diff --git a/scripts/build_package.sh b/scripts/build_package.sh
index 7c61b32cf3..4818d7a6e2 100755
--- a/scripts/build_package.sh
+++ b/scripts/build_package.sh
@@ -4,8 +4,8 @@ set -e
 set -x
 
 if [ ! -d "dvc" ]; then
-	echo "Please run this script from repository root" >&2
-	exit 1
+  echo "Please run this script from repository root" >&2
+  exit 1
 fi
 
 echo 'PKG = "pip"' >dvc/utils/build.py
@@ -15,15 +15,15 @@ python setup.py bdist_wheel --universal
 
 # Make sure we have a correct version
 if [[ -n "$TRAVIS_TAG" ]]; then
-	pip uninstall -y dvc
-	if which dvc; then
-		echo "ERROR: dvc command still exists! Unable to verify dvc version." >&2
-		exit 1
-	fi
-	pip install dist/dvc-*.whl
-	if [[ "$(dvc --version)" != "$TRAVIS_TAG" ]]; then
-		echo "ERROR: 'dvc --version'$(dvc -V) doesn't match '$TRAVIS_TAG'" >&2
-		exit 1
-	fi
-	pip uninstall -y dvc
+  pip uninstall -y dvc
+  if which dvc; then
+    echo "ERROR: dvc command still exists! Unable to verify dvc version." >&2
+    exit 1
+  fi
+  pip install dist/dvc-*.whl
+  if [[ "$(dvc --version)" != "$TRAVIS_TAG" ]]; then
+    echo "ERROR: 'dvc --version'$(dvc -V) doesn't match '$TRAVIS_TAG'" >&2
+    exit 1
+  fi
+  pip uninstall -y dvc
 fi
diff --git a/scripts/build_posix.sh b/scripts/build_posix.sh
index a43f1c4ab8..83386e40d7 100755
--- a/scripts/build_posix.sh
+++ b/scripts/build_posix.sh
@@ -4,13 +4,13 @@ set -e
 set -x
 
 if [[ "$(uname)" == 'Linux' ]]; then
-	INSTALL_DIR=usr
-	FPM_FLAGS=
+  INSTALL_DIR=usr
+  FPM_FLAGS=
 else
-	INSTALL_DIR=usr/local
-	FPM_FLAGS='--osxpkg-identifier-prefix com.iterative'
-	FPM_FLAGS+=' --after-install scripts/fpm/after-install.sh'
-	FPM_FLAGS+=' --after-remove scripts/fpm/after-remove.sh'
+  INSTALL_DIR=usr/local
+  FPM_FLAGS='--osxpkg-identifier-prefix com.iterative'
+  FPM_FLAGS+=' --after-install scripts/fpm/after-install.sh'
+  FPM_FLAGS+=' --after-remove scripts/fpm/after-remove.sh'
 fi
 
 BUILD_DIR=build
@@ -21,121 +21,121 @@ LIB_DIR=$BUILD_DIR/$INSTALL_DIR/lib
 FPM_PACKAGE_DIRS="usr"
 ZSH_CMPLT_DIR=usr/share/zsh/site-functions/_dvc
 if [[ "$(uname)" == 'Linux' ]]; then
-	BASH_CMPLT_DIR=etc/bash_completion.d
-	FPM_PACKAGE_DIRS="$FPM_PACKAGE_DIRS etc"
+  BASH_CMPLT_DIR=etc/bash_completion.d
+  FPM_PACKAGE_DIRS="$FPM_PACKAGE_DIRS etc"
 else
-	BASH_CMPLT_DIR=usr/local/etc/bash_completion.d
+  BASH_CMPLT_DIR=usr/local/etc/bash_completion.d
 fi
 
 print_error() {
-	echo -e "\e[31m$1\e[0m" >&2
+  echo -e "\e[31m$1\e[0m" >&2
 }
 
 if [ ! -d "dvc" ]; then
-	print_error "Please run this script from repository root"
-	exit 1
+  print_error "Please run this script from repository root"
+  exit 1
 fi
 
