Update action: add search for libzstd

Author: sergey-dryabzhinsky

.github/workflows/Build_wheels_for_cpython27_x86_ext.yml

@@ -50,12 +50,12 @@ jobs:
           sudo apt install -y debootstrap qemu-user;
           pip install build;
           python -m build --sdist --outdir dist .
-         
+
       - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
         if: matrix.os.matrix == 'linux'
         run: |
           sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,gnupg,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
+
       - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
         if: matrix.os.matrix == 'linux'
         run: |
@@ -68,23 +68,21 @@ jobs:
           echo "# deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
           echo "# deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
           echo "# deb [trusted=yes] http://apt.llvm.org/${{matrix.os.release}}/ llvm-toolchain-${{matrix.os.release}}-20 main " > clang.list
-          
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
           sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt dist-upgrade -y
           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
+
       - name: Pepare dev files
         if: matrix.os.matrix == 'linux'
         run: |
+           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt-cache search libzstd-dev
+           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt-cache madison libzstd
            sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev
 
       - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}