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move pre-release specific error message
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Eh2406 committed Sep 12, 2023
1 parent 7880215 commit dcde7eb
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Showing 3 changed files with 109 additions and 110 deletions.
215 changes: 105 additions & 110 deletions src/cargo/core/resolver/errors.rs
Original file line number Diff line number Diff line change
Expand Up @@ -240,127 +240,122 @@ pub(super) fn activation_error(

candidates.sort_unstable_by(|a, b| b.version().cmp(a.version()));

let mut msg =
if !candidates.is_empty() {
let versions = {
let mut versions = candidates
.iter()
.take(3)
.map(|cand| cand.version().to_string())
.collect::<Vec<_>>();

if candidates.len() > 3 {
versions.push("...".into());
}
let mut msg = if !candidates.is_empty() {
let versions = {
let mut versions = candidates
.iter()
.take(3)
.map(|cand| cand.version().to_string())
.collect::<Vec<_>>();

versions.join(", ")
};
if candidates.len() > 3 {
versions.push("...".into());
}

let locked_version = dep
.version_req()
.locked_version()
.map(|v| format!(" (locked to {})", v))
.unwrap_or_default();
versions.join(", ")
};

let locked_version = dep
.version_req()
.locked_version()
.map(|v| format!(" (locked to {})", v))
.unwrap_or_default();

let mut msg = format!(
"failed to select a version for the requirement `{} = \"{}\"`{}\n\
candidate versions found which didn't match: {}\n\
location searched: {}\n",
dep.package_name(),
dep.version_req(),
locked_version,
versions,
registry.describe_source(dep.source_id()),
);
msg.push_str("required by ");
msg.push_str(&describe_path_in_context(cx, &parent.package_id()));

let mut msg = format!(
"failed to select a version for the requirement `{} = \"{}\"`{}\n\
candidate versions found which didn't match: {}\n\
location searched: {}\n",
dep.package_name(),
dep.version_req(),
locked_version,
versions,
registry.describe_source(dep.source_id()),
// If we have a pre-release candidate, then that may be what our user is looking for
if let Some(pre) = candidates.iter().find(|c| c.version().is_prerelease()) {
msg.push_str("\nif you are looking for the prerelease package it needs to be specified explicitly");
msg.push_str(&format!(
"\n {} = {{ version = \"{}\" }}",
pre.name(),
pre.version()
));
}

// If we have a path dependency with a locked version, then this may
// indicate that we updated a sub-package and forgot to run `cargo
// update`. In this case try to print a helpful error!
if dep.source_id().is_path() && dep.version_req().is_locked() {
msg.push_str(
"\nconsider running `cargo update` to update \
a path dependency's locked version",
);
msg.push_str("required by ");
msg.push_str(&describe_path_in_context(cx, &parent.package_id()));

// If we have a path dependency with a locked version, then this may
// indicate that we updated a sub-package and forgot to run `cargo
// update`. In this case try to print a helpful error!
if dep.source_id().is_path() && dep.version_req().is_locked() {
msg.push_str(
"\nconsider running `cargo update` to update \
a path dependency's locked version",
);
}
}

if registry.is_replaced(dep.source_id()) {
msg.push_str("\nperhaps a crate was updated and forgotten to be re-vendored?");
}

if registry.is_replaced(dep.source_id()) {
msg.push_str("\nperhaps a crate was updated and forgotten to be re-vendored?");
msg
} else {
// Maybe the user mistyped the name? Like `dep-thing` when `Dep_Thing`
// was meant. So we try asking the registry for a `fuzzy` search for suggestions.
let mut candidates = loop {
match registry.query_vec(&new_dep, QueryKind::Fuzzy) {
Poll::Ready(Ok(candidates)) => break candidates,
Poll::Ready(Err(e)) => return to_resolve_err(e),
Poll::Pending => match registry.block_until_ready() {
Ok(()) => continue,
Err(e) => return to_resolve_err(e),
},
}
};

