doc (publish): use precise links to token config docs

Author: omskscream

src/doc/man/cargo-publish.md

@@ -28,8 +28,9 @@ following steps:
    and may timeout. In that case, you will need to check for completion
    manually. This timeout does not affect the upload.
 
-This command requires you to be authenticated using {{man "cargo-login" 1}} 
-or [environment variables](../reference/environment-variables.html).
+This command requires you to be authenticated using {{man "cargo-login" 1}}
+or environment variables of the [`registry.token`](../reference/config.html#registrytoken)
+and [`registries.<name>.token`](../reference/config.html#registriesnametoken) config fields.
 
 See [the reference](../reference/publishing.html) for more details about
 packaging and publishing.

src/doc/man/generated_txt/cargo-publish.txt

@@ -26,8 +26,11 @@ DESCRIPTION
           manually. This timeout does not affect the upload.
 
        This command requires you to be authenticated using cargo-login(1) or
-       environment variables
-       <https://doc.rust-lang.org/cargo/reference/environment-variables.html>.
+       environment variables of the registry.token
+       <https://doc.rust-lang.org/cargo/reference/config.html#registrytoken>
+       and registries.<name>.token
+       <https://doc.rust-lang.org/cargo/reference/config.html#registriesnametoken>
+       config fields.
 
        See the reference
        <https://doc.rust-lang.org/cargo/reference/publishing.html> for more

src/doc/src/commands/cargo-publish.md

@@ -24,8 +24,9 @@ following steps:
    and may timeout. In that case, you will need to check for completion
    manually. This timeout does not affect the upload.
 
-This command requires you to be authenticated using [cargo-login(1)](cargo-login.html) 
-or [environment variables](../reference/environment-variables.html).
+This command requires you to be authenticated using [cargo-login(1)](cargo-login.html)
+or environment variables of the [`registry.token`](../reference/config.html#registrytoken)
+and [`registries.<name>.token`](../reference/config.html#registriesnametoken) config fields.
 
 See [the reference](../reference/publishing.html) for more details about
 packaging and publishing.

src/etc/man/cargo-publish.1

@@ -38,7 +38,8 @@ manually. This timeout does not affect the upload.
 .RE
 .sp
 This command requires you to be authenticated using \fBcargo\-login\fR(1)
-or \fIenvironment variables\fR <https://doc.rust\-lang.org/cargo/reference/environment\-variables.html>\&.
+or environment variables of the \fI\f(BIregistry.token\fI\fR <https://doc.rust\-lang.org/cargo/reference/config.html#registrytoken>
+and \fI\f(BIregistries.<name>.token\fI\fR <https://doc.rust\-lang.org/cargo/reference/config.html#registriesnametoken> config fields.
 .sp
 See \fIthe reference\fR <https://doc.rust\-lang.org/cargo/reference/publishing.html> for more details about
 packaging and publishing.