ci: install the ape loader to ubuntu, make cat test not depend on ape…

… loader being installed

.github/workflows/ci.yml

@@ -53,24 +53,25 @@ jobs:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
     steps:
-      #- name: Install APE loader on Ubuntu
-      #  if:   ${{ matrix.os == 'ubuntu-latest' }}
-      #  shell: bash
-      #  run: |
-      #    git clone https://github.com/jart/cosmopolitan.git
-      #    cosmopolitan/bin/ape-install
+      - name: Install APE loader on Ubuntu
+        if:   ${{ matrix.os == 'ubuntu-latest' }}
+        shell: bash
+        run: |
+          sudo mkdir -p /opt
+          sudo chmod 1777 /opt
+          git clone https://github.com/jart/cosmopolitan.git /opt/cosmo
+          export PATH="/opt/cosmo/bin:/opt/cosmos/bin:$PATH"
+          ape-install
       - name: Download APEs
         uses: actions/download-artifact@v3
-      - name: Chmod
-        shell: bash
-        run: chmod +x hermit/*
       - name: Test APEs
         shell: bash
         run: |
           chmod +x hermit/*
           hermit/cowsay.hermit.com hello
           echo aaa | hermit/cowsay.hermit.com
-          hermit/cat.hermit.com cosmopolitan/README.md
+          echo aaa > text.txt
+          hermit/cat.hermit.com text.txt
           [[ $(echo aeiou | hermit/count_vowels.hermit.com) == 5 ]]
           [[ $(echo bcd | hermit/count_vowels.hermit.com) == 0 ]]