codegen: Clean up rust crate handling

main.sh

@@ -152,6 +152,7 @@ read_manifest() {
     local tool="$1"
     local version="$2"
     local manifest
+    rust_crate=$(jq -r ".rust_crate" "${manifest_dir}/${tool}.json")
     manifest=$(jq -r ".\"${version}\"" "${manifest_dir}/${tool}.json")
     if [[ "${manifest}" == "null" ]]; then
         download_info="null"
@@ -220,15 +221,14 @@ read_download_info() {
         template=$(jq -r ".template.${host_platform}" "${manifest_dir}/${tool}.json")
         url=$(jq <<<"${template}" -r '.url')
         url="${url//\$\{version\}/${exact_version}}"
-        bin_dir=$(jq <<<"${template}" -r '.bin_dir')
-        bin_dir="${bin_dir//\$\{version\}/${exact_version}}"
         bin_in_archive=$(jq <<<"${template}" -r '.bin')
         bin_in_archive="${bin_in_archive//\$\{version\}/${exact_version}}"
     else
-        bin_dir=$(jq <<<"${download_info}" -r '.bin_dir')
         bin_in_archive=$(jq <<<"${download_info}" -r '.bin')
     fi
-    if [[ "${bin_dir}" == "null" ]]; then
+    if [[ "${rust_crate}" == "null" ]]; then
+        bin_dir="/usr/local/bin"
+    else
         bin_dir="${cargo_bin}"
     fi
     if [[ "${bin_in_archive}" == "null" ]]; then
@@ -563,10 +563,13 @@ for tool in "${tools[@]}"; do
             # Use cargo-binstall fallback if tool is available but the specified version not available.
             read_manifest "${tool}" "${version}"
             if [[ "${download_info}" == "null" ]]; then
+                if [[ "${rust_crate}" == "null" ]]; then
+                    bail "${tool}@${version} for '${host_os}' is not supported"
+                fi
                 warn "${tool}@${version} for '${host_os}' is not supported; fallback to cargo-binstall"
                 case "${version}" in
-                    latest) unsupported_tools+=("${tool}") ;;
+                    latest) unsupported_tools+=("${rust_crate}") ;;
-                    *) unsupported_tools+=("${tool}@${version}") ;;
+                    *) unsupported_tools+=("${rust_crate}@${version}") ;;
                 esac
                 continue
             fi

manifests/cargo-binstall.json

@@ -1,4 +1,5 @@
 {
+  "rust_crate": "cargo-binstall",
   "template": {
     "x86_64_linux_musl": {
       "url": "https://github.com/cargo-bins/cargo-binstall/releases/download/v${version}/cargo-binstall-x86_64-unknown-linux-musl.tgz"

manifests/cargo-careful.json

@@ -1,4 +1,5 @@
 {
+  "rust_crate": "cargo-careful",
   "template": {
     "x86_64_linux_musl": {
       "url": "https://github.com/RalfJung/cargo-careful/releases/download/v${version}/cargo-careful.x86_64-unknown-linux-musl"

manifests/cargo-deny.json

@@ -1,4 +1,5 @@
 {
+  "rust_crate": "cargo-deny",
   "template": {
     "x86_64_linux_musl": {
       "url": "https://github.com/EmbarkStudios/cargo-deny/releases/download/${version}/cargo-deny-${version}-x86_64-unknown-linux-musl.tar.gz",

manifests/cargo-dinghy.json

@@ -1,4 +1,5 @@
 {
+  "rust_crate": "cargo-dinghy",
   "template": {
     "x86_64_linux_musl": {
       "url": "https://github.com/sonos/dinghy/releases/download/${version}/cargo-dinghy-linux-${version}.tgz",

manifests/cargo-hack.json

@@ -1,4 +1,5 @@
 {
+  "rust_crate": "cargo-hack",
   "template": null,
   "latest": {
     "version": "0.5.28"

