Attempt to clean up ubuntu-isms

Dockerfile.base

@@ -4,6 +4,7 @@ LABEL maintainer="myoung34@my.apsu.edu"
 ARG DUMB_INIT_VERSION="1.2.2"
 ARG GIT_CORE_PPA_KEY="A1715D88E1DF1F24"
 
+# TODO: remove git PPA and skopeo customizations for focal when focal hits EOL
 ENV GIT_LFS_VERSION="3.2.0"
 ENV LANG=en_US.UTF-8
 ENV LANGUAGE=en_US.UTF-8
@@ -56,9 +57,9 @@ RUN echo en_US.UTF-8 UTF-8 >> /etc/locale.gen \
   && DPKG_ARCH="$(dpkg --print-architecture)" \
   && LSB_RELEASE_CODENAME="$(lsb_release --codename | cut -f2)" \
   && sed -e 's/Defaults.*env_reset/Defaults env_keep = "HTTP_PROXY HTTPS_PROXY NO_PROXY FTP_PROXY http_proxy https_proxy no_proxy ftp_proxy"/' -i /etc/sudoers \
-  && echo deb http://ppa.launchpad.net/git-core/ppa/ubuntu $([[ $(grep -E '^ID=' /etc/os-release | sed 's/.*=//g') == "ubuntu" ]] && (grep VERSION_CODENAME /etc/os-release | sed 's/.*=//g') || echo bionic) main>/etc/apt/sources.list.d/git-core.list \
+  && ( [[ "${LSB_RELEASE_CODENAME}" == "focal" ]] && (echo deb http://ppa.launchpad.net/git-core/ppa/ubuntu focal main>/etc/apt/sources.list.d/git-core.list ) || : ) \
   && apt-get update \
-  && ( apt-get install -y --no-install-recommends git || apt-get install -t stable -y --no-install-recommends git || apt-get install -y --no-install-recommends git=1:2.33.1-0ppa1~ubuntu18.04.1 git-man=1:2.33.1-0ppa1~ubuntu18.04.1 ) \
+  && ( apt-get install -y --no-install-recommends git || apt-get install -t stable -y --no-install-recommends git ) \
   && ( [[ $(apt-cache search -n liblttng-ust0 | awk '{print $1}') == "liblttng-ust0" ]] && apt-get install -y --no-install-recommends liblttng-ust0 || : ) \
   && ( [[ $(apt-cache search -n liblttng-ust1 | awk '{print $1}') == "liblttng-ust1" ]] && apt-get install -y --no-install-recommends liblttng-ust1 || : ) \
   && ( ( curl "https://awscli.amazonaws.com/awscli-exe-linux-$(uname -m).zip" -o "awscliv2.zip" && unzip awscliv2.zip -d /tmp/ && /tmp/aws/install && rm awscliv2.zip) || pip3 install --no-cache-dir awscli ) \
@@ -71,9 +72,9 @@ RUN echo en_US.UTF-8 UTF-8 >> /etc/locale.gen \
   && apt-get update \
   && apt-get install -y docker-ce docker-ce-cli docker-buildx-plugin containerd.io docker-compose-plugin --no-install-recommends --allow-unauthenticated \
   && echo -e '#!/bin/sh\ndocker compose --compatibility "$@"' > /usr/local/bin/docker-compose && chmod +x /usr/local/bin/docker-compose \
-  && ( [[ "${LSB_RELEASE_CODENAME}" == "focal" ]] && ( echo "deb https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/xUbuntu_20.04/ /" | tee /etc/apt/sources.list.d/devel:kubic:libcontainers:stable.list && curl -L "https://build.opensuse.org/projects/devel:kubic/public_key" | apt-key add -; echo "deb https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/xUbuntu_20.04/ /" | tee /etc/apt/sources.list.d/devel:kubic:libcontainers:stable.list && curl -L "https://build.opensuse.org/projects/devel:kubic/public_key" | apt-key add - && apt-get update) || : ) \
+  && ( [[ "${LSB_RELEASE_CODENAME}" == "focal" ]] && ( echo "available in 20.10 and higher" && echo "deb https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/xUbuntu_20.04/ /" | tee /etc/apt/sources.list.d/devel:kubic:libcontainers:stable.list && curl -L "https://build.opensuse.org/projects/devel:kubic/signing_keys/download?kind=gpg" | apt-key add - ) || : ) \
+  && apt-get update \
   && ( apt-get install -y --no-install-recommends podman buildah skopeo || : ) \
-  && ( [[ "${LSB_RELEASE_CODENAME}" == "jammy" ]] && echo "Ubuntu Jammy is marked as beta. Please see https://github.com/actions/virtual-environments/issues/5490" || : ) \
   && GH_CLI_VERSION=$(curl -sL -H "Accept: application/vnd.github+json"   https://api.github.com/repos/cli/cli/releases/latest | jq -r '.tag_name' | sed 's/^v//g') \
   && GH_CLI_DOWNLOAD_URL=$(curl -sL -H "Accept: application/vnd.github+json"   https://api.github.com/repos/cli/cli/releases/latest | jq ".assets[] | select(.name == \"gh_${GH_CLI_VERSION}_linux_${DPKG_ARCH}.deb\")" | jq -r '.browser_download_url') \
   && curl -sSLo /tmp/ghcli.deb ${GH_CLI_DOWNLOAD_URL} && apt-get -y install /tmp/ghcli.deb && rm /tmp/ghcli.deb \
@@ -82,8 +83,7 @@ RUN echo en_US.UTF-8 UTF-8 >> /etc/locale.gen \
   && ( curl -s ${YQ_DOWNLOAD_URL} -L -o /tmp/yq.tar.gz && tar -xzf /tmp/yq.tar.gz -C /tmp && mv /tmp/yq_linux_${DPKG_ARCH} /usr/local/bin/yq) \
   && PWSH_VERSION=$(curl -sL -H "Accept: application/vnd.github+json" https://api.github.com/repos/PowerShell/PowerShell/releases/latest | jq -r '.tag_name' | sed 's/^v//g') \
   && PWSH_DOWNLOAD_URL=$(curl -sL -H "Accept: application/vnd.github+json" https://api.github.com/repos/PowerShell/PowerShell/releases/latest | jq -r ".assets[] | select(.name == \"powershell-${PWSH_VERSION}-linux-${DPKG_ARCH//amd64/x64}.tar.gz\") | .browser_download_url") \
-  && curl -L -o /tmp/powershell.tar.gz $PWSH_DOWNLOAD_URL && sudo mkdir -p /opt/powershell && sudo tar zxf /tmp/powershell.tar.gz -C /opt/powershell \
-  && sudo chmod +x /opt/powershell/pwsh && sudo ln -s /opt/powershell/pwsh /usr/bin/pwsh \
+  && ( curl -L -o /tmp/powershell.tar.gz $PWSH_DOWNLOAD_URL && mkdir -p /opt/powershell && tar zxf /tmp/powershell.tar.gz -C /opt/powershell && chmod +x /opt/powershell/pwsh && ln -s /opt/powershell/pwsh /usr/bin/pwsh ) \
   && rm -rf /var/lib/apt/lists/* \
   && rm -rf /tmp/* \
   && sed -i 's/ulimit -Hn/# ulimit -Hn/g' /etc/init.d/docker \