Replace remote download of irc2 with a git clone

To avoid flakiness and hitting the irc.org servers too hard

.github/workflows/test-stable.yml

@@ -784,36 +784,31 @@ jobs:
       uses: actions/setup-python@v2
       with:
         python-version: 3.7
-    - name: Get source code
-      run: curl http://ftp.irc.org/ftp/irc/server/irc2.11.2p3.tgz | tar -zx
-    - name: Configure
-      run: 'cd $GITHUB_WORKSPACE/irc2.11.2p3
-
+    - name: Checkout irc2
+      uses: actions/checkout@v2
+      with:
+        path: irc2.11.2p3
+        ref: 59649f24c3a5c27bad5648b48774f27475bccfd3
+        repository: irc-archive/irc2-mirror
+    - name: Build irc2
+      run: |
+        # Configure
+        cd $GITHUB_WORKSPACE/irc2.11.2p3
         ./configure --prefix=$HOME/.local/
-
         cd x86*
-
         echo "#define CMDLINE_CONFIG/" >> config.h
-
         echo "#define DEFAULT_SPLIT_USERS 0" >> config.h
-
         echo "#define DEFAULT_SPLIT_SERVERS 0" >> config.h
-
         #echo "#undef LIST_ALIS_NOTE" >> config.h
-
         # TODO: find a better way to make it not fork...
+        echo "#define fork() (0)" >> config.h
 
-        echo "#define fork() (0)" >> config.h'
-    - name: Compile and install
-      run: 'cd $GITHUB_WORKSPACE/irc2.11.2p3/x86*
-
+        # Compile and install
+        cd $GITHUB_WORKSPACE/irc2.11.2p3/x86*
         make -j 4 all
-
         make install
-
         mkdir -p $HOME/.local/bin
-
-        cp $HOME/.local/sbin/ircd $HOME/.local/bin/ircd'
+        cp $HOME/.local/sbin/ircd $HOME/.local/bin/ircd
     - name: Install system dependencies
       run: sudo apt-get install atheme-services faketime
     - name: Install irctest dependencies