 trap 'print_error "FAIL"; exit 1' ERR
 
 print_info() {
-	echo -e "\e[32m$1\e[0m"
+  echo -e "\e[32m$1\e[0m"
 }
 
 command_exists() {
-	command -v $1 >/dev/null 2>&1
+  command -v $1 >/dev/null 2>&1
 }
 
 fpm_build() {
-	print_info "Building $1..."
-	VERSION=$(python -c "import dvc; from dvc import __version__; print(str(__version__))")
-	fpm -s dir \
-		-f \
-		-t $1 \
-		--description "$DESC" \
-		$FPM_FLAGS \
-		-n dvc \
-		-v $VERSION \
-		-C $BUILD_DIR \
-		$FPM_PACKAGE_DIRS
+  print_info "Building $1..."
+  VERSION=$(python -c "import dvc; from dvc import __version__; print(str(__version__))")
+  fpm -s dir \
+    -f \
+    -t $1 \
+    --description "$DESC" \
+    $FPM_FLAGS \
+    -n dvc \
+    -v $VERSION \
+    -C $BUILD_DIR \
+    $FPM_PACKAGE_DIRS
 }
 
 cleanup() {
-	print_info "Cleaning up..."
-	rm -rf build
+  print_info "Cleaning up..."
+  rm -rf build
 }
 
 install_dependencies() {
-	print_info "Installing fpm..."
-	if command_exists dnf; then
-		sudo dnf install ruby-devel gcc make rpm-build
-	elif command_exists yum; then
-		sudo yum install ruby-devel gcc make rpm-build
-	elif command_exists apt-get; then
-		sudo apt-get update -y
-		sudo apt-get install ruby-dev build-essential rpm python-pip python-dev
-	elif command_exists brew; then
-		brew install ruby
-	else
-		echo "Unable to install fpm dependencies" && exit 1
-	fi
-
-	gem install --no-document fpm
-
-	# https://github.com/iterative/dvc/issues/2970
-	gem uninstall -i /Users/travis/.rvm/gems/ruby-2.4.3@global rubygems-bundler
-
-	print_info "Installing requirements..."
-	pip install .[all]
-	pip install -r scripts/build-requirements.txt
+  print_info "Installing fpm..."
+  if command_exists dnf; then
+    sudo dnf install ruby-devel gcc make rpm-build
+  elif command_exists yum; then
+    sudo yum install ruby-devel gcc make rpm-build
+  elif command_exists apt-get; then
+    sudo apt-get update -y
+    sudo apt-get install ruby-dev build-essential rpm python-pip python-dev
+  elif command_exists brew; then
+    brew install ruby
+  else
+    echo "Unable to install fpm dependencies" && exit 1
+  fi
+
+  gem install --no-document fpm
+
+  # https://github.com/iterative/dvc/issues/2970
+  gem uninstall -i /Users/travis/.rvm/gems/ruby-2.4.3@global rubygems-bundler
+
+  print_info "Installing requirements..."
+  pip install .[all]
+  pip install -r scripts/build-requirements.txt
 }
 
