Run Drone with Julia 1.5 and only on master branch

.drone.jsonnet

@@ -0,0 +1,26 @@
+local Pipeline(os, arch, version) = {
+    kind: "pipeline",
+    name: os+" - "+arch+" - Julia "+version,
+    platform: {
+	os: os,
+	arch: arch
+    },
+    steps: [
+	{
+	    name: "build",
+	    image: "julia:"+version,
+	    commands: [
+		"julia --project=. --check-bounds=yes --color=yes -e 'using InteractiveUtils; versioninfo(verbose=true); using Pkg; Pkg.build(); Pkg.test(coverage=true)'"
+	    ]
+	}
+    ],
+    trigger: {
+        branch: ["master"]
+    }
+};
+
+[
+    Pipeline("linux", "arm",   "1.3"),
+    Pipeline("linux", "arm64", "1.3"),
+    Pipeline("linux", "arm64", "1.5")
+]

.drone.yml

@@ -12,6 +12,10 @@ steps:
   commands:
   - "julia --project=. --check-bounds=yes --color=yes -e 'using InteractiveUtils; versioninfo(verbose=true); using Pkg; Pkg.build(); Pkg.test(coverage=true)'"
 
+trigger:
+  branch:
+  - master
+
 ---
 kind: pipeline
 name: linux - arm64 - Julia 1.3
@@ -26,4 +30,26 @@ steps:
   commands:
   - "julia --project=. --check-bounds=yes --color=yes -e 'using InteractiveUtils; versioninfo(verbose=true); using Pkg; Pkg.build(); Pkg.test(coverage=true)'"
 
+trigger:
+  branch:
+  - master
+
+---
+kind: pipeline
+name: linux - arm64 - Julia 1.5
+
+platform:
+  os: linux
+  arch: arm64
+
+steps:
+- name: build
+  image: julia:1.5
+  commands:
+  - "julia --project=. --check-bounds=yes --color=yes -e 'using InteractiveUtils; versioninfo(verbose=true); using Pkg; Pkg.build(); Pkg.test(coverage=true)'"
+
+trigger:
+  branch:
+  - master
+
 ...

.gitattributes

@@ -0,0 +1,2 @@
+.drone.jsonnet linguist-detectable=false
+CITATION.bib linguist-detectable=false