Template a registry's dl field #4836
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Previously, crate files were always downloaded from
`/{crate}/{version}/download`. However, if the backing crate store for a
custom registry is a raw file server rather than an API endpoint that
requires every file to be named `download` which is a bit weird. Now a
registry's dl URL can be templated with `{crate}` and `{version}` to
have more control over the resulting path.
For backwards compatibility, we append the default template suffix onto
the dl URL if neither of the template parameters are present for
backwards compatibility.
withoutboats
approved these changes
Dec 19, 2017
src/cargo/sources/registry/remote.rs
Outdated
| .push("download"); | ||
| let mut url = config.dl.clone(); | ||
| if !url.contains(CRATE_TEMPLATE) && !url.contains(VERSION_TEMPLATE) { | ||
| let suffix = format!("/{}/{}/download", CRATE_TEMPLATE, VERSION_TEMPLATE); |
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Total nit but this intermediate allocation bothers me, can't we do write!(url, "/{}/{}/downloads", ...)?
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Note: we cannot change crates.io to use this syntax because the registry needs to support older versions of cargo. So the backwards compatible form will be used by the registry indefinitely. |
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Updated! |
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@bors r+ |
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📌 Commit 52f099b has been approved by |
bors
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Dec 19, 2017
Template a registry's dl field
Previously, crate files were always downloaded from
`/{crate}/{version}/download`. However, if the backing crate store for a
custom registry is a raw file server rather than an API endpoint that
requires every file to be named `download` which is a bit weird. Now a
registry's dl URL can be templated with `{crate}` and `{version}` to
have more control over the resulting path.
For backwards compatibility, we append the default template suffix onto
the dl URL if neither of the template parameters are present for
backwards compatibility.
r? @alexcrichton
cc @withoutboats
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☀️ Test successful - status-appveyor, status-travis |
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Previously, crate files were always downloaded from
/{crate}/{version}/download. However, if the backing crate store for acustom registry is a raw file server rather than an API endpoint that
requires every file to be named
downloadwhich is a bit weird. Now aregistry's dl URL can be templated with
{crate}and{version}tohave more control over the resulting path.
For backwards compatibility, we append the default template suffix onto
the dl URL if neither of the template parameters are present for
backwards compatibility.
r? @alexcrichton
cc @withoutboats