Add ./scripts/vendor-cleanup.sh

And cleanup glide.yaml

scripts/vendor-cleanup.sh

@@ -0,0 +1,55 @@
+#!/bin/bash
+set -e
+
+cd $(dirname $0)/..
+
+package=$(go list)
+prefix="${package}/vendor"
+require="github.com/stretchr/testify/require" # the only test import
+
+imports=(  )
+importsLen=${#imports[@]}
+
+collectImports() {
+  imports=( $(GOOS=linux go list -f '{{join .Deps "\n"}}' | egrep "^${prefix}/" | sed s%"^${package}.*/vendor/"%./vendor/%) )
+  imports=(
+    "${imports[@]}" "./vendor/${require}"
+    $(GOOS=linux go list -f '{{join .Deps "\n"}}' "${prefix}/${require}" | egrep "^${prefix}/" | sed s%"^${package}.*/vendor/"%./vendor/%)
+  )
+  echo importsLen: $importsLen
+  echo collected imports: ${#imports[@]}
+}
+
+nonImports() {
+  while read path; do
+    skip=0
+    for i in "${imports[@]}"; do
+      [[ "${i}" == "${path}" || ${i} = ${path}/* ]] && skip=1 && break
+    done
+    [ "$skip" == "0" ] && echo ${path}
+  done
+}
+
+collectImports
+
+while [ ${#imports[@]} != ${importsLen} ]; do
+  importsLen=${#imports[@]}
+  echo '=====> Collected imports'
+  for i in "${imports[@]}"; do
+    echo ${i}
+  done
+
+  echo '=====> Removing unused packages'
+  find  ./vendor -type d | nonImports | xargs -I{} rm -rf {}
+
+  echo '=====> Removing empty dirs'
+  emptyDirs=( $(find ./vendor -type d -empty) )
+  while [ ${#emptyDirs[@]} -gt 0 ]; do
+    rmdir ${emptyDirs[@]}
+    emptyDirs=( $(find ./vendor -type d -empty) )
+  done
+
+  collectImports
+done
+
+echo '=====> Done!'