fix(update): Group -p related flags

Author: epage

src/bin/cargo/commands/update.rs

@@ -16,7 +16,6 @@ pub fn cli() -> Command {
             )
             .conflicts_with("precise"),
         )
-        .arg_dry_run("Don't actually write the lockfile")
         .arg(
             opt(
                 "precise",
@@ -26,6 +25,7 @@ pub fn cli() -> Command {
             .requires("package"),
         )
         .arg_manifest_path()
+        .arg_dry_run("Don't actually write the lockfile")
         .after_help("Run `cargo help update` for more detailed information.\n")
 }
 

tests/testsuite/cargo_update/help/stdout.log

@@ -7,9 +7,9 @@ Options:
   -w, --workspace             Only update the workspace packages
   -p, --package [<SPEC>]      Package to update
       --aggressive            Force updating all dependencies of SPEC as well when used with -p
-      --dry-run               Don't actually write the lockfile
       --precise <PRECISE>     Update a single dependency to exactly PRECISE when used with -p
       --manifest-path <PATH>  Path to Cargo.toml
+      --dry-run               Don't actually write the lockfile
   -h, --help                  Print help
   -v, --verbose...            Use verbose output (-vv very verbose/build.rs output)
       --color <WHEN>          Coloring: auto, always, never