Remove unneeded builds

Author: bording

.travis.yml

@@ -12,27 +12,7 @@ matrix:
     - os: linux
       dist: trusty
       sudo: required
-      env: RID=ubuntu.18.04-x64
-    - os: linux
-      dist: trusty
-      sudo: required
-      env: RID=rhel-x64
-    - os: linux
-      dist: trusty
-      sudo: required
-      env: RID=fedora-x64
-    - os: linux
-      dist: trusty
-      sudo: required
-      env: RID=debian.9-x64
-    - os: linux
-      dist: trusty
-      sudo: required
-      env: RID=alpine-x64
-    - os: linux
-      dist: trusty
-      sudo: required
-      env: RID=alpine.3.9-x64
+      env: RID=linux-musl-x64
     - os: osx
       env: RID=osx
 

Dockerfile.alpine.3.9-x64

@@ -2,6 +2,6 @@ FROM alpine:3.7
 WORKDIR /nativebinaries
 COPY . /nativebinaries/
 
-RUN apk add --no-cache bash build-base cmake openssl-dev
+RUN apk add --no-cache bash build-base cmake
 
 CMD ["/bin/bash", "-c", "./build.libgit2.sh"]

Dockerfile.debian.9-x64

@@ -2,6 +2,6 @@ FROM ubuntu:14.04
 WORKDIR /nativebinaries
 COPY . /nativebinaries/
 
-RUN apt update && apt -y install cmake libssl-dev pkg-config
+RUN apt update && apt -y install cmake pkg-config
 
 CMD ["/bin/bash", "-c", "./build.libgit2.sh"]