 build_dvc() {
-	print_info "Building dvc binary..."
-	pyinstaller \
-		--additional-hooks-dir $(pwd)/scripts/hooks dvc/__main__.py \
-		--name dvc \
-		--distpath $LIB_DIR \
-		--specpath $BUILD_DIR
-
-	$LIB_DIR/dvc/dvc --help
-
-	# NOTE: in osxpkg fpm replaces symlinks with actual file that it
-	# points to, so we need to use after-install hook. See FPM_FLAGS
-	# above.
-	if [[ "$(uname)" == 'Linux' ]]; then
-		mkdir -p $BIN_DIR
-		pushd $BIN_DIR
-		ln -s ../lib/dvc/dvc dvc
-		popd
-		$BIN_DIR/dvc --help
-	fi
-
-	# NOTE: temporarily not adding scripts to mac package. See [1]
-	# [1] https://github.com/iterative/dvc/issues/2585
-	if [[ "$(uname)" == 'Linux' ]]; then
-		mkdir -p $BUILD_DIR/$BASH_CMPLT_DIR
-		cp scripts/completion/dvc.bash $BUILD_DIR/$BASH_CMPLT_DIR/dvc
-
-		mkdir -p $BUILD_DIR/$ZSH_CMPLT_DIR
-		cp scripts/completion/dvc.zsh $BUILD_DIR/$ZSH_CMPLT_DIR
-	fi
+  print_info "Building dvc binary..."
+  pyinstaller \
+    --additional-hooks-dir $(pwd)/scripts/hooks dvc/__main__.py \
+    --name dvc \
+    --distpath $LIB_DIR \
+    --specpath $BUILD_DIR
+
+  $LIB_DIR/dvc/dvc --help
+
+  # NOTE: in osxpkg fpm replaces symlinks with actual file that it
+  # points to, so we need to use after-install hook. See FPM_FLAGS
+  # above.
+  if [[ "$(uname)" == 'Linux' ]]; then
+    mkdir -p $BIN_DIR
+    pushd $BIN_DIR
+    ln -s ../lib/dvc/dvc dvc
+    popd
+    $BIN_DIR/dvc --help
+  fi
+
+  # NOTE: temporarily not adding scripts to mac package. See [1]
+  # [1] https://github.com/iterative/dvc/issues/2585
+  if [[ "$(uname)" == 'Linux' ]]; then
+    mkdir -p $BUILD_DIR/$BASH_CMPLT_DIR
+    cp scripts/completion/dvc.bash $BUILD_DIR/$BASH_CMPLT_DIR/dvc
+
+    mkdir -p $BUILD_DIR/$ZSH_CMPLT_DIR
+    cp scripts/completion/dvc.zsh $BUILD_DIR/$ZSH_CMPLT_DIR
+  fi
 }
 
 build() {
-	cleanup
-	echo "PKG = \"$1\"" >dvc/utils/build.py
-	build_dvc
-	fpm_build $1
+  cleanup
+  echo "PKG = \"$1\"" >dvc/utils/build.py
+  build_dvc
+  fpm_build $1
 }
 
 install_dependencies
 
 if [[ "$(uname)" == 'Linux' ]]; then
-	build rpm
-	build deb
+  build rpm
+  build deb
 else
-	build osxpkg
+  build osxpkg
 fi
 
 cleanup
diff --git a/scripts/build_snap.sh b/scripts/build_snap.sh
index 1ef6776bd3..93e7d51cc5 100755
--- a/scripts/build_snap.sh
+++ b/scripts/build_snap.sh
@@ -3,24 +3,24 @@ set -e
 set -x
 
 if [ ! -d "dvc" ]; then
-	echo "Please run this script from repository root"
-	exit 1
+  echo "Please run this script from repository root"
+  exit 1
 fi
 
 sudo snapcraft --use-lxd
 
 pip uninstall -y dvc
 if which dvc; then
-	echo "ERROR: dvc command still exists! Unable to verify dvc version." >&2
-	exit 1
+  echo "ERROR: dvc command still exists! Unable to verify dvc version." >&2
+  exit 1
 fi
 sudo snap install --dangerous --classic dvc_*.snap
 if [[ -n "$TRAVIS_TAG" ]]; then
-	# Make sure we have a correct version
-	if [[ "$(dvc --version)" != "$TRAVIS_TAG" ]]; then
-		echo "ERROR: 'dvc --version'$(dvc -V) doesn't match '$TRAVIS_TAG'" >&2
-		exit 1
-	fi
+  # Make sure we have a correct version
+  if [[ "$(dvc --version)" != "$TRAVIS_TAG" ]]; then
+    echo "ERROR: 'dvc --version'$(dvc -V) doesn't match '$TRAVIS_TAG'" >&2
+    exit 1
+  fi
 fi
 # ensure basic commands can run
 # N.B.: cannot run `dvc get` on travis (#2956)
diff --git a/scripts/ci/before_install.sh b/scripts/ci/before_install.sh
index c154a62b6a..451179c9bb 100644
--- a/scripts/ci/before_install.sh
+++ b/scripts/ci/before_install.sh
@@ -6,53 +6,53 @@ set -e
 scriptdir="$(dirname $0)"
 