msg
candidates.sort_unstable_by_key(|a| a.name());
candidates.dedup_by(|a, b| a.name() == b.name());
let mut candidates: Vec<_> = candidates
.iter()
.filter_map(|n| Some((edit_distance(&*new_dep.package_name(), &*n.name(), 3)?, n)))
.collect();
candidates.sort_by_key(|o| o.0);
let mut msg: String;
if candidates.is_empty() {
msg = format!("no matching package named `{}` found\n", dep.package_name());
} else {
// Maybe the user mistyped the name? Like `dep-thing` when `Dep_Thing`
// was meant. So we try asking the registry for a `fuzzy` search for suggestions.
let mut candidates = loop {
match registry.query_vec(&new_dep, QueryKind::Fuzzy) {
Poll::Ready(Ok(candidates)) => break candidates,
Poll::Ready(Err(e)) => return to_resolve_err(e),
Poll::Pending => match registry.block_until_ready() {
Ok(()) => continue,
Err(e) => return to_resolve_err(e),
},
}
};

candidates.sort_unstable_by_key(|a| a.name());
candidates.dedup_by(|a, b| a.name() == b.name());
let mut candidates: Vec<_> = candidates
msg = format!(
"no matching package found\nsearched package name: `{}`\n",
dep.package_name()
);
let mut names = candidates
.iter()
.filter_map(|n| Some((edit_distance(&*new_dep.package_name(), &*n.name(), 3)?, n)))
.collect();
candidates.sort_by_key(|o| o.0);
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()
&& candidates[0].1.package_id().version().is_prerelease()
{
msg.push_str("prerelease package needs to be specified explicitly\n");
msg.push_str(&format!(
"{name} = {{ version = \"{version}\" }}",
name = candidates[0].1.name(),
version = candidates[0].1.package_id().version()
));
} else {
let mut names = candidates
.iter()
.take(3)
.map(|c| c.1.name().as_str())
.collect::<Vec<_>>();

if candidates.len() > 3 {
names.push("...");
}
// 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 {
0 => acc + el,
i if names.len() - 1 == i && candidates.len() <= 3 => acc + " or " + el,
_ => acc + ", " + el,
},
));
}
msg.push('\n');
.take(3)
.map(|c| c.1.name().as_str())
.collect::<Vec<_>>();

if candidates.len() > 3 {
names.push("...");
}
msg.push_str(&format!("location searched: {}\n", dep.source_id()));
msg.push_str("required by ");
msg.push_str(&describe_path_in_context(cx, &parent.package_id()));
// 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 {
0 => acc + el,
i if names.len() - 1 == i && candidates.len() <= 3 => acc + " or " + el,
_ => acc + ", " + el,
},
));
msg.push('\n');
}
msg.push_str(&format!("location searched: {}\n", dep.source_id()));
msg.push_str("required by ");
msg.push_str(&describe_path_in_context(cx, &parent.package_id()));

msg
};
msg
};

if let Some(config) = config {
if config.offline() {
Expand Down
2 changes: 2 additions & 0 deletions tests/testsuite/patch.rs
Original file line number Diff line number Diff line change
Expand Up @@ -2694,6 +2694,8 @@ fn mismatched_version_with_prerelease() {
candidate versions found which didn't match: 0.1.1-pre1, 0.0.1
location searched: `dummy-registry` index (which is replacing registry `crates-io`)
required by package `foo v0.1.0 [..]`
if you are looking for the prerelease package it needs to be specified explicitly
prerelease-deps = { version = "0.1.1-pre1" }
perhaps a crate was updated and forgotten to be re-vendored?"#,
)
.run();
Expand Down
2 changes: 2 additions & 0 deletions tests/testsuite/registry.rs
Original file line number Diff line number Diff line change
Expand Up @@ -1760,6 +1760,8 @@ error: failed to select a version for the requirement `a = \"^0.1\"`
candidate versions found which didn't match: 0.1.1-alpha.0
location searched: [..]
required by package `b v0.1.0 ([..])`
if you are looking for the prerelease package it needs to be specified explicitly
a = { version = \"0.1.1-alpha.0\" }
",
)
.run();
Expand Down

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