Move to devscripts to avoid top level dir clutter

devscripts/checkdeps.sh

@@ -0,0 +1,78 @@
+#!/usr/bin/env bash
+
+check_version() {
+    local version=$1 check=$2
+    local highest=$(echo -e "$version\n$check" | sort -nrt. -k1,1 -k2,2 -k3,3 | head -1)
+    [[ "$highest" = "$version" ]] && return 0
+    return 1
+}
+
+echo -n "Checking if proper environment variables are set.. "
+
+echo ${GOROOT:?} 2>&1 >/dev/null
+if [ $? -eq 1 ]; then
+    echo "ERROR"
+    echo "GOROOT environment variable missing, please refer to Go installation document"
+    echo "https://github.com/Minio-io/minio/blob/master/BUILDDEPS.md#install-go-13"
+    exit 1
+fi
+
+echo ${GOPATH:?} 2>&1 >/dev/null
+if [ $? -eq 1 ]; then
+    echo "ERROR"
+    echo "GOPATH environment variable missing, please refer to Go installation document"
+    echo "https://github.com/Minio-io/minio/blob/master/BUILDDEPS.md#install-go-13"
+    exit 1
+fi
+
+echo "Done"
+echo "Using GOPATH=${GOPATH} and GOROOT=${GOROOT}"
+
+echo -n "Checking dependencies for Minio.. "
+
+## Check all dependencies are present
+MISSING=""
+
+check_version "$(env go version | sed 's/^.* go\([0-9.]*\).*$/\1/')" "1.4"
+if [ $? -ne 0 ]; then
+    MISSING="${MISSING} golang(1.4)"
+fi
+
+env git --version > /dev/null 2>&1
+if [ $? -ne 0 ]; then
+  MISSING="${MISSING} git"
+fi
+
+env gcc --version > /dev/null 2>&1
+if [ $? -ne 0 ]; then
+    MISSING="${MISSING} build-essential"
+fi
+
+env yasm --version > /dev/null 2>&1
+if [ $? -ne 0 ]; then
+    MISSING="${MISSING} yasm"
+fi
+
+if ! yasm -f elf64 pkg/storage/erasure/gf-vect-dot-prod-avx2.asm -o /dev/null 2>/dev/null ; then
+    MISSING="${MISSING} yasm(1.2.0)"
+fi
+
+env mkdocs help >/dev/null 2>&1
+if [ $? -ne 0 ]; then
+    MISSING="${MISSING} mkdocs"
+fi
+
+## If dependencies are missing, warn the user and abort
+if [ "x${MISSING}" != "x" ]; then
+  echo "ERROR"
+  echo
+  echo "The following build tools are missing:"
+  echo
+  echo "** ${MISSING} **"
+  echo
+  echo "Please install them "
+  echo "${MISSING}"
+  echo
+  exit 1
+fi
+echo "Done"