manifests/cargo-llvm-cov.json

@@ -1,4 +1,5 @@
 {
+  "rust_crate": "cargo-llvm-cov",
   "template": {
     "x86_64_linux_musl": {
       "url": "https://github.com/taiki-e/cargo-llvm-cov/releases/download/v${version}/cargo-llvm-cov-x86_64-unknown-linux-musl.tar.gz"

manifests/cargo-make.json

@@ -1,4 +1,5 @@
 {
+  "rust_crate": "cargo-make",
   "template": {
     "x86_64_linux_musl": {
       "url": "https://github.com/sagiegurari/cargo-make/releases/download/${version}/cargo-make-v${version}-x86_64-unknown-linux-musl.zip",

manifests/cargo-minimal-versions.json

@@ -1,4 +1,5 @@
 {
+  "rust_crate": "cargo-minimal-versions",
   "template": {
     "x86_64_linux_musl": {
       "url": "https://github.com/taiki-e/cargo-minimal-versions/releases/download/v${version}/cargo-minimal-versions-x86_64-unknown-linux-musl.tar.gz"

manifests/cargo-nextest.json

@@ -1,4 +1,5 @@
 {
+  "rust_crate": "cargo-nextest",
   "template": {
     "x86_64_linux_gnu": {
       "url": "https://github.com/nextest-rs/nextest/releases/download/cargo-nextest-${version}/cargo-nextest-${version}-x86_64-unknown-linux-gnu.tar.gz"

manifests/cargo-no-dev-deps.json

@@ -1,4 +1,5 @@
 {
+  "rust_crate": "cargo-no-dev-deps",
   "template": {
     "x86_64_linux_musl": {
       "url": "https://github.com/taiki-e/cargo-no-dev-deps/releases/download/v${version}/cargo-no-dev-deps-x86_64-unknown-linux-musl.tar.gz"

manifests/cargo-tarpaulin.json

@@ -1,4 +1,5 @@
 {
+  "rust_crate": "cargo-tarpaulin",
   "template": {
     "x86_64_linux_musl": {
       "url": "https://github.com/xd009642/tarpaulin/releases/download/${version}/cargo-tarpaulin-x86_64-unknown-linux-musl.tar.gz"

manifests/cargo-udeps.json

@@ -1,4 +1,5 @@
 {
+  "rust_crate": "cargo-udeps",
   "template": {
     "x86_64_linux_gnu": {
       "url": "https://github.com/est31/cargo-udeps/releases/download/v${version}/cargo-udeps-v${version}-x86_64-unknown-linux-gnu.tar.gz",

manifests/cargo-valgrind.json

@@ -1,4 +1,5 @@
 {
+  "rust_crate": "cargo-valgrind",
   "template": {
     "x86_64_linux_musl": {
       "url": "https://github.com/jfrimmel/cargo-valgrind/releases/download/v${version}/cargo-valgrind-${version}-x86_64-unknown-linux-musl.tar.gz"

manifests/cross.json

@@ -1,4 +1,5 @@
 {
+  "rust_crate": "cross",
   "template": null,
   "latest": {
     "version": "0.2.5"

manifests/dprint.json

@@ -1,4 +1,5 @@
 {
+  "rust_crate": "dprint",
   "template": {
     "x86_64_linux_gnu": {
       "url": "https://github.com/dprint/dprint/releases/download/${version}/dprint-x86_64-unknown-linux-gnu.zip"

manifests/grcov.json

@@ -1,4 +1,5 @@
 {
+  "rust_crate": "grcov",
   "template": {
     "x86_64_linux_musl": {
       "url": "https://github.com/mozilla/grcov/releases/download/v${version}/grcov-x86_64-unknown-linux-musl.tar.bz2"

manifests/just.json

@@ -1,4 +1,5 @@
 {
+  "rust_crate": "just",
   "template": {
     "x86_64_linux_musl": {
       "url": "https://github.com/casey/just/releases/download/${version}/just-${version}-x86_64-unknown-linux-musl.tar.gz"

