Switch to golangci-lint

.buildkite/pipeline.yaml

@@ -2,19 +2,6 @@ steps:
   - command:
     - "go build ./cmd/..."
     label: ":hammer_and_wrench: Build / :go: 1.11"
-    env:
-      GOGC: "400"
-      DENDRITE_LINT_DISABLE_GC: "1"
-    plugins:
-      - docker#v3.0.1:
-          image: "golang:1.11"
-
-  - command:
-    - "go test ./..."
-    label: ":female-scientist: Unit tests / :go: 1.11"
-    env:
-      GOGC: "400"
-      DENDRITE_LINT_DISABLE_GC: "1"
     plugins:
       - docker#v3.0.1:
           image: "golang:1.11"
@@ -22,19 +9,20 @@ steps:
   - command:
     - "go build ./cmd/..."
     label: ":hammer_and_wrench: Build / :go: 1.12"
-    env:
-      GOGC: "400"
-      DENDRITE_LINT_DISABLE_GC: "1"
     plugins:
       - docker#v3.0.1:
           image: "golang:1.12"
 
+  - command:
+    - "go test ./..."
+    label: ":female-scientist: Unit tests / :go: 1.11"
+    plugins:
+      - docker#v3.0.1:
+          image: "golang:1.11"
+
   - command:
     - "go test ./..."
     label: ":female-scientist: Unit tests / :go: 1.12"
-    env:
-      GOGC: "400"
-      DENDRITE_LINT_DISABLE_GC: "1"
     plugins:
       - docker#v3.0.1:
           image: "golang:1.12"
@@ -43,9 +31,7 @@ steps:
     - "./scripts/find-lint.sh"
     label: ":lower_left_crayon: Lint / :go: 1.12"
     env:
-      GOGC: "400"
-      DENDRITE_LINT_DISABLE_GC: "1"
-      GO111MODULE: "off"
+      GOGC: "100" # https://github.com/golangci/golangci-lint#memory-usage-of-golangci-lint
     plugins:
       - docker#v3.0.1:
           image: "golang:1.12"

scripts/find-lint.sh

@@ -6,41 +6,27 @@
 # configured using two environment variables:
 #
 # - `DENDRITE_LINT_CONCURRENCY` - number of concurrent linters to run,
-#   gometalinter defaults this to 8
-# - `DENDRITE_LINT_DISABLE_GC` - if set then the the go gc will be disabled
-#   when running the linters, speeding them up but using much more memory.
+#   golangci-lint defaults this to NumCPU
 
 
 set -eux
 
 cd `dirname $0`/..
 
-# gometalinter doesn't seem to work without this.
-# We should move from gometalinter asap as per https://github.com/matrix-org/dendrite/issues/697 so this is a temporary
-# fix.
-export GO111MODULE=off
-
 args=""
 if [ ${1:-""} = "fast" ]
-then args="--config=linter-fast.json"
-else args="--config=linter.json"
+then args="--fast"
 fi
 
 if [ -n "${DENDRITE_LINT_CONCURRENCY:-}" ]
 then args="$args --concurrency=$DENDRITE_LINT_CONCURRENCY"
 fi
 
-if [ -z "${DENDRITE_LINT_DISABLE_GC:-}" ]
-then args="$args --enable-gc"
-fi
-
-echo "Installing lint search engine..."
-go get github.com/alecthomas/gometalinter/
-
-gometalinter --config=linter.json ./... --install
+echo "Installing golangci-lint..."
+go get -u github.com/golangci/golangci-lint/cmd/golangci-lint
 
 echo "Looking for lint..."
-gometalinter ./... $args
+golangci-lint run $args
 
-echo "Double checking spelling..."
-misspell -error src *.md
+echo "Checking spelling..."
+golangci-lint -E "misspell" ./*.md