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Spot the crate typo easily #9665

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merged 3 commits into from
Jul 14, 2021
Merged

Spot the crate typo easily #9665

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671ba3f
Spot the typo easily
gilescope Jul 7, 2021
dc0e53b
Reworking message to not care about an intial offset
gilescope Jul 10, 2021
e94199c
Only put it on a new line if there's candidates to compare against.
gilescope Jul 11, 2021
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23 changes: 13 additions & 10 deletions src/cargo/core/resolver/errors.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -284,13 +284,15 @@ pub(super) fn activation_error(
.filter(|&(d, _)| d < 4)
.collect();
candidates.sort_by_key(|o| o.0);
let mut msg = format!(
"no matching package named `{}` found\n\
location searched: {}\n",
dep.package_name(),
dep.source_id()
);
if !candidates.is_empty() {
let mut msg: String;
if candidates.is_empty() {
msg = format!("no matching package named `{}` found\n", dep.package_name());
} else {
msg = format!(
"no matching package found\nsearched package name: `{}`\n",
dep.package_name()
);

// If dependency package name is equal to the name of the candidate here
// it may be a prerelease package which hasn't been specified correctly
if dep.package_name() == candidates[0].1.name()
Expand All @@ -312,8 +314,9 @@ pub(super) fn activation_error(
if candidates.len() > 3 {
names.push("...");
}

msg.push_str("perhaps you meant: ");
// Vertically align first suggestion with missing crate name
// so a typo jumps out at you.
msg.push_str("perhaps you meant: ");
msg.push_str(&names.iter().enumerate().fold(
String::default(),
|acc, (i, el)| match i {
Expand All @@ -323,9 +326,9 @@ pub(super) fn activation_error(
},
));
}

msg.push('\n');
}
msg.push_str(&format!("location searched: {}\n", dep.source_id()));
msg.push_str("required by ");
msg.push_str(&describe_path(
&cx.parents.path_to_bottom(&parent.package_id()),
Expand Down
5 changes: 3 additions & 2 deletions tests/testsuite/directory.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -191,9 +191,10 @@ fn simple_install_fail() {
error: failed to compile `bar v0.1.0`, intermediate artifacts can be found at `[..]`
Caused by:
no matching package named `baz` found
no matching package found
searched package name: `baz`
perhaps you meant: bar or foo
location searched: registry `https://github.com/rust-lang/crates.io-index`
perhaps you meant: bar or foo
required by package `bar v0.1.0`
",
)
Expand Down
5 changes: 3 additions & 2 deletions tests/testsuite/path.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -964,9 +964,10 @@ fn invalid_path_dep_in_workspace_with_lockfile() {
.with_status(101)
.with_stderr(
"\
error: no matching package named `bar` found
error: no matching package found
searched package name: `bar`
perhaps you meant: foo
location searched: [..]
perhaps you meant: foo
required by package `foo v0.5.0 ([..])`
",
)
Expand Down
15 changes: 9 additions & 6 deletions tests/testsuite/registry.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -155,9 +155,10 @@ fn wrong_case() {
.with_stderr(
"\
[UPDATING] [..] index
error: no matching package named `Init` found
error: no matching package found
searched package name: `Init`
perhaps you meant: init
location searched: registry [..]
perhaps you meant: init
required by package `foo v0.0.1 ([..])`
",
)
Expand Down Expand Up @@ -190,9 +191,10 @@ fn mis_hyphenated() {
.with_stderr(
"\
[UPDATING] [..] index
error: no matching package named `mis_hyphenated` found
error: no matching package found
searched package name: `mis_hyphenated`
perhaps you meant: mis-hyphenated
location searched: registry [..]
perhaps you meant: mis-hyphenated
required by package `foo v0.0.1 ([..])`
",
)
Expand Down Expand Up @@ -1438,10 +1440,11 @@ fn use_semver_package_incorrectly() {
.with_status(101)
.with_stderr(
"\
error: no matching package named `a` found
location searched: [..]
error: no matching package found
searched package name: `a`
prerelease package needs to be specified explicitly
a = { version = \"0.1.1-alpha.0\" }
location searched: [..]
required by package `b v0.1.0 ([..])`
",
)
Expand Down