use different start dir, add patch from PR 3446 for RISC-V

containers/build-or-download-cvmfs-debs.sh

@@ -22,18 +22,24 @@ then
     cd /tmp
     wget https://github.com/cvmfs/cvmfs/archive/refs/tags/cvmfs-${cvmfsversion}.tar.gz
     tar xzf cvmfs-${cvmfsversion}.tar.gz
-    cd cvmfs-cvmfs-${cvmfsversion}/ci/cvmfs
+    cd cvmfs-cvmfs-${cvmfsversion}
     mkdir /root/deb
-    sed -i 's/Architecture: i386 amd64 armhf arm64/Architecture: i386 amd64 armhf arm64 riscv64/' ../../packaging/debian/cvmfs/control.in
-    sed -i 's/python-dev/python3-dev/' ../../packaging/debian/cvmfs/control.in
-    sed -i 's/python-setuptools/python3-setuptools/' ../../packaging/debian/cvmfs/control.in
-    # valgrind is not available (yet) for RISC-V
+    sed -i 's/Architecture: i386 amd64 armhf arm64/Architecture: i386 amd64 armhf arm64 riscv64/' packaging/debian/cvmfs/control.in
+    sed -i 's/python-dev/python3-dev/' packaging/debian/cvmfs/control.in
+    sed -i 's/python-setuptools/python3-setuptools/' packaging/debian/cvmfs/control.in
     if [ "$arch" = "riscv64" ]
     then
-        sed -i 's/, valgrind//' ../../packaging/debian/cvmfs/control.in
+        # valgrind is not available (yet) for RISC-V
+        sed -i 's/, valgrind//' packaging/debian/cvmfs/control.in
+        # for RISC-V we need to run autoreconf, see:
+        # https://github.com/cvmfs/cvmfs/pull/3446
+        wget https://github.com/cvmfs/cvmfs/pull/3446.patch
+        patch -p 1 -i ./3446.patch
+        rm 3446.patch
     else
         apt-get install -y valgrind
     fi
+    cd ci/cvmfs
     # make sure the cvmfs package also uses debian 13 for debian sid
     [ $release = "13" ] && sed -i "s@\$(lsb_release -sr)@13@" ./deb.sh && sed -i "s/focal/trixie/" ./deb.sh
     ./deb.sh /tmp/cvmfs-cvmfs-${cvmfsversion} /root/deb