manifests/mdbook-linkcheck.json

@@ -1,4 +1,5 @@
 {
+  "rust_crate": "mdbook-linkcheck",
   "template": {
     "x86_64_linux_gnu": {
       "url": "https://github.com/Michael-F-Bryan/mdbook-linkcheck/releases/download/v${version}/mdbook-linkcheck.x86_64-unknown-linux-gnu.zip"

manifests/mdbook.json

@@ -1,4 +1,5 @@
 {
+  "rust_crate": "mdbook",
   "template": {
     "x86_64_linux_gnu": {
       "url": "https://github.com/rust-lang/mdBook/releases/download/v${version}/mdbook-v${version}-x86_64-unknown-linux-gnu.tar.gz"

manifests/parse-changelog.json

@@ -1,4 +1,5 @@
 {
+  "rust_crate": "parse-changelog",
   "template": {
     "x86_64_linux_gnu": {
       "url": "https://github.com/taiki-e/parse-changelog/releases/download/v${version}/parse-changelog-x86_64-unknown-linux-gnu.tar.gz"

manifests/protoc.json

@@ -1,4 +1,5 @@
 {
+  "rust_crate": null,
   "template": null,
   "latest": {
     "version": "3.23.4"

manifests/shellcheck.json

@@ -1,23 +1,20 @@
 {
+  "rust_crate": null,
   "template": {
     "x86_64_linux_gnu": {
       "url": "https://github.com/koalaman/shellcheck/releases/download/v${version}/shellcheck-v${version}.linux.x86_64.tar.xz",
-      "bin_dir": "/usr/local/bin",
       "bin": "shellcheck-v${version}/shellcheck"
     },
     "x86_64_macos": {
       "url": "https://github.com/koalaman/shellcheck/releases/download/v${version}/shellcheck-v${version}.darwin.x86_64.tar.xz",
-      "bin_dir": "/usr/local/bin",
       "bin": "shellcheck-v${version}/shellcheck"
     },
     "x86_64_windows": {
       "url": "https://github.com/koalaman/shellcheck/releases/download/v${version}/shellcheck-v${version}.zip",
-      "bin_dir": "/usr/local/bin",
       "bin": "shellcheck.exe"
     },
     "aarch64_linux_gnu": {
       "url": "https://github.com/koalaman/shellcheck/releases/download/v${version}/shellcheck-v${version}.linux.aarch64.tar.xz",
-      "bin_dir": "/usr/local/bin",
       "bin": "shellcheck-v${version}/shellcheck"
     }
   },

manifests/shfmt.json

@@ -1,24 +1,20 @@
 {
+  "rust_crate": null,
   "template": {
     "x86_64_linux_gnu": {
-      "url": "https://github.com/mvdan/sh/releases/download/v${version}/shfmt_v${version}_linux_amd64",
+      "url": "https://github.com/mvdan/sh/releases/download/v${version}/shfmt_v${version}_linux_amd64"
-      "bin_dir": "/usr/local/bin"
     },
     "x86_64_macos": {
-      "url": "https://github.com/mvdan/sh/releases/download/v${version}/shfmt_v${version}_darwin_amd64",
+      "url": "https://github.com/mvdan/sh/releases/download/v${version}/shfmt_v${version}_darwin_amd64"
-      "bin_dir": "/usr/local/bin"
     },
     "x86_64_windows": {
-      "url": "https://github.com/mvdan/sh/releases/download/v${version}/shfmt_v${version}_windows_amd64.exe",
+      "url": "https://github.com/mvdan/sh/releases/download/v${version}/shfmt_v${version}_windows_amd64.exe"
-      "bin_dir": "/usr/local/bin"
     },
     "aarch64_linux_gnu": {
-      "url": "https://github.com/mvdan/sh/releases/download/v${version}/shfmt_v${version}_linux_arm64",
+      "url": "https://github.com/mvdan/sh/releases/download/v${version}/shfmt_v${version}_linux_arm64"
-      "bin_dir": "/usr/local/bin"
     },
     "aarch64_macos": {
-      "url": "https://github.com/mvdan/sh/releases/download/v${version}/shfmt_v${version}_darwin_arm64",
+      "url": "https://github.com/mvdan/sh/releases/download/v${version}/shfmt_v${version}_darwin_arm64"
-      "bin_dir": "/usr/local/bin"
     }
   },
   "latest": {