 if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
-	ulimit -a
-	sudo sysctl -w kern.maxproc=2048
-	sudo sysctl -w kern.maxprocperuid=2048
-	echo '\nulimit -u 2048' >>~/.bash_profile
-	ulimit -a
+  ulimit -a
+  sudo sysctl -w kern.maxproc=2048
+  sudo sysctl -w kern.maxprocperuid=2048
+  echo '\nulimit -u 2048' >>~/.bash_profile
+  ulimit -a
 fi
 
 echo >env.sh
 
 if [[ "$TRAVIS_BUILD_STAGE_NAME" == "Test" ]]; then
-	if [[ "$TRAVIS_OS_NAME" != "windows" ]]; then
-		# NOTE: ssh keys for ssh test to be able to ssh to the localhost
-		ssh-keygen -t rsa -N "" -f mykey
-		mkdir -p ~/.ssh
-		cp mykey ~/.ssh/id_rsa
-		cp mykey.pub ~/.ssh/id_rsa.pub
-		cat mykey.pub >>~/.ssh/authorized_keys
-		ssh-keyscan localhost >>~/.ssh/known_hosts
-		ssh localhost ls &>/dev/null
-		ssh-keyscan 127.0.0.1 >>~/.ssh/known_hosts
-		ssh 127.0.0.1 ls &>/dev/null
-		ssh-keyscan 0.0.0.0 >>~/.ssh/known_hosts
-		ssh 0.0.0.0 ls &>/dev/null
-	fi
-
-	if [ "$TRAVIS_OS_NAME" == "linux" ]; then
-		bash "$scriptdir/install_azurite.sh"
-		bash "$scriptdir/install_oss.sh"
-		bash "$scriptdir/install_hadoop.sh"
-	fi
-
-	if [[ "$TRAVIS_OS_NAME" == "osx" && "$TRAVIS_PULL_REQUEST" == "false" ]]; then
-		brew install openssl
-		$scriptdir/retry.sh brew cask install google-cloud-sdk
-	fi
+  if [[ "$TRAVIS_OS_NAME" != "windows" ]]; then
+    # NOTE: ssh keys for ssh test to be able to ssh to the localhost
+    ssh-keygen -t rsa -N "" -f mykey
+    mkdir -p ~/.ssh
+    cp mykey ~/.ssh/id_rsa
+    cp mykey.pub ~/.ssh/id_rsa.pub
+    cat mykey.pub >>~/.ssh/authorized_keys
+    ssh-keyscan localhost >>~/.ssh/known_hosts
+    ssh localhost ls &>/dev/null
+    ssh-keyscan 127.0.0.1 >>~/.ssh/known_hosts
+    ssh 127.0.0.1 ls &>/dev/null
+    ssh-keyscan 0.0.0.0 >>~/.ssh/known_hosts
+    ssh 0.0.0.0 ls &>/dev/null
+  fi
+
+  if [ "$TRAVIS_OS_NAME" == "linux" ]; then
+    bash "$scriptdir/install_azurite.sh"
+    bash "$scriptdir/install_oss.sh"
+    bash "$scriptdir/install_hadoop.sh"
+  fi
+
+  if [[ "$TRAVIS_OS_NAME" == "osx" && "$TRAVIS_PULL_REQUEST" == "false" ]]; then
+    brew install openssl
+    $scriptdir/retry.sh brew cask install google-cloud-sdk
+  fi
 fi
 
 if [[ "$TRAVIS_OS_NAME" == "windows" ]]; then
-	$scriptdir/retry.sh choco install python --version 3.7.5
-	echo 'PATH="/c/Python37:/c/Python37/Scripts:$PATH"' >>env.sh
+  $scriptdir/retry.sh choco install python --version 3.7.5
+  echo 'PATH="/c/Python37:/c/Python37/Scripts:$PATH"' >>env.sh
 elif [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
-	ln -s -f /usr/local/bin/python3 /usr/local/bin/python
-	ln -s -f /usr/local/bin/pip3 /usr/local/bin/pip
+  ln -s -f /usr/local/bin/python3 /usr/local/bin/python
+  ln -s -f /usr/local/bin/pip3 /usr/local/bin/pip
 fi
 
