fix: use whitespaces instead of tabs

rootfs/usr/local/bin/clone

@@ -1,17 +1,17 @@
 #!/bin/bash
 
 if [[ -n "${DRONE_WORKSPACE}" ]]; then
-	# ensure the unprivileged drone user can write
+  # ensure the unprivileged drone user can write
-	# to the workspace. This is required because
+  # to the workspace. This is required because
-	# the workspace is a docker volume and is owned
+  # the workspace is a docker volume and is owned
-	# by root.
+  # by root.
-	# sudo mkdir -p ${DRONE_WORKSPACE}
+  # sudo mkdir -p ${DRONE_WORKSPACE}
-	# sudo chown drone:drone ${DRONE_WORKSPACE}
+  # sudo chown drone:drone ${DRONE_WORKSPACE}
 
-	# ensure the workspace is the current working
+  # ensure the workspace is the current working
-	# directory. This should already be the case,
+  # directory. This should already be the case,
-	# but we cd just to be safe.
+  # but we cd just to be safe.
-	cd "${DRONE_WORKSPACE}" || exit 1
+  cd "${DRONE_WORKSPACE}" || exit 1
 fi
 
 # force the home directory path.
@@ -25,7 +25,7 @@ fi
 # the netrc file.
 
 if [[ -n "${DRONE_NETRC_MACHINE}" ]]; then
-	cat <<EOF > "${HOME}/.netrc"
+  cat <<EOF > "${HOME}/.netrc"
 machine ${DRONE_NETRC_MACHINE}
 login ${DRONE_NETRC_USERNAME}
 password ${DRONE_NETRC_PASSWORD}
@@ -36,13 +36,13 @@ fi
 # the ssh key and add the netrc machine to the
 # known hosts file.
 if [[ -n "${DRONE_SSH_KEY}" ]]; then
-	mkdir "${HOME}/.ssh"
+  mkdir "${HOME}/.ssh"
-	echo -n "${DRONE_SSH_KEY}" > "${HOME}/.ssh/id_rsa"
+  echo -n "${DRONE_SSH_KEY}" > "${HOME}/.ssh/id_rsa"
-	chmod 600 "${HOME}/.ssh/id_rsa"
+  chmod 600 "${HOME}/.ssh/id_rsa"
 
-	touch "${HOME}/.ssh/known_hosts"
+  touch "${HOME}/.ssh/known_hosts"
-	chmod 600 "${HOME}/.ssh/known_hosts"
+  chmod 600 "${HOME}/.ssh/known_hosts"
-	ssh-keyscan -H "${DRONE_NETRC_MACHINE}" > /etc/ssh/ssh_known_hosts 2> /dev/null
+  ssh-keyscan -H "${DRONE_NETRC_MACHINE}" > /etc/ssh/ssh_known_hosts 2> /dev/null
 fi
 
 # # AWS codecommit support using AWS access key & secret key
@@ -62,11 +62,11 @@ fi
 
 
 if [[ -z "${DRONE_COMMIT_AUTHOR_NAME}" ]]; then
-	export DRONE_COMMIT_AUTHOR_NAME=drone
+  export DRONE_COMMIT_AUTHOR_NAME=drone
 fi
 
 if [[ -z "${DRONE_COMMIT_AUTHOR_EMAIL}" ]]; then
-	export DRONE_COMMIT_AUTHOR_EMAIL=drone@localhost
+  export DRONE_COMMIT_AUTHOR_EMAIL=drone@localhost
 fi
 
 export GIT_AUTHOR_NAME=${DRONE_COMMIT_AUTHOR_NAME}
@@ -95,30 +95,30 @@ case ${DRONE_COMMIT_REF} in
 esac
 
 git_clone_retry(){
-	retries="${PLUGIN_RETRIES:-0}"
+  retries="${PLUGIN_RETRIES:-0}"
-	if [ -n "${retries##*[0-9]*}" ] || [ "${retries}" -lt 0 ]; then
+  if [ -n "${retries##*[0-9]*}" ] || [ "${retries}" -lt 0 ]; then
-		echo "PLUGIN_RETRIES defined but is not a number: ${retries}" >&2
+    echo "PLUGIN_RETRIES defined but is not a number: ${retries}" >&2
-		exit 1
+    exit 1
-	fi
+  fi
 
-	echo "Cloning with ${retries} retries"
+  echo "Cloning with ${retries} retries"
-	n=0
+  n=0
-	until [ "$n" -gt "${retries}" ]; do
+  until [ "$n" -gt "${retries}" ]; do
-		$1 && return
+    $1 && return
-		n=$((n+1))
+    n=$((n+1))
-	done
+  done
 
-	exit 1
+  exit 1
 }
 
 case ${CLONE_TYPE} in
 pull_request)
-	git_clone_retry clone-pull-request
+  git_clone_retry clone-pull-request
-	;;
+  ;;
 tag)
-	git_clone_retry clone-tag
+  git_clone_retry clone-tag
-	;;
+  ;;
 *)
-	git_clone_retry clone-commit
+  git_clone_retry clone-commit
-	;;
+  ;;
 esac

rootfs/usr/local/bin/clone-commit

@@ -1,15 +1,18 @@
 #!/bin/bash
 
+set -e
 set -x
 
-FLAGS=""
+GIT_FETCH_ARGS=""
+GIT_CHECKOUT_ARGS=""
+
 if [[ -n "${PLUGIN_DEPTH}" ]]; then
-	FLAGS="--depth=${PLUGIN_DEPTH}"
+  GIT_FETCH_ARGS="${GIT_FETCH_ARGS} --depth=${PLUGIN_DEPTH}"
 fi
 
 if [ ! -d .git ]; then
-	git init
+  git init
-	git remote add origin "${DRONE_REMOTE_URL}"
+  git remote add origin "${DRONE_REMOTE_URL}"
 fi
 