manifests/syft.json

@@ -1,28 +1,24 @@
 {
+  "rust_crate": null,
   "template": {
     "x86_64_linux_musl": {
       "url": "https://github.com/anchore/syft/releases/download/v${version}/syft_${version}_linux_amd64.tar.gz",
-      "bin_dir": "/usr/local/bin",
       "bin": "syft"
     },
     "x86_64_macos": {
       "url": "https://github.com/anchore/syft/releases/download/v${version}/syft_${version}_darwin_amd64.tar.gz",
-      "bin_dir": "/usr/local/bin",
       "bin": "syft"
     },
     "x86_64_windows": {
       "url": "https://github.com/anchore/syft/releases/download/v${version}/syft_${version}_windows_amd64.zip",
-      "bin_dir": "/usr/local/bin",
       "bin": "syft.exe"
     },
     "aarch64_linux_musl": {
       "url": "https://github.com/anchore/syft/releases/download/v${version}/syft_${version}_linux_arm64.tar.gz",
-      "bin_dir": "/usr/local/bin",
       "bin": "syft"
     },
     "aarch64_macos": {
       "url": "https://github.com/anchore/syft/releases/download/v${version}/syft_${version}_darwin_arm64.tar.gz",
-      "bin_dir": "/usr/local/bin",
       "bin": "syft"
     }
   },

manifests/wasm-pack.json

@@ -1,4 +1,5 @@
 {
+  "rust_crate": "wasm-pack",
   "template": {
     "x86_64_linux_musl": {
       "url": "https://github.com/rustwasm/wasm-pack/releases/download/v${version}/wasm-pack-v${version}-x86_64-unknown-linux-musl.tar.gz",

manifests/wasmtime.json

@@ -1,4 +1,5 @@
 {
+  "rust_crate": "wasmtime-cli",
   "template": null,
   "latest": {
     "version": "11.0.1"

manifests/zola.json

@@ -1,4 +1,5 @@
 {
+  "rust_crate": "zola",
   "template": {
     "x86_64_linux_gnu": {
       "url": "https://github.com/getzola/zola/releases/download/v${version}/zola-v${version}-x86_64-unknown-linux-gnu.tar.gz"

tools/codegen/base/cargo-binstall.json

@@ -1,6 +1,7 @@
 {
   "repository": "https://github.com/cargo-bins/cargo-binstall",
   "tag_prefix": "v",
+  "rust_crate": "${package}",
   "asset_name": "${package}-${rust_target}.tgz",
   "version_range": "latest",
   "platform": {

tools/codegen/base/cargo-careful.json

@@ -1,6 +1,7 @@
 {
   "repository": "https://github.com/RalfJung/cargo-careful",
   "tag_prefix": "v",
+  "rust_crate": "${package}",
   "asset_name": "${package}.${rust_target}",
   "platform": {
     "x86_64_linux_musl": {},

tools/codegen/base/cargo-deny.json

@@ -1,6 +1,7 @@
 {
   "repository": "https://github.com/EmbarkStudios/cargo-deny",
   "tag_prefix": "",
+  "rust_crate": "${package}",
   "asset_name": "${package}-${version}-${rust_target}.tar.gz",
   "bin": "${package}-${version}-${rust_target}/${package}${exe}",
   "platform": {

tools/codegen/base/cargo-dinghy.json

@@ -1,6 +1,7 @@
 {
   "repository": "https://github.com/sonos/dinghy",
   "tag_prefix": "",
+  "rust_crate": "${package}",
   "asset_name": "${package}-${os_name}-${version}.tgz",
   "bin": "${package}-${version}/${package}${exe}",
   "platform": {

