feat: el-install binary + SDK bundle release

.gitea/workflows/sdk-release.yaml

@@ -59,6 +59,46 @@ jobs:
           echo "gen3 (self-hosted) elc built"
           dist/platform/elc --version || true
 
+      # Build elb binary
+      - name: Build elb
+        run: |
+          mkdir -p dist/bin
+          dist/platform/elc elb.el > dist/elb.c
+          gcc -O2 \
+            -I el-compiler/runtime \
+            dist/elb.c \
+            el-compiler/runtime/el_runtime.c \
+            -lcurl -lpthread \
+            -o dist/bin/elb
+          chmod +x dist/bin/elb
+          echo "elb built"
+
+      # Build epm binary (epm lives at repo root, not inside lang/)
+      - name: Build epm
+        run: |
+          dist/platform/elc ../epm/src/epm.el > dist/epm.c
+          gcc -O2 \
+            -I el-compiler/runtime \
+            dist/epm.c \
+            el-compiler/runtime/el_runtime.c \
+            -lcurl -lpthread \
+            -o dist/bin/epm
+          chmod +x dist/bin/epm
+          echo "epm built"
+
+      # Build el-install binary
+      - name: Build el-install
+        run: |
+          dist/platform/elc tools/install/el-install.el > dist/el-install.c
+          gcc -O2 \
+            -I el-compiler/runtime \
+            dist/el-install.c \
+            el-compiler/runtime/el_runtime.c \
+            -lcurl -lpthread \
+            -o dist/bin/el-install
+          chmod +x dist/bin/el-install
+          echo "el-install built"
+
       - name: Run tests — text
         run: |
           ELC="$(pwd)/dist/platform/elc" \
@@ -83,8 +123,24 @@ jobs:
           EL_HOME="$(pwd)" \
           bash tests/html_sanitizer/run.sh
 
-      # Publish / update the `latest` release with the three SDK assets
+      # Bundle the SDK tarball — runs from the repo root to reference lang/ paths correctly
+      - name: Bundle SDK tarball
+        working-directory: ${{ github.workspace }}
+        run: |
+          mkdir -p dist/sdk/bin dist/sdk/runtime
+          cp lang/dist/platform/elc          dist/sdk/bin/elc
+          cp lang/dist/bin/elb               dist/sdk/bin/elb
+          cp lang/dist/bin/epm               dist/sdk/bin/epm
+          cp lang/el-compiler/runtime/el_runtime.c  dist/sdk/runtime/
+          cp lang/el-compiler/runtime/el_runtime.h  dist/sdk/runtime/
+          cp lang/runtime/*.el               dist/sdk/runtime/
+          tar -czf dist/el-sdk-latest.tar.gz -C dist/sdk .
+          echo "SDK tarball bundled: dist/el-sdk-latest.tar.gz"
+          ls -lh dist/el-sdk-latest.tar.gz
+
+      # Publish / update the `latest` release with all SDK assets
       - name: Publish latest release
+        working-directory: ${{ github.workspace }}
         env:
           GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
           GITEA_API: https://git.neuralplatform.ai/api/v1
@@ -130,9 +186,14 @@ jobs:
               "${GITEA_API}/repos/${REPO}/releases/${RELEASE_ID}/assets"
           }
 
-          upload_asset dist/platform/elc                elc
-          upload_asset el-compiler/runtime/el_runtime.c el_runtime.c
-          upload_asset el-compiler/runtime/el_runtime.h el_runtime.h
+          # Per-file assets (downstream CI needs these individually)
+          upload_asset lang/dist/platform/elc                elc
+          upload_asset lang/el-compiler/runtime/el_runtime.c el_runtime.c
+          upload_asset lang/el-compiler/runtime/el_runtime.h el_runtime.h
+
+          # SDK bundle and installer binary
+          upload_asset dist/el-sdk-latest.tar.gz             el-sdk-latest.tar.gz
+          upload_asset lang/dist/bin/el-install              el-install
 
           echo "Release published successfully"
 

