Build fixes for Alpine latest (#246)

* trying alpine

* Make directory /usr/local/src/ for Alpine based distros

* fixes some alpine issue

* move gem install etc to its own task

* moved gem install etc for alphine into dependencies

* reenabling all ci tests

* typo fix as per review

* clarity around doc build disable being gnupg docs

* commit about ignoring non-zero return value

.ci/integration/gnupg-git/default.yml

@@ -60,6 +60,11 @@
       when:
         - ansible_os_family == "RedHat"
 
+    - name: Install gnupg build dependencies for Alpine based distros
+      command: bash -lc "apk add gnutls-dev libksba-dev libgcrypt-dev libgpg-error-dev npth-dev zlib-dev libassuan-dev bzip2-dev sqlite-dev libusb-dev"
+      when:
+        - ansible_os_family == "Alpine"
+
     - name: Install rspec in /usr/local/bin for RedHat based distros
       command: bash -lc "gem install -n /usr/local/bin rspec"
       when:
@@ -90,6 +95,11 @@
       retries: 5
       delay: 10
 
+    - name: Make directory /usr/local/src/ for Alpine based distros
+      command: bash -lc "mkdir -p /usr/local/src/"
+      when:
+        - ansible_os_family == "Alpine"
+
     - name: Extract gnupg source tarball
       unarchive:
         src: /tmp/gnupg.tar.gz
@@ -132,6 +142,15 @@
       command: bash -lc "cd {{ gpg_src_path }} && ./configure {{ gpg_build_config }}"
       changed_when: False
 
+    # disable gnupg doc build on alpine as it is not detecting an absence of graphical tools such as fig2dev on alpine
+    - name: Disable making docs on Alpine
+      lineinfile:
+        path: "{{ gpg_src_path }}/Makefile"
+        regexp: '^doc = doc$'
+        line: 'doc = '
+      when:
+        - ansible_os_family == "Alpine"
+
     - name: Compile gnupg src
       command: bash -lc "cd {{ gpg_src_path }} && make"
       changed_when: False

.ci/integration/tasks/dependencies.yml

@@ -28,3 +28,9 @@
     name: fpm
     state: present
     user_install: no
+
+# here the package is installed but a non-zero status code is returned that we ignore
+- name: Install apk packaging dependencies for Alpine based distros
+  command: bash -lc "gem install etc || :"
+  when:
+    - ansible_os_family == "Alpine"

.ci/integration/vars/Alpine.yml

@@ -13,3 +13,6 @@ test_dependencies:
 build_tools:
   - make
   - tar
+  - autoconf
+  - automake
+  - gettext

.travis.yml

@@ -7,12 +7,12 @@ matrix:
       sudo: required
       language: ruby
       rvm: 2.4
-    #- os: linux
-    #  env: KITCHEN_REGEXP="gnupg1-alpine-latest"
-    #  services: docker
-    #  sudo: required
-    #  language: ruby
-    #  rvm: 2.4
+    - os: linux
+      env: KITCHEN_REGEXP="gnupg1-alpine-latest"
+      services: docker
+      sudo: required
+      language: ruby
+      rvm: 2.4
     - os: linux
       env: KITCHEN_REGEXP="gnupg1-debian-latest"
       services: docker
@@ -37,12 +37,12 @@ matrix:
       sudo: required
       language: ruby
       rvm: 2.4
-    #- os: linux
-    #  env: KITCHEN_REGEXP="gnupg2-alpine-latest"
-    #  services: docker
-    #  sudo: required
-    #  language: ruby
-    #  rvm: 2.4
+    - os: linux
+      env: KITCHEN_REGEXP="gnupg2-alpine-latest"
+      services: docker
+      sudo: required
+      language: ruby
+      rvm: 2.4
     - os: linux
       env: KITCHEN_REGEXP="gnupg2-debian-latest"; GITSECRET_DIST="deb"
       services: docker
@@ -122,4 +122,4 @@ after_deploy:
 notifications:
   email:
     on_success: never
-    on_failure: change
+    on_failure: change