tools/codegen/base/cargo-hack.json

@@ -1,6 +1,7 @@
 {
   "repository": "https://github.com/taiki-e/cargo-hack",
   "tag_prefix": "v",
+  "rust_crate": "${package}",
   "asset_name": [
     "${package}-${rust_target}.tar.gz",
     "${package}-v${version}-${rust_target}.tar.gz"

tools/codegen/base/cargo-llvm-cov.json

@@ -1,6 +1,7 @@
 {
   "repository": "https://github.com/taiki-e/cargo-llvm-cov",
   "tag_prefix": "v",
+  "rust_crate": "${package}",
   "asset_name": "${package}-${rust_target}.tar.gz",
   "platform": {
     "x86_64_linux_musl": {},

tools/codegen/base/cargo-make.json

@@ -1,6 +1,7 @@
 {
   "repository": "https://github.com/sagiegurari/cargo-make",
   "tag_prefix": "",
+  "rust_crate": "${package}",
   "asset_name": "${package}-v${version}-${rust_target}.zip",
   "bin": "${package}-v${version}-${rust_target}/${package}${exe}",
   "platform": {

tools/codegen/base/cargo-minimal-versions.json

@@ -1,6 +1,7 @@
 {
   "repository": "https://github.com/taiki-e/cargo-minimal-versions",
   "tag_prefix": "v",
+  "rust_crate": "${package}",
   "asset_name": "${package}-${rust_target}.tar.gz",
   "platform": {
     "x86_64_linux_musl": {},

tools/codegen/base/cargo-nextest.json

@@ -1,6 +1,7 @@
 {
   "repository": "https://github.com/nextest-rs/nextest",
   "tag_prefix": "cargo-nextest-",
+  "rust_crate": "${package}",
   "asset_name": "${package}-${version}-${rust_target}.tar.gz",
   "platform": {
     "x86_64_linux_gnu": {},

tools/codegen/base/cargo-no-dev-deps.json

@@ -1,6 +1,7 @@
 {
   "repository": "https://github.com/taiki-e/cargo-no-dev-deps",
   "tag_prefix": "v",
+  "rust_crate": "${package}",
   "asset_name": "${package}-${rust_target}.tar.gz",
   "platform": {
     "x86_64_linux_musl": {},

tools/codegen/base/cargo-tarpaulin.json

@@ -1,6 +1,7 @@
 {
   "repository": "https://github.com/xd009642/tarpaulin",
   "tag_prefix": "",
+  "rust_crate": "${package}",
   "asset_name": "${package}-${rust_target}.tar.gz",
   "version_range": "> 0.22.0",
   "platform": {

tools/codegen/base/cargo-udeps.json

@@ -1,6 +1,7 @@
 {
   "repository": "https://github.com/est31/cargo-udeps",
   "tag_prefix": "v",
+  "rust_crate": "${package}",
   "asset_name": "${package}-v${version}-${rust_target}.tar.gz",
   "bin": "./${package}-v${version}-${rust_target}/${package}${exe}",
   "platform": {

tools/codegen/base/cargo-valgrind.json

@@ -1,6 +1,7 @@
 {
   "repository": "https://github.com/jfrimmel/cargo-valgrind",
   "tag_prefix": "v",
+  "rust_crate": "${package}",
   "asset_name": "${package}-${version}-${rust_target}.tar.gz",
   "platform": {
     "x86_64_linux_musl": {},

tools/codegen/base/cross.json

@@ -1,6 +1,7 @@
 {
   "repository": "https://github.com/cross-rs/cross",
   "tag_prefix": "v",
+  "rust_crate": "${package}",
   "asset_name": [
     "${package}-${rust_target}.tar.gz",
     "${package}-v${version}-${rust_target}.tar.gz"

