> {
Ok(())
}
#[test]
fn add_preserves_first_own_line_comment() -> Result<()> {
let context = TestContext::new("3.12");
let pyproject_toml = context.temp_dir.child("pyproject.toml");
pyproject_toml.write_str(indoc! {r#"
[project]
name = "project"
version = "0.1.0"
requires-python = ">=3.12"
dependencies = [
# comment
"sniffio==1.3.1",
]
"#})?;
uv_snapshot!(context.filters(), context.add().arg("charset-normalizer"), @r###"
success: true
exit_code: 0
----- stdout -----
----- stderr -----
Resolved 3 packages in [TIME]
Prepared 2 packages in [TIME]
Installed 2 packages in [TIME]
+ charset-normalizer==3.3.2
+ sniffio==1.3.1
"###);
let pyproject_toml = context.read("pyproject.toml");
insta::with_settings!({
filters => context.filters(),
}, {
assert_snapshot!(
pyproject_toml, @r###"
[project]
name = "project"
version = "0.1.0"
requires-python = ">=3.12"
dependencies = [
"charset-normalizer>=3.3.2",
# comment
"sniffio==1.3.1",
]
"###
);
});
Ok(())
}
#[test]
fn add_preserves_first_line_bracket_comment() -> Result<()> {
let context = TestContext::new("3.12");
let pyproject_toml = context.temp_dir.child("pyproject.toml");
pyproject_toml.write_str(indoc! {r#"
[project]
name = "project"
version = "0.1.0"
requires-python = ">=3.12"
dependencies = [ # comment
"sniffio==1.3.1",
]
"#})?;
uv_snapshot!(context.filters(), context.add().arg("charset-normalizer"), @r###"
success: true
exit_code: 0
----- stdout -----
----- stderr -----
Resolved 3 packages in [TIME]
Prepared 2 packages in [TIME]
Installed 2 packages in [TIME]
+ charset-normalizer==3.3.2
+ sniffio==1.3.1
"###);
let pyproject_toml = context.read("pyproject.toml");
insta::with_settings!({
filters => context.filters(),
}, {
assert_snapshot!(
pyproject_toml, @r###"
[project]
name = "project"
version = "0.1.0"
requires-python = ">=3.12"
dependencies = [ # comment
"charset-normalizer>=3.3.2",
"sniffio==1.3.1",
]
"###
);
});
Ok(())
}
#[test]
fn add_no_indent() -> Result<()> {
let context = TestContext::new("3.12");
let pyproject_toml = context.temp_dir.child("pyproject.toml");
pyproject_toml.write_str(indoc! {r#"
[project]
name = "project"
version = "0.1.0"
requires-python = ">=3.12"
dependencies = [
"sniffio==1.3.1"
]
"#})?;
uv_snapshot!(context.filters(), context.add().arg("charset-normalizer"), @r###"
success: true
exit_code: 0
----- stdout -----
----- stderr -----
Resolved 3 packages in [TIME]
Prepared 2 packages in [TIME]
Installed 2 packages in [TIME]
+ charset-normalizer==3.3.2
+ sniffio==1.3.1
"###);
let pyproject_toml = context.read("pyproject.toml");
insta::with_settings!({
filters => context.filters(),
}, {
assert_snapshot!(
pyproject_toml, @r###"
[project]
name = "project"
version = "0.1.0"
requires-python = ">=3.12"
dependencies = [
"charset-normalizer>=3.3.2",
"sniffio==1.3.1",
]
"###
);
});
Ok(())
}