Merge pull request #45 from yutachaos/feature/added_docker_release

Added dockerfile and release GitHub Action

.github/workflows/release.yaml

@@ -0,0 +1,45 @@
+name: docker push
+on: [push]
+jobs:
+  push_to_registry:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - name: Docker meta
+        if: startsWith(github.ref, 'refs/tags/')
+        id: docker_meta
+        uses: crazy-max/ghaction-docker-meta@v1
+        with:
+          images: ghcr.io/${{ github.repository }}
+          tag-match: v(.*)
+      - name: Set up QEMU
+        if: startsWith(github.ref, 'refs/tags/')
+        uses: docker/setup-qemu-action@v1
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v1
+      - name: Cache Docker layers
+        if: startsWith(github.ref, 'refs/tags/')
+        uses: actions/cache@v2
+        with:
+          path: /tmp/.buildx-cache
+          key: ${{ runner.os }}-buildx-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-buildx-
+      - name: Login to GitHub Container Registry
+        if: startsWith(github.ref, 'refs/tags/')
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name:  Build and push
+        uses: docker/build-push-action@v2
+        if: startsWith(github.ref, 'refs/tags/')
+        with:
+          builder: ${{ steps.buildx.outputs.name }}
+          platforms: linux/amd64,linux/arm64
+          tags: ${{ steps.docker_meta.outputs.tags }}
+          cache-from: type=local,src=/tmp/.buildx-cache
+          cache-to: type=local,dest=/tmp/.buildx-cache
+          push: true

API.md

@@ -36,7 +36,7 @@ Display a help message.
 
       -s=FILE, --source=FILE
 
-Source a file into the environment before processing template files.
+Source a file into the environment before processing template files. This can be used multiple times.
 
       --
 

Dockerfile

@@ -0,0 +1,11 @@
+FROM alpine:3.13.4
+
+COPY ./mo .
+RUN apk add --update bash && \
+    chmod +x mo &&\
+    mv mo /usr/local/bin/mo && \
+    rm -rf /var/cache/apk/*
+
+WORKDIR /opt
+
+ENTRYPOINT ["/usr/local/bin/mo"]

mo

@@ -25,6 +25,7 @@
 #/          This message.
 #/    -s=FILE, --source=FILE
 #/          Load FILE into the environment before processing templates.
+#/          Can be used multiple times.
 #
 # Mo is under a MIT style licence with an additional non-advertising clause.
 # See LICENSE.md for the full text.
@@ -71,6 +72,7 @@
 #     -s=FILE, --source=FILE
 #
 # Source a file into the environment before processing template files.
+# This can be used multiple times.
 #
 #     --
 #

tests/help.expected

@@ -14,14 +14,15 @@ Simple usage:
 Options:
 
    -u, --fail-not-set
-         - Fail upon expansion of an unset variable.
+         Fail upon expansion of an unset variable.
    -x, --fail-on-function
-         - Fail when a function returns a non-zero status code.
+         Fail when a function returns a non-zero status code.
    -e, --false
-         - Treat the string "false" as empty for conditionals.
+         Treat the string "false" as empty for conditionals.
    -h, --help
-         - This message.
+         This message.
    -s=FILE, --source=FILE
-         - Load FILE into the environment before processing templates.
+         Load FILE into the environment before processing templates.
+         Can be used multiple times.
 
 MO_VERSION=2.2.0

tests/source-multiple-1.vars

@@ -0,0 +1,2 @@
+export A=from1
+export B=from1

tests/source-multiple-2.vars

@@ -0,0 +1,2 @@
+export B=from2
+export C=from2

tests/source-multiple.expected

@@ -0,0 +1,3 @@
+A: from1
+B: from2
+C: from2

tests/source-multiple.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+cd "${0%/*}" || exit 1
+cat <<EOF | ../mo --source=source-multiple-1.vars --source=source-multiple-2.vars
+A: {{A}}
+B: {{B}}
+C: {{C}}
+EOF