tools/codegen/base/dprint.json

@@ -1,6 +1,7 @@
 {
   "repository": "https://github.com/dprint/dprint",
   "tag_prefix": "",
+  "rust_crate": "${package}",
   "asset_name": "${package}-${rust_target}.zip",
   "platform": {
     "x86_64_linux_gnu": {},

tools/codegen/base/grcov.json

@@ -1,6 +1,7 @@
 {
   "repository": "https://github.com/mozilla/grcov",
   "tag_prefix": "v",
+  "rust_crate": "${package}",
   "asset_name": "${package}-${rust_target}.tar.bz2",
   "version_range": ">= 0.8.7",
   "platform": {

tools/codegen/base/just.json

@@ -1,6 +1,7 @@
 {
   "repository": "https://github.com/casey/just",
   "tag_prefix": "",
+  "rust_crate": "${package}",
   "asset_name": "${package}-${version}-${rust_target}.tar.gz",
   "platform": {
     "x86_64_linux_musl": {},

tools/codegen/base/mdbook-linkcheck.json

@@ -1,6 +1,7 @@
 {
   "repository": "https://github.com/Michael-F-Bryan/mdbook-linkcheck",
   "tag_prefix": "v",
+  "rust_crate": "${package}",
   "asset_name": "${package}.${rust_target}.zip",
   "platform": {
     "x86_64_linux_gnu": {},

tools/codegen/base/mdbook.json

@@ -1,6 +1,7 @@
 {
   "repository": "https://github.com/rust-lang/mdBook",
   "tag_prefix": "v",
+  "rust_crate": "${package}",
   "asset_name": "${package}-v${version}-${rust_target}.tar.gz",
   "platform": {
     "x86_64_linux_musl": {},

tools/codegen/base/parse-changelog.json

@@ -1,6 +1,7 @@
 {
   "repository": "https://github.com/taiki-e/parse-changelog",
   "tag_prefix": "v",
+  "rust_crate": "${package}",
   "asset_name": "${package}-${rust_target}.tar.gz",
   "platform": {
     "x86_64_linux_gnu": {},

tools/codegen/base/shellcheck.json

@@ -1,7 +1,6 @@
 {
   "repository": "https://github.com/koalaman/shellcheck",
   "tag_prefix": "v",
-  "bin_dir": "/usr/local/bin",
   "bin": "${package}-v${version}/${package}${exe}",
   "platform": {
     "x86_64_linux_gnu": {

tools/codegen/base/shfmt.json

@@ -1,7 +1,6 @@
 {
   "repository": "https://github.com/mvdan/sh",
   "tag_prefix": "v",
-  "bin_dir": "/usr/local/bin",
   "platform": {
     "x86_64_linux_gnu": {
       "asset_name": "${package}_v${version}_linux_amd64"

tools/codegen/base/syft.json

@@ -1,7 +1,6 @@
 {
   "repository": "https://github.com/anchore/syft",
   "tag_prefix": "v",
-  "bin_dir": "/usr/local/bin",
   "bin": "${package}${exe}",
   "version_range": ">= 0.83.0",
   "platform": {

tools/codegen/base/wasm-pack.json

@@ -1,6 +1,7 @@
 {
   "repository": "https://github.com/rustwasm/wasm-pack",
   "tag_prefix": "v",
+  "rust_crate": "${package}",
   "asset_name": "${package}-v${version}-${rust_target}.tar.gz",
   "bin": "${package}-v${version}-${rust_target}/${package}${exe}",
   "platform": {

tools/codegen/base/wasmtime.json

@@ -1,6 +1,7 @@
 {
   "repository": "https://github.com/bytecodealliance/wasmtime",
   "tag_prefix": "v",
+  "rust_crate": "wasmtime-cli",
   "platform": {
     "x86_64_linux_gnu": {
       "asset_name": "${package}-v${version}-x86_64-linux.tar.xz",

tools/codegen/base/zola.json

@@ -1,6 +1,7 @@
 {
   "repository": "https://github.com/getzola/zola",
   "tag_prefix": "v",
+  "rust_crate": "${package}",
   "asset_name": "${package}-v${version}-${rust_target}.tar.gz",
   "platform": {
     "x86_64_linux_gnu": {},

tools/codegen/src/main.rs

@@ -31,7 +31,7 @@ fn main() -> Result<()> {
     fs::create_dir_all(manifest_path.parent().unwrap())?;
     fs::create_dir_all(download_cache_dir)?;
 
