Migrate builds to GHA

.github/mergify.yml

@@ -3,7 +3,7 @@ pull_request_rules:
     conditions:
       - "#approved-reviews-by>=1"
       - label=automerge
-      - status-success=Travis CI - Pull Request
+      - status-success=Build successful
     actions:
       merge:
         method: merge

.github/workflows/build.yml

@@ -0,0 +1,67 @@
+
+name: Docker images
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    name: ${{ matrix.target }} + ${{ matrix.image }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        target: [ "stable", "latest" ]
+        image:
+          - "alpine"
+          - "amazon-1-amd64"
+          - "amazon-2-amd64"
+          - "arch"
+          - "centos-6-amd64"
+          - "centos-7-amd64"
+          - "centos-8-amd64"
+          - "debian-10-buster-x86"
+          - "fedora-32-amd64"
+          - "fedora-33-amd64"
+          - "ubuntu-18.04-bionic-amd64"
+          - "ubuntu-20.04-focal-amd64"
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: true
+
+      - name: Prepare build
+        run: |
+          sudo apt-get update && sudo apt-get install -qyy debootstrap
+          if [ "${{ matrix.target }}" = "latest" ]; then
+            git submodule update --remote Pillow
+            (cd Pillow && git checkout master)
+          fi
+          sudo chown -R 1000 $(pwd)
+
+      - name: Build image
+        run: |
+          cd "${{ matrix.image }}" && sudo chmod a+w . && make update
+          if [[ -n "$DOCKER_USERNAME" ]]; then
+            echo $DOCKER_PASSWORD | docker login -u $DOCKER_USERNAME --password-stdin
+          fi
+          make build BRANCH=master && make test BRANCH=master
+        env:
+          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
+          DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Push image
+        if: "github.event_name == 'push' && github.ref == 'refs/heads/master' && matrix.target == 'stable'"
+        run: make push-${{ matrix.image }} BRANCH=master
+
+      - name: Post build
+        if: always()
+        run: sudo chown -R $(id -u) $(pwd)
+
+  success:
+    needs: build
+    runs-on: ubuntu-latest
+    name: Build successful
+    steps:
+      - name: Success
+        run: echo Build Successful

Makefile

@@ -6,7 +6,7 @@ TARGETS = \
 	centos-6-amd64 \
 	centos-7-amd64 \
 	centos-8-amd64 \
-	debian-10-buster-\86 \
+	debian-10-buster-x86 \
 	fedora-32-amd64 \
 	fedora-33-amd64 \
 	ubuntu-18.04-bionic-amd64 \

Makefile.sub

@@ -2,7 +2,7 @@
 .PHONY: update build test push clean shell
 
 WD = $(shell pwd)
-USERNAME := $(shell docker info | grep Username | cut -d ' ' -f 2)
+USERNAME := $(shell docker info | grep Username | xargs | cut -d ' ' -f 2)
 TARGET := $(notdir $(WD))
 ROOT := $(abspath $(WD)/../Pillow)
 IMAGENAME := $(if $(USERNAME), $(USERNAME)/$(TARGET), $(TARGET))

README.md

@@ -1,6 +1,6 @@
 # Docker Images for the Pillow Test Infrastructure
 
-[![Build Status](https://travis-ci.com/python-pillow/docker-images.svg?branch=master)](https://travis-ci.com/github/python-pillow/docker-images)
+[![Build Status](https://github.com/python-pillow/docker-images/workflows/Docker%20Images/badge.svg)](https://github.com/python-pillow/docker-images/actions?query=workflow%3A"Docker+Images")
 
 ## Getting Started