fix OCP tool install on arm64 runners

.github/workflows/example_mirror.yml

@@ -194,6 +194,35 @@ jobs:
           oc version
           opm version
 
+  latest-version-linux-arm64:
+    name: Latest OCP tools on linux arm64
+    strategy:
+      fail-fast: false
+      matrix:
+        cache: [ true, false ]
+    runs-on: ubuntu-24.04-arm
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: ./
+        id: install_clients
+        with:
+          source: ${{ env.SOURCE }}
+          skip_cache: ${{ matrix.cache }}
+          oc: "latest"
+          openshift-install: "latest"
+
+      - name: Echo output of installer
+        if: always()
+        run: echo "${{ steps.install_clients.outputs.installed }}"
+
+      - name: Run installed tools
+        run: |
+          set -x
+          oc version
+          openshift-install version
+
   latest-version-linux-windows:
     name: Install CRC
     strategy:

src/util/file-finder.ts

@@ -66,11 +66,11 @@ export async function findMatchingClient(source: string, client: InstallableClie
     // Since directory name for opm is ocp (in case of mirror)
     // but this filter pipeline is not valid for opm when source is github
     else if (ClientDetailOverrides[client]?.mirror?.directoryName === "ocp" && source !== GITHUB) {
-        // the ocp directory is amd64 only,
-        // and we have to filter out the other client we're not interested in
+        // we have to filter out the other client we're not interested in
         // - ie remove 'oc' if we're installing 'openshift-install'.
         filters = [
             filterByOS,
+            filterByArch,
             filterByExecutable.bind(client),
             filterByVersioned.bind(clientVersion),
             filterByZipped,

src/util/filters.ts

@@ -57,16 +57,21 @@ export function filterByOS(filename: string): boolean {
     return fileNameLowercase.includes("linux");
 }
 
+const ALL_ARCH_IDENTIFIERS = [ "amd64", "x86_64", "64bit", "arm64", "aarch64", "ppc64le", "s390x" ];
+
+function hasNoArchIndicator(fileNameLowercase: string): boolean {
+    return ALL_ARCH_IDENTIFIERS.every((id) => !fileNameLowercase.includes(id));
+}
+
 export function filterByArch(filename: string): boolean {
     const fileNameLowercase = filename.toLowerCase();
     const arch = getArch();
     if (arch === "arm64") {
         return fileNameLowercase.includes(arch) || fileNameLowercase.includes("aarch64");
     }
     if (arch === "amd64") {
-        // adding "64bit" as most of the binaries in GitHub release has "64bit" for "amd64"
         return fileNameLowercase.includes(arch) || fileNameLowercase.includes("64bit")
-            || fileNameLowercase.includes("x86_64");
+            || fileNameLowercase.includes("x86_64") || hasNoArchIndicator(fileNameLowercase);
     }
     return fileNameLowercase.includes(arch);
 }