 if [[ -n "$TRAVIS_TAG" ]]; then
-	echo "export SNAP_CHANNEL=stable" >>env.sh
+  echo "export SNAP_CHANNEL=stable" >>env.sh
 else
-	echo "export SNAP_CHANNEL=edge" >>env.sh
+  echo "export SNAP_CHANNEL=edge" >>env.sh
 fi
diff --git a/scripts/ci/check_python.sh b/scripts/ci/check_python.sh
index 77e86ecbef..b4ca089329 100644
--- a/scripts/ci/check_python.sh
+++ b/scripts/ci/check_python.sh
@@ -4,15 +4,15 @@ set -e
 set -x
 
 if [[ "$TRAVIS_OS_NAME" == "windows" ]]; then
-	where python
-	where pip
+  where python
+  where pip
 else
-	which python
-	which pip
+  which python
+  which pip
 fi
 
 py_ver="$(python -c 'import sys; print(sys.version[0])')"
 
 if [[ "$py_ver" != 3 ]]; then
-	exit 1
+  exit 1
 fi
diff --git a/scripts/ci/deploy_condition.sh b/scripts/ci/deploy_condition.sh
index 1309f76289..6b95494347 100755
--- a/scripts/ci/deploy_condition.sh
+++ b/scripts/ci/deploy_condition.sh
@@ -3,13 +3,13 @@
 set -e
 
 if [[ $TRAVIS_EVENT_TYPE = pull_request || $TRAVIS_EVENT_TPYE = cron ]]; then
-	exit 2
+  exit 2
 fi
 
 # positional args are assumed to be file glob patterns to deploy
 if [[ ${#} -ge 1 ]]; then
-	# ensure at least one file exists
-	[[ -n "$(ls $@ 2>/dev/null)" ]] || exit 3
+  # ensure at least one file exists
+  [[ -n "$(ls $@ 2>/dev/null)" ]] || exit 3
 fi
 
 echo true
diff --git a/scripts/ci/install.sh b/scripts/ci/install.sh
index d91c207be5..425b6eaf62 100644
--- a/scripts/ci/install.sh
+++ b/scripts/ci/install.sh
@@ -14,9 +14,9 @@ git config --global user.email "dvctester@example.com"
 git config --global user.name "DVC Tester"
 
 if [[ "$TRAVIS_SECURE_ENV_VARS" == "true" ]]; then
-	aws configure set aws_access_key_id $AWS_ACCESS_KEY_ID
-	aws configure set aws_secret_access_key $AWS_SECRET_ACCESS_KEY
-	aws configure set region us-east-2
+  aws configure set aws_access_key_id $AWS_ACCESS_KEY_ID
+  aws configure set aws_secret_access_key $AWS_SECRET_ACCESS_KEY
+  aws configure set region us-east-2
 
-	openssl enc -d -aes-256-cbc -md md5 -k $GCP_CREDS -in scripts/ci/gcp-creds.json.enc -out scripts/ci/gcp-creds.json
+  openssl enc -d -aes-256-cbc -md md5 -k $GCP_CREDS -in scripts/ci/gcp-creds.json.enc -out scripts/ci/gcp-creds.json
 fi
diff --git a/scripts/ci/install_azurite.sh b/scripts/ci/install_azurite.sh
index 30a7ef9437..d02223d8a0 100755
--- a/scripts/ci/install_azurite.sh
+++ b/scripts/ci/install_azurite.sh
@@ -12,9 +12,9 @@ sudo apt-get install -y docker-ce
 
 # run azurite
 sudo docker run -d --restart always -e executable=blob -p 10000:10000 \
-	--tmpfs /opt/azurite/folder \
-	mcr.microsoft.com/azure-storage/azurite:3.3.0-preview \
-	azurite -l /data --blobHost 0.0.0.0
+  --tmpfs /opt/azurite/folder \
+  mcr.microsoft.com/azure-storage/azurite:3.3.0-preview \
+  azurite -l /data --blobHost 0.0.0.0
 
 # save secrets
 echo "export AZURE_STORAGE_CONTAINER_NAME='travis-tests'" >>env.sh
diff --git a/scripts/ci/retry.sh b/scripts/ci/retry.sh
index cd2ff129fa..07458c9948 100755
--- a/scripts/ci/retry.sh
+++ b/scripts/ci/retry.sh
@@ -4,8 +4,8 @@ set -e
 