 # the branch may be empty for certain event types,
@@ -18,28 +21,25 @@ fi
 # we intentially omit depth flags to avoid failed
 # clones due to lack of history.
 if [[ -z "${DRONE_COMMIT_BRANCH}" ]] && [[ -n "${DRONE_COMMIT_SHA}" ]]; then
-	set -e
+  GIT_CHECKOUT_ARGS="${GIT_CHECKOUT_ARGS} --quiet --force ${DRONE_COMMIT_SHA}"
-	set -x
+  GIT_FETCH_ARGS="${GIT_FETCH_ARGS} origin"
-	git fetch origin
-	git checkout --quiet --force "${DRONE_COMMIT_SHA}"
-	exit 0
 fi
 
 # the commit sha may be empty for builds that are
 # manually triggered in Harness CI Enterprise. If
 # the commit is empty we clone the branch.
 if [[ -n "${DRONE_COMMIT_BRANCH}" ]] && [[ -z "${DRONE_COMMIT_SHA}" ]]; then
-	set -e
+  GIT_CHECKOUT_ARGS="${GIT_CHECKOUT_ARGS} -b ${DRONE_COMMIT_BRANCH} refs/remotes/origin/${DRONE_COMMIT_BRANCH}"
-	set -x
+  GIT_FETCH_ARGS="${GIT_FETCH_ARGS} origin +refs/heads/${DRONE_COMMIT_BRANCH}:refs/remotes/origin/${DRONE_COMMIT_BRANCH}"
-	git fetch "${FLAGS}" origin "+refs/heads/${DRONE_COMMIT_BRANCH}:refs/remotes/origin/${DRONE_COMMIT_BRANCH}"
-	git checkout -b "${DRONE_COMMIT_BRANCH}" "refs/remotes/origin/${DRONE_COMMIT_BRANCH}"
-	exit 0
 fi
 
 # if the commit sha and branch name not empty, fetch the branch even if a
 # fast-forward is not possible. Checkout the specified commit sha which must be
 # part of the branch.
-set -e
+if [[ -n "${DRONE_COMMIT_BRANCH}" ]] && [[ -n "${DRONE_COMMIT_SHA}" ]]; then
-set -x
+  GIT_CHECKOUT_ARGS="${GIT_CHECKOUT_ARGS} -b ${DRONE_COMMIT_SHA} -b refs/remotes/origin/${DRONE_COMMIT_BRANCH}"
-git fetch "${FLAGS}" origin "+refs/heads/${DRONE_COMMIT_BRANCH}:refs/remotes/origin/${DRONE_COMMIT_BRANCH}"
+  GIT_FETCH_ARGS="${GIT_FETCH_ARGS} origin +refs/heads/${DRONE_COMMIT_BRANCH}:refs/remotes/origin/${DRONE_COMMIT_BRANCH}"
-git checkout "${DRONE_COMMIT_SHA}" -b "refs/remotes/origin/${DRONE_COMMIT_BRANCH}"
+fi
+
+git fetch ${GIT_FETCH_ARGS}
+git checkout ${GIT_CHECKOUT_ARGS}

rootfs/usr/local/bin/clone-pull-request

@@ -2,18 +2,18 @@
 
 FLAGS=""
 if [[ -n "${PLUGIN_DEPTH}" ]]; then
-	FLAGS="--depth=${PLUGIN_DEPTH}"
+  FLAGS="--depth=${PLUGIN_DEPTH}"
 fi
 
 if [ ! -d .git ]; then
-	git init
+  git init
-	git remote add origin "${DRONE_REMOTE_URL}"
+  git remote add origin "${DRONE_REMOTE_URL}"
 fi
 
 set -e
 set -x
 
-git fetch "${FLAGS}" origin "+refs/heads/${DRONE_COMMIT_BRANCH}:"
+git fetch ${FLAGS} origin "+refs/heads/${DRONE_COMMIT_BRANCH}:"
 git checkout "${DRONE_COMMIT_BRANCH}"
 
 git fetch origin "${DRONE_COMMIT_REF}:"

rootfs/usr/local/bin/clone-tag

@@ -2,16 +2,16 @@
 
 FLAGS=""
 if [[ -n "${PLUGIN_DEPTH}" ]]; then
-	FLAGS="--depth=${PLUGIN_DEPTH}"
+  FLAGS="--depth=${PLUGIN_DEPTH}"
 fi
 
 if [ ! -d .git ]; then
-	git init
+  git init
-	git remote add origin "${DRONE_REMOTE_URL}"
+  git remote add origin "${DRONE_REMOTE_URL}"
 fi
 
 set -e
 set -x
 
-git fetch "${FLAGS}" origin "+refs/tags/${DRONE_TAG}:"
+git fetch ${FLAGS} origin "+refs/tags/${DRONE_TAG}:"
 git checkout --quiet --force FETCH_HEAD