-    let base_info: BaseManifest = serde_json::from_slice(&fs::read(
+    let mut base_info: BaseManifest = serde_json::from_slice(&fs::read(
         workspace_root
             .join("tools/codegen/base")
             .join(format!("{package}.json")),
@@ -75,10 +75,15 @@ fn main() -> Result<()> {
         .collect();
 
     let mut crates_io_info = None;
-    if base_info.bin_dir.is_none() {
+    base_info.rust_crate = base_info
-        eprintln!("downloading crate info from https://crates.io/api/v1/crates/{package}");
+        .rust_crate
+        .as_ref()
+        .map(|s| replace_vars(s, package, None, None))
+        .transpose()?;
+    if let Some(crate_name) = &base_info.rust_crate {
+        eprintln!("downloading crate info from https://crates.io/api/v1/crates/{crate_name}");
         crates_io_info = Some(
-            download(&format!("https://crates.io/api/v1/crates/{package}"))?
+            download(&format!("https://crates.io/api/v1/crates/{crate_name}"))?
                 .into_json::<crates_io::Crate>()?,
         );
     }
@@ -106,10 +111,6 @@ fn main() -> Result<()> {
                         for (platform, d) in &mut manifest.download_info {
                             let template = &template.download_info[platform];
                             d.url = Some(template.url.replace("${version}", version));
-                            d.bin_dir = template
-                                .bin_dir
-                                .as_ref()
-                                .map(|s| s.replace("${version}", version));
                             d.bin = template
                                 .bin
                                 .as_ref()
@@ -186,7 +187,7 @@ fn main() -> Result<()> {
                 .with_context(|| format!("asset_name is needed for {package} on {platform:?}"))?
                 .as_slice()
                 .iter()
-                .map(|asset_name| replace_vars(asset_name, package, version, platform))
+                .map(|asset_name| replace_vars(asset_name, package, Some(version), Some(platform)))
                 .collect::<Result<Vec<_>>>()?;
             let (url, asset_name) = match asset_names.iter().find_map(|asset_name| {
                 release
@@ -227,16 +228,11 @@ fn main() -> Result<()> {
                 ManifestDownloadInfo {
                     url: Some(url),
                     checksum: hash,
-                    bin_dir: base_download_info
-                        .bin_dir
-                        .as_ref()
-                        .or(base_info.bin_dir.as_ref())
-                        .cloned(),
                     bin: base_download_info
                         .bin
                         .as_ref()
                         .or(base_info.bin.as_ref())
-                        .map(|s| replace_vars(s, package, version, platform))
+                        .map(|s| replace_vars(s, package, Some(version), Some(platform)))
                         .transpose()?,
                 },
             );
@@ -369,10 +365,9 @@ fn main() -> Result<()> {
         let t = template.as_mut().unwrap();
         for (platform, d) in &mut manifest.download_info {
             let template_url = d.url.take().unwrap().replace(version, "${version}");
-            let template_bin_dir = d.bin_dir.take().map(|s| s.replace(version, "${version}"));
             let template_bin = d.bin.take().map(|s| s.replace(version, "${version}"));
             if let Some(d) = t.download_info.get(platform) {
-                if template_url != d.url || template_bin_dir != d.bin_dir || template_bin != d.bin {
+                if template_url != d.url || template_bin != d.bin {
                     template = None;
                     break 'outer;
                 }
@@ -381,7 +376,6 @@ fn main() -> Result<()> {
                     *platform,
                     ManifestTemplateDownloadInfo {
                         url: template_url,
-                        bin_dir: template_bin_dir,
                         bin: template_bin,
                     },
                 );
@@ -394,6 +388,8 @@ fn main() -> Result<()> {
         manifests.template = template;
     }
 