lang/tools/install/el-install.el

@@ -0,0 +1,130 @@
+// tools/install/el-install.el — El SDK installer
+//
+// Downloads and installs the El SDK from the latest Gitea release.
+//
+// Usage:
+//   el-install             # installs to ~/.el (default prefix)
+//   el-install /opt/el     # installs to custom prefix
+//
+// After installation, add to your shell rc:
+//   export PATH="$HOME/.el/bin:$PATH"
+//   export EL_HOME="$HOME/.el"
+
+// ── Imports ───────────────────────────────────────────────────────────────────
+
+import "../../runtime/string.el"
+import "../../runtime/env.el"
+import "../../runtime/fs.el"
+import "../../runtime/exec.el"
+import "../../runtime/json.el"
+import "../../runtime/http.el"
+
+// ── Constants ─────────────────────────────────────────────────────────────────
+
+fn gitea_releases_url() -> String {
+    return "https://git.neuralplatform.ai/api/v1/repos/neuron-technologies/el/releases/tags/latest"
+}
+
+fn sdk_asset_name() -> String {
+    return "el-sdk-latest.tar.gz"
+}
+
+// ── Helpers ───────────────────────────────────────────────────────────────────
+
+// find_asset_url scans the Gitea release JSON for the asset named target_name
+// and returns its browser_download_url. Returns "" if not found.
+fn find_asset_url(release_json: String, target_name: String) -> String {
+    let assets_raw: String = json_get_raw(release_json, "assets")
+    if str_eq(assets_raw, "") {
+        return ""
+    }
+    let n: Int = json_array_len(assets_raw)
+    let i: Int = 0
+    while i < n {
+        let asset: String = json_array_get(assets_raw, i)
+        let name: String = json_get(asset, "name")
+        if str_eq(name, target_name) {
+            return json_get(asset, "browser_download_url")
+        }
+        let i = i + 1
+    }
+    return ""
+}
+
+// ── Main ──────────────────────────────────────────────────────────────────────
+
+fn main() -> Void {
+    // 1. Determine install prefix
+    let argv: [String] = args()
+    let home: String = env("HOME")
+
+    let prefix: String = home + "/.el"
+    let argc: Int = el_list_len(argv)
+    // argv[0] is the program name; argv[1] is the first user argument
+    if argc > 1 {
+        let first_arg: String = el_list_get(argv, 1)
+        if !str_eq(first_arg, "") {
+            let prefix = first_arg
+        }
+    }
+
+    let bin_dir: String     = prefix + "/bin"
+    let runtime_dir: String = prefix + "/runtime"
+
+    println("El SDK installer")
+    println("  prefix  : " + prefix)
+
+    // 2. Create directory structure
+    let ok_bin: Bool = fs_mkdir(bin_dir)
+    if !ok_bin {
+        // fs_mkdir returns false if dir already exists on some impls; try exec
+        exec("mkdir -p " + bin_dir)
+    }
+    let ok_rt: Bool = fs_mkdir(runtime_dir)
+    if !ok_rt {
+        exec("mkdir -p " + runtime_dir)
+    }
+    // Ensure both dirs exist via exec regardless
+    exec("mkdir -p " + bin_dir + " " + runtime_dir)
+
+    // 3. Fetch release metadata from Gitea API
+    println("  Fetching release metadata...")
+    let release_json: String = http_get(gitea_releases_url())
+    if str_eq(release_json, "") {
+        println("Error: failed to fetch release metadata from Gitea")
+        exit_program(1)
+    }
+
+    // 4. Find the SDK tarball download URL
+    let download_url: String = find_asset_url(release_json, sdk_asset_name())
+    if str_eq(download_url, "") {
+        println("Error: asset '" + sdk_asset_name() + "' not found in release")
+        exit_program(1)
+    }
+    println("  Downloading " + sdk_asset_name() + "...")
+
+    // 5. Download tarball to a temp file
+    let tmp_path: String = "/tmp/el-sdk-latest.tar.gz"
+    let headers: Map<String, String> = {}
+    let downloaded: Bool = http_get_to_file(download_url, headers, tmp_path)
+    if !downloaded {
+        println("Error: download failed")
+        exit_program(1)
+    }
+
+    // 6. Extract into prefix
+    println("  Extracting to " + prefix + "...")
+    let tar_cmd: String = "tar -xzf " + tmp_path + " -C " + prefix
+    let tar_out: String = exec(tar_cmd)
+    // Clean up temp file
+    exec("rm -f " + tmp_path)
+
+    // 7. Make binaries executable
+    exec("chmod +x " + bin_dir + "/*")
+
+    // 8. Print success and shell setup instructions
+    println("")
+    println("El SDK installed to " + prefix + " — add this to your shell rc:")
+    println("  export PATH=\"$HOME/.el/bin:$PATH\"")
+    println("  export EL_HOME=\"$HOME/.el\"")
+}

lang/tools/install/manifest.el

@@ -0,0 +1,9 @@
+package "el-install" {
+    version "0.1.0"
+    description "El SDK installer"
+    edition "2026"
+}
+
+build {
+    entry "el-install.el"
+}