fix(installer): detect dev Debian package assets

Signed-off-by: Drew Newberry <anewberry@nvidia.com>

Author: drew

.github/workflows/test-install.yml

@@ -4,12 +4,14 @@ on:
   pull_request:
     paths:
       - 'install.sh'
+      - 'install-dev.sh'
       - 'e2e/install/**'
       - '.github/workflows/test-install.yml'
   push:
     branches: [main]
     paths:
       - 'install.sh'
+      - 'install-dev.sh'
       - 'e2e/install/**'
       - '.github/workflows/test-install.yml'
   workflow_dispatch:
@@ -49,3 +51,13 @@ jobs:
 
       - name: Run tests (${{ matrix.shell }})
         run: ${{ matrix.run }}
+
+  test-install-dev:
+    name: install-dev.sh lookup
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v6
+
+      - name: Run install-dev lookup tests
+        run: sh e2e/install/install_dev_lookup_test.sh

e2e/install/install_dev_lookup_test.sh

@@ -0,0 +1,103 @@
+#!/bin/sh
+# SPDX-FileCopyrightText: Copyright (c) 2025-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+#
+# Unit-level checks for install-dev.sh release asset lookup.
+
+set -eu
+
+TEST_DIR="$(cd "$(dirname "$0")" && pwd)"
+REPO_ROOT="$(cd "$TEST_DIR/../.." && pwd)"
+INSTALL_DEV_SCRIPT="$REPO_ROOT/install-dev.sh"
+
+_PASS=0
+_FAIL=0
+
+pass() {
+  _PASS=$((_PASS + 1))
+  printf '  PASS: %s\n' "$1"
+}
+
+fail() {
+  _FAIL=$((_FAIL + 1))
+  printf '  FAIL: %s\n' "$1" >&2
+  if [ -n "${2:-}" ]; then
+    printf '        %s\n' "$2" >&2
+  fi
+}
+
+assert_equal() {
+  _expected="$1"
+  _actual="$2"
+  _label="$3"
+
+  if [ "$_actual" = "$_expected" ]; then
+    pass "$_label"
+  else
+    fail "$_label" "expected '$_expected', got '$_actual'"
+  fi
+}
+
+print_summary() {
+  printf '\n=== Results: %d passed, %d failed ===\n' "$_PASS" "$_FAIL"
+  [ "$_FAIL" -eq 0 ]
+}
+
+eval "$(sed -n '/^find_deb_asset() {$/,/^}$/p' "$INSTALL_DEV_SCRIPT")"
+
+TMPDIR="$(mktemp -d)"
+trap 'rm -rf "$TMPDIR"' EXIT
+
+printf '=== install-dev.sh asset lookup tests ===\n\n'
+
+cat >"$TMPDIR/dev-checksums.txt" <<'EOF'
+111111  openshell-x86_64-unknown-linux-musl.tar.gz
+222222  openshell-dev-amd64.deb
+333333  openshell-dev-arm64.deb
+EOF
+
+assert_equal \
+  "openshell-dev-arm64.deb" \
+  "$(find_deb_asset "$TMPDIR/dev-checksums.txt" arm64)" \
+  "finds normalized dev arm64 Debian package"
+
+assert_equal \
+  "openshell-dev-amd64.deb" \
+  "$(find_deb_asset "$TMPDIR/dev-checksums.txt" amd64)" \
+  "finds normalized dev amd64 Debian package"
+
+cat >"$TMPDIR/versioned-checksums.txt" <<'EOF'
+111111  openshell_0.0.37~dev145+gd2e80d1c9_amd64.deb
+222222  *openshell_0.0.37~dev145+gd2e80d1c9_arm64.deb
+EOF
+
+assert_equal \
+  "openshell_0.0.37~dev145+gd2e80d1c9_arm64.deb" \
+  "$(find_deb_asset "$TMPDIR/versioned-checksums.txt" arm64)" \
+  "finds versioned arm64 Debian package"
+
+assert_equal \
+  "openshell_0.0.37~dev145+gd2e80d1c9_amd64.deb" \
+  "$(find_deb_asset "$TMPDIR/versioned-checksums.txt" amd64)" \
+  "finds versioned amd64 Debian package"
+
+cat >"$TMPDIR/both-checksums.txt" <<'EOF'
+111111  openshell_0.0.37~dev145+gd2e80d1c9_arm64.deb
+222222  openshell-dev-arm64.deb
+EOF
+
+assert_equal \
+  "openshell-dev-arm64.deb" \
+  "$(find_deb_asset "$TMPDIR/both-checksums.txt" arm64)" \
+  "prefers normalized dev Debian package"
+
+cat >"$TMPDIR/no-deb-checksums.txt" <<'EOF'
+111111  openshell-aarch64-unknown-linux-musl.tar.gz
+EOF
+
+assert_equal \
+  "" \
+  "$(find_deb_asset "$TMPDIR/no-deb-checksums.txt" arm64)" \
+  "returns empty result when no matching Debian package exists"
+
+print_summary

install-dev.sh

@@ -227,10 +227,26 @@ find_deb_asset() {
   _arch="$2"
 
   awk -v arch="$_arch" '
-    $2 ~ "^\\*?openshell_.*_" arch "\\.deb$" {
-      sub("^\\*", "", $2)
-      print $2
-      exit
+    {
+      name = $2
+      sub("^\\*", "", name)
+
+      if (name == "openshell-dev-" arch ".deb") {
+        selected = name
+        found = 1
+        exit
+      }
+
+      if (fallback == "" && name ~ "^openshell_.*_" arch "\\.deb$") {
+        fallback = name
+      }
+    }
+    END {
+      if (found) {
+        print selected
+      } else if (fallback != "") {
+        print fallback
+      }
     }
   ' "$_checksums"
 }