+    manifests.rust_crate = base_info.rust_crate;
+
     let mut buf = serde_json::to_vec_pretty(&manifests)?;
     buf.push(b'\n');
     fs::write(manifest_path, buf)?;
@@ -408,14 +404,22 @@ fn workspace_root() -> PathBuf {
     dir
 }
 
-fn replace_vars(s: &str, package: &str, version: &str, platform: HostPlatform) -> Result<String> {
+fn replace_vars(
-    let s = s
+    s: &str,
-        .replace("${package}", package)
+    package: &str,
-        .replace("${tool}", package)
+    version: Option<&str>,
-        .replace("${rust_target}", platform.rust_target())
+    platform: Option<HostPlatform>,
-        .replace("${os_name}", platform.os_name())
+) -> Result<String> {
-        .replace("${version}", version)
+    let mut s = s.replace("${package}", package).replace("${tool}", package);
-        .replace("${exe}", platform.exe_suffix());
+    if let Some(platform) = platform {
+        s = s
+            .replace("${rust_target}", platform.rust_target())
+            .replace("${os_name}", platform.os_name())
+            .replace("${exe}", platform.exe_suffix());
+    }
+    if let Some(version) = version {
+        s = s.replace("${version}", version);
+    }
     if s.contains('$') {
         bail!("variable not fully replaced: '{s}'");
     }
@@ -587,6 +591,7 @@ impl<'de> Deserialize<'de> for Version {
 
 #[derive(Debug, Clone, Default, Serialize, Deserialize)]
 struct Manifests {
+    rust_crate: Option<String>,
     template: Option<ManifestTemplate>,
     #[serde(flatten)]
     map: BTreeMap<Reverse<Version>, ManifestRef>,
@@ -610,9 +615,6 @@ struct ManifestDownloadInfo {
     #[serde(skip_serializing_if = "Option::is_none")]
     url: Option<String>,
     checksum: String,
-    /// Default to ${cargo_bin}
-    #[serde(skip_serializing_if = "Option::is_none")]
-    bin_dir: Option<String>,
     /// Default to ${tool}${exe}
     #[serde(skip_serializing_if = "Option::is_none")]
     bin: Option<String>,
@@ -627,9 +629,6 @@ struct ManifestTemplate {
 #[derive(Debug, Clone, Serialize, Deserialize)]
 struct ManifestTemplateDownloadInfo {
     url: String,
-    /// Default to ${cargo_bin}
-    #[serde(skip_serializing_if = "Option::is_none")]
-    bin_dir: Option<String>,
     /// Default to ${tool}${exe}
     #[serde(skip_serializing_if = "Option::is_none")]
     bin: Option<String>,
@@ -642,11 +641,11 @@ struct BaseManifest {
     repository: String,
     /// Prefix of release tag.
     tag_prefix: String,
+    /// Crate name, if this is Rust crate.
+    rust_crate: Option<String>,
     default_major_version: Option<String>,
     /// Asset name patterns.
     asset_name: Option<StringOrArray>,
-    /// Directory where binary is installed. Default to `${cargo_bin}`.
-    bin_dir: Option<String>,
     /// Path to binary in archive. Default to `${tool}${exe}`.
     bin: Option<String>,
     platform: BTreeMap<HostPlatform, BaseManifestPlatformInfo>,
@@ -661,8 +660,6 @@ struct BaseManifest {
 struct BaseManifestPlatformInfo {
     /// Asset name patterns. Default to the value at `BaseManifest::asset_name`.
     asset_name: Option<StringOrArray>,
-    /// Directory where binary is installed. Default to the value at `BaseManifest::bin_dir`.
-    bin_dir: Option<String>,
     /// Path to binary in archive. Default to the value at `BaseManifest::bin`.
     bin: Option<String>,
 }