Fixed build tags and deps for all build/test steps

.drone.yml

@@ -8,9 +8,10 @@ pipeline:
     pull: true
     environment:
       CGO_ENABLED: 1
-      TAGS: sqlite tidb pam
+      TAGS: sqlite
+      GOPATH: /srv/app
     commands:
-      - apk -U add linux-pam-dev openssh-client
+      - apk -U add openssh-client
       - make clean
       - make vet
       - make lint
@@ -22,34 +23,46 @@ pipeline:
   test-mysql:
     image: webhippie/golang:edge
     pull: true
+    environment:
+      CGO_ENABLED: 1
+      TAGS: sqlite
+      GOPATH: /srv/app
     commands:
-     - make test-mysql
+      - make test-mysql
     when:
       event: [ push ]
 
   test-pgsql:
     image: webhippie/golang:edge
     pull: true
+    environment:
+      CGO_ENABLED: 1
+      TAGS: sqlite
+      GOPATH: /srv/app
     commands:
-     - make test-pgsql
+      - make test-pgsql
     when:
       event: [ push ]
 
+  updater:
+    image: karalabe/xgo-latest:latest
+    pull: true
+    environment:
+      CGO_ENABLED: 1
+      TAGS: sqlite
+      GOPATH: /srv/app
+    commands:
+      - make release
+    when:
+      event: [ push, tag ]
+      branch: [ master, refs/tags/* ]
+
   coverage:
     image: plugins/coverage
     server: https://coverage.gitea.io
     when:
       event: [ push, tag, pull_request ]
 
-  updater:
-    image: karalabe/xgo-latest:latest
-    pull: true
-    commands:
-      - make release
-    when:
-      event: [ push, tag ]
-      branch: [ master, refs/tags/* ]
-
   docker:
     image: plugins/docker
     repo: gitea/gitea