 N_RETRIES=3
 for i in $(seq $N_RETRIES); do
-	echo "Attempt #$i"
-	$@ && exit $?
+  echo "Attempt #$i"
+  $@ && exit $?
 done
 
 exit $?
diff --git a/scripts/ci/script.sh b/scripts/ci/script.sh
index f9b6a72477..2ad7ba26c4 100644
--- a/scripts/ci/script.sh
+++ b/scripts/ci/script.sh
@@ -6,7 +6,7 @@ set -e
 python -mtests
 
 if [[ "$TRAVIS_PULL_REQUEST" == "false" && \
-	"$TRAVIS_SECURE_ENV_VARS" == "true" ]]; then
-	pip install codecov
-	codecov
+  "$TRAVIS_SECURE_ENV_VARS" == "true" ]]; then
+  pip install codecov
+  codecov
 fi
diff --git a/scripts/completion/dvc.bash b/scripts/completion/dvc.bash
index 40a2604410..6505c1398e 100644
--- a/scripts/completion/dvc.bash
+++ b/scripts/completion/dvc.bash
@@ -72,30 +72,30 @@ _dvc_version=''
 #       ${!x} ->  ${hello} ->  "world"
 #
 _dvc() {
-	replace_hyphen() {
-		echo $(echo $1 | sed 's/-/_/g')
-	}
+  replace_hyphen() {
+    echo $(echo $1 | sed 's/-/_/g')
+  }
 
-	local word="${COMP_WORDS[COMP_CWORD]}"
+  local word="${COMP_WORDS[COMP_CWORD]}"
 
-	COMPREPLY=()
+  COMPREPLY=()
 
-	if [ "${COMP_CWORD}" -eq 1 ]; then
-		case "$word" in
-		-*) COMPREPLY=($(compgen -W "$_dvc_options" -- "$word")) ;;
-		*) COMPREPLY=($(compgen -W "$_dvc_commands" -- "$word")) ;;
-		esac
-	elif [ "${COMP_CWORD}" -eq 2 ]; then
-		local options_list="_dvc_$(replace_hyphen ${COMP_WORDS[1]})"
+  if [ "${COMP_CWORD}" -eq 1 ]; then
+    case "$word" in
+    -*) COMPREPLY=($(compgen -W "$_dvc_options" -- "$word")) ;;
+    *) COMPREPLY=($(compgen -W "$_dvc_commands" -- "$word")) ;;
+    esac
+  elif [ "${COMP_CWORD}" -eq 2 ]; then
+    local options_list="_dvc_$(replace_hyphen ${COMP_WORDS[1]})"
 
-		COMPREPLY=($(compgen -W "$_dvc_global_options ${!options_list}" -- "$word"))
-	elif [ "${COMP_CWORD}" -eq 3 ]; then
-		local options_list="_dvc_$(replace_hyphen ${COMP_WORDS[1]})_$(replace_hyphen ${COMP_WORDS[2]})"
+    COMPREPLY=($(compgen -W "$_dvc_global_options ${!options_list}" -- "$word"))
+  elif [ "${COMP_CWORD}" -eq 3 ]; then
+    local options_list="_dvc_$(replace_hyphen ${COMP_WORDS[1]})_$(replace_hyphen ${COMP_WORDS[2]})"
 
-		COMPREPLY=($(compgen -W "$_dvc_global_options ${!options_list}" -- "$word"))
-	fi
+    COMPREPLY=($(compgen -W "$_dvc_global_options ${!options_list}" -- "$word"))
+  fi
 
-	return 0
+  return 0
 }
 
 complete -F _dvc dvc
diff --git a/scripts/pypi_upload.sh b/scripts/pypi_upload.sh
index 572bc0a2ee..5c9115662d 100755
--- a/scripts/pypi_upload.sh
+++ b/scripts/pypi_upload.sh
@@ -3,8 +3,8 @@
 set -e
 
 if [ ! -d "dvc" ]; then
-	echo "Please run this script from repository root"
-	exit 1
+  echo "Please run this script from repository root"
+  exit 1
 fi
 
 rm -rf dist/