Try podman build

.travis.yml

@@ -1,19 +1,23 @@
 sudo: required
 dist: xenial
 
-env:
- - USE_CACHE=true TRAVIS_PIPELINE=docker
- - USE_CACHE=true TRAVIS_PIPELINE=buildah BUILDAH_LAYERS=true
+services: docker
 
 language: go
 
 go:
  - 1.13.x
 
-services: docker
+env:
+ - USE_CACHE=true TRAVIS_PIPELINE=docker
+ - USE_CACHE=true TRAVIS_PIPELINE=podman
+# - USE_CACHE=true TRAVIS_PIPELINE=buildah
+
+before_install:
+ # - [[ "${TRAVIS_PIPELINE}" == "buildah" ]] && ./.travis/install_buildah.sh
+ - [[ "${TRAVIS_PIPELINE}" == "podman" ]] && ./.travis/install_podman.sh
 
 install:
- - [[ "${TRAVIS_PIPELINE}" == "buildah" ]] && ./.travis/install_buildah.sh
  - go get golang.org/x/tools/cmd/cover
  - go get github.com/mattn/goveralls
 

.travis/install_buildah.sh

@@ -1,17 +1,17 @@
 #!/bin/bash
-    sudo apt-get -y install software-properties-common
-    sudo add-apt-repository -y ppa:alexlarsson/flatpak
-    sudo add-apt-repository -y ppa:gophers/archive
-    sudo apt-add-repository -y ppa:projectatomic/ppa
-    sudo apt-get -y -qq update
-    sudo apt-get -y install bats btrfs-tools git libapparmor-dev libdevmapper-dev libglib2.0-dev libgpgme11-dev libostree-dev libseccomp-dev libselinux1-dev skopeo-containers go-md2man
-    
-    mkdir -p "$GOPATH/src/github.com/containers/buildah"
-    git clone https://github.com/containers/buildah "$GOPATH/src/github.com/containers/buildah"
-    cd "$GOPATH/src/github.com/containers/buildah" || exit
-    make runc all SECURITYTAGS="apparmor seccomp"
-    sudo make install install.runc
-	
+sudo apt-get -y install software-properties-common
+sudo add-apt-repository -y ppa:alexlarsson/flatpak
+sudo add-apt-repository -y ppa:gophers/archive
+sudo apt-add-repository -y ppa:projectatomic/ppa
+sudo apt-get -y -qq update
+sudo apt-get -y install runc buildah
+
+# Hack podman's configuration files.
+# /etc/containers/registries.conf does not exist.
+# https://clouding.io/kb/en/how-to-install-and-use-podman-on-ubuntu-18-04/
+ls -1 /etc/containers/registries.conf || true
+sudo mkdir -p /etc/containers
+
 	sudo tee -a /etc/containers/registries.conf >/dev/null <<-'EOF'
         [registries.search]
         registries = ['docker.io', 'registry.fedoraproject.org', 'quay.io', 'registry.access.redhat.com', 'registry.centos.org']

.travis/install_podman.sh

@@ -0,0 +1,52 @@
+#!/bin/bash
+
+setup () {
+# https://github.com/containers/libpod/blob/master/install.md#ubuntu
+echo travis_fold:start:install_podman
+sudo apt-get update -qq
+sudo apt-get install -qq -y software-properties-common uidmap
+sudo add-apt-repository -y ppa:projectatomic/ppa
+sudo apt-get update -qq
+sudo apt-get -qq -y install podman
+echo travis_fold:end:install_podman
+}
+
+verify () {
+# Show version and info.
+echo travis_fold:start:verify_podman
+podman --version
+podman version
+podman info --debug
+apt-cache show podman
+dpkg-query -L podman
+echo travis_fold:end:verify_podman
+}
+
+configure () {
+echo travis_fold:start:configure_podman
+# Hack podman's configuration files.
+# /etc/containers/registries.conf does not exist.
+# https://clouding.io/kb/en/how-to-install-and-use-podman-on-ubuntu-18-04/
+ls -1 /etc/containers/registries.conf || true
+sudo mkdir -p /etc/containers
+
+sudo tee -a /etc/containers/registries.conf >/dev/null <<-'EOF'
+     [registries.search]
+     registries = ['docker.io', 'registry.fedoraproject.org', 'quay.io', 'registry.access.redhat.com', 'registry.centos.org']
+
+     [registries.insecure]
+     registries = []
+
+     [registries.block]
+     registries = []
+
+EOF
+echo travis_fold:end:configure_podman
+}
+
+main () {
+
+}
+
+
+main

build_danm.sh

@@ -66,10 +66,10 @@ fi
 #
 # Identify if we need to run docker or buildah
 #
-if [[ ( "$TRAVIS_PIPELINE" = "buildah" ) || ( "$TRAVIS_PIPELINE" = ""  && -x "$(command -v buildah)" ) ]]
+if [[ ( "$TRAVIS_PIPELINE" = "podman" ) || ( "$TRAVIS_PIPELINE" = ""  && -x "$(command -v podman)" ) ]]
 then
-  BUILD_COMMAND="buildah bud"
-  TAG_COMMAND="buildah tag"
+  BUILD_COMMAND="podman image build"
+  TAG_COMMAND="podman image tag"
 elif [[ ( "$TRAVIS_PIPELINE" = "docker" ) || ( "$TRAVIS_PIPELINE" = ""  && -x "$(command -v docker)" ) ]]
 then
   BUILD_COMMAND="docker image build"