change drone ci to use jsonnet.

.drone.jsonnet

@@ -0,0 +1,26 @@
+local Pipeline(version, mod) = {
+  kind: "pipeline",
+  name: "test-" + version,
+  workspace: if mod then "/project/irc" else "/go/src/github.com/gissleh/irc",
+  steps: [
+    {
+      name: "test",
+      image: "goland:" + version,
+      commands: [
+        if mod then "go mod download" else "go get",
+        "go test -v ./...",
+        "go test -bench ./..."
+      ]
+    }
+  ]
+};
+
+[
+  Pipeline("1.14", true),
+  Pipeline("1.13", true),
+  Pipeline("1.12", true),
+  Pipeline("1.11", true),
+  Pipeline("1.11", false),
+  Pipeline("1.11", false),
+  Pipeline("1.11", false),
+]

.drone.yml

@@ -1,70 +0,0 @@
-name: irc
-kind: pipeline
-type: exec
-
-workspace:
-  base: /project
-  path: irc/
-
-pipeline:
-  test-1.14:
-    image: golang:1.14
-    commands:
-      - go mod download
-      - go test ./... -v
-      - go test -bench ./...
-  test-1.13:
-    image: golang:1.13
-    commands:
-      - go mod download
-      - go test ./... -v
-      - go test -bench ./...
-  test-1.12:
-    image: golang:1.12
-    commands:
-      - go mod download
-      - go test ./... -v
-      - go test -bench ./...
-  test-1.11:
-    image: golang:1.11
-    commands:
-      - go mod download
-      - go test ./... -v
-      - go test -bench ./...
-  test-1.10:
-    image: golang:1.10
-    commands:
-      - mkdir -p /go/src/github.com/gissleh/
-      - ln -s /project/irc /go/src/github.com/gissleh/irc
-      - cd /go/src/github.com/gissleh/irc/
-      - ls -lR
-      - go test ./... -v
-      - go test -bench ./...
-  test-1.9:
-    image: golang:1.9
-    commands:
-      - mkdir -p /go/src/github.com/gissleh/
-      - ln -s /project/irc /go/src/github.com/gissleh/irc
-      - cd /go/src/github.com/gissleh/irc/
-      - go test ./... -v
-      - go test -bench ./...
-  test-1.8:
-    image: golang:1.8
-    commands:
-      - mkdir -p /go/src/github.com/gissleh/
-      - ln -s /project/irc /go/src/github.com/gissleh/irc
-      - cd /go/src/github.com/gissleh/irc/
-      - go test ./... -v
-      - go test -bench ./...
-  done:
-    image: golang:1.8
-    depends_on:
-      - test-1.14
-      - test-1.13
-      - test-1.12
-      - test-1.11
-      - test-1.10
-      - test-1.9
-      - test-1.8
-    commands:
-      - "Dummy step for parallelization."