Untangle precommit and travis test scripts (#288)

scripts/find-lint.sh

@@ -0,0 +1,41 @@
+#! /bin/bash
+
+# Runs the linters against dendrite
+
+# The linters can take a lot of resources and are slow, so they can be
+# 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.
+
+
+set -eu
+
+export GOPATH="$(pwd):$(pwd)/vendor"
+export PATH="$PATH:$(pwd)/vendor/bin:$(pwd)/bin"
+
+args=""
+if [ ${1:-""} = "fast" ]
+then args="--config=linter-fast.json"
+else args="--config=linter.json"
+fi
+
+if [ -n "${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 install github.com/alecthomas/gometalinter/
+gometalinter --config=linter.json ./... --install
+
+echo "Looking for lint..."
+gometalinter ./... $args
+
+echo "Double checking spelling..."
+misspell -error src *.md